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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 1.19 by ajm, Tue Jan 30 02:15:11 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 Conient 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 default configuration fle
40	+	* This can be specified on the command line
41	+	*/
42	+	public static final String DEFAULT_CONFIG_FILE = "./etc/default.conf";
43	+
44		//---STATIC METHODS---
45
46	+	/**
47	+	* The first method that is called.
48	+	* Sets up the various panels
49	+	*
50	+	* @param args the command line arguments
51	+	*/
52		public static void main(String[] args) {
53	<	try {
54	<	String host = null;
55	<	if (args.length != 1) {
56	<	Object response = null;
57	<	while(!(response instanceof String)) {
58	<	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	<	}
53	>	// get the host from the command line if they gave it
54	>	String host = null;
55	>	String configFile = DEFAULT_CONFIG_FILE;
56	>	if (args.length == 1) {
57	>	configFile = args[0];
58	>	}
59
60	<	int port = 4510;
61	<	Socket socket = new Socket(host, port);
54	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
55	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
60	>	// start the configuration system
61	>	Configuration.initialise(configFile);
62
63	<	Queue dataQueue = new Queue();
64	<	DataReader data = new DataReader(inBound, dataQueue);
63	>	// the data display panel
64	>	DataPanel data = new DataPanel();
65
66	<	SwingClient client = new SwingClient(dataQueue);
67	<	Thread clientThread = new Thread(client);
68	<
69	<	clientThread.start();
70	<	data.start();
66	>	// the control panel
67	>	ControlPanel control = new ControlPanel(data);
68	>
69	>	// the main frame (passed the two panels)
70	>	Conient client = new Conient(data, control);
71	>	Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream");
72
73	<	} catch (Exception e) {
67	<	System.err.println("ERROR START: " + e);
68	<	System.exit(1);
69	<	}
73	>	Conient.addMessage("Conient ready.");
74		}
75	+
76
77		//---CONSTRUCTORS---
78
79		/**
80	<	* Creates a new Swing Client.
80	>	* Creates a new Swing Client Frame
81		*/
82	<	public SwingClient(Queue dataQueue) {
78	<
79	<	_dataQueue = dataQueue;
80	<	_myQueue = _dataQueue.getQueue();
82	>	private Conient(JPanel data, JPanel control) {
83		// set up the Frame
84	<	setTitle("I-Scream Client");
85	<	//setSize(width, height);
84	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
85	<	Box box = Box.createVerticalBox();
84	>	super("Conient {an i-scream Client}");
85	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
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
87		utton = new JButton("Connect");
88	<
89	<	// set up the text area
90	<	_status.setEditable(false);
91	<	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);
88	>	// set what happens when the X in the corner is clicked
89	>	addWindowListener(new WindowAdapter() {
90	>	public void windowClosing(WindowEvent e) {System.exit(0);}
91	>	});
92
93	<	//_tabbedPane.setSelectedIndex(0);
93	>	// add the control pane to the top border
94	>	getContentPane().add(control, "North");
95
96	<	// build the frame
97	<	box.add(header);
98	<	box.add(main);
116	<
117	<	getContentPane().add(box);
96	>	// create a scrollable pane for the data in the centre
97	>	JScrollPane scrollPane = new JScrollPane(data);
98	>	getContentPane().add(scrollPane, "Center");
99
100	+	// setup the status panel
101	+	JPanel bottom = new JPanel();
102	+	bottom.setLayout(new BorderLayout());
103	+	_messages.setEditable(false);
104	+	_messages.setRows(3);
105	+	JScrollPane messagesPane = new JScrollPane(_messages);
106	+	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
107	+	bottom.add(messagesPane, "Center");
108	+	JPanel statusPanel = new JPanel();
109	+	JPanel linkPanel = new JPanel();
110	+	linkPanel.setLayout(new GridLayout(2,1));
111	+	linkPanel.add(_controlStatus);
112	+	linkPanel.add(_dataStatus);
113	+	statusPanel.setLayout(new GridLayout(1,3));
114	+	statusPanel.add(linkPanel);
115	+	statusPanel.add(_queueStatus);
116	+	bottom.add(statusPanel, "South");
117	+
118	+	// add the status panel to the bottom border
119	+	getContentPane().add(bottom, "South");
120	+
121		// show the window
122		show();
121	–	_status.insert("Running...\n",0);
123		}
124
125		//---PUBLIC METHODS---
126
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	–
127		//---PRIVATE METHODS---
128	+
129	+	//---ACCESSOR/MUTATOR METHODS---
130	+
131	+	/**
132	+	* Sets the control link status.
133	+	*
134	+	* @param status the message
135	+	*/
136	+	public static void setControlStatus(String status) {
137	+	_controlStatus.setText("Control Link: " + status);
138	+	_controlStatus.repaint();
139	+	}
140
141	<	protected JPanel makeTextPanel(String text, java.awt.Component item) {
142	<	JPanel panel = new JPanel(false);
143	<	JLabel label = new JLabel(text);
144	<	label.setHorizontalAlignment(JLabel.RIGHT);
145	<	//item.setHorizontalAlignment(JLabel.LEFT);
146	<	panel.setLayout(new GridLayout(1, 2));
147	<	panel.add(label);
148	<	panel.add(item);
176	<	return panel;
141	>	/**
142	>	* Sets the data link status.
143	>	*
144	>	* @param status the message
145	>	*/
146	>	public static void setDataStatus(String status) {
147	>	_dataStatus.setText("Data Link: " + status);
148	>	_dataStatus.repaint();
149		}
150
151	+	/**
152	+	* Updates the queue status.
153	+	*
154	+	* @param currentQueue
155	+	* @param numElements
156	+	*/
157	+	public static void setQueueStatus(int currentQueue, int numElements) {
158	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
159	+	_queueStatus.repaint();
160	+	}
161
162	<	//---ACCESSOR/MUTATOR METHODS---
162	>	/**
163	>	* Adds a system message to the messages list
164	>	*
165	>	* @param message the new message
166	>	*/
167	>	public static void addMessage(String message) {
168	>	_messages.insert(message + "\n", 0);
169	>	}
170
171		//---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;
172
193	–
173		//---STATIC ATTRIBUTES---
174
175	+	/**
176	+	* Displays information about the data link
177	+	*/
178	+	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
179	+	{
180	+	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
181	+	}
182	+
183	+	/**
184	+	* Displays information about the data link
185	+	*/
186	+	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
187	+	{
188	+	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
189	+	}
190	+
191	+	/**
192	+	* Displays information about the inbound data queue.
193	+	*/
194	+	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
195	+	{
196	+	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
197	+	}
198	+
199	+	/**
200	+	* The place where system messages are written.
201	+	*/
202	+	static JTextArea _messages = new JTextArea();
203	+	{
204	+	_messages.setLineWrap(true);
205	+	}
206		}

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