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Diffstat (limited to 'branches/sca-java-2.0-M2/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java')
-rw-r--r-- | branches/sca-java-2.0-M2/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/branches/sca-java-2.0-M2/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java b/branches/sca-java-2.0-M2/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java new file mode 100644 index 0000000000..515a7c8a43 --- /dev/null +++ b/branches/sca-java-2.0-M2/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/invocation/MethodEventInvoker.java @@ -0,0 +1,56 @@ +/* + * 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.sca.implementation.java.invocation; + +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; + + +/** + * Performs an wire on a method of a given instance + * + * @version $Rev$ $Date$ + */ +public class MethodEventInvoker<T> implements EventInvoker<T> { + private final Method method; + + /** + * Instantiates an invoker for the given method + */ + public MethodEventInvoker(Method method) { + assert method != null; + this.method = method; + } + + public void invokeEvent(T instance) throws EventInvocationException { + try { + method.invoke(instance, (Object[]) null); + } catch (IllegalArgumentException e) { + String name = method.getName(); + throw new EventInvocationException("Exception thrown by event method [" + name + "]", e.getCause()); + } catch (IllegalAccessException e) { + String name = method.getName(); + throw new EventInvocationException("Method is not accessible [" + name + "]"); + } catch (InvocationTargetException e) { + String name = method.getName(); + throw new EventInvocationException("Exception thrown by event method [" + name + "]", e.getCause()); + } + } + +} |