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/* Copyright (c) 2002-2011 by XMLVM.org
 *
 * Project Info:  http://www.xmlvm.org
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 */

package org.xmlvm.proc.out;

import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;

import org.jdom.Document;
import org.jdom.output.Format;
import org.jdom.output.XMLOutputter;
import org.xmlvm.Log;
import org.xmlvm.main.Arguments;
import org.xmlvm.proc.BundlePhase1;
import org.xmlvm.proc.BundlePhase2;
import org.xmlvm.proc.XmlvmProcessImpl;
import org.xmlvm.proc.XmlvmResource;
import org.xmlvm.proc.in.file.XmlvmFile;

/**
 * This process takes XMLVM and writes it out as pure XML.
 */
public class XmlvmOutputProcess extends XmlvmProcessImpl
{

	public XmlvmOutputProcess(Arguments arguments)
	{
		super(arguments);
		addSupportedInput(RecursiveResourceLoadingProcess.class);
	}

	public boolean processPhase1(BundlePhase1 bundle)
	{
		return true;
	}

	public boolean processPhase2(BundlePhase2 bundle)
	{
		for (XmlvmResource resource : bundle.getResources())
		{
			if (resource != null)
			{
				bundle.addOutputFile(createOutputFromDocument(resource));
			}
		}
		return true;
	}

	/**
	 * Creates an {@link OutputFile} from the given {@link XmlvmResource}.
	 */
	private OutputFile createOutputFromDocument(XmlvmResource resource)
	{
		Document document= resource.getXmlvmDocument();
		XMLOutputter outputter= new XMLOutputter(Format.getPrettyFormat());
		StringWriter writer= new StringWriter();
		try
		{
			outputter.output(document, writer);
		}
		catch (IOException e)
		{
			e.printStackTrace();
			return new OutputFile("");
		}
		OutputFile result= new OutputFile(writer.toString());
		result.setFileName(resource.getFullName().replace('.', '_').replace('$', '_') + XmlvmFile.XMLVM_ENDING);
		result.setLocation(arguments.option_out());
		return result;
	}
}