com.swiftmq.jms.QueueImpl Maven / Gradle / Ivy

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/*
 * Copyright 2019 IIT Software GmbH
 *
 * IIT Software GmbH 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 com.swiftmq.jms;

import com.swiftmq.jndi.SwiftMQObjectFactory;
import com.swiftmq.tools.util.LazyUTF8String;

import javax.jms.JMSException;
import javax.jms.Queue;
import javax.naming.NamingException;
import javax.naming.Reference;
import javax.naming.Referenceable;
import javax.naming.StringRefAddr;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.Serializable;

/**
 * Implementation of a Queue.
 *
 * @author IIT GmbH, Bremen/Germany, Copyright (c) 2000-2002, All Rights Reserved
 */
public class QueueImpl implements Queue, Referenceable, Serializable, DestinationImpl {
    LazyUTF8String queueName = null;

    /**
     * Creates a new QueueImpl.
     *
     * @param queueName queue name.
     */
    public QueueImpl(String queueName) {
        setQueueName(queueName);
    }

    /**
     * Creates a new QueueImpl.
     */
    public QueueImpl() {
    }

    public Reference getReference() throws NamingException {
        return new Reference(QueueImpl.class.getName(),
                new StringRefAddr("queueName", queueName != null ? queueName.getString() : null),
                SwiftMQObjectFactory.class.getName(),
                null);
    }

    public void unfoldBuffers() {
        if (queueName != null)
            queueName.getString(true);
    }

    public int getType() {
        return DestinationFactory.TYPE_QUEUE;
    }

    public void writeContent(DataOutput out) throws IOException {
        queueName.writeContent(out);
    }

    public void readContent(DataInput in) throws IOException {
        queueName = new LazyUTF8String(in);
    }

    /**
     * Get the name of this queue.
     * 
     * Clients that depend upon the name, are not portable.
     *
     * @return the queue name
     * @throws JMSException if JMS implementation for Queue fails to
     *                      to return queue name due to some internal
     *                      error.
     */
    public String getQueueName() throws JMSException {
        return queueName != null ? queueName.getString() : null;
    }

    /**
     * Set the queue name.
     *
     * @param queueName queue name.
     */
    public void setQueueName(String queueName) {
        this.queueName = queueName != null ? new LazyUTF8String(queueName) : null;
    }

    /**
     * Return a pretty printed version of the queue name
     *
     * @return the provider specific identity values for this queue.
     */
    public String toString() {
        return queueName != null ? queueName.getString() : null;
    }
}