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JtaTransactionManagerFactoryBean as an equivalent to <tx:jta-transaction-manager/> 

Issue: SPR-12197
This commit is contained in:
Juergen Hoeller 2014-09-30 20:14:51 +02:00
parent 6f1acdd561
commit fcb9dd1939
2 changed files with 105 additions and 30 deletions
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37
spring-tx/src/main/java/org/springframework/transaction/config/JtaTransactionManagerBeanDefinitionParser.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -21,46 +21,23 @@ import org.w3c.dom.Element;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.xml.AbstractSingleBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.util.ClassUtils;
/**
* Parser for the &lt;tx:jta-transaction-manager/&gt; element,
* autodetecting BEA WebLogic and IBM WebSphere.
* Parser for the &lt;tx:jta-transaction-manager/&gt; XML configuration element,
* autodetecting WebLogic and WebSphere servers and exposing the corresponding
* {@link org.springframework.transaction.jta.JtaTransactionManager} subclass.
*
* @author Juergen Hoeller
* @author Christian Dupuis
* @since 2.5
* @see org.springframework.transaction.jta.WebLogicJtaTransactionManager
* @see org.springframework.transaction.jta.WebSphereUowTransactionManager
*/
public class JtaTransactionManagerBeanDefinitionParser extends AbstractSingleBeanDefinitionParser {
private static final String WEBLOGIC_JTA_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.WebLogicJtaTransactionManager";
private static final String WEBSPHERE_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.WebSphereUowTransactionManager";
private static final String JTA_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.JtaTransactionManager";
private static final boolean weblogicPresent = ClassUtils.isPresent(
"weblogic.transaction.UserTransaction", JtaTransactionManagerBeanDefinitionParser.class.getClassLoader());
private static final boolean webspherePresent = ClassUtils.isPresent(
"com.ibm.wsspi.uow.UOWManager", JtaTransactionManagerBeanDefinitionParser.class.getClassLoader());
@Override
protected String getBeanClassName(Element element) {
if (weblogicPresent) {
return WEBLOGIC_JTA_TRANSACTION_MANAGER_CLASS_NAME;
}
else if (webspherePresent) {
return WEBSPHERE_TRANSACTION_MANAGER_CLASS_NAME;
}
else {
return JTA_TRANSACTION_MANAGER_CLASS_NAME;
}
return JtaTransactionManagerFactoryBean.resolveJtaTransactionManagerClassName();
}
@Override

98
spring-tx/src/main/java/org/springframework/transaction/config/JtaTransactionManagerFactoryBean.java Normal file
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@ -0,0 +1,98 @@
/*
* Copyright 2002-2014 the original author or authors.
*
* Licensed 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.springframework.transaction.config;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.transaction.jta.JtaTransactionManager;
import org.springframework.util.ClassUtils;
/**
* A {@link FactoryBean} equivalent to the &lt;tx:jta-transaction-manager/&gt; XML element,
* autodetecting WebLogic and WebSphere servers and exposing the corresponding
* {@link org.springframework.transaction.jta.JtaTransactionManager} subclass.
*
* @author Juergen Hoeller
* @since 4.1.1
* @see org.springframework.transaction.jta.WebLogicJtaTransactionManager
* @see org.springframework.transaction.jta.WebSphereUowTransactionManager
*/
public class JtaTransactionManagerFactoryBean implements FactoryBean<JtaTransactionManager> {
private static final String WEBLOGIC_JTA_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.WebLogicJtaTransactionManager";
private static final String WEBSPHERE_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.WebSphereUowTransactionManager";
private static final String JTA_TRANSACTION_MANAGER_CLASS_NAME =
"org.springframework.transaction.jta.JtaTransactionManager";
private static final boolean weblogicPresent = ClassUtils.isPresent(
"weblogic.transaction.UserTransaction", JtaTransactionManagerFactoryBean.class.getClassLoader());
private static final boolean webspherePresent = ClassUtils.isPresent(
"com.ibm.wsspi.uow.UOWManager", JtaTransactionManagerFactoryBean.class.getClassLoader());
private final JtaTransactionManager transactionManager;
@SuppressWarnings("unchecked")
public JtaTransactionManagerFactoryBean() {
String className = resolveJtaTransactionManagerClassName();
try {
Class<? extends JtaTransactionManager> clazz = (Class<? extends JtaTransactionManager>)
JtaTransactionManagerFactoryBean.class.getClassLoader().loadClass(className);
this.transactionManager = BeanUtils.instantiate(clazz);
}
catch (ClassNotFoundException ex) {
throw new IllegalStateException("Failed to load JtaTransactionManager class: " + className, ex);
}
}
@Override
public JtaTransactionManager getObject() {
return this.transactionManager;
}
@Override
public Class<?> getObjectType() {
return (this.transactionManager != null ? this.transactionManager.getClass() : JtaTransactionManager.class);
}
@Override
public boolean isSingleton() {
return true;
}
static String resolveJtaTransactionManagerClassName() {
if (weblogicPresent) {
return WEBLOGIC_JTA_TRANSACTION_MANAGER_CLASS_NAME;
}
else if (webspherePresent) {
return WEBSPHERE_TRANSACTION_MANAGER_CLASS_NAME;
}
else {
return JTA_TRANSACTION_MANAGER_CLASS_NAME;
}
}
}