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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.wire;
import org.apache.tuscany.core.config.JavaIntrospectionHelper;
import java.lang.reflect.Method;
import java.util.HashMap;
/**
* A <code>Map</code> implementation that performs a lookup on a collection of methods by method name. This implementation is used
* to map methods on one interface to compatible methods on another interface, for example, when flowing an invocation from a
* proxy injected on a source reference to a target service instance.
*
* @version $Rev$ $Date$
*/
public class MethodHashMap<T extends InvocationConfiguration> extends HashMap<Method, T> {
public MethodHashMap() {
super();
}
public MethodHashMap(int size) {
super(size);
}
/**
* @see java.util.HashMap#get(java.lang.Object)
*/
public T get(Object key) {
if (key instanceof Method) {
Method m = (Method) key;
//FIXME find a more efficient way to find a matching method
Method closestMethod = JavaIntrospectionHelper.findClosestMatchingMethod(m.getName(), m.getParameterTypes(), super.keySet());
return super.get(closestMethod);
} else {
throw new IllegalArgumentException("Key must be a method");
}
}
}
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