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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.core.services.classloading;
import java.net.URI;
import java.util.concurrent.ConcurrentHashMap;
import java.util.Map;
import org.apache.tuscany.spi.services.classloading.ClassLoaderRegistry;
import org.apache.tuscany.spi.services.classloading.DuplicateClassLoaderException;
/**
* Implementation of a registry for classloaders.
*
* @version $Rev$ $Date$
*/
public class ClassLoaderRegistryImpl implements ClassLoaderRegistry {
private final Map<URI, ClassLoader> registry = new ConcurrentHashMap<URI, ClassLoader>();
public synchronized void register(URI id, ClassLoader classLoader) throws DuplicateClassLoaderException {
if (registry.containsKey(id)) {
throw new DuplicateClassLoaderException("Duplicate class loader", id.toString());
}
registry.put(id, classLoader);
}
public ClassLoader getClassLoader(URI id) {
return registry.get(id);
}
public ClassLoader unregister(URI id) {
return registry.remove(id);
}
}
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