| /* |
| * |
| * 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.qpid.ra.tm; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import javax.transaction.TransactionManager; |
| |
| /** |
| */ |
| public class JBossTransactionManagerLocator |
| { |
| private final String LOCATOR = "org.jboss.tm.TransactionManagerLocator" ; |
| |
| public TransactionManager getTm() |
| throws SecurityException, IllegalArgumentException, IllegalAccessException, InvocationTargetException, NoSuchMethodException |
| { |
| final ClassLoader classLoader = Thread.currentThread().getContextClassLoader() ; |
| final Class<?> locatorClass ; |
| try |
| { |
| locatorClass = classLoader.loadClass(LOCATOR) ; |
| } |
| catch (final ClassNotFoundException cnfe) |
| { |
| return null ; |
| } |
| |
| Method instanceMethod = null ; |
| try |
| { |
| instanceMethod = locatorClass.getMethod("getInstance") ; |
| } |
| catch (final NoSuchMethodException nsme) {} // ignore |
| |
| final Object instance ; |
| final String locatorMethodName ; |
| if (instanceMethod != null) |
| { |
| instance = instanceMethod.invoke(null) ; |
| locatorMethodName = "locate" ; |
| } |
| else |
| { |
| instance = null ; |
| locatorMethodName = "locateTransactionManager" ; |
| } |
| final Method locatorMethod = locatorClass.getMethod(locatorMethodName) ; |
| return (TransactionManager) locatorMethod.invoke(instance) ; |
| } |
| } |