Source Code Cross Referenced for ConnectDialog.java in  » Net » Terracotta » com » tc » admin » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » Terracotta » com.tc.admin 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright
003:         * notice. All rights reserved.
004:         */
005:        package com.tc.admin;
006:
007:        import org.dijon.Button;
008:        import org.dijon.Container;
009:        import org.dijon.Dialog;
010:        import org.dijon.DialogResource;
011:        import org.dijon.Label;
012:        import org.dijon.TextField;
013:
014:        import com.tc.util.event.UpdateEvent;
015:        import com.tc.util.event.UpdateEventListener;
016:
017:        import java.awt.BorderLayout;
018:        import java.awt.Frame;
019:        import java.awt.event.ActionEvent;
020:        import java.awt.event.ActionListener;
021:        import java.awt.event.HierarchyEvent;
022:        import java.awt.event.HierarchyListener;
023:        import java.io.IOException;
024:        import java.io.InterruptedIOException;
025:        import java.util.Map;
026:
027:        import javax.management.remote.JMXConnector;
028:        import javax.swing.JPasswordField;
029:        import javax.swing.JTextField;
030:        import javax.swing.SwingUtilities;
031:        import javax.swing.Timer;
032:
033:        public final class ConnectDialog extends Dialog {
034:            private static final long DEFAULT_CONNECT_TIMEOUT_MILLIS = 8000;
035:            public static final long CONNECT_TIMEOUT_MILLIS = Long.getLong(
036:                    "com.tc.admin.connect-timeout",
037:                    DEFAULT_CONNECT_TIMEOUT_MILLIS).longValue();
038:
039:            private ServerConnectionManager m_connectManager;
040:            private long m_timeout;
041:            private ConnectionListener m_listener;
042:            private JMXConnector m_jmxc;
043:            private Thread m_mainThread;
044:            private Thread m_connectThread;
045:            private Timer m_timer;
046:            private Exception m_error;
047:            private Label m_label;
048:            private Button m_cancelButton;
049:            private final JTextField m_usernameField;
050:            private final JPasswordField m_passwordField;
051:            private final Button m_okButton;
052:            private final Button m_authCancelButton;
053:            private final Container m_emptyPanel;
054:            private final Container m_authPanel;
055:
056:            public ConnectDialog(Frame parent, ServerConnectionManager scm,
057:                    ConnectionListener listener) {
058:                super (parent, true);
059:
060:                m_connectManager = scm;
061:                m_timeout = CONNECT_TIMEOUT_MILLIS;
062:                m_listener = listener;
063:
064:                AdminClientContext acc = AdminClient.getContext();
065:                load((DialogResource) acc.topRes.child("ConnectDialog"));
066:                m_label = (Label) findComponent("ConnectLabel");
067:                m_label.setText("Connecting to " + scm + ". Please wait...");
068:                pack();
069:
070:                m_cancelButton = (Button) findComponent("CancelButton");
071:                m_cancelButton.addActionListener(new ActionListener() {
072:                    public void actionPerformed(ActionEvent ae) {
073:                        m_cancelButton.setEnabled(false);
074:                        m_mainThread.interrupt();
075:                        m_jmxc = null;
076:                        ConnectDialog.this .setVisible(false);
077:                    }
078:                });
079:                getContentPane().addHierarchyListener(new HL());
080:
081:                int delay = 1000;
082:                ActionListener taskPerformer = new ActionListener() {
083:                    public void actionPerformed(ActionEvent evt) {
084:                        setVisible(false);
085:                    }
086:                };
087:
088:                m_emptyPanel = (Container) findComponent("EmptyPanel");
089:                m_emptyPanel.setLayout(new BorderLayout());
090:
091:                m_authPanel = (Container) AdminClient.getContext().topRes
092:                        .resolve("AuthPanel");
093:
094:                Container credentialsPanel = (Container) m_authPanel
095:                        .findComponent("CredentialsPanel");
096:                m_authPanel.setVisible(false);
097:                this .m_usernameField = (JTextField) credentialsPanel
098:                        .findComponent("UsernameField");
099:                this .m_okButton = (Button) m_authPanel
100:                        .findComponent("OKButton");
101:                this .m_authCancelButton = (Button) m_authPanel
102:                        .findComponent("CancelButton");
103:
104:                // must be found last because JPasswordField is not a Dijon Component
105:                TextField passwordField = (TextField) credentialsPanel
106:                        .findComponent("PasswordField");
107:                Container passwdHolder = new Container();
108:                passwdHolder.setLayout(new BorderLayout());
109:                passwdHolder.add(m_passwordField = new JPasswordField());
110:                credentialsPanel.replaceChild(passwordField, passwdHolder);
111:
112:                m_okButton.addActionListener(new ActionListener() {
113:                    public void actionPerformed(ActionEvent ae) {
114:                        final String username = m_usernameField.getText()
115:                                .trim();
116:                        final String password = new String(m_passwordField
117:                                .getPassword()).trim();
118:                        SwingUtilities.invokeLater(new Thread() {
119:                            public void run() {
120:                                m_connectManager.setCredentials(username,
121:                                        password);
122:                                ((AuthenticatingJMXConnector) m_jmxc)
123:                                        .handleOkClick(username, password);
124:                            }
125:                        });
126:                    }
127:                });
128:                m_authCancelButton.addActionListener(new ActionListener() {
129:                    public void actionPerformed(ActionEvent ae) {
130:                        m_cancelButton.doClick();
131:                    }
132:                });
133:
134:                m_timer = new Timer(delay, taskPerformer);
135:                m_timer.setRepeats(false);
136:            }
137:
138:            private void disableAuthenticationDialog() {
139:                m_usernameField.setEnabled(false);
140:                m_passwordField.setEnabled(false);
141:                m_emptyPanel.removeAll();
142:                m_usernameField.setText("");
143:                m_passwordField.setText("");
144:                m_authPanel.setVisible(false);
145:                m_authCancelButton.setVisible(false);
146:                m_cancelButton.setVisible(true);
147:                pack();
148:                center(getOwner());
149:            }
150:
151:            private void enableAuthenticationDialog() {
152:                m_emptyPanel.add(m_authPanel);
153:                m_cancelButton.setVisible(false);
154:                m_authCancelButton.setVisible(true);
155:                m_usernameField.setEnabled(true);
156:                m_passwordField.setEnabled(true);
157:                m_authPanel.setVisible(true);
158:                m_authPanel.getRootPane().setDefaultButton(m_okButton);
159:                pack();
160:                center(getOwner());
161:                m_usernameField.grabFocus();
162:            }
163:
164:            public void setServerConnectionManager(ServerConnectionManager scm) {
165:                m_connectManager = scm;
166:                m_label.setText("Connecting to " + scm + ". Please wait...");
167:                pack();
168:            }
169:
170:            public ServerConnectionManager getServerConnectionManager() {
171:                return m_connectManager;
172:            }
173:
174:            public void setTimeout(long millis) {
175:                m_timeout = millis;
176:            }
177:
178:            public long getTimeout() {
179:                return m_timeout;
180:            }
181:
182:            public void setConnectionListener(ConnectionListener listener) {
183:                m_listener = listener;
184:            }
185:
186:            public ConnectionListener getConnectionListener() {
187:                return m_listener;
188:            }
189:
190:            public JMXConnector getConnector() {
191:                return m_jmxc;
192:            }
193:
194:            public Exception getError() {
195:                return m_error;
196:            }
197:
198:            class HL implements  HierarchyListener {
199:                public void hierarchyChanged(HierarchyEvent e) {
200:                    long flags = e.getChangeFlags();
201:
202:                    if ((flags & HierarchyEvent.SHOWING_CHANGED) != 0) {
203:                        if (isShowing()) {
204:                            m_cancelButton.setEnabled(true);
205:                            m_mainThread = new MainThread();
206:                            m_mainThread.start();
207:                        } else {
208:                            fireHandleConnect();
209:                        }
210:                    }
211:                }
212:            }
213:
214:            protected void fireHandleConnect() {
215:                if (m_listener != null) {
216:                    try {
217:                        if (m_error == null) {
218:                            m_listener.handleConnection();
219:                        } else {
220:                            m_listener.handleException();
221:                        }
222:                    } catch (RuntimeException rte) {
223:                        rte.printStackTrace();
224:                    }
225:                }
226:            }
227:
228:            // --------------------------------------------------------------------------------
229:
230:            class MainThread extends Thread {
231:
232:                private boolean m_isConnecting = true;
233:                private boolean m_join;
234:                private final ConnectionTimer m_connectionTimer = new ConnectionTimer();
235:
236:                public void run() {
237:                    m_connectThread = new ConnectThread();
238:                    try {
239:                        m_error = null;
240:                        m_jmxc = new AuthenticatingJMXConnector(
241:                                m_connectManager);
242:                        ((AuthenticatingJMXConnector) m_jmxc)
243:                                .addAuthenticationListener(new UpdateEventListener() {
244:                                    public void handleUpdate(UpdateEvent obj) {
245:                                        m_connectionTimer.stopTimer();
246:                                        m_connectionTimer.interrupt();
247:                                        enableAuthenticationDialog();
248:                                    }
249:                                });
250:                        ((AuthenticatingJMXConnector) m_jmxc)
251:                                .addCollapseListener(new UpdateEventListener() {
252:                                    public void handleUpdate(UpdateEvent obj) {
253:                                        m_connectionTimer.setTimer();
254:                                        disableAuthenticationDialog();
255:                                    }
256:                                });
257:                        ((AuthenticatingJMXConnector) m_jmxc)
258:                                .addExceptionListener(new UpdateEventListener() {
259:                                    public void handleUpdate(UpdateEvent obj) {
260:                                        m_connectionTimer.setTimer();
261:                                        m_connectionTimer.interrupt();
262:                                        disableAuthenticationDialog();
263:                                    }
264:                                });
265:
266:                        if (m_jmxc != null && m_error == null) {
267:                            m_connectThread.start();
268:                            m_connectionTimer.start();
269:                            synchronized (this ) {
270:                                while (m_isConnecting)
271:                                    wait();
272:                                if (m_join)
273:                                    m_connectThread.join(m_timeout);
274:                            }
275:                        }
276:                    } catch (IOException e) {
277:                        m_error = e;
278:                    } catch (InterruptedException e) {
279:                        m_connectThread.interrupt();
280:                        m_connectionTimer.interrupt();
281:                        disableAuthenticationDialog();
282:                        m_error = new InterruptedIOException("Interrupted");
283:                        return;
284:                    }
285:
286:                    if (m_error == null && m_connectThread.isAlive()) {
287:                        m_connectThread.interrupt();
288:                        m_error = new InterruptedIOException(
289:                                "Connection timed out");
290:                    }
291:
292:                    if (m_error != null) {
293:                        m_connectThread.interrupt();
294:                    }
295:
296:                    m_timer.start();
297:                }
298:
299:                private synchronized void connectionJoin() {
300:                    if (m_connectionTimer.isAlive()) {
301:                        m_connectionTimer.stopTimer();
302:                        m_connectionTimer.interrupt();
303:                    }
304:
305:                    m_join = true;
306:                    m_isConnecting = false;
307:                    notifyAll();
308:                }
309:
310:                private synchronized void connectionTimeout() {
311:                    m_isConnecting = false;
312:                    notifyAll();
313:                }
314:            }
315:
316:            // --------------------------------------------------------------------------------
317:
318:            class ConnectThread extends Thread {
319:
320:                public ConnectThread() {
321:                    setDaemon(true);
322:                }
323:
324:                public void run() {
325:                    try {
326:                        m_jmxc.connect(m_connectManager
327:                                .getConnectionEnvironment());
328:                        ((MainThread) m_mainThread).connectionJoin();
329:                    } catch (IOException e) {
330:                        m_error = e;
331:                    } catch (RuntimeException e) {
332:                        if (e instanceof  AuthenticatingJMXConnector.AuthenticationException) {
333:                            return;
334:                        }
335:                        m_error = e;
336:                    }
337:                }
338:            }
339:
340:            // --------------------------------------------------------------------------------
341:
342:            private class ConnectionTimer extends Thread {
343:
344:                private boolean isSet;
345:
346:                private ConnectionTimer() {
347:                    setDaemon(true);
348:                }
349:
350:                public void run() {
351:                    try {
352:                        startTimer();
353:                    } catch (InterruptedException e) {
354:                        // do nothing
355:                    }
356:                }
357:
358:                private void startTimer() throws InterruptedException {
359:                    isSet = true;
360:                    try {
361:                        Thread.sleep(m_timeout);
362:                    } catch (InterruptedException e) {
363:                        // do nothing
364:                    }
365:                    if (isSet) {
366:                        ((MainThread) m_mainThread).connectionTimeout();
367:                        return;
368:                    }
369:                    while (!isSet) {
370:                        synchronized (this ) {
371:                            wait();
372:                        }
373:                    }
374:                    ((MainThread) m_mainThread).connectionJoin();
375:                }
376:
377:                private synchronized void setTimer() {
378:                    isSet = true;
379:                    notifyAll();
380:                }
381:
382:                private synchronized void stopTimer() {
383:                    isSet = false;
384:                    notifyAll();
385:                }
386:            }
387:
388:            // --------------------------------------------------------------------------------
389:
390:            void tearDown() {
391:                Map env = m_connectManager.getConnectionEnvironment();
392:                if (env != null) {
393:                    env.clear();
394:                }
395:
396:                m_connectManager = null;
397:                m_listener = null;
398:                m_jmxc = null;
399:                m_mainThread = null;
400:                m_connectThread = null;
401:                m_cancelButton = null;
402:                m_timer = null;
403:                m_error = null;
404:            }
405:        }
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