/*
GNU GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
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
verion 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 library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: lobochief@users.sourceforge.net
*/
package org.lobobrowser.main;
import java.net.URLStreamHandler;
import java.net.URLStreamHandlerFactory;
import java.util.ArrayList;
import java.util.Collection;
/**
* Global URL stream handler factory used by the browser.
*
* @see PlatformInit#initProtocols()
*/
public class PlatformStreamHandlerFactory implements URLStreamHandlerFactory {
private static final PlatformStreamHandlerFactory instance = new PlatformStreamHandlerFactory();
private final Collection<URLStreamHandlerFactory> factories = new ArrayList<>();
public static PlatformStreamHandlerFactory getInstance() {
return instance;
}
public void addFactory(final URLStreamHandlerFactory factory) {
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
sm.checkSetFactory();
}
final Collection<URLStreamHandlerFactory> factories = this.factories;
synchronized (factories) {
factories.add(factory);
}
}
public URLStreamHandler createURLStreamHandler(final String protocol) {
final Collection<URLStreamHandlerFactory> factories = this.factories;
synchronized (factories) {
for (final URLStreamHandlerFactory f : factories) {
final URLStreamHandler handler = f.createURLStreamHandler(protocol);
if (handler != null) {
return handler;
}
}
}
return null;
}
}