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/**
* Arara, the cool TeX automation tool
* Copyright (c) 2012 -- 2019, 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.
*/
package com.github.cereda.arara.model;
import com.github.cereda.arara.controller.ConfigurationController;
import com.github.cereda.arara.controller.LanguageController;
import com.github.cereda.arara.utils.CommonUtils;
import com.github.cereda.arara.utils.DirectiveUtils;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.List;
import org.apache.commons.io.FileUtils;
/**
* It extracts directives from the provided main file.
* @author Paulo Roberto Massa Cereda
* @version 4.0
* @since 4.0
*/
public class Extractor {
// the application messages obtained from the
// language controller
private static final LanguageController messages =
LanguageController.getInstance();
/**
* Extracts a list of directives from the provided main file, obtained from
* the configuration controller.
* @return A list of directives.
* @throws AraraException Something wrong happened, to be caught in the
* higher levels.
*/
public List<Directive> extract() throws AraraException {
File file = (File) ConfigurationController.
getInstance().get("execution.reference");
Charset charset = (Charset) ConfigurationController.
getInstance().get("directives.charset");
try {
List<String> content = CommonUtils.getPreambleContent();
List<String> lines = FileUtils.readLines(file, charset.name());
content.addAll(lines);
return DirectiveUtils.extractDirectives(content);
} catch (IOException ioexception) {
throw new AraraException(
messages.getMessage(
Messages.ERROR_EXTRACTOR_IO_ERROR
),
ioexception
);
}
}
}
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