/*
This file is part of RouteConverter.
RouteConverter 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.
RouteConverter 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 RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.gui.jarinjar;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import static java.net.URLDecoder.decode;
import static slash.common.io.Transfer.UTF8_ENCODING;
/**
* An {@link URLConnection} that reads URLs from the classpath.
*
* @author Christian Pesch, inspired from https://code.google.com/p/entail/source/browse/jarinjarloader/org/eclipse/jdt/internal/jarinjarloader/
*/
class ClassPathURLConnection extends URLConnection {
private ClassLoader classLoader;
ClassPathURLConnection(URL url, ClassLoader classLoader) {
super(url);
this.classLoader = classLoader;
}
public void connect() throws IOException {
}
public InputStream getInputStream() throws IOException {
String file = decode(url.getFile(), UTF8_ENCODING);
InputStream result = classLoader.getResourceAsStream(file);
if (result == null) {
throw new MalformedURLException("Could not open InputStream for URL '" + url + "'");
}
return result;
}
}