/**
 *  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.geronimo.connector.outbound;

import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;

/**
 * @version $Rev$ $Date$
 */
public final class TxUtil {
    private TxUtil() {
    }

    public static Transaction getTransactionIfActive(TransactionManager transactionManager) {
        Transaction transaction = null;
        int status = Status.STATUS_NO_TRANSACTION;
        try {
            transaction = transactionManager.getTransaction();
            if (transaction != null) status = transaction.getStatus();
        } catch (SystemException ignored) {
        }

        if (transaction != null && status == Status.STATUS_ACTIVE || status == Status.STATUS_MARKED_ROLLBACK) {
            return transaction;
        }
        return null;
    }

    public static boolean isTransactionActive(TransactionManager transactionManager) {
        try {
            int status = transactionManager.getStatus();
            return status == Status.STATUS_ACTIVE || status == Status.STATUS_MARKED_ROLLBACK;
        } catch (SystemException ignored) {
            return false;
        }
    }

    public static boolean isActive(Transaction transaction) {
        try {
            int status = transaction.getStatus();
            return status == Status.STATUS_ACTIVE || status == Status.STATUS_MARKED_ROLLBACK;
        } catch (SystemException ignored) {
            return false;
        }
    }
}