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root/i-scream/projects/cms/source/conient/uk/org/iscream/cms/conient/Conient.java

Comparing projects/cms/source/conient/uk/org/iscream/cms/conient/Conient.java (file contents):
Revision 1.8 by ajm, Sat Jan 20 16:06:53 2001 UTC vs.
Revision 1.15 by ajm, Wed Jan 24 03:09:43 2001 UTC

#	Line 1 | Line 1
1		//---PACKAGE DECLARATION---
2	+	package uk.ac.ukc.iscream.conient;
3
4		//---IMPORTS---
5		import javax.swing.*;
6		import javax.swing.border.*;
6	–	import java.awt.Color;
7	–	import uk.ac.ukc.iscream.util.*;
8	–
7		import java.awt.*;
8		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.*;
9
10		/**
11	<	* NASTY AND BASIC, PLEASE DON'T COMPLAIN
11	>	* This is the main class of the Conient client.
12		*
13	+	* This sets up the control panel, the data panel
14	+	* and its own display.
15	+	*
16		* @author  $Author$
17		* @version $Id$
18		*/
19	<	public class SwingClient extends JFrame implements Runnable {
19	>	public class SwingClient extends JFrame {
20
21		//---FINAL ATTRIBUTES---
22
#	Line 30 | Line 24 | public class SwingClient extends JFrame implements Run
24		* The current CVS revision of this class
25		*/
26		public final String REVISION = "$Revision$";
27	+
28	+	/**
29	+	* The initial width of the window
30	+	*/
31	+	private final int DEFAULT_WIDTH = 600;
32
33	<	private final int width = 400;
34	<	private final int height = 700;
33	>	/**
34	>	* The initial height of the window
35	>	*/
36	>	private final int DEFAULT_HEIGHT = 600;
37
38	+	/**
39	+	* The i-scream server port
40	+	*/
41	+	public static final int PORT = 4510;
42	+
43		//---STATIC METHODS---
44
45	+	/**
46	+	* The first method that is called.
47	+	* Sets up the various panels
48	+	*
49	+	* @param args the command line arguments
50	+	*/
51		public static void main(String[] args) {
52	<	try {
53	<	String host = null;
54	<	if (args.length != 1) {
55	<	Object response = null;
56	<	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());
52	>	// get the host from the command line if they gave it
53	>	String host = null;
54	>	if (args.length == 1) {
55	>	host = args[0];
56	>	}
57
58	<	Queue dataQueue = new Queue();
59	<	DataReader data = new DataReader(inBound, dataQueue);
58	>	// the data display panel
59	>	DataPanel data = new DataPanel();
60
61	<	SwingClient client = new SwingClient(dataQueue);
62	<	Thread clientThread = new Thread(client);
63	<
64	<	clientThread.start();
65	<	data.start();
66	<
67	<	} catch (Exception e) {
67	<	System.err.println("ERROR START: " + e);
68	<	System.exit(1);
69	<	}
61	>	// the control panel
62	>	ControlPanel control = new ControlPanel(data);
63	>
64	>	// the main frame (passed the two panels)
65	>	SwingClient client = new SwingClient(data, control);
66	>	SwingClient.addMessage("Conient {an I-scream Client} © 2001 University of Kent & Project I-Scream");
67	>	SwingClient.addMessage("Conient ready.");
68		}
69	+
70
71		//---CONSTRUCTORS---
72
73		/**
74	<	* Creates a new Swing Client.
74	>	* Creates a new Swing Client Frame
75		*/
76	<	public SwingClient(Queue dataQueue) {
78	<
79	<	_dataQueue = dataQueue;
80	<	_myQueue = _dataQueue.getQueue();
76	>	private SwingClient(JPanel data, JPanel control) {
77		// set up the Frame
78	<	setTitle("I-Scream Client");
79	<	//setSize(width, height);
84	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
85	<	Box box = Box.createVerticalBox();
78	>	super("Conient {an I-scream Client}");
79	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
80
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
81		utton = new JButton("Connect");
82	<
83	<	// set up the text area
84	<	_status.setEditable(false);
85	<	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);
82	>	// set what happens when the X in the corner is clicked
83	>	addWindowListener(new WindowAdapter() {
84	>	public void windowClosing(WindowEvent e) {System.exit(0);}
85	>	});
86
87	<	//_tabbedPane.setSelectedIndex(0);
87	>	// add the control pane to the top border
88	>	getContentPane().add(control, "North");
89
90	<	// build the frame
91	<	box.add(header);
92	<	box.add(main);
116	<
117	<	getContentPane().add(box);
90	>	// create a scrollable pane for the data in the centre
91	>	JScrollPane scrollPane = new JScrollPane(data);
92	>	getContentPane().add(scrollPane, "Center");
93
94	+	// setup the status panel
95	+	JPanel bottom = new JPanel();
96	+	bottom.setLayout(new BorderLayout());
97	+	_messages.setEditable(false);
98	+	_messages.setRows(3);
99	+	JScrollPane messagesPane = new JScrollPane(_messages);
100	+	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
101	+	bottom.add(messagesPane, "Center");
102	+	JPanel statusPanel = new JPanel();
103	+	JPanel linkPanel = new JPanel();
104	+	linkPanel.setLayout(new GridLayout(2,1));
105	+	linkPanel.add(_controlStatus);
106	+	linkPanel.add(_dataStatus);
107	+	statusPanel.setLayout(new GridLayout(1,3));
108	+	statusPanel.add(linkPanel);
109	+	statusPanel.add(_queueStatus);
110	+	bottom.add(statusPanel, "South");
111	+
112	+	// add the status panel to the bottom border
113	+	getContentPane().add(bottom, "South");
114	+
115		// show the window
116		show();
121	–	_status.insert("Running...\n",0);
117		}
118
119		//---PUBLIC METHODS---
120
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	–
121		//---PRIVATE METHODS---
122	+
123	+	//---ACCESSOR/MUTATOR METHODS---
124	+
125	+	/**
126	+	* Sets the control link status.
127	+	*
128	+	* @param status the message
129	+	*/
130	+	public static void setControlStatus(String status) {
131	+	_controlStatus.setText("Control Link: " + status);
132	+	_controlStatus.repaint();
133	+	}
134
135	<	protected JPanel makeTextPanel(String text, java.awt.Component item) {
136	<	JPanel panel = new JPanel(false);
137	<	JLabel label = new JLabel(text);
138	<	label.setHorizontalAlignment(JLabel.RIGHT);
139	<	//item.setHorizontalAlignment(JLabel.LEFT);
140	<	panel.setLayout(new GridLayout(1, 2));
141	<	panel.add(label);
142	<	panel.add(item);
176	<	return panel;
135	>	/**
136	>	* Sets the data link status.
137	>	*
138	>	* @param status the message
139	>	*/
140	>	public static void setDataStatus(String status) {
141	>	_dataStatus.setText("Data Link: " + status);
142	>	_dataStatus.repaint();
143		}
144
145	+	/**
146	+	* Updates the queue status.
147	+	*
148	+	* @param currentQueue
149	+	* @param numElements
150	+	*/
151	+	public static void setQueueStatus(int currentQueue, int numElements) {
152	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
153	+	_queueStatus.repaint();
154	+	}
155
156	<	//---ACCESSOR/MUTATOR METHODS---
156	>	/**
157	>	* Adds a system message to the messages list
158	>	*
159	>	* @param message the new message
160	>	*/
161	>	public static void addMessage(String message) {
162	>	_messages.insert(message + "\n", 0);
163	>	}
164
165		//---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;
166
193	–
167		//---STATIC ATTRIBUTES---
168
169	+	/**
170	+	* Displays information about the data link
171	+	*/
172	+	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
173	+	{
174	+	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
175	+	}
176	+
177	+	/**
178	+	* Displays information about the data link
179	+	*/
180	+	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
181	+	{
182	+	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
183	+	}
184	+
185	+	/**
186	+	* Displays information about the inbound data queue.
187	+	*/
188	+	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
189	+	{
190	+	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
191	+	}
192	+
193	+	/**
194	+	* The place where system messages are written.
195	+	*/
196	+	static JTextArea _messages = new JTextArea();
197		}

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