From 34897eebd22c3de968b64f09bb4a371d96cb0b89 Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Mon, 3 Feb 2020 03:02:01 +0000
Subject: CTAN sync 202002030302

---
 .../main/java/org/islandoftex/texplate/Main.java   |  36 --
 .../exceptions/InvalidKeySetException.java         |  37 --
 .../exceptions/InvalidTemplateException.java       |  34 --
 .../exceptions/TemplateMergingException.java       |  37 --
 .../islandoftex/texplate/model/Configuration.java  | 150 --------
 .../org/islandoftex/texplate/model/Template.java   | 252 -------------
 .../texplate/model/TemplateProcessing.java         | 391 ---------------------
 .../texplate/model/handlers/BooleanHandler.java    |  26 --
 .../texplate/model/handlers/CSVListHandler.java    |  30 --
 .../texplate/model/handlers/Handler.java           |  20 --
 .../islandoftex/texplate/util/HandlerUtils.java    |  31 --
 .../islandoftex/texplate/util/MergingUtils.java    | 186 ----------
 .../islandoftex/texplate/util/MessageUtils.java    |  84 -----
 .../org/islandoftex/texplate/util/PathUtils.java   | 129 -------
 .../islandoftex/texplate/util/ValidatorUtils.java  |  75 ----
 .../main/kotlin/org/islandoftex/texplate/Main.kt   |  23 ++
 .../org/islandoftex/texplate/TemplateProcessing.kt | 228 ++++++++++++
 .../texplate/exceptions/InvalidKeySetException.kt  |  30 ++
 .../exceptions/InvalidTemplateException.kt         |  27 ++
 .../exceptions/TemplateMergingException.kt         |  30 ++
 .../islandoftex/texplate/model/Configuration.kt    |  67 ++++
 .../org/islandoftex/texplate/model/Template.kt     |  90 +++++
 .../texplate/model/handlers/BooleanHandler.kt      |  20 ++
 .../texplate/model/handlers/CSVListHandler.kt      |  22 ++
 .../islandoftex/texplate/model/handlers/Handler.kt |  18 +
 .../org/islandoftex/texplate/util/HandlerUtils.kt  |  25 ++
 .../org/islandoftex/texplate/util/MergingUtils.kt  | 126 +++++++
 .../org/islandoftex/texplate/util/MessageUtils.kt  |  72 ++++
 .../org/islandoftex/texplate/util/PathUtils.kt     |  69 ++++
 .../islandoftex/texplate/util/ValidatorUtils.kt    |  54 +++
 .../texplate/templates/texplate-article.toml       |  54 +++
 .../texplate/templates/texplate-standalone.toml    |  45 +++
 32 files changed, 1000 insertions(+), 1518 deletions(-)
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/Main.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidKeySetException.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidTemplateException.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/exceptions/TemplateMergingException.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/Configuration.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/Template.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/TemplateProcessing.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/BooleanHandler.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/CSVListHandler.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/Handler.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/util/HandlerUtils.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/util/MergingUtils.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/util/MessageUtils.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/util/PathUtils.java
 delete mode 100644 support/texplate/source/main/java/org/islandoftex/texplate/util/ValidatorUtils.java
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/Main.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/TemplateProcessing.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidKeySetException.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidTemplateException.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/TemplateMergingException.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Configuration.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Template.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/BooleanHandler.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/CSVListHandler.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/Handler.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/util/HandlerUtils.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MergingUtils.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MessageUtils.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/util/PathUtils.kt
 create mode 100644 support/texplate/source/main/kotlin/org/islandoftex/texplate/util/ValidatorUtils.kt
 create mode 100644 support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-article.toml
 create mode 100644 support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-standalone.toml

(limited to 'support/texplate/source/main')

diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/Main.java b/support/texplate/source/main/java/org/islandoftex/texplate/Main.java
deleted file mode 100644
index 5c27aab23c..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/Main.java
+++ /dev/null
@@ -1,36 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate;
-
-import org.islandoftex.texplate.model.TemplateProcessing;
-import org.islandoftex.texplate.util.MessageUtils;
-import picocli.CommandLine;
-
-/**
- * The main class. The application logic is enclosed in the template processing
- * class.
- *
- * @version 1.0
- * @since 1.0
- */
-public class Main {
-
-    /**
-     * Main method. Note that it simply passes the control to the template
-     * processing class.
-     *
-     * @param args The command line arguments.
-     */
-    public static void main(String[] args) {
-
-        // draw the application logo in the
-        // terminal (please have fixed fonts
-        // in your terminal for a nice display)
-        MessageUtils.drawLogo();
-
-        // calls the command line processing method
-        // and performs the actual application logic
-        int exitCode = new CommandLine(new TemplateProcessing()).execute(args);
-        System.exit(exitCode);
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidKeySetException.java b/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidKeySetException.java
deleted file mode 100644
index 3d113a2599..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidKeySetException.java
+++ /dev/null
@@ -1,37 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.exceptions;
-
-/**
- * Handles exceptions when the context map contains invalid keys.
- *
- * @version 1.0
- * @since 1.0
- */
-public class InvalidKeySetException extends Exception {
-
-    /**
-     * Constructor.
-     */
-    public InvalidKeySetException() {
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     */
-    public InvalidKeySetException(String message) {
-        super(message);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     * @param cause The throwable cause to be forwarded.
-     */
-    public InvalidKeySetException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidTemplateException.java b/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidTemplateException.java
deleted file mode 100644
index 73c8276998..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/InvalidTemplateException.java
+++ /dev/null
@@ -1,34 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.exceptions;
-
-/**
- * Handles exceptions when the template is somehow invalid.
- *
- * @version 1.0
- * @since 1.0
- */
-public class InvalidTemplateException extends Exception {
-
-    public InvalidTemplateException() {
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     */
-    public InvalidTemplateException(String message) {
-        super(message);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     * @param cause The throwable cause to be forwarded.
-     */
-    public InvalidTemplateException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/TemplateMergingException.java b/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/TemplateMergingException.java
deleted file mode 100644
index 86dd99af00..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/exceptions/TemplateMergingException.java
+++ /dev/null
@@ -1,37 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.exceptions;
-
-/**
- * Handles exceptions when the template merging failed.
- *
- * @version 1.0
- * @since 1.0
- */
-public class TemplateMergingException extends Exception {
-
-    /**
-     * Constructor.
-     */
-    public TemplateMergingException() {
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     */
-    public TemplateMergingException(String message) {
-        super(message);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message Message to be attached to the exception.
-     * @param cause The throwable cause to be forwarded.
-     */
-    public TemplateMergingException(String message, Throwable cause) {
-        super(message, cause);
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/Configuration.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/Configuration.java
deleted file mode 100644
index a0f8e83702..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/Configuration.java
+++ /dev/null
@@ -1,150 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model;
-
-import com.moandjiezana.toml.Toml;
-import io.vavr.control.Try;
-import org.islandoftex.texplate.exceptions.InvalidTemplateException;
-
-import java.nio.file.Path;
-import java.util.Map;
-
-/**
- * The configuration model.
- *
- * @version 1.0
- * @since 1.0
- */
-public class Configuration {
-
-    // template of the template
-    private String template;
-
-    // map of variables for the configuration
-    private Map<String, Object> map;
-
-    /**
-     * Constructor.
-     */
-    public Configuration() {
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param template The template.
-     * @param map      The map.
-     */
-    public Configuration(String template, Map<String, Object> map) {
-        this.template = template;
-        this.map = map;
-    }
-
-    /**
-     * Gets the template.
-     *
-     * @return The template.
-     */
-    public String getTemplate() {
-        return template;
-    }
-
-    /**
-     * Sets the template.
-     *
-     * @param template The template.
-     */
-    public void setTemplate(String template) {
-        this.template = template;
-    }
-
-    /**
-     * Gets the map.
-     *
-     * @return The map.
-     */
-    public Map<String, Object> getMap() {
-        return map;
-    }
-
-    /**
-     * Sets the map.
-     *
-     * @param map The map.
-     */
-    public void setMap(Map<String, Object> map) {
-        this.map = map;
-    }
-
-    /**
-     * Checks whether the configuration is valid.
-     *
-     * @return A boolean value indicating whether the configuration is valid.
-     */
-    private boolean isValid() {
-        return !(template == null || map == null);
-    }
-
-    /**
-     * Reads the configuration from path.
-     *
-     * @param path The path.
-     * @return Configuration.
-     * @throws InvalidTemplateException The configuration is invalid.
-     */
-    private static Configuration readFromPath(Path path)
-            throws InvalidTemplateException {
-
-        // the actual configuration
-        Configuration configuration;
-
-        // the default message
-        String message = "The provided configuration file looks invalid. "
-                + "Please make sure the configuration has a valid syntax and "
-                + "try again. ";
-
-        try {
-
-            // gets the configuration
-            configuration = new Toml().read(path.toFile()).
-                    to(Configuration.class);
-
-        } catch (Exception exception) {
-
-            // the configuration
-            // seems invalid
-            throw new InvalidTemplateException(message + "In this particular "
-                    + "scenario, there is a possibility that the configuration "
-                    + "file does not follow the TOML specification. Please "
-                    + "refer to the user manual for further details and a "
-                    + "possible fix. Also, the raised exception message can "
-                    + "give us some hints on what happened.", exception);
-        }
-
-        // checks whether the
-        // configuration is valid
-        if (configuration.isValid()) {
-
-            // returns the configuration
-            return configuration;
-        } else {
-
-            // the configuration
-            // is invalid
-            throw new InvalidTemplateException(message + "Specifically, some "
-                    + "mandatory fields are either absent or empty in the "
-                    + "configuration file. It is quite important to strictly "
-                    + "follow the configuration specification, as detailed in "
-                    + "the user manual, or the tool will not work at all.");
-        }
-    }
-
-    /**
-     * Gets the configuration from a path.
-     *
-     * @param path The path.
-     * @return The configuration.
-     */
-    public static Try<Configuration> of(Path path) {
-        return Try.of(() -> readFromPath(path));
-    }
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/Template.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/Template.java
deleted file mode 100644
index ca92e04658..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/Template.java
+++ /dev/null
@@ -1,252 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model;
-
-import com.moandjiezana.toml.Toml;
-import io.vavr.control.Try;
-import org.islandoftex.texplate.exceptions.InvalidTemplateException;
-
-import java.nio.file.Path;
-import java.util.List;
-import java.util.Map;
-
-/**
- * The template model.
- *
- * @version 1.0
- * @since 1.0
- */
-public class Template {
-
-    // name of the template
-    private String name;
-
-    // description of the template
-    private String description;
-
-    // list of authors who wrote the template
-    private List<String> authors;
-
-    // list of requirements for the template
-    private List<String> requirements;
-
-    // the document to be configured
-    private String document;
-
-    // the map handlers
-    private Map<String, String> handlers;
-
-    /**
-     * Constructor.
-     */
-    public Template() {
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param name         Name of the template.
-     * @param description  Description of the template.
-     * @param authors      List of authors of the template.
-     * @param requirements List of requirements for the template.
-     * @param document     The document to be configured.
-     * @param handlers     The optional map handlers.
-     */
-    public Template(String name, String description, List<String> authors,
-                    List<String> requirements, String document,
-                    Map<String, String> handlers) {
-        this.name = name;
-        this.description = description;
-        this.authors = authors;
-        this.requirements = requirements;
-        this.document = document;
-        this.handlers = handlers;
-    }
-
-    /**
-     * Gets the template name.
-     *
-     * @return The template name.
-     */
-    public String getName() {
-        return name;
-    }
-
-    /**
-     * Sets the template name.
-     *
-     * @param name The template name.
-     */
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    /**
-     * Gets the template description.
-     *
-     * @return The template description.
-     */
-    public String getDescription() {
-        return description;
-    }
-
-    /**
-     * Sets the template description.
-     *
-     * @param description The template description.
-     */
-    public void setDescription(String description) {
-        this.description = description;
-    }
-
-    /**
-     * Gets the template authors.
-     *
-     * @return The template authors.
-     */
-    public List<String> getAuthors() {
-        return authors;
-    }
-
-    /**
-     * Sets the template authors.
-     *
-     * @param authors The template authors.
-     */
-    public void setAuthors(List<String> authors) {
-        this.authors = authors;
-    }
-
-    /**
-     * Gets the template requirements.
-     *
-     * @return The template requirements.
-     */
-    public List<String> getRequirements() {
-        return requirements;
-    }
-
-    /**
-     * Sets the template requirements.
-     *
-     * @param requirements The template requirements.
-     */
-    public void setRequirements(List<String> requirements) {
-        this.requirements = requirements;
-    }
-
-    /**
-     * Gets the template document.
-     *
-     * @return The template document.
-     */
-    public String getDocument() {
-        return document;
-    }
-
-    /**
-     * Sets the template document.
-     *
-     * @param document The template document.
-     */
-    public void setDocument(String document) {
-        this.document = document;
-    }
-
-    /**
-     * Gets the map handlers.
-     *
-     * @return The map handlers.
-     */
-    public Map<String, String> getHandlers() {
-        return handlers;
-    }
-
-    /**
-     * Sets the map handlers.
-     *
-     * @param handlers The map handlers.
-     */
-    public void setHandlers(Map<String, String> handlers) {
-        this.handlers = handlers;
-    }
-
-    /**
-     * Checks whether the template is valid.
-     *
-     * @return A boolean value indicating whether the template is valid.
-     */
-    private boolean isValid() {
-        return !((name == null) || (description == null)
-                || (authors == null) || (requirements == null)
-                || (document == null) || name.trim().isEmpty()
-                || description.trim().isEmpty() || authors.isEmpty()
-                || document.trim().isEmpty());
-    }
-
-    /**
-     * Reads the template from the provided path.
-     *
-     * @param path The path to the template file.
-     * @return The template object from the provided path.
-     * @throws InvalidTemplateException The template is invalid.
-     */
-    private static Template readFromPath(Path path)
-            throws InvalidTemplateException {
-
-        // the actual template
-        Template template;
-
-        // the exception message, in case the
-        // conversion fails or if there are
-        // missing elements from the template
-        String message = "The provided template file looks invalid. Please "
-                + "make sure the template has a valid syntax and try again. ";
-
-        try {
-
-            // reads the file and converts
-            // the TOML format into the object
-            template = new Toml().read(path.toFile()).to(Template.class);
-
-        } catch (Exception exception) {
-
-            // throws the new exception and
-            // attaches the original cause
-            throw new InvalidTemplateException(message + "In this particular "
-                    + "scenario, there is a possibility that the template "
-                    + "file does not follow the TOML specification. Please "
-                    + "refer to the user manual for further details and a "
-                    + "possible fix. Also, the raised exception message can "
-                    + "give us some hints on what happened.", exception);
-        }
-
-        // the conversion hasn't failed, but we need
-        // to check whether the template is valid
-        if (template.isValid()) {
-
-            // everything went fine, so
-            // simply return the template
-            return template;
-        } else {
-
-            // the template is invalid, so we
-            // need to throw an exception
-            throw new InvalidTemplateException(message + "Specifically, some "
-                    + "mandatory fields are either absent or empty in the "
-                    + "template file. It is quite important to strictly "
-                    + "follow the template specification, as detailed in the "
-                    + "user manual, or the tool will not work at all.");
-        }
-    }
-
-    /**
-     * Returns the template from the provided path.
-     *
-     * @param path The path in which the template is retrieved.
-     * @return The corresponding template, enclosed in a Try object.
-     */
-    public static Try<Template> of(Path path) {
-        return Try.of(() -> readFromPath(path));
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/TemplateProcessing.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/TemplateProcessing.java
deleted file mode 100644
index eccaf6c732..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/TemplateProcessing.java
+++ /dev/null
@@ -1,391 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model;
-
-import io.vavr.control.Either;
-import org.islandoftex.texplate.util.MergingUtils;
-import org.islandoftex.texplate.util.MessageUtils;
-import org.islandoftex.texplate.util.PathUtils;
-import org.islandoftex.texplate.util.ValidatorUtils;
-import picocli.CommandLine;
-import picocli.CommandLine.Option;
-
-import java.nio.file.Path;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.Callable;
-
-/**
- * The template processing class.
- *
- * @version 1.0
- * @since 1.0
- */
-@CommandLine.Command(
-        usageHelpWidth = 70,
-        name = "texplate"
-)
-public class TemplateProcessing implements Callable<Integer> {
-
-    // the file output, which will hold the
-    // result of the merging of both template
-    // and context data map from command line
-    @Option(
-            names = {"-o", "--output"},
-            description = "The output file in which the chosen "
-                    + "template will be effectively written. Make sure "
-                    + "the directory has the correct permissions for "
-                    + "writing the output file.",
-            required = true,
-            type = Path.class
-    )
-    private Path output;
-
-    // the template name
-    @Option(
-            names = {"-t", "--template"},
-            description = "The template and. The tool will "
-                    + "search both user and system locations and set the "
-                    + "template model accordingly, based on your specs."
-    )
-    private String template;
-
-    // the context data map that holds
-    // a set of key/value pairs to be
-    // merged with the template
-    @Option(
-            names = {"-m", "--map"},
-            description = "The contextual map that provides the "
-                    + "data to be merged in the template. This parameter "
-                    + "can be used multiple times. You can specify a map "
-                    + "entry with the key=value syntax (mind the entry "
-                    + "separator).",
-            arity = "1..*"
-    )
-    private Map<String, String> map;
-
-    @Option(
-            names = {"-c", "--config"},
-            description = "The configuration file in which the tool "
-                    + "can read template data, for automation purposes. Make "
-                    + "sure to follow the correct specification when writing "
-                    + "a configuration file.",
-            type = Path.class
-    )
-    private Path configuration;
-
-    /**
-     * The application logic, enclosed as a call method.
-     *
-     * @return An integer value denoting the exit status.
-     * @throws Exception An exception was raised in the application logic.
-     */
-    @Override
-    public Integer call() throws Exception {
-
-        // the exit status, originally
-        // set as a valid value
-        int exit = 0;
-
-        // configuration halt flag, indicating
-        // whether the tool has to end earlier
-        boolean halt = false;
-
-        Map<String, Object> cmap = new HashMap<>();
-
-        // ensure the context data map
-        // is at least instantiated
-        ensureMap();
-
-        // there is a configuration file
-        // found in the command line
-        if (has(configuration)) {
-
-            // print the configuration
-            // check line for status
-            MessageUtils.line("Checking configuration");
-
-            // try to read the configuration
-            // file into a proper object
-            Either<Throwable, Configuration> configChecking = Configuration.
-                    of(configuration).toEither();
-
-            // the configuration file
-            // seems to be valid, proceed
-            if (configChecking.isRight()) {
-
-                // print status line
-                MessageUtils.status(true);
-
-                // get the configuration file
-                Configuration config = configChecking.get();
-
-                // check if the configuration
-                // has a proper template
-                if (has(config.getTemplate())) {
-
-                    // if so, build the template if, and
-                    // only if, there's no one already
-                    // set through command line
-                    template = ensure(template, config.getTemplate());
-                }
-
-                // check if the configuration
-                // has a proper string/string map
-                if (has(config.getMap())) {
-
-                    // set the main configuration
-                    // map to be dealt later on
-                    cmap = config.getMap();
-                }
-
-                // print header about tidying
-                // up configuration variables
-                MessageUtils.line("Adjusting variables from file");
-                MessageUtils.status(true);
-                System.out.println();
-
-            } else {
-
-                // an error occurred, print it
-                // set exit code and halt
-                MessageUtils.status(false);
-                MessageUtils.error(configChecking.getLeft());
-                exit = -1;
-                halt = true;
-            }
-        } else {
-
-            // print header regarding
-            // no config file found
-            MessageUtils.line("Configuration file mode disabled");
-            MessageUtils.status(true);
-
-            // print a header regarding
-            // full command line mode
-            MessageUtils.line("Entering full command line mode");
-
-            // there's no configuration file, so we
-            // need to check whether there is not a
-            // pattern set in the command line
-            if (!has(template)) {
-
-                // print status
-                MessageUtils.status(false);
-
-                // print message
-                MessageUtils.error(new Exception("The template was not set "
-                        + "in the command line through the -t/--template "
-                        + "option. If not explicitly specified in a "
-                        + "configuration file, this option becomes mandatory, "
-                        + "so make sure to define it  either in the command "
-                        + "line or in a proper configuration file."));
-
-                exit = -1;
-                halt = true;
-
-            } else {
-
-                // print status
-                MessageUtils.status(true);
-                System.out.println();
-            }
-
-        }
-
-        // check whether we should
-        // halt prematurely
-        if (!halt) {
-
-            // initial message, preparing our
-            // hearts to the actual merging :)
-            System.out.println("Please, wait...");
-            System.out.println();
-
-            // now we need to obtain the actual
-            // template from a file stored either
-            // in the user home or in the system
-            MessageUtils.line("Obtaining reference");
-
-            // let us try to get the corresponding
-            // file from the template pattern
-            Either<Throwable, Path> fileChecking = PathUtils.
-                    getTemplatePath(template).toEither();
-
-            // the actual template file was
-            // found, so we can proceed to
-            // the next phase
-            if (fileChecking.isRight()) {
-
-                // updates the current
-                // status accordingly
-                MessageUtils.status(true);
-
-                // now it's time to compose the template
-                // object from its corresponding file
-                MessageUtils.line("Composing template");
-
-                // attempts to retrieve the template
-                // attributes from the referenced file
-                // to the actual template object
-                Either<Throwable, Template> templateComposition
-                        = Template.of(fileChecking.get()).toEither();
-
-                // the template composition was successful,
-                // so we can move on to the next phase
-                if (templateComposition.isRight()) {
-
-                    // updates the current
-                    // status accordingly
-                    MessageUtils.status(true);
-
-                    // once the template object is populated,
-                    // we need to verify if both template and
-                    // data map are not somehow conflicting
-                    MessageUtils.line("Validating data");
-                    Either<Throwable, Map<String, String>> dataValidation
-                            = ValidatorUtils.validate(templateComposition.get(),
-                            map).toEither();
-
-                    // the data validation was consistent,
-                    // so now the merging can be applied
-                    if (dataValidation.isRight()) {
-
-                        // updates the current
-                        // status accordingly
-                        MessageUtils.status(true);
-
-                        // now it's the final phase, in which
-                        // both template and data are merged
-                        MessageUtils.line("Merging template and data");
-
-                        // merge both template and context data
-                        // map
-                        Either<Throwable, Long> merging = MergingUtils.
-                                merge(templateComposition.get(),
-                                        dataValidation.get(),
-                                        output, cmap).toEither();
-
-                        // the merging was successful,
-                        // so now there's nothing else
-                        // to do, yay!
-                        if (merging.isRight()) {
-
-                            // updates the current
-                            // status accordingly
-                            MessageUtils.status(true);
-
-                            // print the final messge and
-                            // tell the user everything
-                            // went smooth!
-                            System.out.println();
-                            System.out.println("Done! Enjoy your template!");
-                            System.out.println("Written: "
-                                    + getSize(merging.get()));
-                        } else {
-
-                            // updates the current
-                            // status accordingly
-                            MessageUtils.status(false);
-
-                            // the merging failed, so the
-                            // exception is displayed and
-                            // the exit status is updated
-                            MessageUtils.error(merging.getLeft());
-                            exit = -1;
-                        }
-                    } else {
-
-                        // updates the current
-                        // status accordingly
-                        MessageUtils.status(false);
-
-                        // the data validation failed, so
-                        // the exception is displayed and
-                        // the exit status is updated
-                        MessageUtils.error(dataValidation.getLeft());
-                        exit = -1;
-                    }
-                } else {
-
-                    // updates the current
-                    // status accordingly
-                    MessageUtils.status(false);
-
-                    // the template composition failed,
-                    // so the exception is displayed and
-                    // the exit status is updated
-                    MessageUtils.error(templateComposition.getLeft());
-                    exit = -1;
-                }
-            } else {
-
-                // updates the current
-                // status accordingly
-                MessageUtils.status(false);
-
-                // the file checking failed, so
-                // the exception is displayed and
-                // the exit status is updated
-                MessageUtils.error(fileChecking.getLeft());
-                exit = -1;
-            }
-        }
-
-        // the exit status is returned,
-        // denoting whether the application
-        // was able to merge both template
-        // and data accordingly
-        return exit;
-    }
-
-    /**
-     * Ensures the data map is never pointed to a null reference.
-     */
-    private void ensureMap() {
-
-        // if the map is null, simply
-        // create a new instance
-        if (!has(map)) {
-            map = new HashMap<>();
-        }
-    }
-
-    /**
-     * Gets the file size in a human readable format.
-     *
-     * @param bytes The file size, in bytes.
-     * @return The file size in a human readable format.
-     */
-    private String getSize(long bytes) {
-        if (bytes < 1024) {
-            return bytes + " B";
-        } else {
-            int exponent = (int) (Math.log(bytes) / Math.log(1024));
-            return String.format("%.1f %cB", bytes / Math.pow(1024, exponent),
-                    "KMGTPE".charAt(exponent - 1));
-        }
-    }
-
-    /**
-     * Ensures the first parameter is not null, or sets it to the second one.
-     *
-     * @param <T>    The type.
-     * @param first  First parameter.
-     * @param second Second parameter.
-     * @return Either the first or the second one.
-     */
-    private <T> T ensure(T first, T second) {
-        return !has(first) ? second : first;
-    }
-
-    /**
-     * Checks whether the object exists.
-     *
-     * @param object The objects.
-     * @return Boolean value indicating whether the object exists.
-     */
-    private boolean has(Object object) {
-        return object != null;
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/BooleanHandler.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/BooleanHandler.java
deleted file mode 100644
index 461b9fd170..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/BooleanHandler.java
+++ /dev/null
@@ -1,26 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model.handlers;
-
-import java.util.Arrays;
-
-/**
- * Implements a boolean handler.
- *
- * @version 1.0
- * @since 1.0
- */
-public class BooleanHandler implements Handler {
-
-    /**
-     * Applies the conversion to the string.
-     *
-     * @param string The string.
-     * @return A list.
-     */
-    @Override
-    public Object apply(String string) {
-        return Arrays.asList("true", "1", "yes")
-                .contains(string.toLowerCase());
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/CSVListHandler.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/CSVListHandler.java
deleted file mode 100644
index 4b3d0c2e69..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/CSVListHandler.java
+++ /dev/null
@@ -1,30 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model.handlers;
-
-import java.util.Arrays;
-import java.util.stream.Collectors;
-
-/**
- * Implements a CSV list handler.
- *
- * @version 1.0
- * @since 1.0
- */
-public class CSVListHandler implements Handler {
-
-    /**
-     * Applies the conversion to the string.
-     *
-     * @param string The string.
-     * @return A list.
-     */
-    @Override
-    public Object apply(String string) {
-        return Arrays.stream(string.split(",(?=(?:[^\"]*\""
-                + "[^\"]*\")*[^\"]*$)"))
-                .map(String::trim)
-                .filter(s -> !s.isEmpty())
-                .collect(Collectors.toList());
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/Handler.java b/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/Handler.java
deleted file mode 100644
index 721224a978..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/model/handlers/Handler.java
+++ /dev/null
@@ -1,20 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.model.handlers;
-
-/**
- * Interface for handlers.
- *
- * @version 1.0
- * @since 1.0
- */
-public interface Handler {
-
-    /**
-     * Apply the handler in the string.
-     *
-     * @param string The string.
-     * @return The resulting object.
-     */
-    Object apply(String string);
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/util/HandlerUtils.java b/support/texplate/source/main/java/org/islandoftex/texplate/util/HandlerUtils.java
deleted file mode 100644
index 7ab01f7328..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/util/HandlerUtils.java
+++ /dev/null
@@ -1,31 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.util;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import org.islandoftex.texplate.model.handlers.BooleanHandler;
-import org.islandoftex.texplate.model.handlers.CSVListHandler;
-import org.islandoftex.texplate.model.handlers.Handler;
-
-/**
- * Provides the map of handlers.
- *
- * @version 1.0
- * @since 1.0
- */
-public class HandlerUtils {
-
-    /**
-     * Gets the map of handlers.
-     *
-     * @return Map of handlers.
-     */
-    public static Map<String, Handler> getHandlers() {
-        Map<String, Handler> handlers = new HashMap<>();
-        handlers.put("to-csv-list", new CSVListHandler());
-        handlers.put("to-boolean", new BooleanHandler());
-        return handlers;
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/util/MergingUtils.java b/support/texplate/source/main/java/org/islandoftex/texplate/util/MergingUtils.java
deleted file mode 100644
index d7ffbddc4d..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/util/MergingUtils.java
+++ /dev/null
@@ -1,186 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.util;
-
-import io.vavr.control.Try;
-import org.apache.velocity.VelocityContext;
-import org.apache.velocity.exception.MethodInvocationException;
-import org.apache.velocity.exception.ParseErrorException;
-import org.apache.velocity.exception.ResourceNotFoundException;
-import org.apache.velocity.exception.TemplateInitException;
-import org.apache.velocity.runtime.RuntimeConstants;
-import org.apache.velocity.runtime.RuntimeServices;
-import org.apache.velocity.runtime.RuntimeSingleton;
-import org.apache.velocity.runtime.parser.ParseException;
-import org.islandoftex.texplate.exceptions.TemplateMergingException;
-import org.islandoftex.texplate.model.Template;
-import org.islandoftex.texplate.model.handlers.Handler;
-import org.slf4j.helpers.NOPLoggerFactory;
-
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.StringReader;
-import java.io.Writer;
-import java.nio.file.Path;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Merging utilities.
- *
- * @version 1.0
- * @since 1.0
- */
-public class MergingUtils {
-
-    /**
-     * Merges both template and data.
-     *
-     * @param template The template object.
-     * @param map      The data map.
-     * @param output   The output path.
-     * @param cmap     The configuration map.
-     * @return The length of the generated output.
-     * @throws TemplateMergingException The merging failed.
-     */
-    private static long mergeTemplate(Template template,
-                                      Map<String, String> map, Path output,
-                                      Map<String, Object> cmap)
-            throws TemplateMergingException {
-
-        // create the context map
-        Map<String, Object> context = handle(template, map, cmap);
-
-        // create a file writer for
-        // the output reference
-        try (Writer writer = new FileWriter(output.toFile())) {
-
-            // the document is actually read
-            // into a string reader
-            StringReader reader = new StringReader(template.getDocument());
-
-            // load both runtime services and
-            // the template model from Velocity
-            RuntimeServices services = RuntimeSingleton.getRuntimeServices();
-            services.addProperty(RuntimeConstants.RUNTIME_LOG_INSTANCE,
-                    new NOPLoggerFactory().getLogger(""));
-            org.apache.velocity.Template reference
-                    = new org.apache.velocity.Template();
-
-            // set both runtime services
-            // and document data into the
-            // template document
-            reference.setRuntimeServices(services);
-            reference.setData(services.parse(reader, reference));
-            reference.initDocument();
-
-            // create the context based on
-            // the data map previously set
-            VelocityContext entries = new VelocityContext(context);
-
-            // merge both template and data
-            // into the file writer
-            reference.merge(entries, writer);
-
-        } catch (IOException | MethodInvocationException
-                | ParseErrorException | ParseException
-                | ResourceNotFoundException
-                | TemplateInitException exception) {
-
-            // an exception has happened, so a
-            // new exception is thrown, attaching
-            // the original throwable cause 
-            throw new TemplateMergingException("An error occurred while "
-                    + "trying to merge the template reference with the "
-                    + "provided data. Make sure the template is correct "
-                    + "and try again. The raised exception might give us "
-                    + "some hints on what exactly happened. Typically, "
-                    + "make sure the template strictly follows the "
-                    + "Velocity 2.0 language syntax.", exception);
-        }
-
-        // simply return the length of
-        // the generated output file
-        return output.toFile().length();
-    }
-
-    /**
-     * Merges template and data.
-     *
-     * @param template The template model.
-     * @param map      The data map.
-     * @param output   The path reference.
-     * @param cmap     The configuration map.
-     * @return The length of the generated output, enclosed as a Try object.
-     */
-    public static Try<Long> merge(Template template, Map<String, String> map,
-                                  Path output, Map<String, Object> cmap) {
-        return Try.of(() -> mergeTemplate(template, map, output, cmap));
-    }
-
-    /**
-     * Handles the context map.
-     *
-     * @param template The template model.
-     * @param map      The context map.
-     * @return The new context map.
-     */
-    private static Map<String, Object> handle(Template template,
-                                              Map<String, String> map,
-                                              Map<String, Object> cmap) {
-
-        // no handlers found
-        if (template.getHandlers() == null) {
-
-            // create a new map from the
-            // command line map and put the
-            // values from the configuration
-            // file, if absent
-            Map<String, Object> result = new HashMap<>(map);
-            cmap.forEach(result::putIfAbsent);
-            return result;
-
-        } else {
-
-            // get default handlers and
-            // set the resulting map
-            Map<String, Handler> handlers = HandlerUtils.getHandlers();
-            Map<String, Object> result = new HashMap<>();
-
-            // check each key from the map
-            map.forEach((String key, String value) -> {
-
-                // there is a handler for
-                // the current key
-                if (template.getHandlers().containsKey(key)) {
-
-                    // the handler seems valid
-                    if (handlers.containsKey(template.getHandlers().get(key))) {
-
-                        // apply the handler and
-                        // store the value in the map
-                        result.put(key, handlers.get(template.
-                                getHandlers().get(key)).apply(value));
-                    } else {
-
-                        // simply store the value
-                        result.put(key, value);
-                        // TODO: should we warn about an invalid handler?
-                    }
-                } else {
-
-                    // simply store the value
-                    result.put(key, value);
-                }
-            });
-
-            // put remaining values from
-            // the configuration file, if
-            // absent
-            cmap.forEach(result::putIfAbsent);
-
-            // return the map
-            return result;
-        }
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/util/MessageUtils.java b/support/texplate/source/main/java/org/islandoftex/texplate/util/MessageUtils.java
deleted file mode 100644
index 7649a60e82..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/util/MessageUtils.java
+++ /dev/null
@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.util;
-
-import org.apache.commons.text.TextStringBuilder;
-import org.apache.commons.text.WordUtils;
-
-import java.time.LocalDate;
-
-/**
- * Message helper methods.
- *
- * @version 1.0
- * @since 1.0
- */
-public class MessageUtils {
-
-    // the message width
-    private static final int WIDTH = 60;
-
-    // the application version
-    private static final String VERSION = "1.0.1";
-
-    /**
-     * Prints a line in the terminal, without a line break.
-     *
-     * @param message The message to be printed.
-     */
-    public static void line(String message) {
-        System.out.print(new TextStringBuilder()
-                .appendFixedWidthPadRight(message.concat(" "), WIDTH - 9, '.')
-                .append(" ")
-                .toString()
-        );
-    }
-
-    /**
-     * Prints the status in the terminal.
-     *
-     * @param result The boolean value.
-     */
-    public static void status(boolean result) {
-        System.out.println(result ? "[ DONE ]" : "[FAILED]");
-    }
-
-    /**
-     * Prints the error in the terminal.
-     *
-     * @param throwable The throwable reference.
-     */
-    public static void error(Throwable throwable) {
-        System.out.println(
-                new TextStringBuilder("\n")
-                        .appendFixedWidthPadRight("HOUSTON, WE'VE GOT"
-                                + " A PROBLEM ", WIDTH, '-')
-                        .append("\n")
-                        .appendln(WordUtils.wrap(throwable.getMessage(), WIDTH))
-                        .appendFixedWidthPadLeft("", WIDTH, '-')
-                        .append("\n")
-                        .toString());
-    }
-
-    /**
-     * Prints the application logo in the terminal.
-     */
-    public static void drawLogo() {
-        System.out.println(
-            " ______         __   __          ___             __             \n" +
-                "/\\__  _\\       /\\ \\ /\\ \\        /\\_ \\           /\\ \\__          \n" +
-                "\\/_/\\ \\/    __ \\ `\\`\\/'/'  _____\\//\\ \\      __  \\ \\ ,_\\    __   \n" +
-                "   \\ \\ \\  /'__`\\`\\/ > <   /\\ '__`\\\\ \\ \\   /'__`\\ \\ \\ \\/  /'__`\\ \n" +
-                "    \\ \\ \\/\\  __/   \\/'/\\`\\\\ \\ \\L\\ \\\\_\\ \\_/\\ \\L\\.\\_\\ \\ \\_/\\  __/ \n" +
-                "     \\ \\_\\ \\____\\  /\\_\\\\ \\_\\ \\ ,__//\\____\\ \\__/.\\_\\\\ \\__\\ \\____\\\n" +
-                "      \\/_/\\/____/  \\/_/ \\/_/\\ \\ \\/ \\/____/\\/__/\\/_/ \\/__/\\/____/\n" +
-                "                             \\ \\_\\                              \n" +
-                "                              \\/_/                              \n"
-        );
-        System.out.println(
-            "TeXplate " + VERSION + ", a document structure creation tool\n" +
-                "Copyright (c) " + LocalDate.now().getYear() + ", Island of TeX\n" +
-                "All rights reserved.\n"
-        );
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/util/PathUtils.java b/support/texplate/source/main/java/org/islandoftex/texplate/util/PathUtils.java
deleted file mode 100644
index fa242c4980..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/util/PathUtils.java
+++ /dev/null
@@ -1,129 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.util;
-
-import io.vavr.control.Try;
-import org.islandoftex.texplate.Main;
-
-import java.io.FileNotFoundException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-/**
- * Helper methods for path handling.
- *
- * @version 1.0
- * @since 1.0
- */
-public class PathUtils {
-
-    // the templates folder
-    private static final String TEMPLATES_FOLDER = "templates";
-
-    // the user application folder
-    private static final String USER_APPLICATION_FOLDER = ".texplate";
-
-    /**
-     * Gets the application path.
-     *
-     * @return The application path.
-     */
-    private static Path getApplicationPath() {
-        return Try.of(() -> Paths.get(Main.class.getProtectionDomain().
-                getCodeSource().getLocation().toURI().getPath()).resolve("..").
-                normalize()).getOrElse(Paths.get("."));
-    }
-
-    /**
-     * Gets the default template path.
-     *
-     * @return The default template path.
-     */
-    private static Path getDefaultTemplatePath() {
-        return getApplicationPath().resolve(TEMPLATES_FOLDER);
-    }
-
-    /**
-     * Gets the user template path.
-     *
-     * @return The user template path.
-     */
-    private static Path getUserTemplatePath() {
-        return Try.of(() -> Paths.get(System.getProperty("user.home"),
-                USER_APPLICATION_FOLDER, TEMPLATES_FOLDER)).
-                getOrElse(Paths.get("."));
-    }
-
-    /**
-     * Searchs all paths looking for the provided template.
-     *
-     * @param name The name to be associated to a template file.
-     * @return The corresponding template file.
-     * @throws FileNotFoundException The template file could not be found.
-     */
-    private static Path searchTemplatePath(String name)
-            throws FileNotFoundException {
-        // the file has to be a TOML format,
-        // so we add the extension
-        name = name.concat(".toml");
-
-        // the first reference is based on the
-        // user template path resolved with the
-        // file name
-        Path reference = getUserTemplatePath().resolve(name);
-
-        // if the file actually exists,
-        // the search is done!
-        if (Files.exists(reference)) {
-            // return the template
-            // file reference
-            return reference;
-
-        } else {
-            // the reference was not found in the
-            // user location, so let us try the
-            // system counterpart
-            reference = getDefaultTemplatePath().resolve(name);
-
-            // if the file actually exists,
-            // the search is done!
-            if (Files.exists(reference)) {
-                // return the template
-                // file reference
-                return reference;
-
-            } else {
-                // in the system path, look for an `texplate` prefixed
-                // version as well
-                reference = getDefaultTemplatePath().resolve("texplate-" + name);
-
-                if (Files.exists(reference)) {
-                    // return the template
-                    // file reference
-                    return reference;
-                } else {
-                    // the file reference could not be
-                    // found, so an exception is thrown
-                    throw new FileNotFoundException("I am sorry, but the template "
-                            + "file '" + name + "' could not be found in the "
-                            + "default template locations (system and user). Make "
-                            + "sure the reference is correct and try again. For "
-                            + "reference, these are the paths I searched: '"
-                            + getUserTemplatePath() + "' and '"
-                            + getDefaultTemplatePath() + "' (in this order).");
-                }
-            }
-        }
-    }
-
-    /**
-     * Gets the template path based on the provided template name.
-     *
-     * @param name The template name.
-     * @return The template path, enclosed in a Try object.
-     */
-    public static Try<Path> getTemplatePath(String name) {
-        return Try.of(() -> searchTemplatePath(name));
-    }
-
-}
diff --git a/support/texplate/source/main/java/org/islandoftex/texplate/util/ValidatorUtils.java b/support/texplate/source/main/java/org/islandoftex/texplate/util/ValidatorUtils.java
deleted file mode 100644
index b400731242..0000000000
--- a/support/texplate/source/main/java/org/islandoftex/texplate/util/ValidatorUtils.java
+++ /dev/null
@@ -1,75 +0,0 @@
-// SPDX-License-Identifier: BSD-3-Clause
-package org.islandoftex.texplate.util;
-
-import io.vavr.control.Try;
-import org.islandoftex.texplate.exceptions.InvalidKeySetException;
-import org.islandoftex.texplate.model.Template;
-
-import java.util.Map;
-
-/**
- * Helper methods for validation.
- *
- * @version 1.0
- * @since 1.0
- */
-public class ValidatorUtils {
-
-    /**
-     * Validates the data map based on the template requirements.
-     *
-     * @param template The template.
-     * @param map      The data map.
-     * @return A boolean value indicating whether the data map is valid.
-     */
-    private static boolean validateRequirements(Template template,
-                                                Map<String, String> map) {
-        return template.getRequirements().isEmpty() ||
-                template.getRequirements().containsAll(map.keySet());
-    }
-
-    /**
-     * Validates the template pattern and the data map and throws an exception
-     * in case of failure.
-     *
-     * @param template The template.
-     * @param map      The data map.
-     * @return The data map.
-     * @throws InvalidKeySetException There are invalid keys in the map.
-     */
-    private static Map<String, String> checkValidation(Template template,
-                                                       Map<String, String> map)
-            throws InvalidKeySetException {
-
-        // for starters, we try to validate
-        // the template requirements
-        if (validateRequirements(template, map)) {
-
-            // everything is validated, so
-            // we simply return the map
-            return map;
-
-        } else {
-
-            // the requirements were missing,
-            // so an exception is thrown
-            throw new InvalidKeySetException("The provided map does not "
-                    + "contain all the keys required by the chosen "
-                    + "template. Make sure to define such keys and try "
-                    + "again. Check the user manual for further details.");
-        }
-    }
-
-    /**
-     * Validates the template pattern and the data map.
-     *
-     * @param template The template.
-     * @param map      The data map.
-     * @return The data map, enclosed in a Try object.
-     */
-    public static Try<Map<String, String>> validate(Template template,
-                                                    Map<String, String> map) {
-        return Try.of(() -> checkValidation(template, map));
-    }
-
-}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/Main.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/Main.kt
new file mode 100644
index 0000000000..73de15f8c3
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/Main.kt
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate
+
+import kotlin.system.exitProcess
+import org.islandoftex.texplate.util.MessageUtils
+import picocli.CommandLine
+
+/**
+ * Main method. Note that it simply passes the control to the template
+ * processing class.
+ *
+ * @param args The command line arguments.
+ */
+fun main(args: Array<String>) {
+    // draw the application logo in the terminal (please have fixed fonts
+    // in your terminal for a nice display)
+    MessageUtils.drawLogo()
+    // calls the command line processing method and performs the actual
+    // application logic
+    @Suppress("SpreadOperator")
+    val exitCode = CommandLine(TemplateProcessing()).execute(*args)
+    exitProcess(exitCode)
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/TemplateProcessing.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/TemplateProcessing.kt
new file mode 100644
index 0000000000..659a0df631
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/TemplateProcessing.kt
@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate
+
+import java.nio.file.Path
+import java.util.concurrent.Callable
+import kotlin.math.ln
+import kotlin.math.pow
+import org.islandoftex.texplate.exceptions.InvalidTemplateException
+import org.islandoftex.texplate.model.Configuration
+import org.islandoftex.texplate.model.Template
+import org.islandoftex.texplate.util.MergingUtils.mergeTemplate
+import org.islandoftex.texplate.util.MessageUtils.error
+import org.islandoftex.texplate.util.MessageUtils.line
+import org.islandoftex.texplate.util.MessageUtils.status
+import org.islandoftex.texplate.util.PathUtils.getTemplatePath
+import org.islandoftex.texplate.util.ValidatorUtils.validate
+import picocli.CommandLine
+
+/**
+ * The template processing class.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+@CommandLine.Command(usageHelpWidth = 70, name = "texplate")
+class TemplateProcessing : Callable<Int> {
+    // the file output, which will hold the result of the merging of both template
+    // and context data map from command line
+    @CommandLine.Option(
+            names = ["-o", "--output"],
+            description = ["The output file in which the chosen " +
+                    "template will be effectively written. Make sure " +
+                    "the directory has the correct permissions for " +
+                    "writing the output file."],
+            required = true,
+            type = [Path::class]
+    )
+    private val output: Path? = null
+
+    // the template name
+    @CommandLine.Option(
+            names = ["-t", "--template"],
+            description = ["The name of the template. The tool will " +
+                    "search both user and system locations and set the " +
+                    "template model accordingly, based on your specs."]
+    )
+    private var template: String? = null
+
+    // the context data map that holds a set of key/value pairs to be merged
+    // with the template
+    @CommandLine.Option(
+            names = ["-m", "--map"],
+            description = ["The contextual map that provides the " +
+                    "data to be merged in the template. This parameter " +
+                    "can be used multiple times. You can specify a map " +
+                    "entry with the key=value syntax (mind the entry " +
+                    "separator)."],
+            arity = "1..*"
+    )
+    private var map: Map<String, String>? = null
+
+    @CommandLine.Option(
+            names = ["-c", "--config"],
+            description = ["The configuration file in which the tool " +
+                    "can read template data, for automation purposes. Make " +
+                    "sure to follow the correct specification when writing " +
+                    "a configuration file."],
+            type = [Path::class]
+    )
+    private val configuration: Path? = null
+
+    /**
+     * The application logic, enclosed as a call method.
+     *
+     * @return An integer value denoting the exit status.
+     * @throws Exception An exception was raised in the application logic.
+     */
+    @Throws(Exception::class)
+    override fun call(): Int {
+        // the exit status, originally set as a valid value
+        var exit = 0
+        // configuration halt flag, indicating whether the tool has to end earlier
+        var halt = false
+        var cmap: Map<String, Any> = mutableMapOf()
+        // ensure the context data map is at least instantiated
+        ensureMap()
+        // there is a configuration file found in the command line
+        if (has(configuration)) {
+            line("Checking configuration")
+            try {
+                val config = Configuration.fromPath(configuration!!)
+                // the configuration file seems to be valid, proceed
+                status(true)
+                // check if the configuration has a proper template
+                if (has(config.template)) {
+                    // if so, build the template if, and only if, there's no one already
+                    // set through command line
+                    template = ensure(template, config.template)
+                }
+                // check if the configuration has a proper string/string map
+                if (has(config.map)) {
+                    // set the main configuration map to be dealt later on
+                    cmap = config.map
+                }
+                line("Adjusting variables from file")
+                status(true)
+                println()
+            } catch (e: InvalidTemplateException) {
+                // an error occurred, print it, set exit code and halt
+                status(false)
+                error(e)
+                exit = -1
+                halt = true
+            }
+        } else {
+            line("Configuration file mode disabled")
+            status(true)
+            line("Entering full command line mode")
+            // there's no configuration file, so we need to check whether there is
+            // not a pattern set in the command line
+            if (!has(template)) {
+                status(false)
+                error(Exception("The template was not set " +
+                        "in the command line through the -t/--template " +
+                        "option. If not explicitly specified in a " +
+                        "configuration file, this option becomes mandatory, " +
+                        "so make sure to define it  either in the command " +
+                        "line or in a proper configuration file."))
+                exit = -1
+                halt = true
+            } else {
+                status(true)
+                println()
+            }
+        }
+        // check whether we should halt prematurely
+        if (!halt) {
+            println("Please, wait...")
+            println()
+            // now we need to obtain the actual template from a file stored either
+            // in the user home or in the system
+            line("Obtaining reference")
+            try {
+                // let us try to get the corresponding file from the template pattern
+                val file = getTemplatePath(template!!)
+                // the actual template file was found, so we can proceed to
+                // the next phase
+                status(true)
+                line("Composing template")
+                // attempts to retrieve the template attributes from the referenced file
+                // to the actual template object
+                val template = Template.fromPath(file)
+                // the template composition was successful, so we can move on to the
+                // next phase
+                status(true)
+                // once the template object is populated, we need to verify if both
+                // template and data map are not somehow conflicting
+                line("Validating data")
+                val validatedData = validate(template, map!!)
+                // the data validation was consistent, so now the merging can be
+                // applied
+                status(true)
+                line("Merging template and data")
+                val merged = mergeTemplate(template, validatedData, output!!,
+                        cmap)
+                status(true)
+                println()
+                println("Done! Enjoy your template!")
+                println("Written: " + getSize(merged))
+            } catch (e: InvalidTemplateException) {
+                status(false)
+                error(e)
+                exit = -1
+            }
+        }
+        // the exit status is returned, denoting whether the application was able
+        // to merge both template and data accordingly
+        return exit
+    }
+
+    /**
+     * Ensures the data map is never pointed to a null reference.
+     */
+    private fun ensureMap() {
+        if (!has(map)) {
+            map = mutableMapOf()
+        }
+    }
+
+    /**
+     * Gets the file size in a human readable format.
+     *
+     * @param bytes The file size, in bytes.
+     * @return The file size in a human readable format.
+     */
+    @Suppress("MagicNumber")
+    private fun getSize(bytes: Long): String {
+        return if (bytes < 1024) {
+            "$bytes B"
+        } else {
+            val exponent = (ln(bytes.toDouble()) / ln(1024.0)).toInt()
+            "%.1f %cB".format(bytes / 1024.0.pow(exponent.toDouble()),
+                    "KMGTPE"[exponent - 1])
+        }
+    }
+
+    /**
+     * Ensures the first parameter is not null, or sets it to the second one.
+     *
+     * @param <T>    The type.
+     * @param first First parameter.
+     * @param second Second parameter.
+     * @return Either the first or the second one.
+    </T> */
+    private fun <T> ensure(first: T, second: T): T {
+        return if (!has(first)) second else first
+    }
+
+    /**
+     * Checks whether the object exists.
+     *
+     * @param obj The object.
+     * @return Boolean value indicating whether the object exists.
+     */
+    private fun has(obj: Any?): Boolean {
+        return obj != null
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidKeySetException.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidKeySetException.kt
new file mode 100644
index 0000000000..72ff3bcbd4
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidKeySetException.kt
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.exceptions
+
+/**
+ * Handles exceptions when the context map contains invalid keys.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+class InvalidKeySetException : Exception {
+    /**
+     * Constructor.
+     */
+    constructor()
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     */
+    constructor(message: String?) : super(message)
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     * @param cause The throwable cause to be forwarded.
+     */
+    constructor(message: String?, cause: Throwable?) : super(message, cause)
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidTemplateException.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidTemplateException.kt
new file mode 100644
index 0000000000..678c390055
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/InvalidTemplateException.kt
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.exceptions
+
+/**
+ * Handles exceptions when the template is somehow invalid.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+class InvalidTemplateException : Exception {
+    constructor()
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     */
+    constructor(message: String?) : super(message)
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     * @param cause The throwable cause to be forwarded.
+     */
+    constructor(message: String?, cause: Throwable?) : super(message, cause)
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/TemplateMergingException.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/TemplateMergingException.kt
new file mode 100644
index 0000000000..e1760f8732
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/exceptions/TemplateMergingException.kt
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.exceptions
+
+/**
+ * Handles exceptions when the template merging failed.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+class TemplateMergingException : Exception {
+    /**
+     * Constructor.
+     */
+    constructor()
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     */
+    constructor(message: String?) : super(message)
+
+    /**
+     * Constructor.
+     *
+     * @param message Message to be attached to the exception.
+     * @param cause The throwable cause to be forwarded.
+     */
+    constructor(message: String?, cause: Throwable?) : super(message, cause)
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Configuration.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Configuration.kt
new file mode 100644
index 0000000000..8d37cbb39a
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Configuration.kt
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.model
+
+import com.moandjiezana.toml.Toml
+import java.nio.file.Path
+import org.islandoftex.texplate.exceptions.InvalidTemplateException
+
+/**
+ * The configuration model.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+data class Configuration(
+    /**
+     * The template of the template.
+     */
+    val template: String? = null,
+    /**
+     * Map of variables for the configuration.
+     */
+    val map: Map<String, Any> = mapOf()
+) {
+    /**
+     * Whether the configuration is valid.
+     */
+    private val isValid: Boolean
+        get() = template != null
+
+    companion object {
+        /**
+         * Reads the configuration from path.
+         *
+         * @param path The path.
+         * @return Configuration.
+         * @throws InvalidTemplateException The configuration is invalid.
+         */
+        @Throws(InvalidTemplateException::class)
+        fun fromPath(path: Path): Configuration {
+            val configuration: Configuration
+            val message = ("The provided configuration file looks invalid. " +
+                    "Please make sure the configuration has a valid syntax and " +
+                    "try again. ")
+            configuration = try {
+                // gets the configuration
+                Toml().read(path.toFile()).to(Configuration::class.java)
+            } catch (exception: IllegalStateException) {
+                // the configuration seems invalid
+                throw InvalidTemplateException(message + "In this particular " +
+                        "scenario, there is a possibility that the configuration " +
+                        "file does not follow the TOML specification. Please " +
+                        "refer to the user manual for further details and a " +
+                        "possible fix. Also, the raised exception message can " +
+                        "give us some hints on what happened.", exception)
+            }
+            return if (configuration.isValid) {
+                configuration
+            } else {
+                throw InvalidTemplateException(message + "Specifically, some " +
+                        "mandatory fields are either absent or empty in the " +
+                        "configuration file. It is quite important to strictly " +
+                        "follow the configuration specification, as detailed in " +
+                        "the user manual, or the tool will not work at all.")
+            }
+        }
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Template.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Template.kt
new file mode 100644
index 0000000000..82616242de
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/Template.kt
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.model
+
+import com.moandjiezana.toml.Toml
+import java.nio.file.Path
+import org.islandoftex.texplate.exceptions.InvalidTemplateException
+
+/**
+ * The template model.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+data class Template(
+    /**
+     * Name of the template
+     */
+    val name: String? = null,
+    /**
+     * Description of the template
+     */
+    val description: String? = null,
+    /**
+     * List of authors who wrote the template
+     */
+    val authors: List<String> = listOf(),
+    /**
+     * List of requirements for the template
+     */
+    val requirements: List<String> = listOf(),
+    /**
+     * The document to be configured
+     */
+    val document: String? = null,
+    /**
+     * The map handlers
+     */
+    val handlers: Map<String, String> = mapOf()
+) {
+    /**
+     * Checks whether the template is valid.
+     *
+     * @return A boolean value indicating whether the template is valid.
+     */
+    private val isValid: Boolean
+        get() = !(name == null || description == null ||
+                document == null || name.isBlank() ||
+                description.isBlank() || authors.isEmpty() ||
+                document.isBlank())
+
+    companion object {
+        /**
+         * Reads the template from the provided path.
+         *
+         * @param path The path to the template file.
+         * @return The template object from the provided path.
+         * @throws InvalidTemplateException The template is invalid.
+         */
+        @JvmStatic
+        @Throws(InvalidTemplateException::class)
+        fun fromPath(path: Path): Template {
+            val template: Template
+            // the exception message, in case the conversion fails or if there are
+            // missing elements from the template
+            val message = ("The provided template file looks invalid. Please " +
+                    "make sure the template has a valid syntax and try again. ")
+            template = try {
+                Toml().read(path.toFile()).to(Template::class.java)
+            } catch (exception: IllegalStateException) {
+                throw InvalidTemplateException(message + "In this particular " +
+                        "scenario, there is a possibility that the template " +
+                        "file does not follow the TOML specification. Please " +
+                        "refer to the user manual for further details and a " +
+                        "possible fix. Also, the raised exception message can " +
+                        "give us some hints on what happened.", exception)
+            }
+            // the conversion hasn't failed, but we need to check whether the
+            // template is valid
+            return if (template.isValid) {
+                template
+            } else {
+                throw InvalidTemplateException(message + "Specifically, some " +
+                        "mandatory fields are either absent or empty in the " +
+                        "template file. It is quite important to strictly " +
+                        "follow the template specification, as detailed in the " +
+                        "user manual, or the tool will not work at all.")
+            }
+        }
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/BooleanHandler.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/BooleanHandler.kt
new file mode 100644
index 0000000000..cbb74a532f
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/BooleanHandler.kt
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.model.handlers
+
+/**
+ * Implements a boolean handler.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+class BooleanHandler : Handler {
+    /**
+     * Applies the conversion to the string.
+     *
+     * @param string The string.
+     * @return A list.
+     */
+    override fun apply(string: String?): Any? {
+        return listOf("true", "1", "yes").contains(string!!.toLowerCase())
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/CSVListHandler.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/CSVListHandler.kt
new file mode 100644
index 0000000000..77424ed463
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/CSVListHandler.kt
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.model.handlers
+
+/**
+ * Implements a CSV list handler.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+class CSVListHandler : Handler {
+    /**
+     * Applies the conversion to the string.
+     *
+     * @param string The string.
+     * @return A list.
+     */
+    override fun apply(string: String?): Any? {
+        return string?.split(",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)".toRegex())
+                ?.map { it.trim() }
+                ?.filter { it.isNotEmpty() }
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/Handler.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/Handler.kt
new file mode 100644
index 0000000000..47b59a09a5
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/model/handlers/Handler.kt
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.model.handlers
+
+/**
+ * Interface for handlers.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+interface Handler {
+    /**
+     * Apply the handler in the string.
+     *
+     * @param string The string.
+     * @return The resulting object.
+     */
+    fun apply(string: String?): Any?
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/HandlerUtils.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/HandlerUtils.kt
new file mode 100644
index 0000000000..44eebb2b69
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/HandlerUtils.kt
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.util
+
+import org.islandoftex.texplate.model.handlers.BooleanHandler
+import org.islandoftex.texplate.model.handlers.CSVListHandler
+import org.islandoftex.texplate.model.handlers.Handler
+
+/**
+ * Provides the map of handlers.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+object HandlerUtils {
+    /**
+     * Gets the map of handlers.
+     *
+     * @return Map of handlers.
+     */
+    @JvmStatic
+    val handlers: Map<String, Handler> = mapOf(
+            "to-csv-list" to CSVListHandler(),
+            "to-boolean" to BooleanHandler()
+    )
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MergingUtils.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MergingUtils.kt
new file mode 100644
index 0000000000..ef02349d5d
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MergingUtils.kt
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.util
+
+import java.io.IOException
+import java.nio.file.Path
+import org.apache.velocity.VelocityContext
+import org.apache.velocity.exception.MethodInvocationException
+import org.apache.velocity.exception.ParseErrorException
+import org.apache.velocity.exception.ResourceNotFoundException
+import org.apache.velocity.exception.TemplateInitException
+import org.apache.velocity.runtime.RuntimeConstants
+import org.apache.velocity.runtime.RuntimeSingleton
+import org.apache.velocity.runtime.parser.ParseException
+import org.islandoftex.texplate.exceptions.TemplateMergingException
+import org.islandoftex.texplate.model.Template
+import org.islandoftex.texplate.util.HandlerUtils.handlers
+import org.slf4j.helpers.NOPLoggerFactory
+
+/**
+ * Merging utilities.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+object MergingUtils {
+    /**
+     * Merges both template and data.
+     *
+     * @param template The template object.
+     * @param map The data map.
+     * @param output The output path.
+     * @param cmap The configuration map.
+     * @return The length of the generated output.
+     * @throws TemplateMergingException The merging failed.
+     */
+    @JvmStatic
+    @Throws(TemplateMergingException::class)
+    @Suppress("TooGenericExceptionCaught")
+    fun mergeTemplate(
+        template: Template,
+        map: Map<String, String?>,
+        output: Path,
+        cmap: Map<String, Any>
+    ): Long {
+        // create the context map
+        val context = handle(template, map, cmap)
+        // create a file writer for the output reference
+        try {
+            output.toFile().writer().use { writer ->
+                // the document is actually read into a string reader
+                val reader = template.document!!.reader()
+                // load both runtime services and the template model from Velocity
+                val services = RuntimeSingleton.getRuntimeServices()
+                services.addProperty(RuntimeConstants.RUNTIME_LOG_INSTANCE,
+                        NOPLoggerFactory().getLogger(""))
+                val reference = org.apache.velocity.Template()
+                // set both runtime services and document data into the template document
+                reference.setRuntimeServices(services)
+                reference.data = services.parse(reader, reference)
+                reference.initDocument()
+                // create the context based on the data map previously set
+                val entries = VelocityContext(context)
+                // merge both template and data into the file writer
+                reference.merge(entries, writer)
+            }
+        } catch (exception: Exception) {
+            // TODO: simplify
+            when (exception) {
+                is IOException, is MethodInvocationException, is ParseErrorException,
+                is ParseException, is ResourceNotFoundException, is TemplateInitException ->
+                    throw TemplateMergingException("An error occurred while " +
+                            "trying to merge the template reference with the " +
+                            "provided data. Make sure the template is correct " +
+                            "and try again. The raised exception might give us " +
+                            "some hints on what exactly happened. Typically, " +
+                            "make sure the template strictly follows the " +
+                            "Velocity 2.0 language syntax.", exception)
+                else -> throw TemplateMergingException("Fatal error occured. " +
+                        "This error should never happen. Please make a detailed " +
+                        "report to the developers.")
+            }
+        }
+        // simply return the length of the generated output file
+        return output.toFile().length()
+    }
+
+    /**
+     * Handles the context map.
+     *
+     * @param template The template model.
+     * @param map The context map.
+     * @param configmap The map from a configuration file.
+     * @return The new context map.
+     */
+    private fun handle(
+        template: Template,
+        map: Map<String, String?>,
+        configmap: Map<String, Any>
+    ): Map<String, Any?> {
+        // no handlers found
+        return if (template.handlers.isEmpty()) {
+            // create a new map from the command line map and put the values from
+            // the configuration file cmap, if absent
+            configmap.mapValues { it.value.toString() }.plus(map)
+        } else {
+            // get default handlers and set the resulting map
+            val result: MutableMap<String, Any?> = mutableMapOf()
+            // check each key from the map
+            map.forEach { (key: String, value: String?) ->
+                // there is a handler for the current key
+                if (template.handlers.containsKey(key) &&
+                        handlers.containsKey(template.handlers[key])) {
+                    // apply the handler and store the value in the map
+                    result[key] = handlers[template.handlers[key]]!!.apply(value)
+                } else {
+                    // simply store the value
+                    result[key] = value
+                    // TODO: should we warn about an invalid handler?
+                }
+            }
+
+            // put remaining values from the configuration file, if absent
+            configmap.plus(result)
+        }
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MessageUtils.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MessageUtils.kt
new file mode 100644
index 0000000000..fbb68a819e
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/MessageUtils.kt
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.util
+
+import java.time.LocalDate
+
+/**
+ * Message helper methods.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+object MessageUtils {
+    // the message width
+    private const val WIDTH = 60
+    // the application version
+    private val VERSION = MessageUtils::class.java.`package`.implementationVersion
+            ?: "DEVELOPMENT BUILD"
+
+    /**
+     * Prints a line in the terminal, without a line break.
+     *
+     * @param message The message to be printed.
+     */
+    @JvmStatic
+    fun line(message: String) {
+        print("$message ".padEnd(WIDTH - " [FAILED]".length, '.') + " ")
+    }
+
+    /**
+     * Prints the status in the terminal.
+     *
+     * @param result The boolean value.
+     */
+    @JvmStatic
+    fun status(result: Boolean) {
+        println(if (result) "[ DONE ]" else "[FAILED]")
+    }
+
+    /**
+     * Prints the error in the terminal.
+     *
+     * @param throwable The throwable reference.
+     */
+    @JvmStatic
+    fun error(throwable: Throwable) {
+        println("\n" + "HOUSTON, WE'VE GOT A PROBLEM ".padEnd(WIDTH, '-') +
+                "\n" + throwable.message + "\n" +
+                "".padStart(WIDTH, '-') + "\n")
+    }
+
+    /**
+     * Prints the application logo in the terminal.
+     */
+    fun drawLogo() {
+        println(
+                " ______         __   __          ___             __             \n" +
+                        "/\\__  _\\       /\\ \\ /\\ \\        /\\_ \\           /\\ \\__          \n" +
+                        "\\/_/\\ \\/    __ \\ `\\`\\/'/'  _____\\//\\ \\      __  \\ \\ ,_\\    __   \n" +
+                        "   \\ \\ \\  /'__`\\`\\/ > <   /\\ '__`\\\\ \\ \\   /'__`\\ \\ \\ \\/  /'__`\\ \n" +
+                        "    \\ \\ \\/\\  __/   \\/'/\\`\\\\ \\ \\L\\ \\\\_\\ \\_/\\ \\L\\.\\_\\ \\ \\_/\\  __/ \n" +
+                        "     \\ \\_\\ \\____\\  /\\_\\\\ \\_\\ \\ ,__//\\____\\ \\__/.\\_\\\\ \\__\\ \\____\\\n" +
+                        "      \\/_/\\/____/  \\/_/ \\/_/\\ \\ \\/ \\/____/\\/__/\\/_/ \\/__/\\/____/\n" +
+                        "                             \\ \\_\\                              \n" +
+                        "                              \\/_/                              \n"
+        )
+        println(
+                "TeXplate $VERSION, a document structure creation tool\n" +
+                        "Copyright (c) ${LocalDate.now().year}, Island of TeX\n" +
+                        "All rights reserved.\n"
+        )
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/PathUtils.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/PathUtils.kt
new file mode 100644
index 0000000000..3a74603557
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/PathUtils.kt
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.util
+
+import java.io.FileNotFoundException
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.Paths
+
+/**
+ * Helper methods for path handling.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+object PathUtils {
+    // the templates folder
+    private const val TEMPLATES_FOLDER = "templates"
+    // the user application folder
+    private const val USER_APPLICATION_FOLDER = ".texplate"
+
+    /**
+     * The user's template path.
+     */
+    private val userTemplatePath: Path
+        get() = try {
+            Paths.get(System.getProperty("user.home"),
+                    USER_APPLICATION_FOLDER, TEMPLATES_FOLDER)
+        } catch (e: RuntimeException) {
+            Paths.get(".")
+        }
+
+    /**
+     * Searches all paths looking for the provided template.
+     *
+     * @param name The name to be associated to a template file.
+     * @return The corresponding template file.
+     * @throws FileNotFoundException The template file could not be found.
+     */
+    @JvmStatic
+    @Throws(FileNotFoundException::class)
+    fun getTemplatePath(name: String): Path {
+        // the file has to be a TOML format, so we add the extension
+        val fullName = "$name.toml"
+        // the first reference is based on the user template path resolved with the
+        // file name
+        val reference = userTemplatePath.resolve(fullName)
+        // if the file actually exists, the search is done!
+        return if (Files.exists(reference)) {
+            reference
+        } else {
+            // the reference was not found in the user location, so let us try the
+            // system counterpart
+            try {
+                val tempFile = Files.createTempFile(null, null)
+                tempFile.toFile().writeText(PathUtils::class.java
+                        .getResource("/org/islandoftex/texplate/templates/texplate-$fullName")
+                        .readText())
+                tempFile
+            } catch (e: RuntimeException) {
+                throw FileNotFoundException("I am sorry, but the template " +
+                        "file '" + fullName + "' could not be found in the " +
+                        "default template locations (system and user). Make " +
+                        "sure the reference is correct and try again. For " +
+                        "reference, these are the paths I searched: '" +
+                        userTemplatePath + "'.")
+            }
+        }
+    }
+}
diff --git a/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/ValidatorUtils.kt b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/ValidatorUtils.kt
new file mode 100644
index 0000000000..ef91a012c1
--- /dev/null
+++ b/support/texplate/source/main/kotlin/org/islandoftex/texplate/util/ValidatorUtils.kt
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: BSD-3-Clause
+package org.islandoftex.texplate.util
+
+import org.islandoftex.texplate.exceptions.InvalidKeySetException
+import org.islandoftex.texplate.model.Template
+
+/**
+ * Helper methods for validation.
+ *
+ * @version 1.0
+ * @since 1.0
+ */
+object ValidatorUtils {
+    /**
+     * Validates the data map based on the template requirements.
+     *
+     * @param template The template.
+     * @param map The data map.
+     * @return A boolean value indicating whether the data map is valid.
+     */
+    private fun validateRequirements(
+        template: Template,
+        map: Map<String, String>
+    ): Boolean {
+        return template.requirements.isNullOrEmpty() ||
+                template.requirements.containsAll(map.keys)
+    }
+
+    /**
+     * Validates the template pattern and the data map and throws an exception
+     * in case of failure.
+     *
+     * @param template The template.
+     * @param map The data map.
+     * @return The data map.
+     * @throws InvalidKeySetException There are invalid keys in the map.
+     */
+    @JvmStatic
+    @Throws(InvalidKeySetException::class)
+    fun validate(
+        template: Template,
+        map: Map<String, String>
+    ): Map<String, String> {
+        // for starters, we try to validate the template requirements
+        return if (validateRequirements(template, map)) {
+            map
+        } else {
+            throw InvalidKeySetException("The provided map does not " +
+                    "contain all the keys required by the chosen " +
+                    "template. Make sure to define such keys and try " +
+                    "again. Check the user manual for further details.")
+        }
+    }
+}
diff --git a/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-article.toml b/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-article.toml
new file mode 100644
index 0000000000..53f7796762
--- /dev/null
+++ b/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-article.toml
@@ -0,0 +1,54 @@
+name = "article"
+description = """
+A simple template for the default article class, with support for new
+engines (with fontspec fallback), babel languages, geometry options,
+generic packages, and TikZ and corresponding libraries.
+"""
+authors = [ "Island of TeX" ]
+requirements = []
+document = '''
+\documentclass#if($options)[$options]#{end}{article}
+
+#if ($xetex || $luatex)
+\usepackage{fontspec}
+#else
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+#end
+#if ($geometry)
+
+\usepackage[$geometry]{geometry}
+#end
+#if ($babel)
+#if (!$geometry)
+
+#end
+\usepackage[$babel]{babel}
+#end
+#if ($packages)
+
+#foreach ($package in $packages)
+\usepackage{$package}
+#end
+#end
+#if ($tikz)
+
+\usepackage{tikz}
+#if ($libraries)
+#foreach ($library in $libraries)
+\usetikzlibrary{$library}
+#end
+#end
+#end
+
+\begin{document}
+
+\end{document}
+'''
+
+[handlers]
+xetex = "to-boolean"
+luatex = "to-boolean"
+tikz = "to-boolean"
+libraries = "to-csv-list"
+packages = "to-csv-list"
diff --git a/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-standalone.toml b/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-standalone.toml
new file mode 100644
index 0000000000..dd8daea65f
--- /dev/null
+++ b/support/texplate/source/main/resources/org/islandoftex/texplate/templates/texplate-standalone.toml
@@ -0,0 +1,45 @@
+name = "standalone"
+description = """
+A simple template for the standalone class, with support for
+class options, new engines (with fontspec fallback), list of
+packages, and TikZ and corresponding libraries.
+"""
+authors = [ "Island of TeX" ]
+requirements = []
+document = '''
+\documentclass#if($options)[$options]#{end}{standalone}
+
+#if ($xetex || $luatex)
+\usepackage{fontspec}
+#else
+\usepackage[T1]{fontenc}
+\usepackage[utf8]{inputenc}
+#end
+#if ($packages)
+
+#foreach ($package in $packages)
+\usepackage{$package}
+#end
+#end
+#if ($tikz)
+
+\usepackage{tikz}
+#if ($libraries)
+#foreach ($library in $libraries)
+\usetikzlibrary{$library}
+#end
+#end
+#end
+
+\begin{document}
+
+\end{document}
+'''
+
+[handlers]
+xetex = "to-boolean"
+luatex = "to-boolean"
+tikz = "to-boolean"
+libraries = "to-csv-list"
+packages = "to-csv-list"
+
-- 
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