/* FeatureIDE - An IDE to support feature-oriented software development
 * Copyright (C) 2005-2009  FeatureIDE Team, University of Magdeburg
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see http://www.gnu.org/licenses/.
 *
 * See http://www.fosd.de/featureide/ for further information.
 */
package featureide.fm.core.io;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;

import featureide.fm.core.FeatureModel;

/**
 * Default writer to be extended for each feature model format.
 * 
 * @author Thomas Thuem
 */
public abstract class AbstractFeatureModelWriter implements IFeatureModelWriter {

	/**
	 * the feature model to write out
	 */
	protected FeatureModel featureModel;
	
	public void setFeatureModel(FeatureModel featureModel) {
		this.featureModel = featureModel;
	}
	
	public FeatureModel getFeatureModel() {
		return featureModel;
	}
	
	public void writeToFile(IFile file) throws CoreException {
		InputStream source = new ByteArrayInputStream(writeToString().getBytes());
		if (file.exists()) {
			file.setContents(source, false, true, null);
		}
		else {
			file.create(source, false, null);
		}
	}
	
	public void writeToFile(File file) {
		try {
			if (!file.exists()) file.createNewFile();
			FileOutputStream output = new FileOutputStream(file);
			output.write(writeToString().getBytes());
			output.flush();
			output.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
}