让jslinux可以实现两个浏览器数据互通。
效果图
原理：
jslinux已经实现了/dev/clipboard与浏览器的textarea的联通，
利用datachannel把两个浏览器的textarea交互，实现jslinux之间的数据交互
增加room概念，进入同一个room的两个页面才可以互相通信
要求tomcat7.0.62
java代码，java的websocket使给datachannel建立连接.
package com.hao;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.CharBuffer;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.catalina.websocket.MessageInbound;
import org.apache.catalina.websocket.StreamInbound;
import org.apache.catalina.websocket.WebSocketServlet;
import org.apache.catalina.websocket.WsOutbound;
public class RoomWebSocketServlet extends WebSocketServlet {
public static Map slist = new HashMap();
protected StreamInbound createWebSocketInbound(String subProtocol,
HttpServletRequest request) {
System.out.println("room:"+request.getParameter("r"));
String arg="0";
if(null!=request.getParameter("r")){
arg=request.getParameter("r");
}
return new MyMessageInbound(arg);
}
public int getUserCount() {
return slist.size();
}
private class MyMessageInbound extends MessageInbound {
WsOutbound myoutbound;
String mykey;
String room;
public MyMessageInbound(String room){
this.room=room;
}
@Override
public void onOpen(WsOutbound outbound) {
try {
System.out.println("websocket Client open.");
this.myoutbound = outbound;
mykey = "" + System.currentTimeMillis();
slist.put(room+"::"+mykey, this);
System.out.println("slist size:" + slist.size());
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onClose(int status) {
System.out.println("websocket Close."+mykey);
slist.remove(mykey);
}
@Override
protected void onTextMessage(CharBuffer message) throws IOException {
System.out.println("onTextMessage-------->");
for (Map.Entry entry : slist.entrySet()) {
String socketroom=entry.getKey().split("::")[0];
String socketkey=entry.getKey().split("::")[1];
if(this.room.equals(socketroom)&&!this.mykey.equals(socketkey)){//向room相同但是不是当前websocket发送消息
System.out.println("-------->" + message.toString());
System.out.println("--->socketroom:"+socketroom+",socketkey:"+socketkey);
MyMessageInbound mmib = (MyMessageInbound) entry.getValue();
CharBuffer buffer = CharBuffer.wrap(message);
mmib.myoutbound.writeTextMessage(buffer);
mmib.myoutbound.flush();
}
}
}
@Override
protected void onBinaryMessage(ByteBuffer arg0) throws IOException {
}
}
}
web.xml中：
配置websocket的servlet
room com.hao.RoomWebSocketServlet room /hao/room
jslinux中的index修改
加入datachannel和