Ben Alex
21 years ago
14 changed files with 187 additions and 53 deletions
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/* Copyright 2004, 2005 Acegi Technology Pty Limited |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.acegisecurity.util; |
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import org.aopalliance.intercept.MethodInvocation; |
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import org.springframework.util.Assert; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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import java.util.List; |
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/** |
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* Static utility methods for creating <code>MethodInvocation</code>s usable |
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* within Acegi Security. |
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* |
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* <p> |
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* All methods of this class return a {@link |
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* org.acegisecurity.util.SimpleMethodInvocation}. |
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* </p> |
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* |
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* @author Ben Alex |
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* @version $Id$ |
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*/ |
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public class MethodInvocationUtils { |
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//~ Methods ================================================================
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/** |
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* Generates a <code>MethodInvocation</code> for specified |
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* <code>methodName</code> on the passed object. |
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* |
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* @param object the object that will be used to find the relevant |
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* <code>Method</code> |
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* @param methodName the name of the method to find |
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* |
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* @return a <code>MethodInvocation</code>, or <code>null</code> if there |
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* was a problem |
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*/ |
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public static MethodInvocation create(Object object, String methodName) { |
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return create(object, methodName, null); |
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} |
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|
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/** |
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* Generates a <code>MethodInvocation</code> for specified |
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* <code>methodName</code> on the passed object, using the |
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* <code>args</code> to locate the method. |
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* |
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* @param object the object that will be used to find the relevant |
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* <code>Method</code> |
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* @param methodName the name of the method to find |
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* @param args arguments that are required as part of the method signature |
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* |
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* @return a <code>MethodInvocation</code>, or <code>null</code> if there |
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* was a problem |
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*/ |
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public static MethodInvocation create(Object object, String methodName, |
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Object[] args) { |
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Assert.notNull(object, "Object required"); |
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Class[] classArgs = null; |
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if (args != null) { |
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List list = new ArrayList(); |
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for (int i = 0; i < args.length; i++) { |
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list.add(args[i].getClass()); |
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} |
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classArgs = (Class[]) list.toArray(); |
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} |
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return createFromClass(object.getClass(), methodName, classArgs); |
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} |
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/** |
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* Generates a <code>MethodInvocation</code> for specified |
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* <code>methodName</code> on the passed class. |
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* |
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* @param clazz the class of object that will be used to find the relevant |
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* <code>Method</code> |
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* @param methodName the name of the method to find |
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* |
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* @return a <code>MethodInvocation</code>, or <code>null</code> if there |
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* was a problem |
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*/ |
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public static MethodInvocation createFromClass(Class clazz, |
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String methodName) { |
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return createFromClass(clazz, methodName); |
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} |
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/** |
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* Generates a <code>MethodInvocation</code> for specified |
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* <code>methodName</code> on the passed class, using the |
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* <code>args</code> to locate the method. |
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* |
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* @param clazz the class of object that will be used to find the relevant |
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* <code>Method</code> |
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* @param methodName the name of the method to find |
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* @param args arguments that are required as part of the method signature |
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* |
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* @return a <code>MethodInvocation</code>, or <code>null</code> if there |
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* was a problem |
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*/ |
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public static MethodInvocation createFromClass(Class clazz, |
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String methodName, Class[] args) { |
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Assert.notNull(clazz, "Class required"); |
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Assert.hasText(methodName, "MethodName required"); |
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Method method; |
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try { |
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method = clazz.getMethod(methodName, args); |
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} catch (Exception e) { |
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return null; |
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} |
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return new SimpleMethodInvocation(method, args); |
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} |
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} |
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