cms/conient/Conient.java

//---PACKAGE DECLARATION---

//---IMPORTS---
import javax.swing.*;
import javax.swing.border.*;
import java.awt.Color;
import uk.ac.ukc.iscream.util.*;

import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.Date;
import java.text.DateFormat;
import java.util.Locale;
import java.util.HashMap;
import javax.swing.border.*;

/**
 * NASTY AND BASIC, PLEASE DON'T COMPLAIN
 *
 * @author  $Author: ajm4 $
 * @version $Id: SwingClient.java,v 1.7 2001/01/15 03:26:26 ajm4 Exp $
 */
public class SwingClient extends JFrame implements Runnable {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.7 $";
    
    private final int width = 400;
    private final int height = 700;
    
//---STATIC METHODS---

    public static void main(String[] args) {
        try {
            String host = null;
            if (args.length != 1) {
                Object response = null;
                while(!(response instanceof String)) {
                    response = JOptionPane.showInputDialog(null, "Please enter the name of a server running the I-Scream client interface:", "I-Scream Server", JOptionPane.INFORMATION_MESSAGE);
                }
                host = (String) response;
            } else {
                host = args[0];
            }

            int port = 4510;
            Socket socket = new Socket(host, port);
            BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
            PrintWriter outBound = new PrintWriter(socket.getOutputStream());
 
            Queue dataQueue = new Queue();
            DataReader data = new DataReader(inBound, dataQueue);
        
            SwingClient client = new SwingClient(dataQueue);
            Thread clientThread = new Thread(client);
            
            clientThread.start();
            data.start();

        } catch (Exception e) {
            System.err.println("ERROR START: " + e);
            System.exit(1);
        }   
    }
    
//---CONSTRUCTORS---

    /**
     * Creates a new Swing Client.
     */
    public SwingClient(Queue dataQueue) {
        
        _dataQueue = dataQueue;
        _myQueue = _dataQueue.getQueue();
        // set up the Frame
        setTitle("I-Scream Client");
        //setSize(width, height);
        setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        Box box = Box.createVerticalBox();

        // create the i-scream logo at the top
        JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
        _serverCountLabel = new JLabel("   Monitoring 0 hosts...");
        _serverCountLabel.setForeground( new Color(0, 0, 102));
        Box header = Box.createHorizontalBox();
        header.add(_serverCountLabel);
        header.add(Box.createHorizontalGlue());
        header.add(iscream);
        Box main = Box.createHorizontalBox();
        JButton 
button = new JButton("Connect");
        
        // set up the text area
        _status.setEditable(false);
        JScrollPane statusPane = new JScrollPane(_status);
        statusPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
        
        Box controlPane = Box.createVerticalBox();
        controlPane.add(button);
        //controlPane.add(Box.createVerticalGlue());
        controlPane.add(statusPane);
        main.add(controlPane);
        main.add(_tabbedPane);

        //_tabbedPane.setSelectedIndex(0);
        
        // build the frame
        box.add(header);
        box.add(main);
        
        getContentPane().add(box);

        // show the window
        show();
        _status.insert("Running...\n",0);
    }

//---PUBLIC METHODS---

    public void run() {
        HashMap hostList = new HashMap();
        try {
            while(true) {
                
                String xml = (String) _dataQueue.get(_myQueue);
                if (xml == null) {
                    // shouldn't really happen...but not sure
                    _status.insert("No XML to update...",0);
                } else {
                    
                    // Get a string without any null characters in it.
                    //  -- maybe String.trim() would be better ?
                    if (xml.indexOf(0) != -1) {
                        xml = xml.substring(0, xml.indexOf(0));
                    }
                    else {
                        xml = xml.substring(0, xml.length());
                    }
                    
                    // Use XMLPacketMaker to make an XMLPacket object.
                    XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
                    XMLPacket packet = xmlPacketMaker.createXMLPacket();
                    String hostName = packet.getParam("packet.attributes.machine_name");
                    if(!hostList.containsKey(hostName)) {
                        _serverCount++;
                        _serverCountLabel.setText("   Monitoring " + _serverCount + " hosts...");
                        host = new HostDisplayPanel();       
                        _tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
                        hostList.put(hostName, host);
                        _status.insert("New Host added: " + hostName + "\n", 0);
                    } 
                    ((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
                }
            }
        } catch (Exception e) {
            System.err.println("ERROR RUN: " + e);
        }
    }

//---PRIVATE METHODS---
    
    protected JPanel makeTextPanel(String text, java.awt.Component item) {
        JPanel panel = new JPanel(false);
        JLabel label = new JLabel(text);
        label.setHorizontalAlignment(JLabel.RIGHT);
        //item.setHorizontalAlignment(JLabel.LEFT);
        panel.setLayout(new GridLayout(1, 2));
        panel.add(label);
        panel.add(item);
        return panel;
    }


//---ACCESSOR/MUTATOR METHODS---

//---ATTRIBUTES---

    HostDisplayPanel host;
    JTabbedPane _tabbedPane = new JTabbedPane();
    Queue _dataQueue;
    int _myQueue;
    JTextArea _status = new JTextArea();
    ImageIcon _serverIcon = new ImageIcon("server.gif");
    JLabel _serverCountLabel;
    int _serverCount = 0;
    
    
//---STATIC ATTRIBUTES---
    
}
Revision:	1.8
Committed:	Sat Jan 20 16:06:53 2001 UTC (23 years, 3 months ago) by ajm
Branch:	MAIN
Changes since 1.7:	+44 -22 lines
Error occurred while calculating annotation data.
Log Message:	various updates, now displays a nice status still far from complete
#	Content
1	//---PACKAGE DECLARATION---
2
3	//---IMPORTS---
4	import javax.swing.*;
5	import javax.swing.border.*;
6	import java.awt.Color;
7	import uk.ac.ukc.iscream.util.*;
8
9	import java.awt.*;
10	import java.awt.event.*;
11	import java.net.*;
12	import java.io.*;
13	import java.util.Date;
14	import java.text.DateFormat;
15	import java.util.Locale;
16	import java.util.HashMap;
17	import javax.swing.border.*;
18
19	/**
20	* NASTY AND BASIC, PLEASE DON'T COMPLAIN
21	*
22	* @author $Author: ajm4 $
23	* @version $Id: SwingClient.java,v 1.7 2001/01/15 03:26:26 ajm4 Exp $
24	*/
25	public class SwingClient extends JFrame implements Runnable {
26
27	//---FINAL ATTRIBUTES---
28
29	/**
30	* The current CVS revision of this class
31	*/
32	public final String REVISION = "$Revision: 1.7 $";
33
34	private final int width = 400;
35	private final int height = 700;
36
37	//---STATIC METHODS---
38
39	public static void main(String[] args) {
40	try {
41	String host = null;
42	if (args.length != 1) {
43	Object response = null;
44	while(!(response instanceof String)) {
45	response = JOptionPane.showInputDialog(null, "Please enter the name of a server running the I-Scream client interface:", "I-Scream Server", JOptionPane.INFORMATION_MESSAGE);
46	}
47	host = (String) response;
48	} else {
49	host = args[0];
50	}
51
52	int port = 4510;
53	Socket socket = new Socket(host, port);
54	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
55	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
56
57	Queue dataQueue = new Queue();
58	DataReader data = new DataReader(inBound, dataQueue);
59
60	SwingClient client = new SwingClient(dataQueue);
61	Thread clientThread = new Thread(client);
62
63	clientThread.start();
64	data.start();
65
66	} catch (Exception e) {
67	System.err.println("ERROR START: " + e);
68	System.exit(1);
69	}
70	}
71
72	//---CONSTRUCTORS---
73
74	/**
75	* Creates a new Swing Client.
76	*/
77	public SwingClient(Queue dataQueue) {
78
79	_dataQueue = dataQueue;
80	_myQueue = _dataQueue.getQueue();
81	// set up the Frame
82	setTitle("I-Scream Client");
83	//setSize(width, height);
84	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
85	Box box = Box.createVerticalBox();
86
87	// create the i-scream logo at the top
88	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
89	_serverCountLabel = new JLabel(" Monitoring 0 hosts...");
90	_serverCountLabel.setForeground( new Color(0, 0, 102));
91	Box header = Box.createHorizontalBox();
92	header.add(_serverCountLabel);
93	header.add(Box.createHorizontalGlue());
94	header.add(iscream);
95	Box main = Box.createHorizontalBox();
96	JButton
97	button = new JButton("Connect");
98
99	// set up the text area
100	_status.setEditable(false);
101	JScrollPane statusPane = new JScrollPane(_status);
102	statusPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
103
104	Box controlPane = Box.createVerticalBox();
105	controlPane.add(button);
106	//controlPane.add(Box.createVerticalGlue());
107	controlPane.add(statusPane);
108	main.add(controlPane);
109	main.add(_tabbedPane);
110
111	//_tabbedPane.setSelectedIndex(0);
112
113	// build the frame
114	box.add(header);
115	box.add(main);
116
117	getContentPane().add(box);
118
119	// show the window
120	show();
121	_status.insert("Running...\n",0);
122	}
123
124	//---PUBLIC METHODS---
125
126	public void run() {
127	HashMap hostList = new HashMap();
128	try {
129	while(true) {
130
131	String xml = (String) _dataQueue.get(_myQueue);
132	if (xml == null) {
133	// shouldn't really happen...but not sure
134	_status.insert("No XML to update...",0);
135	} else {
136
137	// Get a string without any null characters in it.
138	// -- maybe String.trim() would be better ?
139	if (xml.indexOf(0) != -1) {
140	xml = xml.substring(0, xml.indexOf(0));
141	}
142	else {
143	xml = xml.substring(0, xml.length());
144	}
145
146	// Use XMLPacketMaker to make an XMLPacket object.
147	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
148	XMLPacket packet = xmlPacketMaker.createXMLPacket();
149	String hostName = packet.getParam("packet.attributes.machine_name");
150	if(!hostList.containsKey(hostName)) {
151	_serverCount++;
152	_serverCountLabel.setText(" Monitoring " + _serverCount + " hosts...");
153	host = new HostDisplayPanel();
154	_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
155	hostList.put(hostName, host);
156	_status.insert("New Host added: " + hostName + "\n", 0);
157	}
158	((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
159	}
160	}
161	} catch (Exception e) {
162	System.err.println("ERROR RUN: " + e);
163	}
164	}
165
166	//---PRIVATE METHODS---
167
168	protected JPanel makeTextPanel(String text, java.awt.Component item) {
169	JPanel panel = new JPanel(false);
170	JLabel label = new JLabel(text);
171	label.setHorizontalAlignment(JLabel.RIGHT);
172	//item.setHorizontalAlignment(JLabel.LEFT);
173	panel.setLayout(new GridLayout(1, 2));
174	panel.add(label);
175	panel.add(item);
176	return panel;
177	}
178
179
180	//---ACCESSOR/MUTATOR METHODS---
181
182	//---ATTRIBUTES---
183
184	HostDisplayPanel host;
185	JTabbedPane _tabbedPane = new JTabbedPane();
186	Queue _dataQueue;
187	int _myQueue;
188	JTextArea _status = new JTextArea();
189	ImageIcon _serverIcon = new ImageIcon("server.gif");
190	JLabel _serverCountLabel;
191	int _serverCount = 0;
192
193
194	//---STATIC ATTRIBUTES---
195
196	}