nats.client.DefaultMessage.java Source code

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Here is the source code for nats.client.DefaultMessage.java

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/*
 *   Copyright (c) 2013 Mike Heath.  All rights reserved.
 *
 *   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 nats.client;

import io.netty.buffer.ByteBuf;

import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.concurrent.TimeUnit;

/**
 * Provides a default implementation of the {@link Message} interface.
 *
 * @author Mike Heath <elcapo@gmail.com>
 */
public class DefaultMessage implements Message {
    private final static Charset UTF8 = Charset.forName("utf-8");
    private final String subject;
    private final ByteBuf body;
    private final String queueGroup;
    private final boolean isRequest;

    public DefaultMessage(String subject, ByteBuf body, String queueGroup, boolean request) {
        this.subject = subject;
        this.body = body;
        body.markReaderIndex();
        this.queueGroup = queueGroup;
        isRequest = request;
    }

    @Override
    public boolean isRequest() {
        return isRequest;
    }

    @Override
    public String getSubject() {
        return subject;
    }

    public String getQueueGroup() {
        return queueGroup;
    }

    @Override
    public String getBodyAsString() {
        synchronized (body) {
            body.resetReaderIndex();
            return body.toString(UTF8);
        }
    }

    @Override
    public ByteBuffer getBodyAsBytes() {
        synchronized (body) {
            body.resetReaderIndex();
            return body.nioBuffer();
        }
    }

    @Override
    public void reply(String body) throws UnsupportedOperationException {
        throw new UnsupportedOperationException();
    }

    @Override
    public void reply(String body, long delay, TimeUnit timeUnit) throws UnsupportedOperationException {
        throw new UnsupportedOperationException();
    }

    @Override
    public String toString() {
        return "DefaultMessage{" + "subject='" + subject + '\'' + ", body='" + body + '\'' + ", queueGroup='"
                + queueGroup + '\'' + ", isRequest=" + isRequest + '}';
    }
}