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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 1.7 by ajm, Mon Jan 15 03:26:26 2001 UTC vs.
Revision 1.21 by ajm, Mon Feb 5 01:26:04 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 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);
44	<	}
45	<	host = (String) response;
46	<	} else {
47	<	host = args[0];
48	<	}
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);
62	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
63	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
64	<	DataReader data = new DataReader(inBound);
60	>	// start the configuration system
61	>	Configuration.initialise(configFile);
62	>
63	>	// the data display panel
64	>	DataPanel data = new DataPanel();
65
66	<	SwingClient client = new SwingClient(data);
67	<	Thread clientThread = new Thread(client);
68	<	clientThread.start();
69	<	} catch (Exception e) {
70	<	System.err.println("ERROR START: " + e);
71	<	System.exit(1);
72	<	}
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	>	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(DataReader data) {
71	<	_data = data;
82	>	private Conient(JPanel data, JPanel control) {
83		// set up the Frame
84	<	setTitle("I-Scream Client");
85	<	setSize(width, height);
75	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
76	<	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());
85	<	header.add(iscream);
87	>	// set what happens when the X in the corner is clicked
88	>	addWindowListener(new WindowAdapter() {
89	>	public void windowClosing(WindowEvent e) {System.exit(0);}
90	>	});
91	>
92	>	// add the control pane to the top border
93	>	getContentPane().add(control, "North");
94
95	<	//_tabbedPane.setSelectedIndex(0);
96	<
97	<	// build the frame
90	<	box.add(header);
91	<	box.add(_tabbedPane);
92	<	box.add(_status);
93	<	getContentPane().add(box);
95	>	// create a scrollable pane for the data in the centre
96	>	JScrollPane scrollPane = new JScrollPane(data);
97	>	getContentPane().add(scrollPane, "Center");
98
99	+	// setup the status panel
100	+	JPanel bottom = new JPanel();
101	+	bottom.setLayout(new BorderLayout());
102	+	_messages.setEditable(false);
103	+	_messages.setRows(3);
104	+	JScrollPane messagesPane = new JScrollPane(_messages);
105	+	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
106	+	bottom.add(messagesPane, "Center");
107	+	JPanel statusPanel = new JPanel();
108	+	JPanel linkPanel = new JPanel();
109	+	linkPanel.setLayout(new GridLayout(1,2));
110	+	linkPanel.add(_controlStatus);
111	+	linkPanel.add(_dataStatus);
112	+	statusPanel.setLayout(new GridLayout(2,1));
113	+	statusPanel.add(linkPanel);
114	+	statusPanel.add(_queueStatus);
115	+	bottom.add(statusPanel, "South");
116	+
117	+	// add the status panel to the bottom border
118	+	getContentPane().add(bottom, "South");
119	+
120	+	// a nice icon for the window
121	+	setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage());
122		// show the window
123		show();
97	–	_status.setText("Running...");
124		}
125
126		//---PUBLIC METHODS---
127
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	–	// shouldn't really happen...but not sure
113	–	_status.setText("No XML to update...");
114	–	} else {
115	–	_status.setText("Got inbound data...handling");
116	–	// Get a string without any null characters in it.
117	–	//  -- maybe String.trim() would be better ?
118	–	if (xml.indexOf(0) != -1) {
119	–	xml = xml.substring(0, xml.indexOf(0));
120	–	}
121	–	else {
122	–	xml = xml.substring(0, xml.length());
123	–	}
124	–
125	–	// Use XMLPacketMaker to make an XMLPacket object.
126	–	XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml);
127	–	XMLPacket packet = xmlPacketMaker.createXMLPacket();
128	–	String hostName = packet.getParam("packet.attributes.machine_name");
129	–	if(!hostList.containsKey(hostName)) {
130	–	_serverCount++;
131	–	_serverCountLabel.setText("   Monitoring " + _serverCount + " hosts...");
132	–	host = new HostDisplayPanel();
133	–	_tabbedPane.addTab(hostName, _serverIcon, host, "Monitor " + hostName);
134	–	hostList.put(hostName, host);
135	–	_status.setText("New Host added: " + hostName);
136	–	}
137	–	((HostDisplayPanel) hostList.get(hostName)).updateHost(packet);
138	–	}
139	–	}
140	–	} catch (Exception e) {
141	–	System.err.println("ERROR RUN: " + e);
142	–	}
143	–	}
144	–
128		//---PRIVATE METHODS---
129	+
130	+	//---ACCESSOR/MUTATOR METHODS---
131	+
132	+	/**
133	+	* Sets the control link status.
134	+	*
135	+	* @param status the message
136	+	*/
137	+	public static void setControlStatus(String status) {
138	+	_controlStatus.setText("Control Link: " + status);
139	+	_controlStatus.repaint();
140	+	}
141
142	<	protected JPanel makeTextPanel(String text, Component item) {
143	<	JPanel panel = new JPanel(false);
144	<	JLabel label = new JLabel(text);
145	<	label.setHorizontalAlignment(JLabel.RIGHT);
146	<	//item.setHorizontalAlignment(JLabel.LEFT);
147	<	panel.setLayout(new GridLayout(1, 2));
148	<	panel.add(label);
149	<	panel.add(item);
155	<	return panel;
142	>	/**
143	>	* Sets the data link status.
144	>	*
145	>	* @param status the message
146	>	*/
147	>	public static void setDataStatus(String status) {
148	>	_dataStatus.setText("Data Link: " + status);
149	>	_dataStatus.repaint();
150		}
151
152	+	/**
153	+	* Updates the queue status.
154	+	*
155	+	* @param currentQueue
156	+	* @param numElements
157	+	*/
158	+	public static void setQueueStatus(int currentQueue, int numElements) {
159	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
160	+	_queueStatus.repaint();
161	+	}
162
163	<	//---ACCESSOR/MUTATOR METHODS---
163	>	/**
164	>	* Adds a system message to the messages list
165	>	*
166	>	* @param message the new message
167	>	*/
168	>	public static void addMessage(String message) {
169	>	_messages.insert(message + "\n", 0);
170	>	}
171
172		//---ATTRIBUTES---
162	–
163	–	HostDisplayPanel host;
164	–	JTabbedPane _tabbedPane = new JTabbedPane();
165	–	DataReader _data;
166	–	JLabel _status = new JLabel();
167	–	ImageIcon _serverIcon = new ImageIcon("server.gif");
168	–	JLabel _serverCountLabel;
169	–	int _serverCount = 0;
173
174		//---STATIC ATTRIBUTES---
175
176	<	}
176	>	/**
177	>	* Displays information about the data link
178	>	*/
179	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
180	>	{
181	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
182	>	}
183	>
184	>	/**
185	>	* Displays information about the data link
186	>	*/
187	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
188	>	{
189	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
190	>	}
191	>
192	>	/**
193	>	* Displays information about the inbound data queue.
194	>	*/
195	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
196	>	{
197	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
198	>	}
199	>
200	>	/**
201	>	* The place where system messages are written.
202	>	*/
203	>	static JTextArea _messages = new JTextArea();
204	>	{
205	>	_messages.setLineWrap(true);
206	>	}
207	>	}

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