1 files changed, 55 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/wire/MethodHashMap.java
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@@ -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");
+        }
+    }
+
+}