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/*
 * Copyright 2012-2018 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.boot.autoconfigure.transaction.jta;

import java.io.File;

import javax.jms.Message;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;

import com.arjuna.ats.arjuna.recovery.RecoveryManager;
import com.arjuna.ats.jbossatx.jta.RecoveryManagerService;
import org.jboss.narayana.jta.jms.TransactionHelper;
import org.jboss.tm.XAResourceRecoveryRegistry;

import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.transaction.TransactionManagerCustomizers;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.jdbc.XADataSourceWrapper;
import org.springframework.boot.jms.XAConnectionFactoryWrapper;
import org.springframework.boot.jta.narayana.NarayanaBeanFactoryPostProcessor;
import org.springframework.boot.jta.narayana.NarayanaConfigurationBean;
import org.springframework.boot.jta.narayana.NarayanaProperties;
import org.springframework.boot.jta.narayana.NarayanaRecoveryManagerBean;
import org.springframework.boot.jta.narayana.NarayanaXAConnectionFactoryWrapper;
import org.springframework.boot.jta.narayana.NarayanaXADataSourceWrapper;
import org.springframework.boot.system.ApplicationHome;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.jta.JtaTransactionManager;
import org.springframework.util.StringUtils;

/**
 * JTA Configuration for Narayana.
 *
 * @author Gytis Trikleris
 * @author Kazuki Shimizu
 * @since 1.4.0
 */
@Configuration
@ConditionalOnClass({ JtaTransactionManager.class,
		com.arjuna.ats.jta.UserTransaction.class, XAResourceRecoveryRegistry.class })
@ConditionalOnMissingBean(PlatformTransactionManager.class)
@EnableConfigurationProperties(JtaProperties.class)
public class NarayanaJtaConfiguration {

	private final JtaProperties jtaProperties;

	private final TransactionManagerCustomizers transactionManagerCustomizers;

	public NarayanaJtaConfiguration(JtaProperties jtaProperties,
			ObjectProvider transactionManagerCustomizers) {
		this.jtaProperties = jtaProperties;
		this.transactionManagerCustomizers = transactionManagerCustomizers
				.getIfAvailable();
	}

	@Bean
	@ConditionalOnMissingBean
	public NarayanaProperties narayanaProperties() {
		return new NarayanaProperties();
	}

	@Bean
	@ConditionalOnMissingBean
	public NarayanaConfigurationBean narayanaConfiguration(
			NarayanaProperties properties) {
		properties.setLogDir(getLogDir().getAbsolutePath());
		if (this.jtaProperties.getTransactionManagerId() != null) {
			properties.setTransactionManagerId(
					this.jtaProperties.getTransactionManagerId());
		}
		return new NarayanaConfigurationBean(properties);
	}

	private File getLogDir() {
		if (StringUtils.hasLength(this.jtaProperties.getLogDir())) {
			return new File(this.jtaProperties.getLogDir());
		}
		File home = new ApplicationHome().getDir();
		return new File(home, "transaction-logs");
	}

	@Bean
	@DependsOn("narayanaConfiguration")
	@ConditionalOnMissingBean
	public UserTransaction narayanaUserTransaction() {
		return com.arjuna.ats.jta.UserTransaction.userTransaction();
	}

	@Bean
	@DependsOn("narayanaConfiguration")
	@ConditionalOnMissingBean
	public TransactionManager narayanaTransactionManager() {
		return com.arjuna.ats.jta.TransactionManager.transactionManager();
	}

	@Bean
	@DependsOn("narayanaConfiguration")
	public RecoveryManagerService narayanaRecoveryManagerService() {
		RecoveryManager.delayRecoveryManagerThread();
		return new RecoveryManagerService();
	}

	@Bean
	@ConditionalOnMissingBean
	public NarayanaRecoveryManagerBean narayanaRecoveryManager(
			RecoveryManagerService recoveryManagerService) {
		return new NarayanaRecoveryManagerBean(recoveryManagerService);
	}

	@Bean
	public JtaTransactionManager transactionManager(UserTransaction userTransaction,
			TransactionManager transactionManager) {
		JtaTransactionManager jtaTransactionManager = new JtaTransactionManager(
				userTransaction, transactionManager);
		if (this.transactionManagerCustomizers != null) {
			this.transactionManagerCustomizers.customize(jtaTransactionManager);
		}
		return jtaTransactionManager;
	}

	@Bean
	@ConditionalOnMissingBean
	public XADataSourceWrapper xaDataSourceWrapper(
			NarayanaRecoveryManagerBean narayanaRecoveryManagerBean,
			NarayanaProperties narayanaProperties) {
		return new NarayanaXADataSourceWrapper(narayanaRecoveryManagerBean,
				narayanaProperties);
	}

	@Bean
	@ConditionalOnMissingBean
	public static NarayanaBeanFactoryPostProcessor narayanaBeanFactoryPostProcessor() {
		return new NarayanaBeanFactoryPostProcessor();
	}

	@Configuration
	@ConditionalOnClass({ Message.class, TransactionHelper.class })
	static class NarayanaJtaJmsConfiguration {

		@Bean
		@ConditionalOnMissingBean(XAConnectionFactoryWrapper.class)
		public NarayanaXAConnectionFactoryWrapper xaConnectionFactoryWrapper(
				TransactionManager transactionManager,
				NarayanaRecoveryManagerBean narayanaRecoveryManagerBean,
				NarayanaProperties narayanaProperties) {
			return new NarayanaXAConnectionFactoryWrapper(transactionManager,
					narayanaRecoveryManagerBean, narayanaProperties);
		}

	}

}