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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 1.22 by ajm, Wed Feb 21 23:45:16 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	+	/**
45	+	* The time in seconds to display the splash
46	+	* screen for
47	+	*/
48	+	public static final int DISPLAY_SPLASH_TIME_SECONDS = 3;
49	+
50		//---STATIC METHODS---
51
52	+	/**
53	+	* The first method that is called.
54	+	* Sets up the various panels
55	+	*
56	+	* @param args the command line arguments
57	+	*/
58		public static void main(String[] args) {
59	<	try {
60	<	String host = null;
61	<	if (args.length != 1) {
62	<	Object response = null;
63	<	while(!(response instanceof String)) {
64	<	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	<	}
59	>	// get the host from the command line if they gave it
60	>	String host = null;
61	>	String configFile = DEFAULT_CONFIG_FILE;
62	>	if (args.length == 1) {
63	>	configFile = args[0];
64	>	}
65
66	<	int port = 4510;
67	<	Socket socket = new Socket(host, port);
68	<	BufferedReader inBound = new BufferedReader(new InputStreamReader(socket.getInputStream()));
69	<	PrintWriter outBound = new PrintWriter(socket.getOutputStream());
70	<	DataReader data = new DataReader(inBound);
66	>	// start the configuration system
67	>	Configuration.initialise(configFile);
68	>
69	>	// the data display panel
70	>	DataPanel data = new DataPanel();
71
72	<	SwingClient client = new SwingClient(data);
73	<	Thread clientThread = new Thread(client);
74	<	clientThread.start();
75	<	} catch (Exception e) {
76	<	System.err.println("ERROR START: " + e);
77	<	System.exit(1);
78	<	}
72	>	// the control panel
73	>	ControlPanel control = new ControlPanel(data);
74	>
75	>	// the main frame (passed the two panels)
76	>	Conient client = new Conient(data, control);
77	>	Conient.addMessage("Conient {an i-scream Client} © 2001 University of Kent & Project i-scream");
78	>
79	>	Conient.addMessage("Conient ready.");
80	>
81		}
82	+
83
84		//---CONSTRUCTORS---
85
86		/**
87	<	* Creates a new Swing Client.
87	>	* Creates a new Swing Client Frame
88		*/
89	<	public SwingClient(DataReader data) {
71	<	_data = data;
89	>	private Conient(JPanel data, JPanel control) {
90		// set up the Frame
91	<	setTitle("I-Scream Client");
92	<	setSize(width, height);
75	<	setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
76	<	Box box = Box.createVerticalBox();
91	>	super("Conient {an i-scream Client}");
92	>	setSize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
93
94	<	// create the i-scream logo at the top
95	<	JLabel iscream = new JLabel(new ImageIcon("i-scream.gif"));
96	<	JLabel comment = new JLabel("   I-Scream Client");
97	<	comment.setForeground( new Color(0, 0, 102));
98	<	Box header = Box.createHorizontalBox();
99	<	header.add(comment);
100	<	header.add(Box.createHorizontalGlue());
85	<	header.add(iscream);
94	>	// set what happens when the X in the corner is clicked
95	>	addWindowListener(new WindowAdapter() {
96	>	public void windowClosing(WindowEvent e) {System.exit(0);}
97	>	});
98	>
99	>	// add the control pane to the top border
100	>	getContentPane().add(control, "North");
101
102	<	//_tabbedPane.setSelectedIndex(0);
103	<
104	<	// build the frame
90	<	box.add(header);
91	<	box.add(_tabbedPane);
92	<	box.add(_status);
93	<	getContentPane().add(box);
102	>	// create a scrollable pane for the data in the centre
103	>	JScrollPane scrollPane = new JScrollPane(data);
104	>	getContentPane().add(scrollPane, "Center");
105
106	<	// show the window
107	<	show();
108	<	_status.setText("Running...");
109	<	}
106	>	// setup the status panel
107	>	JPanel bottom = new JPanel();
108	>	bottom.setLayout(new BorderLayout());
109	>	_messages.setEditable(false);
110	>	_messages.setRows(3);
111	>	JScrollPane messagesPane = new JScrollPane(_messages);
112	>	messagesPane.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), " Messages "));
113	>	bottom.add(messagesPane, "Center");
114	>	JPanel statusPanel = new JPanel();
115	>	JPanel linkPanel = new JPanel();
116	>	linkPanel.setLayout(new GridLayout(1,2));
117	>	linkPanel.add(_controlStatus);
118	>	linkPanel.add(_dataStatus);
119	>	statusPanel.setLayout(new GridLayout(2,1));
120	>	statusPanel.add(linkPanel);
121	>	statusPanel.add(_queueStatus);
122	>	bottom.add(statusPanel, "South");
123
124	<	//---PUBLIC METHODS---
124	>	// add the status panel to the bottom border
125	>	getContentPane().add(bottom, "South");
126	>
127	>	// a nice icon for the window
128	>	setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage());
129
130	<	public void run() {
131	<	HashMap hostList = new HashMap();
130	>	// and just because we can, a silly splash screen
131	>	// of the dudes that did this funky gibble
132	>	Splash splash = new Splash();
133	>	splash.show();
134	>	// wait
135		try {
136	<	_data.start();
137	<	while(true) {
138	<	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	>	Thread.sleep(DISPLAY_SPLASH_TIME_SECONDS * 1000);
137	>	} catch (InterruptedException e) {
138	>	// don't do anything, we don't care
139		}
140	<	} catch (Exception e) {
141	<	System.err.println("ERROR RUN: " + e);
142	<	}
140	>	//loose the window
141	>	splash.dispose();
142	>	splash = null;
143	>	// show the main window
144	>	show();
145		}
146
147	+	//---PUBLIC METHODS---
148	+
149		//---PRIVATE METHODS---
150	+
151	+	//---ACCESSOR/MUTATOR METHODS---
152	+
153	+	/**
154	+	* Sets the control link status.
155	+	*
156	+	* @param status the message
157	+	*/
158	+	public static void setControlStatus(String status) {
159	+	_controlStatus.setText("Control Link: " + status);
160	+	_controlStatus.repaint();
161	+	}
162
163	<	protected JPanel makeTextPanel(String text, Component item) {
164	<	JPanel panel = new JPanel(false);
165	<	JLabel label = new JLabel(text);
166	<	label.setHorizontalAlignment(JLabel.RIGHT);
167	<	//item.setHorizontalAlignment(JLabel.LEFT);
168	<	panel.setLayout(new GridLayout(1, 2));
169	<	panel.add(label);
170	<	panel.add(item);
152	<	return panel;
163	>	/**
164	>	* Sets the data link status.
165	>	*
166	>	* @param status the message
167	>	*/
168	>	public static void setDataStatus(String status) {
169	>	_dataStatus.setText("Data Link: " + status);
170	>	_dataStatus.repaint();
171		}
172
173	+	/**
174	+	* Updates the queue status.
175	+	*
176	+	* @param currentQueue
177	+	* @param numElements
178	+	*/
179	+	public static void setQueueStatus(int currentQueue, int numElements) {
180	+	_queueStatus.setText("Data Queue : " + currentQueue + " Packets Recieved : " + numElements);
181	+	_queueStatus.repaint();
182	+	}
183
184	<	//---ACCESSOR/MUTATOR METHODS---
184	>	/**
185	>	* Adds a system message to the messages list
186	>	*
187	>	* @param message the new message
188	>	*/
189	>	public static void addMessage(String message) {
190	>	_messages.insert(message + "\n", 0);
191	>	}
192
193		//---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");
194
195		//---STATIC ATTRIBUTES---
196
197	<	}
197	>	/**
198	>	* Displays information about the data link
199	>	*/
200	>	static JLabel _controlStatus = new JLabel("Control Link: Disconnected", JLabel.LEFT);
201	>	{
202	>	_controlStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
203	>	}
204	>
205	>	/**
206	>	* Displays information about the data link
207	>	*/
208	>	static JLabel _dataStatus = new JLabel("Data Link: Disconnected", JLabel.LEFT);
209	>	{
210	>	_dataStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
211	>	}
212	>
213	>	/**
214	>	* Displays information about the inbound data queue.
215	>	*/
216	>	static JLabel _queueStatus = new JLabel(" ", JLabel.LEFT);
217	>	{
218	>	_queueStatus.setBorder(new EtchedBorder(EtchedBorder.LOWERED));
219	>	}
220	>
221	>	/**
222	>	* The place where system messages are written.
223	>	*/
224	>	static JTextArea _messages = new JTextArea();
225	>	{
226	>	_messages.setLineWrap(true);
227	>	}
228	>
229	>	//---INNER CLASSES----
230	>
231	>	/**
232	>	* An inner class to display a splash screen
233	>	*/
234	>	private class Splash extends JWindow {
235	>
236	>	/**
237	>	* Constructs a new splash screen
238	>	*/
239	>	public Splash() {
240	>	setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
241	>	JPanel splash = new JPanel();
242	>	splash.setBackground(Color.black);
243	>	JLabel image = new JLabel((new ImageIcon("./uk/ac/ukc/iscream/conient/i-scream-splash.gif")));
244	>	splash.add(image);
245	>	setContentPane(splash);
246	>	Dimension screen = getToolkit().getScreenSize();
247	>	pack();
248	>	setLocation((screen.width - getSize().width) / 2,
249	>	(screen.height - getSize().height) / 2);
250	>
251	>
252	>	}
253	>	}
254	>	}

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