/*
* Copyright 2014 Red Hat, Inc. and/or its affiliates.
*
* 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 org.dashbuilder.backend.command;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
import javax.annotation.PostConstruct;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.inject.Inject;
import org.dashbuilder.config.Config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.uberfire.commons.services.cdi.Startup;
/**
* This class receives string commands from a TCP socket and transform such commend into CDI event instances
* to be consumed by server side components/services.
*/
@ApplicationScoped
@Startup
public class CommandServer implements Runnable {
private static Logger log = LoggerFactory.getLogger(CommandServer.class);
@Inject @Config("10000")
private int portNumber;
@Inject
private Event<CommandEvent> commandEvent;
private Thread serverSocketThread = new Thread(this);
@PostConstruct
private void init() {
serverSocketThread.start();
}
public void run() {
try {
ServerSocket serverSocket = new ServerSocket(portNumber);
Socket clientSocket = serverSocket.accept();
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
String commandStr;
while ((commandStr = in.readLine()) != null) {
commandEvent.fire(new CommandEvent(commandStr));
out.println(">>> " + commandStr + " [OK]");
}
} catch (Exception e) {
log.error("Command server error", e);
}
}
}