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/Users/lyon/j4p/src/net/mail/swing/CheckMail.java
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1 package net.mail.swing;
2
3
4
5 import ip.gui.frames.ClosableFrame;
6
7 import java.awt.*;
8 import javax.swing.*;
9 import java.awt.event.ActionEvent;
10 import java.awt.event.ActionListener;
11 import java.io.BufferedReader;
12 import java.io.IOException;
13 import java.io.InputStreamReader;
14 import java.io.PrintWriter;
15 import java.net.InetAddress;
16 import java.net.Socket;
17
18
19 public class CheckMail extends JApplet{
20
21 private Socket socket;
22 private String serverHostName = null;
23 private PrintWriter ps;
24 private InetAddress rina, lina;
25 private int popPort = 110;
26 private boolean standalone = false;
27
28 private CheckMailPanel form;
29
30
31 /**
32 * Initialize the applet.
33 */
34 public void init() {
35 form = new CheckMailPanel(this);
36 getContentPane().add(form);
37 form.setSize(300, 300);
38 setBackground(Color.blue);
39 if (serverHostName == null) serverHostName = getCodeBase().getHost();
40 System.out.println("ServerHostName=" + serverHostName);
41 }
42
43
44 /**
45 * Show status text to the user.
46 */
47 public void showStatus(String s) {
48
49 System.out.println(s);
50 if (standalone) return;
51 super.showStatus(s);
52 }
53
54 private BufferedReader buf_reader;
55
56 /**
57 * Perform check for e-mail.
58 */
59 public void checkForMail() throws IOException, NumberFormatException, Exception {
60
61 showStatus("Checking for mail on " + serverHostName);
62
63 socket = new Socket(serverHostName, popPort); // open a connection
64
65 String rs;
66
67
68
69 try {
70 rina = socket.getInetAddress();
71 lina = rina.getLocalHost();
72
73 //
74 // Conversion of the PrintStream due to deprication.
75 // ps = new PrintStream(socket.getOutputStream());
76 //
77 // Print values and objects to a Writer.
78 //
79 ps = new PrintWriter(
80 socket.getOutputStream());
81
82 //
83 // Conversion of the DataInputStream due to deprecation.
84 // dis = new DataInputStream(socket.getInputStream());
85 //
86 // Use BufferedReader instead of DataInputStream.
87 //
88 buf_reader = new BufferedReader(
89 new InputStreamReader(socket.getInputStream()));
90
91 //
92 // Check for messages
93 //
94 sendline("USER " + form.getId());
95 rs = sendline("PASS " + form.getPswd());
96 //if (rs.charAt(0) != '+') throw new Exception("Incorrect password");
97 rs = sendline("STAT");
98 } catch (Exception ex) {
99 socket.close();
100 throw ex;
101 }
102
103 // Close connection
104 socket.close();
105
106 // Parse result
107 int r = 0;
108 r = Integer.parseInt(rs.substring(17, rs.indexOf(" messages")));
109
110 // Update result field
111 form.getResultField().setText(Integer.toString(r));
112 }
113
114 /**
115 * Send a line of data to the server, and return the handshake.
116 */
117 String sendline(String data) throws IOException {
118
119 System.out.println("sendline out:" + data);
120 ps.println(data);
121 ps.flush();
122
123 //
124 // Conversion of the DataInputStream due to deprication.
125 //
126 // String s = dis.readLine();
127 //
128 String s = buf_reader.readLine();
129 System.out.println("sendline in:" + s);
130 return s;
131 }
132
133
134 /**
135 * Main routine, for running as a standalone application.
136 */
137 public static void main(String args[]) {
138
139 CheckMail ap = new CheckMail();
140 ap.serverHostName = "localhost";
141 ap.standalone = true;
142
143 ClosableFrame fr = new ClosableFrame("CheckMail");
144 ap.init();
145 fr.add("Center", ap);
146 fr.setSize(300, 300);
147 fr.setVisible(true);
148 ap.start();
149 }
150
151 public Socket getSocket() {
152 return socket;
153 }
154
155 public void setSocket(Socket socket) {
156 this.socket = socket;
157 }
158
159 public String getServerHostName() {
160 return serverHostName;
161 }
162
163 public void setServerHostName(String serverHostName) {
164 this.serverHostName = serverHostName;
165 }
166
167 public PrintWriter getPs() {
168 return ps;
169 }
170
171 public void setPs(PrintWriter ps) {
172 this.ps = ps;
173 }
174
175 public InetAddress getRina() {
176 return rina;
177 }
178
179 public void setRina(InetAddress rina) {
180 this.rina = rina;
181 }
182
183 public InetAddress getLina() {
184 return lina;
185 }
186
187 public void setLina(InetAddress lina) {
188 this.lina = lina;
189 }
190
191 public int getPopPort() {
192 return popPort;
193 }
194
195 public void setPopPort(int popPort) {
196 this.popPort = popPort;
197 }
198
199 public boolean isStandalone() {
200 return standalone;
201 }
202
203 public void setStandalone(boolean standalone) {
204 this.standalone = standalone;
205 }
206
207 public net.mail.swing.CheckMailPanel getForm() {
208 return form;
209 }
210
211 public void setForm(net.mail.swing.CheckMailPanel form) {
212 this.form = form;
213 }
214
215 public BufferedReader getBuf_reader() {
216 return buf_reader;
217 }
218
219 public void setBuf_reader(BufferedReader buf_reader) {
220 this.buf_reader = buf_reader;
221 }
222 }
223
224
225 class CheckMailPanel
226 extends JPanel implements ActionListener {
227
228 private CheckMail applet;
229
230 // The form's elements...
231 private JLabel idLabel;
232 private JTextField idField;
233 private JLabel pswdLabel;
234 private JPasswordField pswdField;
235 private JButton button;
236 private JLabel resultLabel;
237 private JTextField resultField;
238
239
240
241 /**
242 * The constructor.
243 */
244 public CheckMailPanel(CheckMail ap) {
245
246 applet = ap;
247 setBackground(Color.blue);
248 setLayout(new GridLayout(7, 1));
249
250 // Instantiate all the elements, and add them to the form...
251 add(button = new JButton("Check For Mail"));
252 button.addActionListener(this);
253 add(idLabel = new JLabel("Id:"));
254 add(idField = new JTextField(20));
255 add(pswdLabel = new JLabel("Password:"));
256 add(pswdField = new JPasswordField(20));
257 add(resultLabel = new JLabel("Messages Waiting:"));
258 add(resultField = new JTextField(6));
259 resultField.setEditable(false);
260
261 // Set the size of the form
262 setSize(250, 250);
263 }
264
265
266 /**
267 * Return the value of the ID field in the form.
268 */
269 public String getId() {
270 return idField.getText();
271 }
272
273
274 /**
275 * Return the value of the password field in the form.
276 */
277 public String getPswd() {
278 return new String(pswdField.getPassword());
279 }
280
281
282 //
283 // Updated to the new Event model.
284 //
285 public void actionPerformed(ActionEvent e) {
286
287 if (e.getSource() == button) {
288
289 try {
290 applet.checkForMail();
291 } catch (Exception ex) {
292 applet.showStatus("Error; unable to check for messages:\n " + ex.toString());
293 return;
294 }
295 applet.showStatus("Completed.");
296 }
297 }
298
299 public CheckMail getApplet() {
300 return applet;
301 }
302
303 public void setApplet(CheckMail applet) {
304 this.applet = applet;
305 }
306
307 public JLabel getIdLabel() {
308 return idLabel;
309 }
310
311 public void setIdLabel(JLabel idLabel) {
312 this.idLabel = idLabel;
313 }
314
315 public JTextField getIdField() {
316 return idField;
317 }
318
319 public void setIdField(JTextField idField) {
320 this.idField = idField;
321 }
322
323 public JLabel getPswdLabel() {
324 return pswdLabel;
325 }
326
327 public void setPswdLabel(JLabel pswdLabel) {
328 this.pswdLabel = pswdLabel;
329 }
330
331 public JPasswordField getPswdField() {
332 return pswdField;
333 }
334
335 public void setPswdField(JPasswordField pswdField) {
336 this.pswdField = pswdField;
337 }
338
339 public JButton getButton() {
340 return button;
341 }
342
343 public void setButton(JButton button) {
344 this.button = button;
345 }
346
347 public JLabel getResultLabel() {
348 return resultLabel;
349 }
350
351 public void setResultLabel(JLabel resultLabel) {
352 this.resultLabel = resultLabel;
353 }
354
355 public JTextField getResultField() {
356 return resultField;
357 }
358
359 public void setResultField(JTextField resultField) {
360 this.resultField = resultField;
361 }
362 }
363
364