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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 1.5 by ajm, Mon Jan 15 03:01:37 2001 UTC vs.
Revision 1.16 by ajm, Wed Jan 24 03:21:26 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	–
7		import java.awt.*;
8		import java.awt.event.*;
10	–	import java.net.*;
11	–	import java.io.*;
12	–	import java.util.Date;
13	–	import java.text.DateFormat;
14	–	import java.util.Locale;
15	–	import java.util.HashMap;
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 Conient extends JFrame {
20
21		//---FINAL ATTRIBUTES---
22
#	Line 28 | 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)) {
57	<	response = JOptionPane.showInputDialog(null, "Please enter the name of a server running the I-Scream client interface:", "I-Scream Server", JOptionPane.INFORMATION_MESSAGE);
58	<	}
59	<	host = (String) response;
46	<	} else {
47	<	host = args[0];
48	<	}
49	<
50	<	int port = 4510;
51	<	Socket socket = new Socket(host, port);
52	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
53	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
54	<	DataReader data = new DataReader(inBound);
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	>	// the data display panel
59	>	DataPanel data = new DataPanel();
60
61	<	SwingClient client = new SwingClient(data);
62	<	Thread clientThread = new Thread(client);
63	<	clientThread.start();
64	<	} catch (Exception e) {
65	<	System.err.println("ERROR START: " + e);
66	<	System.exit(1);
67	<	}
61	>	// the control panel
62	>	ControlPanel control = new ControlPanel(data);
63	>
64	>	// the main frame (passed the two panels)
65	>	Conient client = new Conient(data, control);
66	>	Conient.addMessage("Conient {an I-scream Client} © 2001 University of Kent & Project I-Scream");
67	>	Conient.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(DataReader data) {
71	<	_data = data;
76	>	private Conient(JPanel data, JPanel control) {
77		// set up the Frame
78	<	setTitle("I-Scream Client");
79	<	setSize(width, height);
75	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
76	<	Box box = Box.createVerticalBox();
78	>	super("Conient {an I-scream Client}");
79	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
80
81	<	// create the i-scream logo at the top
82	<	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
83	<	JLabel comment = new JLabel("   I-Scream Client");
84	<	comment.setForeground( new Color(0, 0, 102));
85	<	Box header = Box.createHorizontalBox();
86	<	header.add(comment);
87	<	header.add(Box.createHorizontalGlue());
85	<	header.add(iscream);
81	>	// set what happens when the X in the corner is clicked
82	>	addWindowListener(new WindowAdapter() {
83	>	public void windowClosing(WindowEvent e) {System.exit(0);}
84	>	});
85	>
86	>	// add the control pane to the top border
87	>	getContentPane().add(control, "North");
88
89	<	//_tabbedPane.setSelectedIndex(0);
90	<
91	<	// build the frame
90	<	box.add(header);
91	<	box.add(_tabbedPane);
92	<	box.add(_status);
93	<	getContentPane().add(box);
89	>	// create a scrollable pane for the data in the centre
90	>	JScrollPane scrollPane = new JScrollPane(data);
91	>	getContentPane().add(scrollPane, "Center");
92
93	+	// setup the status panel
94	+	JPanel bottom = new JPanel();
95	+	bottom.setLayout(new BorderLayout());
96	+	_messages.setEditable(false);
97	+	_messages.setRows(3);
98	+	JScrollPane messagesPane = new JScrollPane(_messages);
99	+	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
100	+	bottom.add(messagesPane, "Center");
101	+	JPanel statusPanel = new JPanel();
102	+	JPanel linkPanel = new JPanel();
103	+	linkPanel.setLayout(new GridLayout(2,1));
104	+	linkPanel.add(_controlStatus);
105	+	linkPanel.add(_dataStatus);
106	+	statusPanel.setLayout(new GridLayout(1,3));
107	+	statusPanel.add(linkPanel);
108	+	statusPanel.add(_queueStatus);
109	+	bottom.add(statusPanel, "South");
110	+
111	+	// add the status panel to the bottom border
112	+	getContentPane().add(bottom, "South");
113	+
114		// show the window
115		show();
97	–	_status.setText("Running...");
116		}
117
118		//---PUBLIC METHODS---
119
102	–	public void run() {
103	–	HashMap hostList = new HashMap();
104	–	try {
105	–	_data.start();
106	–	while(true) {
107	–	synchronized (_data) {
108	–	_data.wait();
109	–	}
110	–	String xml = _data.getXML();
111	–	if (xml == null) {
112	–	_status.setText("No XML to update...");
113	–	} else {
114	–
115	–	// Get a string without any null characters in it.
116	–	//  -- maybe String.trim() would be better here ?
117	–	if (xml.indexOf(0) != -1) {
118	–	xml = xml.substring(0, xml.indexOf(0));
119	–	}
120	–	else {
121	–	xml = xml.substring(0, xml.length());
122	–	}
123	–
124	–	// Use XMLPacketMaker to make an XMLPacket object.
125	–	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
126	–	XMLPacket packet = xmlPacketMaker.createXMLPacket();
127	–	String hostName = packet.getParam("packet.attributes.machine_name");
128	–	if(!hostList.containsKey(hostName)) {
129	–	host = new HostDisplayPanel();
130	–	_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
131	–	hostList.put(hostName, host);
132	–	_status.setText("New Host added: " + hostName);
133	–	}
134	–	((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
135	–	}
136	–	}
137	–	} catch (Exception e) {
138	–	System.err.println("ERROR RUN: " + e);
139	–	}
140	–	}
141	–
120		//---PRIVATE METHODS---
121	+
122	+	//---ACCESSOR/MUTATOR METHODS---
123	+
124	+	/**
125	+	* Sets the control link status.
126	+	*
127	+	* @param status the message
128	+	*/
129	+	public static void setControlStatus(String status) {
130	+	_controlStatus.setText("Control Link: " + status);
131	+	_controlStatus.repaint();
132	+	}
133
134	<	protected JPanel makeTextPanel(String text, Component item) {
135	<	JPanel panel = new JPanel(false);
136	<	JLabel label = new JLabel(text);
137	<	label.setHorizontalAlignment(JLabel.RIGHT);
138	<	//item.setHorizontalAlignment(JLabel.LEFT);
139	<	panel.setLayout(new GridLayout(1, 2));
140	<	panel.add(label);
141	<	panel.add(item);
152	<	return panel;
134	>	/**
135	>	* Sets the data link status.
136	>	*
137	>	* @param status the message
138	>	*/
139	>	public static void setDataStatus(String status) {
140	>	_dataStatus.setText("Data Link: " + status);
141	>	_dataStatus.repaint();
142		}
143
144	+	/**
145	+	* Updates the queue status.
146	+	*
147	+	* @param currentQueue
148	+	* @param numElements
149	+	*/
150	+	public static void setQueueStatus(int currentQueue, int numElements) {
151	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
152	+	_queueStatus.repaint();
153	+	}
154
155	<	//---ACCESSOR/MUTATOR METHODS---
155	>	/**
156	>	* Adds a system message to the messages list
157	>	*
158	>	* @param message the new message
159	>	*/
160	>	public static void addMessage(String message) {
161	>	_messages.insert(message + "\n", 0);
162	>	}
163
164		//---ATTRIBUTES---
159	–
160	–	HostDisplayPanel host;
161	–	JTabbedPane _tabbedPane = new JTabbedPane();
162	–	DataReader _data;
163	–	JLabel _status = new JLabel();
164	–	ImageIcon _serverIcon = new ImageIcon("server.gif");
165
166		//---STATIC ATTRIBUTES---
167
168	<	}
168	>	/**
169	>	* Displays information about the data link
170	>	*/
171	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
172	>	{
173	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
174	>	}
175	>
176	>	/**
177	>	* Displays information about the data link
178	>	*/
179	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
180	>	{
181	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
182	>	}
183	>
184	>	/**
185	>	* Displays information about the inbound data queue.
186	>	*/
187	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
188	>	{
189	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
190	>	}
191	>
192	>	/**
193	>	* The place where system messages are written.
194	>	*/
195	>	static JTextArea _messages = new JTextArea();
196	>	}

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