litesoft
@ 950
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 |
// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.eventbus.client; import org.litesoft.GWT.client.*; import org.litesoft.GWT.client.logging.*; import org.litesoft.GWT.eventbus.client.eventpackages.*; import org.litesoft.GWT.eventbus.client.nonpublic.*; import org.litesoft.GWT.eventbus.client.rpc.*; import org.litesoft.commonfoundation.typeutils.gregorian.*; import org.litesoft.logger.*; import org.litesoft.loggerconfig.*; import com.google.gwt.event.logical.shared.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.rpc.*; import com.google.gwt.user.client.ui.*; public abstract class AbstractClientEventBusApp extends AbstractClientMainAppEntryPoint { private static String sVersion = "N/A"; private static ClientEventBus sEventBus = null; private static int sClientIdNumber; protected static String sEncodedClientId = null; private WindowNameClientIdCodec mWindowNameClientIdCodec; protected DecendantManager mDecendantManager; private EventBusRemoteServiceAsync mRemoteServiceAsync = null; public static String getVersion() { return sVersion; } public static ClientEventBus getEventBus() { return sEventBus; } public static void initializeEventBus( String pEncodedClientId ) { System.out.println( "initializeEventBus: " + pEncodedClientId ); // todo: ... } public static void pollEventBus() { ClientEventBus zBus = getEventBus(); if ( zBus != null ) { zBus.pollNow(); } } public static void streamClosed() { System.out.println( "streamClosed" ); Window.alert( "streamClosed" ); // todo: ... } public static int getClientIdNumber() { ClientEventBus zBus = getEventBus(); return (zBus != null) ? zBus.getClientIdNumber() : 0; } protected AbstractClientEventBusApp( AppNames pAppNames ) { super( pAppNames ); mWindowNameClientIdCodec = new WindowNameClientIdCodec( pAppNames ); mDecendantManager = new DecendantManager( mWindowNameClientIdCodec ); } @Override public void onAppLoad() { super.onAppLoad(); mRemoteServiceAsync = createRemoteServiceProxy(); String zEncodedClientId = mWindowNameClientIdCodec.extractEncodedClientId( WindowName.get() ); initializeEventBusConnection( zEncodedClientId ); } @Override public void onClose( CloseEvent<Window> pEvent ) { super.onClose( pEvent ); sEventBus.dispose( "WindowClosed" ); if ( (mRemoteServiceAsync != null) && (sEncodedClientId != null) ) { try { mRemoteServiceAsync.clientDead( sClientIdNumber, new TossingAsyncCallback() ); } catch ( RuntimeException e ) { System.err.println( "ClientEventBusApp.WindowClosed" ); e.printStackTrace(); } } } @Override public void nativeCodeInjection() { super.nativeCodeInjection(); NativeClientEventBusSupport.export(); } @Override public void nativeCodeDispose() { super.nativeCodeDispose(); NativeClientEventBusSupport.dispose(); } protected void initializeLoggerFactory() { //noinspection NonJREEmulationClassesInClientCode LoggerFactory.init( new ConfigurationLoggerLevel(), BrowserAsLogSyncFactory.INSTANCE ); } protected void initializeEventBusConnection( String pEncodedClientId ) { ((ServiceDefTarget) mRemoteServiceAsync).setServiceEntryPoint( extractEntryName() ); mRemoteServiceAsync.initialize( pEncodedClientId, new AppInitializationCallback() ); } private static final String ASYNC_NAME_PROXY_TAIL = "_Proxy"; private String extractEntryName() { String zTypeName = mRemoteServiceAsync.getClass().getName(); if ( !zTypeName.endsWith( ASYNC_NAME_PROXY_TAIL ) ) { throw new IllegalStateException( zTypeName + " did not end with '" + ASYNC_NAME_PROXY_TAIL + "'" ); } int lastDot = zTypeName.lastIndexOf( '.' ); if ( lastDot == -1 ) { throw new IllegalStateException( zTypeName + " may not live in the default package" ); } return zTypeName.substring( lastDot + 1, zTypeName.length() - ASYNC_NAME_PROXY_TAIL.length() ); } protected int getPollSecs() { return 5; } abstract protected EventBusRemoteServiceAsync createRemoteServiceProxy(); /** * @noinspection NonJREEmulationClassesInClientCode */ protected Logger createClientEventBusLogger( int pClientIdNumber ) { return null; } abstract protected void appReady( AuthenticationData pAuthenticationData ); protected void sessionLost() { UtilsGwt.closeWindowNoConfirm( getSessionLostWindowAlertText() ); } protected String getSessionLostWindowAlertText() { return "Your session with the server has been lost.\nYou will need to reconnect.\nThe application window will now attempt to close."; } protected void addEventListenersForNewClient( EventSubscriptionCollector pCollector ) { } private void initialSubscriptions( EventBus pEventBus ) { EventSubscriptionCollector collector = new EventSubscriptionCollector(); addEventListenersForNewClient( collector ); collector.subscribe( new OpenNewClientPackageListener() ); collector.subscribe( new CloseClientPackageListener() ); collector.subscribe( new NoServerEventBusPackageListener() ); collector.subscribe( new RelatedClientToFrontPackageListener() ); mDecendantManager.addEventListenersForNewClient( collector ); pEventBus.subscribe( collector ); } protected void finalPrep( ChannelEventPackage pInitialChannelEvent, AuthenticationData pAuthenticationData ) { System.err.println( new UtilDateAdaptor() + " | Client AppReady" ); appReady( pAuthenticationData ); } protected void closeClientRequested() { UtilsGwt.closeWindowNoConfirm( 1 ); } private class AppInitializationCallback implements AsyncCallback<AppInitializationResult> { public void onFailure( Throwable pThrowable ) { String message; if ( pThrowable instanceof InvocationException ) { // see javadoc for InvocationException message = "A connection could not be established with the server"; } else if ( pThrowable instanceof IncompatibleRemoteServiceException ) { /* * This _should_ not happen to users, so long as the .nocache * file isn't cached by the client. */ message = "Client and server versions are incompatible. Try ctrl-clicking " + "or shift-clicking the browser refresh button, or clearing your " + "browser's cache in 'Internet Options' / your browser's preferences. "; } else { // probably an application-specific execption on the server message = "An application error occured on the server"; } reportFailure( pThrowable, "onFailure()", message ); } public void onSuccess( AppInitializationResult result ) { System.err.println( new UtilDateAdaptor() + " | Client AppInitialization" ); if ( result == null ) { UtilsGwt.closeWindowNoConfirm( 5 ); return; } ClientEventBus ceb = null; try { new ClientConfiguration( result.getClientConfig() ); // This line must preceed the next initializeLoggerFactory(); // ......................... This line must follow the previous AlertManager.setVersion( sVersion = result.getApplicationVersion() ); sClientIdNumber = result.getClientIdNumber(); sEncodedClientId = result.getEncodedClientId(); WindowName.set( mWindowNameClientIdCodec.createWindowName( sEncodedClientId ) ); ceb = new ClientEventBus( sClientIdNumber ); ceb.initialize( mRemoteServiceAsync, getPollSecs(), createClientEventBusLogger( sClientIdNumber ) ); if ( ceb.getLogger().debug.isEnabled() ) { UtilsGwt.addWindowNameToWindowTitle(); } ChannelServicePackage zPackage = result.getChannelServicePackage(); if ( zPackage != null ) { ceb.propagateFromRemotePeerService( zPackage ); } initialSubscriptions( ceb ); sEventBus = ceb; finalPrep( result.getInitialChannelEvent(), result.getAuthenticationData() ); ceb.release(); } catch ( RedirectClientException e ) { if ( ceb != null ) { ceb.dispose( "Redirect" ); } UtilsGwt.redirect( e.getRedirectTo() ); } catch ( RuntimeException e ) { reportFailure( e, "onSuccess()", null ); } } private void reportFailure( Throwable pThrowable, String method, String message ) { pThrowable.printStackTrace(); // prints the trace in the GWT hosted shell String html = "<h1>Application Initialization Failed</h1>" + "<p>" + message + "</p>" + "<p>at " + getClass().getName() + "." + method + "</p>" + "<p>Exception: </p>" + "<p><pre>" + pThrowable + "</pre></p>"; DOM.setInnerHTML( RootPanel.getBodyElement(), html ); } } private class NoServerEventBusPackageListener implements EventPackageSubscriber { public String subscribeWith() { return NoServerEventBusEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { sessionLost(); } } private class RelatedClientToFrontPackageListener implements EventPackageSubscriber { public String subscribeWith() { return RelatedClientToFrontEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { int id = ((RelatedClientToFrontEventPackage) pEventPackage).getClientId(); mDecendantManager.decendantToFront( id ); } } private class CloseClientPackageListener implements EventPackageSubscriber { public String subscribeWith() { return CloseClientEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { closeClientRequested(); } } private class OpenNewClientPackageListener implements EventPackageSubscriber { public String subscribeWith() { return OpenNewClientEventPackage.SubscribeWith; } public void packageReceivedVia( EventPackage pEventPackage, EventBus pEventBus ) { OpenNewClientEventPackage onc = (OpenNewClientEventPackage) pEventPackage; String url = UtilsGwt.getURL(); String windowName = mWindowNameClientIdCodec.createWindowName( onc.getNewEncodedClientId() ); openChildWindow( windowName, url ); } } protected void openChildWindow( String pWinName, String pUrl ) { UtilsGwt.windowOpenChromeless( pUrl, pWinName ); // Other Features: // "hotkeys=0" + // Netscape!, FireFox?, IE? // "screenX=nnnn,screenY=nnnn," + // Netscape!, FireFox?, // IE? // width=100,height=100," + } private static class TossingAsyncCallback implements AsyncCallback<Object> { public void onFailure( Throwable caught ) { if ( !sWindowClosing && (caught != null) ) { System.err.println( "ClientEventBusApp.TossingAsyncCallback.onFailure" ); caught.printStackTrace(); } } public void onSuccess( Object result ) { } } } |
Commits for litesoft/trunk/Java/GWT/OldClient/src/org/litesoft/GWT/eventbus/client/AbstractClientEventBusApp.java
Revision | Author | Commited | Message |
---|---|---|---|
950 Diff | GeorgeS | Thu 19 Jun, 2014 17:57:04 +0000 | New Lines |
948 Diff | GeorgeS | Sat 07 Jun, 2014 23:42:39 +0000 | Jusefuls Formatter Updated to New Code Format |
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
942 Diff | GeorgeS | Mon 02 Jun, 2014 23:41:46 +0000 | Extracting commonfoundation |
60 Diff | GeorgeS | Tue 24 Aug, 2010 00:37:36 +0000 | |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |