com.cooksys.httpserver.HttpServerStarter.java Source code

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Here is the source code for com.cooksys.httpserver.HttpServerStarter.java

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package com.cooksys.httpserver;

import com.cooksys.postmaster.PostmasterModelSingleton;
import java.io.IOException;
import javafx.concurrent.Service;
import javafx.concurrent.Task;
import org.apache.http.protocol.HttpProcessor;
import org.apache.http.protocol.HttpProcessorBuilder;
import org.apache.http.protocol.HttpService;
import org.apache.http.protocol.ResponseConnControl;
import org.apache.http.protocol.ResponseContent;
import org.apache.http.protocol.ResponseDate;
import org.apache.http.protocol.ResponseServer;
import org.apache.http.protocol.UriHttpRequestHandlerMapper;

/**
 *
 * @author Tim Davidson
 * Wrapper for simple http server for javafx concurrency compatibility.  
 * Extends javafx.concurrent.Service - allows javafx to manage background task 
 * of accepting and handling incoming connections. 
 */
public class HttpServerStarter extends Service {

    PostmasterModelSingleton postmasterModel = PostmasterModelSingleton.getInstance();

    private RequestListenerThread serverThread;

    public void stop() {
        //cleanly stop the server thread
        serverThread.stopServer();
        this.cancel();
    }

    @Override
    protected Task createTask() {
        return new Task<Void>() {
            @Override
            protected Void call() throws Exception {
                // Set up the HTTP protocol processor
                HttpProcessor httpproc = HttpProcessorBuilder.create().add(new ResponseDate())
                        .add(new ResponseServer("PostMaster/1.1")).add(new ResponseContent())
                        .add(new ResponseConnControl()).build();

                // Set up request handlers
                UriHttpRequestHandlerMapper registry = new UriHttpRequestHandlerMapper();
                registry.register("*", new IncomingHttpHandler());

                // Set up the HTTP service that listens for incoming requests
                HttpService httpService = new HttpService(httpproc, registry);

                //RequestListenerThread extends the Thread class, but since we are
                //letting the concurrency handle background tasks, it would not 
                //make sense to spawn another thread inside this task, so we
                //will just call run() method instead of start()
                System.out.println("creating serverThread...");
                try {
                    serverThread = new RequestListenerThread(postmasterModel.getPort(), httpService);
                } catch (IOException e) {
                    System.out.println("Caught IOException:" + e.getMessage());
                    //end the server task
                    this.updateMessage(e.getMessage());
                    throw e;
                }
                System.out.println("serverThread created: " + serverThread);
                serverThread.run(); //the compiler will warn here, but we did this on purpose

                return null;
            }

            @Override
            protected void failed() {

            }
        };
    }

}