001 /* 002 * Copyright 2007 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.codehaus.groovy.grails.plugins.springsecurity; 017 018 import org.aopalliance.intercept.MethodInvocation; 019 import org.springframework.security.intercept.InterceptorStatusToken; 020 import org.springframework.security.intercept.method.aopalliance.MethodSecurityInterceptor; 021 022 /** 023 * MethodSecurityInterceptor without throws Exceptions if Method Access is 024 * denied returns null 025 * 026 * @author T.Yamamoto 027 */ 028 public class QuietMethodSecurityInterceptor extends MethodSecurityInterceptor { 029 030 private boolean throwException; 031 private Exception lastException; 032 033 /** 034 * {@inheritDoc} 035 * @see org.springframework.security.intercept.method.aopalliance.MethodSecurityInterceptor#invoke( 036 * org.aopalliance.intercept.MethodInvocation) 037 */ 038 @Override 039 public Object invoke(final MethodInvocation mi) throws Throwable { 040 Object result = null; 041 InterceptorStatusToken token = null; 042 try { 043 token = super.beforeInvocation(mi); 044 } 045 catch (Exception e) { 046 lastException = e; 047 if (throwException) { 048 throw e; 049 } 050 logger.error(e.getMessage()); 051 return null; 052 } 053 054 try { 055 result = mi.proceed(); 056 } 057 catch (Exception e) { 058 lastException = e; 059 if (throwException) { 060 throw e; 061 } 062 logger.error(e.getMessage()); 063 return null; 064 } 065 066 try { 067 result = super.afterInvocation(token, result); 068 } 069 catch (Exception e) { 070 lastException = e; 071 if (throwException) { 072 throw e; 073 } 074 logger.error(e.getMessage()); 075 return null; 076 } 077 078 return result; 079 } 080 081 /** 082 * For testing. 083 * @return the most recent exception, if any. 084 */ 085 /*package*/ Exception getLastException() { 086 return lastException; 087 } 088 089 /** 090 * Dependency injection for throw exception flag. 091 * @param throwException if <code>true</code> throw exceptions, otherwise just log 092 */ 093 public void setThrowException(final boolean throwException) { 094 this.throwException = throwException; 095 } 096 }