Source Code Cross Referenced for EndpointConfigurationInfo.java in  » Portal » jboss-portal-2.6.4 » org » jboss » portal » wsrp » consumer » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » jboss portal 2.6.4 » org.jboss.portal.wsrp.consumer 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /******************************************************************************
002:         * JBoss, a division of Red Hat                                               *
003:         * Copyright 2007, Red Hat Middleware, LLC, and individual                    *
004:         * contributors as indicated by the @authors tag. See the                     *
005:         * copyright.txt in the distribution for a full listing of                    *
006:         * individual contributors.                                                   *
007:         *                                                                            *
008:         * This is free software; you can redistribute it and/or modify it            *
009:         * under the terms of the GNU Lesser General Public License as                *
010:         * published by the Free Software Foundation; either version 2.1 of           *
011:         * the License, or (at your option) any later version.                        *
012:         *                                                                            *
013:         * This software is distributed in the hope that it will be useful,           *
014:         * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
015:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU           *
016:         * Lesser General Public License for more details.                            *
017:         *                                                                            *
018:         * You should have received a copy of the GNU Lesser General Public           *
019:         * License along with this software; if not, write to the Free                *
020:         * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA         *
021:         * 02110-1301 USA, or see the FSF site: http://www.fsf.org.                   *
022:         ******************************************************************************/package org.jboss.portal.wsrp.consumer;
023:
024:        import org.jboss.logging.Logger;
025:        import org.jboss.portal.common.util.ParameterValidation;
026:        import org.jboss.portal.portlet.InvokerUnavailableException;
027:        import org.jboss.portal.wsrp.core.WSRP_v1_Markup_PortType;
028:        import org.jboss.portal.wsrp.core.WSRP_v1_PortletManagement_PortType;
029:        import org.jboss.portal.wsrp.core.WSRP_v1_Registration_PortType;
030:        import org.jboss.portal.wsrp.core.WSRP_v1_ServiceDescription_PortType;
031:        import org.jboss.portal.wsrp.services.PerEndpointSOAPInvokerServiceFactory;
032:        import org.jboss.portal.wsrp.services.RemoteSOAPInvokerServiceFactory;
033:        import org.jboss.portal.wsrp.services.ServiceFactory;
034:
035:        import java.util.BitSet;
036:
037:        /**
038:         * @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
039:         * @version $Revision: 9135 $
040:         * @since 2.6
041:         */
042:        public class EndpointConfigurationInfo {
043:            private final static Logger log = Logger
044:                    .getLogger(EndpointConfigurationInfo.class);
045:
046:            /** DB primary key */
047:            private Long key;
048:
049:            private String persistentServiceDescriptionURL = UNSET;
050:            private String persistentMarkupURL = UNSET;
051:            private String persistentRegistrationURL;
052:            private String persistentPortletManagementURL;
053:            private String persistentWsdlDefinitionURL = UNSET;
054:
055:            // transient variables
056:            /** Access to the WS */
057:            private ServiceFactory serviceFactory;
058:
059:            static final String SERVICE_DESCRIPTION = "service description";
060:            static final String MARKUP = "markup";
061:            static final String PORTLET_MANAGEMENT = "portlet management";
062:            static final String REGISTRATION = "registration";
063:
064:            // Used to ensure that even invalid values can be persisted to DB so that it can be accessed from the GUI
065:            public final static String UNSET = "MUST BE SET";
066:
067:            // maintain the dirty status of each URL
068:            private BitSet clean = new BitSet();
069:            private final static int SD = 0;
070:            private final static int M = 1;
071:            private final static int PM = 2;
072:            private final static int R = 3;
073:
074:            /** Whether we're using information from a WSDL or not. */
075:            private boolean usingWSDL = true;
076:            private boolean isModifiedWSDL;
077:
078:            // todo: public for tests
079:            public EndpointConfigurationInfo() {
080:            }
081:
082:            public EndpointConfigurationInfo(ProducerInfo producerInfo) {
083:                ParameterValidation.throwIllegalArgExceptionIfNull(
084:                        producerInfo, "ProducerInfo");
085:                producerInfo.setEndpointConfigurationInfo(this );
086:            }
087:
088:            public EndpointConfigurationInfo(ProducerInfo producerInfo,
089:                    ServiceFactory serviceFactory) {
090:                this (producerInfo);
091:                setServiceFactory(serviceFactory);
092:            }
093:
094:            public Long getKey() {
095:                return key;
096:            }
097:
098:            public void setKey(Long key) {
099:                this .key = key;
100:            }
101:
102:            public boolean usesWSDL() {
103:                return (isWSDLNotNullAndSet() && !isModifiedWSDL) || usingWSDL;
104:            }
105:
106:            public void setUsesWSDL(boolean useWSDL) {
107:                usingWSDL = useWSDL;
108:            }
109:
110:            public String getWsdlDefinitionURL() {
111:                if (serviceFactory instanceof  RemoteSOAPInvokerServiceFactory) {
112:                    persistentWsdlDefinitionURL = ((RemoteSOAPInvokerServiceFactory) serviceFactory)
113:                            .getWsdlDefinitionURL();
114:                }
115:
116:                return persistentWsdlDefinitionURL;
117:            }
118:
119:            public String getServiceDescriptionURL() {
120:                if (serviceFactory != null) {
121:                    persistentServiceDescriptionURL = serviceFactory
122:                            .getServiceDescriptionURL();
123:                }
124:                return persistentServiceDescriptionURL;
125:            }
126:
127:            public String getMarkupURL() {
128:                if (serviceFactory != null) {
129:                    persistentMarkupURL = serviceFactory.getMarkupURL();
130:                }
131:                return persistentMarkupURL;
132:            }
133:
134:            public String getPortletManagementURL() {
135:                if (serviceFactory != null) {
136:                    persistentPortletManagementURL = serviceFactory
137:                            .getPortletManagementURL();
138:                }
139:                return persistentPortletManagementURL;
140:            }
141:
142:            public String getRegistrationURL() {
143:                if (serviceFactory != null) {
144:                    persistentRegistrationURL = serviceFactory
145:                            .getRegistrationURL();
146:                }
147:                return persistentRegistrationURL;
148:            }
149:
150:            public void setServiceDescriptionURL(String serviceDescriptionURL) {
151:                if (serviceFactory != null) {
152:                    serviceFactory
153:                            .setServiceDescriptionURL(serviceDescriptionURL);
154:                }
155:                this .persistentServiceDescriptionURL = modifyIfNeeded(
156:                        this .persistentServiceDescriptionURL,
157:                        serviceDescriptionURL, SD);
158:
159:            }
160:
161:            public void setMarkupURL(String markupURL) {
162:                if (serviceFactory != null) {
163:                    serviceFactory.setMarkupURL(markupURL);
164:                }
165:                this .persistentMarkupURL = modifyIfNeeded(
166:                        this .persistentMarkupURL, markupURL, M);
167:            }
168:
169:            public void setRegistrationURL(String registrationURL) {
170:                if (serviceFactory != null) {
171:                    serviceFactory.setRegistrationURL(registrationURL);
172:                }
173:                this .persistentRegistrationURL = modifyIfNeeded(
174:                        this .persistentRegistrationURL, registrationURL, R);
175:            }
176:
177:            public void setPortletManagementURL(String portletManagementURL) {
178:                if (serviceFactory != null) {
179:                    serviceFactory
180:                            .setPortletManagementURL(portletManagementURL);
181:                }
182:                this .persistentPortletManagementURL = modifyIfNeeded(
183:                        this .persistentPortletManagementURL,
184:                        portletManagementURL, PM);
185:            }
186:
187:            public void setWsdlDefinitionURL(String wsdlDefinitionURL)
188:                    throws RuntimeException {
189:                this .persistentWsdlDefinitionURL = wsdlDefinitionURL;
190:
191:                // WSDL url is optional so can be null (and in particular, it is when loaded from Hibernate most of the time)
192:                // do not attempt to set the URL if the service factory hasn't been created yet to avoid issues when
193:                // ConsumerRegistry starts (in particular, raising an exception if the WSDL is not available)
194:                if (isWSDLNotNullAndSet()) {
195:                    usingWSDL = true;
196:
197:                    if (serviceFactory != null) {
198:                        if (!(serviceFactory instanceof  RemoteSOAPInvokerServiceFactory)) {
199:                            serviceFactory = new RemoteSOAPInvokerServiceFactory();
200:                        }
201:                        internalSetWsdlURL();
202:                    }
203:                } else {
204:                    usingWSDL = false;
205:                }
206:            }
207:
208:            private boolean isWSDLNotNullAndSet() {
209:                return persistentWsdlDefinitionURL != null
210:                        && !UNSET.equals(persistentWsdlDefinitionURL);
211:            }
212:
213:            private String modifyIfNeeded(String oldValue, String newValue,
214:                    int whichURL) {
215:                if ((oldValue != null && !oldValue.equals(newValue))
216:                        || (oldValue == null && newValue != null)) {
217:                    if (usesWSDL()) {
218:                        if (serviceFactory instanceof  RemoteSOAPInvokerServiceFactory) {
219:                            isModifiedWSDL = true;
220:                        }
221:
222:                        usingWSDL = false;
223:                    }
224:
225:                    oldValue = newValue;
226:                    clean.clear(whichURL);
227:                }
228:
229:                return oldValue;
230:            }
231:
232:            private void initServiceFactoryIfNeeded() throws RuntimeException {
233:                if (serviceFactory == null) {
234:                    if (usesWSDL()) {
235:                        serviceFactory = new RemoteSOAPInvokerServiceFactory();
236:                        internalSetWsdlURL();
237:                    } else {
238:                        if (!UNSET.equals(persistentServiceDescriptionURL)
239:                                && !UNSET.equals(persistentMarkupURL)) {
240:                            serviceFactory = new PerEndpointSOAPInvokerServiceFactory();
241:                            serviceFactory
242:                                    .setServiceDescriptionURL(persistentServiceDescriptionURL);
243:                            serviceFactory.setMarkupURL(persistentMarkupURL);
244:                            serviceFactory
245:                                    .setPortletManagementURL(persistentPortletManagementURL);
246:                            serviceFactory
247:                                    .setRegistrationURL(persistentRegistrationURL);
248:                        } else {
249:                            throw new IllegalStateException(
250:                                    "Cannot initialize ServiceFactory: missing either service description or markup URLs!");
251:                        }
252:                    }
253:
254:                    startServiceFactoryIfNeeded();
255:                }
256:            }
257:
258:            private void startServiceFactoryIfNeeded() {
259:                if (!serviceFactory.isAvailable()) {
260:                    if (!serviceFactory.isFailed()) {
261:                        try {
262:                            serviceFactory.start();
263:                            refreshServices();
264:                        } catch (Exception e) {
265:                            throw new ConsumerException(
266:                                    "Couldn't start ServiceFactory", e);
267:                        }
268:                    } else {
269:                        throw new ConsumerException(
270:                                "ServiceFactory has an error condition that couldn't be recovered from.");
271:                    }
272:                }
273:            }
274:
275:            private void internalSetWsdlURL() {
276:                try {
277:                    ((RemoteSOAPInvokerServiceFactory) serviceFactory)
278:                            .setWsdlDefinitionURL(persistentWsdlDefinitionURL);
279:
280:                    // update the URLs based on WSDL information
281:                    persistentMarkupURL = serviceFactory.getMarkupURL();
282:                    persistentPortletManagementURL = serviceFactory
283:                            .getPortletManagementURL();
284:                    persistentRegistrationURL = serviceFactory
285:                            .getRegistrationURL();
286:                    persistentServiceDescriptionURL = serviceFactory
287:                            .getServiceDescriptionURL();
288:
289:                    clean.set(0, 4); // if setting the WSDL URL worked, consider everything clean
290:                    isModifiedWSDL = false;
291:                } catch (Exception e) {
292:                    throw new RuntimeException(e);
293:                }
294:            }
295:
296:            public void start() throws Exception {
297:                initServiceFactoryIfNeeded();
298:            }
299:
300:            public void stop() throws Exception {
301:                getServiceFactory().stop();
302:            }
303:
304:            // todo: public for tests
305:            public ServiceFactory getServiceFactory() {
306:                initServiceFactoryIfNeeded();
307:                startServiceFactoryIfNeeded();
308:                return serviceFactory;
309:            }
310:
311:            // todo: public for tests
312:            public void setServiceFactory(ServiceFactory serviceFactory) {
313:                ParameterValidation.throwIllegalArgExceptionIfNull(
314:                        serviceFactory, "ServiceFactory");
315:
316:                this .serviceFactory = serviceFactory;
317:                persistentServiceDescriptionURL = serviceFactory
318:                        .getServiceDescriptionURL();
319:                persistentMarkupURL = serviceFactory.getMarkupURL();
320:                persistentPortletManagementURL = serviceFactory
321:                        .getPortletManagementURL();
322:                persistentRegistrationURL = serviceFactory.getRegistrationURL();
323:
324:                if (serviceFactory instanceof  RemoteSOAPInvokerServiceFactory) {
325:                    persistentWsdlDefinitionURL = ((RemoteSOAPInvokerServiceFactory) serviceFactory)
326:                            .getWsdlDefinitionURL();
327:                }
328:
329:            }
330:
331:            // todo: public for tests
332:            public WSRP_v1_ServiceDescription_PortType getServiceDescriptionService()
333:                    throws InvokerUnavailableException {
334:                return (WSRP_v1_ServiceDescription_PortType) getService(
335:                        SERVICE_DESCRIPTION,
336:                        WSRP_v1_ServiceDescription_PortType.class);
337:            }
338:
339:            // todo: public for tests
340:            public WSRP_v1_Markup_PortType getMarkupService()
341:                    throws InvokerUnavailableException {
342:                return (WSRP_v1_Markup_PortType) getService(MARKUP,
343:                        WSRP_v1_Markup_PortType.class);
344:            }
345:
346:            // todo: public for tests
347:            public WSRP_v1_PortletManagement_PortType getPortletManagementService()
348:                    throws InvokerUnavailableException {
349:                return (WSRP_v1_PortletManagement_PortType) getService(
350:                        PORTLET_MANAGEMENT,
351:                        WSRP_v1_PortletManagement_PortType.class);
352:            }
353:
354:            // todo: public for tests
355:            public WSRP_v1_Registration_PortType getRegistrationService()
356:                    throws InvokerUnavailableException {
357:                return (WSRP_v1_Registration_PortType) getService(REGISTRATION,
358:                        WSRP_v1_Registration_PortType.class);
359:            }
360:
361:            private Object getService(String description, Class clazz)
362:                    throws InvokerUnavailableException {
363:                try {
364:                    Object service = getServiceFactory().getService(clazz);
365:                    clean.set(getIndexFor(clazz));
366:                    return service;
367:                } catch (Exception e) {
368:                    throw new InvokerUnavailableException("Couldn't access "
369:                            + description + " service. Cause: "
370:                            + e.getLocalizedMessage(), e);
371:                }
372:            }
373:
374:            private int getIndexFor(Class clazz) {
375:                if (clazz == WSRP_v1_ServiceDescription_PortType.class) {
376:                    return SD;
377:                }
378:                if (clazz == WSRP_v1_Markup_PortType.class) {
379:                    return M;
380:                }
381:                if (clazz == WSRP_v1_PortletManagement_PortType.class) {
382:                    return PM;
383:                }
384:                return R;
385:            }
386:
387:            public boolean isAvailable() {
388:                try {
389:                    return getServiceFactory().isAvailable();
390:                } catch (Exception e) {
391:                    return false;
392:                }
393:            }
394:
395:            public boolean isRefreshNeeded() {
396:                boolean result = !isAvailable() || areURLsDirty();
397:                if (result) {
398:                    log.debug("Refresh needed");
399:                }
400:                return result;
401:            }
402:
403:            private boolean areURLsDirty() {
404:                return !clean.get(SD)
405:                        || !clean.get(M)
406:                        || (persistentPortletManagementURL != null && !clean
407:                                .get(PM))
408:                        || (persistentRegistrationURL != null && !clean.get(R));
409:            }
410:
411:            public void refresh() throws InvokerUnavailableException {
412:                if (isRefreshNeeded()) {
413:                    initServiceFactoryIfNeeded();
414:                    refreshServices();
415:                }
416:            }
417:
418:            private void refreshServices() throws InvokerUnavailableException {
419:                if (areURLsDirty()) {
420:                    getServiceDescriptionService();
421:                    getMarkupService();
422:                    if (persistentPortletManagementURL != null) {
423:                        getPortletManagementService();
424:                    }
425:                    if (persistentRegistrationURL != null) {
426:                        getRegistrationService();
427:                    }
428:                }
429:            }
430:        }
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