personalselectwindow.java

来自「《移动Agent技术》一书的所有章节源代码。」· Java 代码 · 共 323 行

/* PersonalSelectWindow.java
 * $Id: PersonalSelectWindow.java,v 2.4 1997-11-19 19:22:41+09 ht Exp $
 * $Name: alpha5_1-release $
 */

package com.ibm.acl.kqmlsample.travel;

import com.ibm.acl.kqml.*;

import java.lang.*;
import java.util.*;
import java.awt.*;
import java.awt.image.*;
import java.io.*;

/**
 * PersonalSelectWindow shows the result of the air flight plan.
 * It's created by PersonalAssist object.
 *
 * @version     $Revision: 2.4 $ $Date: 1997-11-19 19:22:41+09 $
 * @author      Osamu Furusawa
 * @author      Hajime Tsuchitani
 */
public class PersonalSelectWindow extends Frame {

private static final String rcsid = "$Id: PersonalSelectWindow.java,v 2.4 1997-11-19 19:22:41+09 ht Exp $ $Name: alpha5_1-release $";

    private PersonalAssist    agent;

    private Button    button1st = new Button("subscribe");
    private Button    button2nd = new Button("subscribe");
    private Button    button3rd = new Button("subscribe");

    private TextArea text1st = new TextArea(4,30); 
    private TextArea text2nd = new TextArea(4,30);
    private TextArea text3rd = new TextArea(4,30);

    private   Button     close        = new Button("Close");

    private KQMLManager kManager;

    private String travelBroker;

    private String localHost;

    private Vector flightsInfo;
    /**
     * Constructor
     *
     * @param agent PersonalAssitAgent 
     * @param flightsInfo the result of the flight plan
     */
    public  PersonalSelectWindow(PersonalAssist agent, Vector flights) {
        super("Flight Plan Result");

	this.agent = agent;
	kManager = agent.getKQMLManager();
	travelBroker = agent.getTravelBroker();
	localHost = agent.getLocalHost();

	flightsInfo = flights;

        // title label
        Label titleLabel = new Label("Flight Plan Schedule");
        titleLabel.setFont(new Font("Helvetica", Font.BOLD, 36));
        titleLabel.setForeground(new Color(60, 170, 60)); //  green
        Panel titlePanel = new Panel();
        titlePanel.add(titleLabel);
        titlePanel.setBackground(Color.white);

        // Panel 1 -------------------------------
        Panel panel1 = new Panel();
        panel1.setLayout(new GridBagLayout());
        panel1.setBackground(Color.white);
        button1st.setFont(new Font("SanSerif", Font.BOLD, 13));
        text1st.setFont(new Font("SanSerif", Font.BOLD, 13));
        constrain(panel1, button1st,0,0,1,1, GridBagConstraints.NONE,
                  GridBagConstraints.CENTER, 0.0, 0.0, 5, 5, 5, 5);
        constrain(panel1, text1st,1,0,1,4, GridBagConstraints.BOTH,
                  GridBagConstraints.CENTER, 1.0, 1.0, 5, 5, 5, 5);
                  
        // Panel 1 -------------------------------
        Panel panel2 = new Panel();
        panel2.setLayout(new GridBagLayout());
        panel2.setBackground(Color.white);
        button2nd.setFont(new Font("SanSerif", Font.BOLD, 13));
        text2nd.setFont(new Font("SanSerif", Font.BOLD, 13));
        constrain(panel2, button2nd,0,1,1,1, GridBagConstraints.NONE,
                  GridBagConstraints.CENTER, 0.0, 0.0, 5, 5, 5, 5);
        constrain(panel2, text2nd,1,1,1,4, GridBagConstraints.BOTH,
                  GridBagConstraints.CENTER, 1.0, 1.0, 5, 5, 5, 5);

        Panel panel3 = new Panel();
        panel3.setLayout(new GridBagLayout());
        panel3.setBackground(Color.white);
        button3rd.setFont(new Font("SanSerif", Font.BOLD, 13));
        text3rd.setFont(new Font("SanSerif", Font.BOLD, 13));
        constrain(panel3, button3rd,0,2,1,1, GridBagConstraints.NONE,
                  GridBagConstraints.CENTER, 0.0, 0.0, 5, 5, 5, 5);
        constrain(panel3, text3rd,1,2,1,4, GridBagConstraints.BOTH,
                  GridBagConstraints.CENTER, 1.0, 1.0, 5, 5, 5, 5);

        Panel buttonPanel = new Panel();
        buttonPanel.setLayout(new GridBagLayout());
        buttonPanel.setBackground(Color.white);
        close.setFont(new Font("Courier", Font.BOLD, 13));
        constrain(buttonPanel, close, 0,0,1,1,GridBagConstraints.NONE,
                  GridBagConstraints.CENTER, 0.3, 0.0, 0,0,0,0);

        //setLayout(new GridLayout(5,1));
        //add(titlePanel);
        //add(panel1);
        //add(panel2);
        //add(panel3);
        //add(buttonPanel);

        setLayout(new GridBagLayout());
        setBackground(Color.white);
        constrain(this, titlePanel,0,0,1,1, GridBagConstraints.NONE,
                  GridBagConstraints.CENTER, 0.0, 0.0, 1, 1, 1, 1);
        constrain(this, panel1,0,1,1,2, GridBagConstraints.BOTH,
                  GridBagConstraints.NORTHWEST, 1.0, 1.0, 1, 1, 1, 1);
        constrain(this, panel2,0,3,1,2, GridBagConstraints.BOTH,
                  GridBagConstraints.NORTHWEST, 1.0, 1.0, 1, 1, 1, 1);
        constrain(this, panel3,0,5,1,2, GridBagConstraints.BOTH,
                  GridBagConstraints.NORTHWEST, 1.0, 1.0, 1, 1, 1, 1); 
        constrain(this, buttonPanel,0,7,1,1, GridBagConstraints.HORIZONTAL,
                  GridBagConstraints.CENTER, 0.0, 0.0, 10, 0, 10,0);


	// show result.
	// only top 3 results is shown.
        int tablesize = flightsInfo.size();
	StringBuffer[] strbuf = new StringBuffer[3];
	for ( int i = 0 ; (i < tablesize) && (i < 3) ; i++ ) {
	    	strbuf[i] = new StringBuffer();
       	    	FlightInfo flightInfo = (FlightInfo) flightsInfo.elementAt(i);
	    	strbuf[i].append(
		              "Carrier:" + flightInfo.getCarrier() +
			      " Flight:" + flightInfo.getFlight()      +"\n"+ 
			      "Departure:" + flightInfo.getDeparture() +"\n"+
			      "Arrival:" + flightInfo.getArrival()     +"\n"+
			      "DeptTime : " + flightInfo.getDeptTime()
			      );
		print("value " + strbuf[i]);
	}

	if ( null != strbuf[0] )
	    text1st.setText(strbuf[0].toString());
	if ( null != strbuf[1] )
	    text2nd.setText(strbuf[1].toString());
	if ( null != strbuf[2] )
	    text3rd.setText(strbuf[2].toString());

        setSize(520,450);
        //pack();
	show();
   }
   

    /**
     * action on Button
     *
     * @param e event
     * @param o object
     */
    public boolean action(Event e, Object o) {

        if (e.target instanceof Button) {
            FlightInfo finfo;
            try {
                if (e.target == button1st) {
                    print("pushed 1go");
                    if ( null != ( finfo = (FlightInfo) flightsInfo.elementAt(0)));
                        sendRecruitOne(text1st, finfo);
                    return true;
                } else if (e.target == button2nd) {
                    print("pushed 2go");
                    if ( null != ( finfo = (FlightInfo) flightsInfo.elementAt(1)));
                        sendRecruitOne(text2nd, finfo);
                    return true;
                } else if (e.target == button3rd) {
                    print("pushed 3go");
                    if ( null != ( finfo = (FlightInfo) flightsInfo.elementAt(2)));
                        sendRecruitOne(text3rd, finfo);
                    return true;
                } else if (e.target == close) {
                    dispose();
//                  System.exit(0);
                }
            } catch (ArrayIndexOutOfBoundsException ex) {
            }
        } else if (e.target instanceof Choice) {
            print("select Choice");
        }
        return super.action(e, o);
    }


    /**
     * handle event
     *
     * @param e event
     */
    public boolean handleEvent(Event e) {
        if (e.id == Event.WINDOW_DESTROY) {
            dispose();
//            System.exit(0);
            return true;
        }
        return super.handleEvent(e);
    }

    private void sendRecruitOne(TextArea ta, FlightInfo flight) {

        KQML kqml = new KQML();
        String rw = new String(kManager.getInitialID());

        kqml.setPerformative("recruit-one");
        kqml.setParameter(":sender", localHost);
        kqml.setParameter(":receiver", travelBroker);
        kqml.setParameter(":reply-with", rw);
        kqml.setParameter(":language", "KQML");
        kqml.setParameter(":ontology", "travel-broker");

        KQML kqml_i = new KQML();
        kqml_i.setPerformative("subscribe");
        kqml_i.setParameter(":sender", localHost);
        kqml_i.setParameter(":reply-with", rw);
        kqml_i.setParameter(":language", "KQML");
        kqml_i.setParameter(":ontology", "kqml-ontology");

        KQML kqml_ii = new KQML();
        kqml_ii.setPerformative("ask-all");
        kqml_ii.setParameter(":sender", localHost);
        kqml_ii.setParameter(":reply-with", rw);
        kqml_ii.setParameter(":language", "anACL");
        kqml_ii.setParameter(":ontology", "travel");
        String content = new String(
                          "(:carrier " + flight.getCarrier()  + "\n" +
                          " :flight " + flight.getFlight() + " )"
                          );

        kqml_ii.setContent(content);
        kqml_i.setContent(kqml_ii);
        kqml.setContent(kqml_i);

	Conversation conv = null;
	try {
	  conv =
	    (Conversation) kManager.sendMessage(kqml);
	} catch (SendFailedException ex) {
	  ex.printStackTrace();
	} catch (InvalidFormatException ex) {
	  ex.printStackTrace();
	} catch (InvalidMessageSequenceException ex) {
	  ex.printStackTrace();
	} catch (JKQMLException ex) {
	  ex.printStackTrace();
	} 

        //FlightInfoSubscriber subscriber = new FlightInfoSubscriber(conv, ta);
        
        FlightInfoSubscriber subscriber = new FlightInfoSubscriber(conv, ta, this);
        subscriber.start();
    }

    
    /**
     * frame utility
     */
    private void constrain(Container container, Component component,
                          int grid_x, int grid_y, int grid_width, int grid_height,
			  int fill, int anchor, double weight_x, double weight_y,
			  int top, int left, int bottom, int right) {

	GridBagConstraints c = new GridBagConstraints();
	c.gridx = grid_x; c.gridy = grid_y;
	c.gridwidth = grid_width; c.gridheight = grid_height;
	c.fill = fill; c.anchor = anchor;
	c.weightx = weight_x; c.weighty = weight_y;
	if ( top + bottom + left + right > 0 ) 
	    c.insets = new Insets(top, left, bottom, right);

	((GridBagLayout)container.getLayout()).setConstraints(component,c);
	container.add(component);
    }


    /**
     * frame utility
     */
    private void constrain(Container container, Component component,
                          int grid_x, int grid_y, int grid_width,int grid_height){

	constrain(container, component, grid_x, grid_y, grid_width, grid_height,
	          GridBagConstraints.NONE, 
		  GridBagConstraints.NORTHWEST, 0.0, 0.0, 0, 0, 0, 0);
    }


    /**
     * frame utility
     */
    private void constrain(Container container, Component component,
                          int grid_x, int grid_y, int grid_width, int grid_height,
			  int top, int left, int bottom, int right) {	    

	constrain(container, component, grid_x, grid_y, grid_width, grid_height,
	          GridBagConstraints.NONE, 
		  GridBagConstraints.NORTHWEST, 0.0, 0.0, top, left, bottom, right);    
    }


    /**
     *  debug print
     */
    private void print(String msg) {
    	System.err.println("PersonalSelectWindow" + msg);
    }

}