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110
portal-impl/src/com/liferay/portal/spring/aop/ServiceHookAdvice.java
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| /** | ||
| * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
|
|
||
| package com.liferay.portal.spring.aop; | ||
|
|
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| import com.liferay.portal.kernel.log.Log; | ||
| import com.liferay.portal.kernel.log.LogFactoryUtil; | ||
| import com.liferay.portal.kernel.util.InitialThreadLocal; | ||
|
|
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| import java.lang.reflect.InvocationTargetException; | ||
| import java.lang.reflect.Method; | ||
|
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| import java.util.Map; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
|
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| import org.aspectj.lang.ProceedingJoinPoint; | ||
| import org.aspectj.lang.reflect.MethodSignature; | ||
|
|
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| /** | ||
| * <a href="ServiceHookAdvice.java.html"><b><i>View Source</i></b></a> | ||
| * | ||
| * @author Brian Wing Shun Chan | ||
| */ | ||
| public class ServiceHookAdvice { | ||
|
|
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| public static Object getService(String className) { | ||
| return _services.get(className); | ||
| } | ||
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| public static void setService(String className, Object service) { | ||
| if (_log.isDebugEnabled()) { | ||
| if (service == null) { | ||
| _log.debug("Remove service hook " + className); | ||
| } | ||
| else { | ||
| _log.debug( | ||
| "Add service hook " + className + " " + | ||
| service.getClass().getName()); | ||
| } | ||
| } | ||
|
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| _services.put(className, service); | ||
| } | ||
|
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| public Object invoke(ProceedingJoinPoint proceedingJoinPoint) | ||
| throws Throwable { | ||
|
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| if (_immediatelyProceed.get()) { | ||
|
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| // If the thread local variable to immedately proceed is set to | ||
| // true, then immediately proceed to prevent an infinite loop | ||
|
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| _immediatelyProceed.set(Boolean.FALSE); | ||
|
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| return proceedingJoinPoint.proceed(); | ||
| } | ||
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| MethodSignature methodSignature = | ||
| (MethodSignature)proceedingJoinPoint.getSignature(); | ||
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| String className = methodSignature.getDeclaringTypeName(); | ||
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| Object service = _services.get(className); | ||
|
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| if (service == null) { | ||
| return proceedingJoinPoint.proceed(); | ||
| } | ||
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| _immediatelyProceed.set(Boolean.TRUE); | ||
|
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| try { | ||
| Method method = methodSignature.getMethod(); | ||
|
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| return method.invoke(service, proceedingJoinPoint.getArgs()); | ||
| } | ||
| catch (InvocationTargetException ite) { | ||
| throw ite.getTargetException(); | ||
| } | ||
| finally { | ||
| _immediatelyProceed.remove(); | ||
| } | ||
| } | ||
|
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| private static Log _log = LogFactoryUtil.getLog(ServiceHookAdvice.class); | ||
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| private static ThreadLocal<Boolean> _immediatelyProceed = | ||
| new InitialThreadLocal<Boolean>(Boolean.FALSE); | ||
| private static Map<String, Object> _services = | ||
| new ConcurrentHashMap<String, Object>(); | ||
|
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| } |