Hibernate example source code file (JtaPlatformInitiator.java)

This example Hibernate source code file (JtaPlatformInitiator.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

class, class, exception, hibernateexception, jtaplatform, jtaplatform, jtaplatforminitiator, object, override, serviceregistryimplementor, serviceregistryimplementor, string, string, unable, util

The Hibernate JtaPlatformInitiator.java source code

/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2010, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.service.jta.platform.internal;

import java.util.Map;

import org.jboss.logging.Logger;

import org.hibernate.HibernateException;
import org.hibernate.cfg.AvailableSettings;
import org.hibernate.internal.CoreMessageLogger;
import org.hibernate.cfg.Environment;
import org.hibernate.internal.util.jndi.JndiHelper;
import org.hibernate.service.classloading.spi.ClassLoaderService;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.hibernate.service.jta.platform.spi.JtaPlatform;
import org.hibernate.service.jta.platform.spi.JtaPlatformException;
import org.hibernate.service.spi.BasicServiceInitiator;
import org.hibernate.transaction.TransactionManagerLookup;

/**
 * Standard initiator for the standard {@link org.hibernate.service.jta.platform.spi.JtaPlatform}
 *
 * @author Steve Ebersole
 */
public class JtaPlatformInitiator implements BasicServiceInitiator<JtaPlatform> {
	public static final JtaPlatformInitiator INSTANCE = new JtaPlatformInitiator();

	private static final CoreMessageLogger LOG = Logger.getMessageLogger(CoreMessageLogger.class, JtaPlatformInitiator.class.getName());

	@Override
	public Class<JtaPlatform> getServiceInitiated() {
		return JtaPlatform.class;
	}

	@Override
	@SuppressWarnings( {"unchecked"})
	public JtaPlatform initiateService(Map configurationValues, ServiceRegistryImplementor registry) {
		final Object platform = getConfiguredPlatform( configurationValues, registry );
		if ( platform == null ) {
			return new NoJtaPlatform();
		}

		if ( JtaPlatform.class.isInstance( platform ) ) {
			return (JtaPlatform) platform;
		}

		final Class<JtaPlatform> jtaPlatformImplClass;

		if ( Class.class.isInstance( platform ) ) {
			jtaPlatformImplClass = (Class<JtaPlatform>) platform;
		}
		else {
			final String platformImplName = platform.toString();
			final ClassLoaderService classLoaderService = registry.getService( ClassLoaderService.class );
			try {
				jtaPlatformImplClass = classLoaderService.classForName( platformImplName );
			}
			catch ( Exception e ) {
				throw new HibernateException( "Unable to locate specified JtaPlatform class [" + platformImplName + "]", e );
			}
		}

		try {
			return jtaPlatformImplClass.newInstance();
		}
		catch ( Exception e ) {
			throw new HibernateException( "Unable to create specified JtaPlatform class [" + jtaPlatformImplClass.getName() + "]", e );
		}
	}

	private Object getConfiguredPlatform(Map configVales, ServiceRegistryImplementor registry) {
		Object platform = configVales.get( AvailableSettings.JTA_PLATFORM );
		if ( platform == null ) {
			final String transactionManagerLookupImplName = (String) configVales.get( Environment.TRANSACTION_MANAGER_STRATEGY );
			if ( transactionManagerLookupImplName != null ) {
                LOG.deprecatedTransactionManagerStrategy(TransactionManagerLookup.class.getName(),
                                                         Environment.TRANSACTION_MANAGER_STRATEGY,
                                                         JtaPlatform.class.getName(),
                                                         AvailableSettings.JTA_PLATFORM);
				platform = mapLegacyClasses( transactionManagerLookupImplName, configVales, registry );
                LOG.debugf("Mapped %s -> %s", transactionManagerLookupImplName, platform);
			}
		}
		return platform;
	}

	private JtaPlatform mapLegacyClasses(String tmlImplName, Map configVales, ServiceRegistryImplementor registry) {
		if ( tmlImplName == null ) {
			return null;
		}

        LOG.legacyTransactionManagerStrategy(JtaPlatform.class.getName(), AvailableSettings.JTA_PLATFORM);

		if ( "org.hibernate.transaction.BESTransactionManagerLookup".equals( tmlImplName ) ) {
			return new BorlandEnterpriseServerJtaPlatform();
		}

		if ( "org.hibernate.transaction.BTMTransactionManagerLookup".equals( tmlImplName ) ) {
			return new BitronixJtaPlatform();
		}

		if ( "org.hibernate.transaction.JBossTransactionManagerLookup".equals( tmlImplName ) ) {
			return new JBossAppServerJtaPlatform();
		}

		if ( "org.hibernate.transaction.JBossTSStandaloneTransactionManagerLookup".equals( tmlImplName ) ) {
			return new JBossStandAloneJtaPlatform();
		}

		if ( "org.hibernate.transaction.JOnASTransactionManagerLookup".equals( tmlImplName ) ) {
			return new JOnASJtaPlatform();
		}

		if ( "org.hibernate.transaction.JOTMTransactionManagerLookup".equals( tmlImplName ) ) {
			return new JOTMJtaPlatform();
		}

		if ( "org.hibernate.transaction.JRun4TransactionManagerLookup".equals( tmlImplName ) ) {
			return new JRun4JtaPlatform();
		}

		if ( "org.hibernate.transaction.OC4JTransactionManagerLookup".equals( tmlImplName ) ) {
			return new OC4JJtaPlatform();
		}

		if ( "org.hibernate.transaction.OrionTransactionManagerLookup".equals( tmlImplName ) ) {
			return new OrionJtaPlatform();
		}

		if ( "org.hibernate.transaction.ResinTransactionManagerLookup".equals( tmlImplName ) ) {
			return new ResinJtaPlatform();
		}

		if ( "org.hibernate.transaction.SunONETransactionManagerLookup".equals( tmlImplName ) ) {
			return new SunOneJtaPlatform();
		}

		if ( "org.hibernate.transaction.WeblogicTransactionManagerLookup".equals( tmlImplName ) ) {
			return new WeblogicJtaPlatform();
		}

		if ( "org.hibernate.transaction.WebSphereTransactionManagerLookup".equals( tmlImplName ) ) {
			return new WebSphereJtaPlatform();
		}

		if ( "org.hibernate.transaction.WebSphereExtendedJTATransactionLookup".equals( tmlImplName ) ) {
			return new WebSphereExtendedJtaPlatform();
		}

		try {
			TransactionManagerLookup lookup = (TransactionManagerLookup) registry.getService( ClassLoaderService.class )
					.classForName( tmlImplName )
					.newInstance();
			return new TransactionManagerLookupBridge( lookup, JndiHelper.extractJndiProperties( configVales ) );
		}
		catch ( Exception e ) {
			throw new JtaPlatformException(
					"Unable to build " + TransactionManagerLookupBridge.class.getName() + " from specified " +
							TransactionManagerLookup.class.getName() + " implementation: " +
							tmlImplName
			);
		}
	}
}