diff options
Diffstat (limited to 'sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java')
-rw-r--r-- | sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java new file mode 100644 index 0000000000..c0e40e0644 --- /dev/null +++ b/sca-java-1.x/tags/java-M1-final/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java @@ -0,0 +1,55 @@ +/** + * + * 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"); + } + } + +} |