| /* |
| * 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.axis2.jaxws.lifecycle; |
| |
| import org.apache.axis2.jaxws.i18n.Messages; |
| import org.apache.axis2.java.security.AccessController; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import javax.annotation.PostConstruct; |
| import javax.annotation.PreDestroy; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| import java.security.PrivilegedAction; |
| import java.security.PrivilegedExceptionAction; |
| import java.security.PrivilegedActionException; |
| |
| public abstract class BaseLifecycleManager { |
| |
| private static final Log log = LogFactory.getLog(BaseLifecycleManager.class); |
| |
| protected Object instance; |
| |
| public void invokePostConstruct() throws LifecycleException { |
| if (instance == null) { |
| throw new LifecycleException(Messages.getMessage("EndpointLifecycleManagerImplErr1")); |
| } |
| Method method = getPostConstructMethod(); |
| if (method != null) { |
| invokePostConstruct(method); |
| } |
| } |
| |
| protected void invokePostConstruct(final Method method) throws LifecycleException { |
| if (log.isDebugEnabled()) { |
| log.debug("Invoking Method with @PostConstruct annotation"); |
| } |
| /* |
| * As per JSR-250 pre destroy and post construct can be |
| * public, protected, private or default encapsulation. |
| * I will check and make sure the methods are accessible |
| * before we invoke them. |
| * |
| */ |
| |
| try { |
| AccessController.doPrivileged( |
| new PrivilegedExceptionAction() { |
| public Object run() throws InvocationTargetException, IllegalAccessException { |
| if(!method.isAccessible()){ |
| method.setAccessible(true); |
| } |
| return null; |
| } |
| } |
| ); |
| } catch (PrivilegedActionException e) { |
| throw new LifecycleException(e.getException()); |
| } |
| invokeMethod(method, null); |
| if (log.isDebugEnabled()) { |
| log.debug("Completed invoke on Method with @PostConstruct annotation"); |
| } |
| } |
| |
| public void invokePreDestroy() throws LifecycleException { |
| if (instance == null) { |
| throw new LifecycleException(Messages.getMessage("EndpointLifecycleManagerImplErr1")); |
| } |
| Method method = getPreDestroyMethod(); |
| if (method != null) { |
| invokePreDestroy(method); |
| } |
| } |
| |
| protected void invokePreDestroy(Method method) throws LifecycleException { |
| if (log.isDebugEnabled()) { |
| log.debug("Invoking Method with @PreDestroy annotation"); |
| } |
| invokeMethod(method, null); |
| if (log.isDebugEnabled()) { |
| log.debug("Completed invoke on Method with @PreDestroy annotation"); |
| } |
| } |
| |
| protected void invokeMethod(final Method m, final Object[] params) throws LifecycleException { |
| try { |
| AccessController.doPrivileged( |
| new PrivilegedExceptionAction() { |
| public Object run() throws InvocationTargetException, IllegalAccessException { |
| return m.invoke(instance, params); |
| } |
| } |
| ); |
| } catch (PrivilegedActionException e) { |
| throw new LifecycleException(e.getException()); |
| } |
| } |
| |
| protected Method getPostConstructMethod() { |
| // REVIEW: This method should not be called in performant situations. |
| // Plus the super class methods are not being considered |
| |
| //return Method with @PostConstruct Annotation. |
| if (instance != null) { |
| final Class endpointClazz = instance.getClass(); |
| Method[] methods = (Method[]) AccessController.doPrivileged( |
| new PrivilegedAction() { |
| public Object run() { |
| return endpointClazz.getMethods(); |
| } |
| } |
| ); |
| |
| for (Method method : methods) { |
| if (isPostConstruct(method)) { |
| return method; |
| } |
| } |
| } |
| return null; |
| } |
| |
| protected Method getPreDestroyMethod() { |
| // REVIEW: This method should not be called in performant situations. |
| // Plus the super class methods are not being considered |
| //return Method with @PreDestroy Annotation |
| if (instance != null) { |
| final Class endpointClazz = instance.getClass(); |
| Method[] methods = (Method[]) AccessController.doPrivileged( |
| new PrivilegedAction() { |
| public Object run() { |
| return endpointClazz.getMethods(); |
| } |
| } |
| ); |
| |
| for (Method method : methods) { |
| if (isPreDestroy(method)) { |
| return method; |
| } |
| } |
| } |
| return null; |
| } |
| |
| protected boolean isPostConstruct(final Method method) { |
| Annotation[] annotations = (Annotation[]) AccessController.doPrivileged( |
| new PrivilegedAction() { |
| public Object run() { |
| return method.getDeclaredAnnotations(); |
| } |
| } |
| ); |
| for (Annotation annotation : annotations) { |
| return PostConstruct.class.isAssignableFrom(annotation.annotationType()); |
| } |
| return false; |
| } |
| |
| protected boolean isPreDestroy(final Method method) { |
| Annotation[] annotations = (Annotation[]) AccessController.doPrivileged( |
| new PrivilegedAction() { |
| public Object run() { |
| return method.getDeclaredAnnotations(); |
| } |
| } |
| ); |
| for (Annotation annotation : annotations) { |
| return PreDestroy.class.isAssignableFrom(annotation.annotationType()); |
| } |
| return false; |
| } |
| |
| } |