/*
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */

package at.gv.egiz.bku.utils;

import java.io.UnsupportedEncodingException;
import java.net.URISyntaxException;
import java.net.URLDecoder;
import java.security.CodeSource;

public class JarLocation {
	public static String get(Class<?> c) throws URISyntaxException,
			UnsupportedEncodingException {
		CodeSource codeSource = c.getProtectionDomain().getCodeSource();

		String loc;

		if (codeSource.getLocation() != null) {
			loc = codeSource.getLocation().toString();
		} else {
			loc = c.getResource(c.getSimpleName() + ".class").toString();
		}
		if (loc.startsWith("jar:")) {
			loc = loc.substring(loc.indexOf(":") + 1, loc.indexOf("!"));
			loc = URLDecoder.decode(loc, "UTF-8");
		}
		return loc;
	}
}