com.goodow.realtime.html.SockJS.java Source code

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Here is the source code for com.goodow.realtime.html.SockJS.java

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/*
 * Copyright 2013 Goodow.com
 * 
 * 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.goodow.realtime.html;

import com.goodow.realtime.channel.State;
import com.goodow.realtime.core.WebSocket;
import com.goodow.realtime.json.JsonObject;

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

/**
 * SockJS implementation of {@link WebSocket}.
 */
final class SockJS extends JavaScriptObject implements WebSocket {

    // @formatter:off
    public static native WebSocket create(String url, Object _reserved, JsonObject options) /*-{
                                                                                            return new $wnd.SockJS(url, _reserved, options);
                                                                                            }-*/;

    protected SockJS() {
    }

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

    @Override
    public State getReadyState() {
        return State.values()[nativeGetReadyState()];
    }

    @Override
    public native void send(String data) /*-{
                                         this.send(data);
                                         }-*/;

    @Override
    public native void setListen(WebSocketHandler handler) /*-{
                                                           if (!handler) {
                                                           this.onopen = null;
                                                           this.onclose = null;
                                                           this.onmessage = null;
                                                           this.onerror = null;
                                                           return;
                                                           }
                                                               
                                                           this.onopen = function(e) {
                                                           handler.@com.goodow.realtime.core.WebSocket.WebSocketHandler::onOpen()();
                                                           };
                                                           this.onclose = function(e) {
                                                           handler.@com.goodow.realtime.core.WebSocket.WebSocketHandler::onClose(Lcom/goodow/realtime/json/JsonObject;)(e);
                                                           };
                                                           this.onmessage = function(e) {
                                                           handler.@com.goodow.realtime.core.WebSocket.WebSocketHandler::onMessage(Ljava/lang/String;)(e.data);
                                                           };
                                                           this.onerror = function(e) {
                                                           handler.@com.goodow.realtime.core.WebSocket.WebSocketHandler::onError(Ljava/lang/String;)(e);
                                                           };
                                                           }-*/;

    private native int nativeGetReadyState() /*-{
                                             return this.readyState;
                                             }-*/;
    // @formatter:on

}