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Groovy example source code file (Interceptor.java)
The Groovy Interceptor.java source code/* * Copyright 2003-2007 the original author or authors. * * 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 groovy.lang; /** * Implementers of this interface can be registered in the ProxyMetaClass for * notifications about method calls for objects managed by the ProxyMetaClass. * See groovy/lang/InterceptorTest.groovy for details. * @author Dierk Koenig */ public interface Interceptor { /** * This code is executed before the method is optionally called. * @param object receiver object for the method call * @param methodName name of the method to call * @param arguments arguments to the method call * @return any arbitrary result that replaces the result of the * original method call only if doInvoke() returns false and afterInvoke() * relays this result. */ Object beforeInvoke(Object object, String methodName, Object[] arguments); /** * This code is executed after the method is optionally called. * @param object receiver object for the called method * @param methodName name of the called method * @param arguments arguments to the called method * @param result result of the executed method call or result of beforeInvoke if method was not called * @return any arbitrary result that can replace the result of the * original method call. Typically, the result parameter is returned. */ Object afterInvoke(Object object, String methodName, Object[] arguments, Object result); /** * @return whether the target method should be invoked at all. */ boolean doInvoke(); } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy Interceptor.java source code file: |
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