TouchClient.java

package uk.ac.cam.echo.TouchClient;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Paths;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.ListResourceBundle;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import javafx.application.Application;
import static javafx.application.Application.launch;
import javafx.application.Platform;
import javafx.event.EventHandler;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

/**
 *the main class that provides connections between classes and stores information about the Conference for both back and front ends to use 
 * 
 * @author Philip
 */
public class TouchClient extends Application {
    
    private String confrenceName = null;
    private String ip = null;
    private Integer port = null;
    private Integer confrenceID = null;
    private String url = null;
    private GUIController mGUI = null;
    private ServerConnection mServ = null;
    
    public TouchClient(){}
    
    /**
     * function loads the first gui to input the conference details
     * @param primaryStage the stage that the application runs in
     * @throws IOException if the FXML file cant be found
     */
    @Override
    public void start(final Stage primaryStage) throws IOException {
        System.setProperty("java.util.logging.config.file", "logging.properties");
        Logger.getGlobal().addHandler(new Handler(){
            private final SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
            private final File f = new File(Paths.get("").toAbsolutePath().toString()+"/TouchClientLog"+format.format(new Date(System.currentTimeMillis()))+".log" );
            private final BufferedWriter write = new BufferedWriter(new FileWriter(f));
            
            @Override
            public void publish(LogRecord record) {
                try {
                    write.append("["+record.getLevel().toString()+"] "+record.getMessage() );
                    write.newLine();
                    if(record.getThrown()!=null){
                        for (StackTraceElement l: record.getThrown().getStackTrace()){
                            write.append(l.toString());
                            write.newLine();
                        }
                    }
                    write.newLine();
                    write.newLine();
                    write.flush();
                } catch (IOException ex) {
                    System.err.println("there has been a problem writeing to files");
                }
            }

            @Override
            public void flush() {
                try {
                    write.flush();
                } catch (IOException ex) {
                    System.err.println("there has been a problem flushing files");
                }
            }

            @Override
            public void close() throws SecurityException {
                try {
                    write.close();
                } catch (IOException ex) {
                    System.err.println("there has been a problem colsing files");
                }
            }
        });
        ECHOResource echoresource = new ECHOResource(this); 
        Parent root = FXMLLoader.load(getClass().getResource("ConfrenceLoadScreen.fxml"),echoresource);
        
        Scene scene = new Scene(root);
        
        primaryStage.setTitle("ECHO GUI v2");
        primaryStage.setScene(scene);
        primaryStage.show();
        primaryStage.setOnCloseRequest(new EventHandler<WindowEvent>(){
            @Override
            public void handle(WindowEvent t) {
                killAllThreads();
                primaryStage.close();
                Runtime.getRuntime().exit(0);
            }
        });
    }
    
    private void killAllThreads() {
                try{
                    mServ.kill();
                }catch (NullPointerException e){
                    //Do nothing as this indicates the sever thred was never started
                }
            }
    
    public String getConfrenceName() throws NotInstantiatedYetException{
        if (confrenceName==null){
            throw new NotInstantiatedYetException();
        }else{
            return confrenceName;
        }
    }
    /**
     * to connect need ether this or the ip of the server
     * 
     * @return the url of the Conference if there is one
     * @throws NotInstantiatedYetException if it has not been set yet this exception is thrown
     */
    public String getConfrenceURL() throws NotInstantiatedYetException{
        if (url==null){
            throw new NotInstantiatedYetException();
        }else{
            return url;
        }
    }
    /**
     * to connect need this or the url of the server
     * 
     * @return the ip of the Conference if there is one
     * @throws NotInstantiatedYetException if i has not been set yet this exception is thrown
     */
    public String getConfrenceIP() throws NotInstantiatedYetException{
        if (ip==null){
            throw new NotInstantiatedYetException();
        }else{
            return ("http://").concat(ip.concat(Integer.toString(port)));
        }
    }
    
    public int getConfrenceID() throws NotInstantiatedYetException{
        if (confrenceID==null){
            throw new NotInstantiatedYetException();
        }else{
            return confrenceID.intValue();
        }
    }
    public GUIController getGUI() throws NotInstantiatedYetException{
        if (mGUI==null){
            throw new NotInstantiatedYetException();
        }else{
            return mGUI;
        }
    }
    
    /**
     * 
     * @param name the name of the Conference
     */
    public void setConfrenceName(String name){
        confrenceName = name;
    }
    /**
     * 
     * @param gui the guicontroller class must be given so the server connection can give it messages
     */
    public void setGUI(GUIController gui){
        mGUI=gui;
    }
    public void setConfrenceIP(String serverip){
        ip = serverip;
    }
    public void setConfrencePort(int serverport){
        port = Integer.valueOf(serverport);
    }
    public void setConfrenceID(int id){
        confrenceID = Integer.valueOf(id);
    }

    /**
     * The main() method is ignored in correctly deployed JavaFX application.
     * main() serves only as fallback in case the application can not be
     * launched through deployment artifacts, e.g., in IDEs with limited FX
     * support. NetBeans ignores main().
     *
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

    public void setConfrenceURL(String text) {
        url = text;
    }

    void exit(int errorCode, final String error) {
        
        Platform.runLater(new Runnable(){
            @Override
            public void run() {
                ListResourceBundle errorRB = new ErrorResourceBundle(error);
                Stage errorMessage = new Stage();
                Parent root = null;
                try {
                    root = FXMLLoader.load(getClass().getResource("ErrorMessagePopup.fxml"),errorRB);
                } catch (IOException ex) {
                    Logger.getGlobal().log(Level.SEVERE, null, ex);
                }
        
                Scene scene = new Scene(root);
                
                errorMessage.setTitle("ECHO Error Message");
                errorMessage.setScene(scene);
                errorMessage.show();
            }
        });
        
        System.err.println(error);
        //killAllThreads();
        //Runtime.getRuntime().exit(1);
    }

    void regesterServerConnection(ServerConnection sc) {
        mServ = sc;
    }
    
    ServerConnection getServerConnection(){
        return mServ;
    }
    
}