package tinystruct.examples;

import java.io.IOException;

import java.util.Collections;

import java.util.HashMap;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.tinystruct.AbstractApplication;

import org.tinystruct.system.util.StringUtilities;

public class tinyeditor extends AbstractApplication {

private final Map<String, String> map = Collections.synchronizedMap(new HashMap<String, String>());

@Override

public void init() {

// TODO Auto-generated method stub

this.setAction("tinyeditor", "index");

this.setAction("tinyeditor/update", "update");

this.setAction("tinyeditor/save", "save");

this.setAction("tinyeditor/version", "version");

}

public tinyeditor index(){

return this;

}

public void update() throws InterruptedException, IOException {

HttpServletResponse response = (HttpServletResponse) this.context

.getAttribute("HTTP_RESPONSE");

synchronized(this.map) {

while (true) {

this.map.wait();

if(this.map.containsKey("textvalue")) {

System.out.println(this.getVariable("browser").getValue().toString()+":"+this.map.get("textvalue"));

response.getWriter().println(

"<script charset=\"utf-8\"> var message = '" + new StringUtilities(this.map.get("textvalue")).replace('\n', "\\n")

+ "';parent.update(message);</script>");

response.getWriter().flush();

}

}

}

}

public boolean save() {

HttpServletRequest request = (HttpServletRequest) this.context

.getAttribute("HTTP_REQUEST");

synchronized(this.map){

String[] agent = request.getHeader("User-Agent").split(" ");

this.setVariable("browser", agent[agent.length-1]);

this.map.put("textvalue", request.getParameter("text"));

if(this.map.containsKey("textvalue")) this.map.remove("textvalue");

this.map.notify();

}

return true;

}

@Override

public String version() {

// TODO Auto-generated method stub

return "Welcome to use tinystruct 2.0";

}

}