com.google.collide.clientlibs.vertx.VertxBusImpl.java Source code

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Here is the source code for com.google.collide.clientlibs.vertx.VertxBusImpl.java

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// Copyright 2012 Google Inc. 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 com.google.collide.clientlibs.vertx;

import com.google.gwt.core.client.JavaScriptObject;

/**
 * A GWT overlay object for the Vertx Event Bus.
 */
public class VertxBusImpl extends JavaScriptObject implements VertxBus {

    public static final native VertxBus create() /*-{
                                                 var url = window.location.protocol + '//' + window.location.hostname + ':' + window.location.port;
                                                 url += "/eventbus";
                                                 return new $wnd.vertx.EventBus(url);
                                                 }-*/;

    protected VertxBusImpl() {
    }

    @Override
    public final native void setOnOpenCallback(ConnectionListener callback) /*-{
                                                                            this.onopen = function() { 
                                                                            callback.@com.google.collide.clientlibs.vertx.VertxBus.ConnectionListener::onOpen()();
                                                                            }
                                                                            }-*/;

    @Override
    public final native void setOnCloseCallback(ConnectionListener callback) /*-{
                                                                             this.onclose = function() { 
                                                                             callback.@com.google.collide.clientlibs.vertx.VertxBus.ConnectionListener::onClose()();
                                                                             }
                                                                             }-*/;

    @Override
    public final void send(String address, String message) {
        send(address, message, null);
    }

    @Override
    public final native void send(String address, String message, ReplyHandler replyHandler) /*-{    
                                                                                             var replyHandlerWrapper;
                                                                                                 
                                                                                             if(replyHandler) {
                                                                                             replyHandlerWrapper = function(reply) {
                                                                                             replyHandler.@com.google.collide.clientlibs.vertx.VertxBus.ReplyHandler::onReply(Ljava/lang/String;)(reply.dto)
                                                                                             }
                                                                                             }
                                                                                                 
                                                                                             this.send(address, {dto: message}, replyHandlerWrapper);
                                                                                             }-*/;

    @Override
    public final native void close() /*-{
                                     this.close();
                                     }-*/;

    @Override
    public final native short getReadyState() /*-{
                                              return this.readyState();
                                              }-*/;

    @Override
    public final native void register(String address, MessageHandler handler) /*-{
                                                                              var handlerWrapper = function(message, replier) {
                                                                              handler.@com.google.collide.clientlibs.vertx.VertxBus.MessageHandler::onMessage(Ljava/lang/String;Lcom/google/collide/clientlibs/vertx/VertxBus$ReplySender;)
                                                                              (message.dto, replier)
                                                                              }
                                                                                  
                                                                              // Ghetto!
                                                                              handler.__unregisterRef = handlerWrapper;
                                                                              this.registerHandler(address, handlerWrapper);
                                                                              }-*/;

    @Override
    public final native void unregister(String address, MessageHandler handler) /*-{
                                                                                this.unregisterHandler(address, handler.__unregisterRef);
                                                                                }-*/;
}