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 package org.jboss.osgi.framework.internal;
 /*
  * #%L
  * JBossOSGi Framework
  * %%
  * Copyright (C) 2010 - 2012 JBoss by Red Hat
  * %%
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 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 Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * #L%
 */
There can only ever be one URLStreamHandlerFactory active in the system and it can only be set once, using java.net.URL.setURLStreamHandlerFactory(java.net.URLStreamHandlerFactory).

Author(s):
Thomas.Diesler@jboss.com
Since:
10-Jan-2011
         = factory;
    }
    void addHandler(String protocolServiceReference reference) {
        synchronized () {
            .putIfAbsent(protocolnew ArrayList<ServiceReference>());
            List<ServiceReferencelist = .get(protocol);
            synchronized (list) {
                list.add(reference);
                Collections.sort(list, Collections.reverseOrder(ServiceReferenceComparator.getInstance()));
            }
        }
    }
        synchronized () {
            return .get(protocol);
        }
    }
    void removeHandler(ServiceReference reference) {
        synchronized () {
            for (List<ServiceReferencelist : .values()) {
                for (Iterator<ServiceReferenceit = list.iterator(); it.hasNext();) {
                    if (it.next().equals(reference)) {
                        it.remove();
                        break;
                    }
                }
            }
        }
    }
    void clearHandlers() {
        synchronized () {
            for (List<ServiceReferencelist : .values()) {
                list.clear();
            }
        }
    }
    @Override
    public URLStreamHandler createURLStreamHandler(String protocol) {
        return  != null ? .createURLStreamHandler(protocol) : null;
    }
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