org.coos.messaging.processor.LocalCoosAddressConverter Maven / Gradle / Ivy

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/**
 * COOS - Connected Objects Operating System (www.connectedobjects.org).
 *
 * Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 program.  If not, see .
 *
 * You may also contact one of the following for additional information:
 * Telenor ASA, Snaroyveien 30, N-1331 Fornebu, Norway (www.telenor.no)
 * Tellu AS, Hagalokkveien 13, N-1383 Asker, Norway (www.tellu.no)
 */
package org.coos.messaging.processor;

import org.coos.messaging.Message;
import org.coos.messaging.ProcessorException;
import org.coos.messaging.impl.DefaultProcessor;
import org.coos.messaging.routing.Router;
import org.coos.messaging.util.URIHelper;
import org.coos.messaging.util.UuidHelper;

/**
 * 
 * @author Knut Eilif Husa, Tellu AS Address translation between localcoos
 *         segment and "externally visible" segment
 */
public class LocalCoosAddressConverter extends DefaultProcessor {

	String coosInstanceName;

	public LocalCoosAddressConverter(String coosInstanceName) {
		super();
		this.coosInstanceName = coosInstanceName;
	}

	public void processMessage(Message msg) throws ProcessorException {
		// If the message is going from localcoos segment to other segment,
		// senderURI is changed to coosInstanceName+localcoos
		URIHelper helper = new URIHelper(msg.getSenderEndpointUri());
		if (UuidHelper.getSegment(helper.getEndpoint()).equals(Router.LOCAL_SEGMENT)) {
			helper
					.setEndpoint(UuidHelper.replaceSegment(helper.getEndpoint(), coosInstanceName
							+ Router.LOCAL_SEGMENT));
			msg.setSenderEndpointUri(helper.getEndpointUri());
		} else {
			// If the message is going to coosInstanceName+localcoos segment
			// from other segment, receiverURI is changed to localcoos
			helper = new URIHelper(msg.getReceiverEndpointUri());
			if (UuidHelper.getSegment(helper.getEndpoint()).endsWith(Router.LOCAL_SEGMENT)) {
				helper.setEndpoint(UuidHelper.replaceSegment(helper.getEndpoint(), Router.LOCAL_SEGMENT));
				msg.setReceiverEndpointUri(helper.getEndpointUri());
			}
		}
	}
}