org.eclipse.flux.client.CallbackIDAwareMessageHandler.java Source code

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Here is the source code for org.eclipse.flux.client.CallbackIDAwareMessageHandler.java

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/*******************************************************************************
 * Copyright (c) 2014 Pivotal Software, Inc. and others.
 * All rights reserved. This program and the accompanying materials are made 
 * available under the terms of the Eclipse Public License v1.0 
 * (http://www.eclipse.org/legal/epl-v10.html), and the Eclipse Distribution 
 * License v1.0 (http://www.eclipse.org/org/documents/edl-v10.html). 
 *
 * Contributors:
 *     Pivotal Software, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.flux.client;

import org.json.JSONObject;

/**
 * @author Martin Lippert
 */
public abstract class CallbackIDAwareMessageHandler extends MessageHandler {

    private int expectedCallbackID;

    public CallbackIDAwareMessageHandler(String messageType, int callbackID) {
        super(messageType);
        this.expectedCallbackID = callbackID;
    }

    @Override
    public boolean canHandle(String messageType, JSONObject message) {
        return super.canHandle(messageType, message) && message.has("callback_id")
                && message.optInt("callback_id") == this.expectedCallbackID;
    }

}