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+/**
+ * \cond LICENSE
+ * Arara -- the cool TeX automation tool
+ * Copyright (c) 2012, Paulo Roberto Massa Cereda
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the project's author nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
+ * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ * \endcond
+ *
+ * LanguageController: This class holds the language model controller for arara.
+ */
+// package definition
+package com.github.arara.utils;
+
+// needed imports
+import com.github.arara.model.AraraLanguage;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Holds the language model controller for arara.
+ *
+ * @author Paulo Roberto Massa Cereda
+ * @version 3.0
+ * @since 3.0
+ */
+public class LanguageController {
+
+ // list of available languages
+ private List<AraraLanguage> languages;
+ // the localization singleton instance
+ final static AraraLocalization localization = AraraLocalization.getInstance();
+
+ /**
+ * Constructor.
+ */
+ public LanguageController() {
+
+ // create a new list of languages
+ languages = new ArrayList<AraraLanguage>();
+
+ // add the resources
+ languages.add(new AraraLanguage("English", "en", new Locale("en")));
+ languages.add(new AraraLanguage("Brazilian Portuguese", "ptbr", new Locale("pt", "BR")));
+ languages.add(new AraraLanguage("Italian", "it", new Locale("it")));
+ languages.add(new AraraLanguage("French", "fr", new Locale("fr")));
+ languages.add(new AraraLanguage("Spanish", "es", new Locale("es")));
+ languages.add(new AraraLanguage("German", "de", new Locale("de")));
+ languages.add(new AraraLanguage("Turkish", "tr", new Locale("tr", "TR")));
+ languages.add(new AraraLanguage("Russian", "ru", new Locale("ru")));
+
+ }
+
+ /**
+ * Sets the current language according to the provided country code.
+ *
+ * @param code The country code.
+ * @return A boolean value indicating if the new language was properly
+ * applied.
+ */
+ public boolean setLanguage(String code) {
+
+ // get the index of the language
+ int i = getIndex(code);
+
+ // if it's valid
+ if (i != -1) {
+
+ // set locale and refresh the resource bundle
+ Locale.setDefault(languages.get(i).getLocale());
+ localization.refresh();
+
+ // everything went fine
+ return true;
+ }
+
+ // the country code is invalid
+ return false;
+ }
+
+ /**
+ * Returns a string containing the list of available languages.
+ *
+ * @return A string containing the list of available languages.
+ */
+ public String getLanguagesList() {
+
+ // get the first one in the list
+ String result = languages.get(0).toString();
+
+ // iterate through the rest
+ for (int i = 1; i < languages.size(); i++) {
+
+ // separate them by commas
+ result = result.concat(", ").concat(languages.get(i).toString());
+ }
+
+ // return the string
+ return result;
+ }
+
+ /**
+ * Prints the language help.
+ */
+ public void printLanguageHelp() {
+
+ // print message
+ System.out.println(AraraUtils.wrap(localization.getMessage("Error_InvalidLanguage").concat("\n\n").concat(getLanguagesList()).concat("\n")));
+ }
+
+ /**
+ * Gets the index for the country code.
+ * @param code The country code.
+ * @return An integer representing the index.
+ */
+ private int getIndex(String code) {
+
+ // for every language
+ for (int i = 0; i < languages.size(); i++) {
+
+ // if the codes are equal
+ if (languages.get(i).getCode().equalsIgnoreCase(code)) {
+
+ // return the current counter
+ return i;
+ }
+ }
+
+ // nothing was found, return a negative value
+ return -1;
+ }
+}