KmlLight.java

/*
 * eID Applet Project.
 * Copyright (C) 2008-2009 FedICT.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version
 * 3.0 as published by the Free Software Foundation.
 *
 * This software 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 software; if not, see
 * http://www.gnu.org/licenses/.
 */

package be.fedict.eid.applet.service.util;

import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

/**
 * A "light" implementation of OGC standard KML 2.2 This class merely creates
 * the KMZ zip package
 *
 * @see http://www.opengeospatial.org/standards/kml/
 * @author Bart Hanssens
 */
public class KmlLight {

	/* yes, this is the correct MIME TYPE used by OGC standard */
	public static final String MIME_TYPE = "application/vnd.google-earth.kmz";
	private ZipOutputStream kmz;

	/**
	 * Add an image (photo) to the KMZ zip
	 *
	 * @param image
	 * @throws IOException
	 */
	public void addImage(byte[] image) throws IOException {
		ZipEntry zImage = new ZipEntry("photo.jpg");
		kmz.putNextEntry(zImage);
		kmz.write(image);
		kmz.closeEntry();
	}

	/**
	 * Add the KML file to the KMZ zip
	 *
	 * @param doc
	 *            KML document
	 * @throws IOException
	 */
	public void addKmlFile(byte[] doc) throws IOException {
		ZipEntry zKml = new ZipEntry("data.kml");
		kmz.putNextEntry(zKml);
		kmz.write(doc);
		kmz.closeEntry();
	}

	/**
	 * Close the KMZ zip file
	 *
	 * @throws IOException
	 */
	public void close() throws IOException {
		kmz.close();
	}

	/**
	 * Constructor
	 *
	 * @param outStream
	 */
	public KmlLight(OutputStream outStream) {
		kmz = new ZipOutputStream(outStream);
	}

}