Source Code Cross Referenced for SOAPDataSource.java in  » Ajax » Laszlo-4.0.10 » org » openlaszlo » data » swf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » Laszlo 4.0.10 » org.openlaszlo.data.swf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* ****************************************************************************
002:         * SOAPDataSource.java
003:         * ****************************************************************************/
004:
005:        /* J_LZ_COPYRIGHT_BEGIN *******************************************************
006:         * Copyright 2001-2007 Laszlo Systems, Inc.  All Rights Reserved.              *
007:         * Use is subject to license terms.                                            *
008:         * J_LZ_COPYRIGHT_END *********************************************************/
009:
010:        package org.openlaszlo.data.swf;
011:
012:        import org.openlaszlo.data.*;
013:        import org.openlaszlo.iv.flash.api.FlashFile;
014:        import org.openlaszlo.iv.flash.api.Frame;
015:        import org.openlaszlo.iv.flash.api.Script;
016:        import org.openlaszlo.iv.flash.api.action.DoAction;
017:        import org.openlaszlo.iv.flash.util.FlashOutput;
018:        import org.openlaszlo.iv.flash.util.IVException;
019:        import org.openlaszlo.iv.flash.api.action.Actions;
020:        import org.openlaszlo.iv.flash.api.action.Program;
021:        import org.openlaszlo.iv.flash.util.FlashBuffer;
022:        import org.openlaszlo.server.LPS; // LoadCount belongs in utils
023:        import org.openlaszlo.servlets.LoadCount;
024:        import org.openlaszlo.media.MimeType;
025:        import org.openlaszlo.remote.swf.soap.LZSOAPService;
026:        import org.openlaszlo.remote.swf.soap.WSDLException;
027:        import org.openlaszlo.remote.swf.soap.WSDLParser;
028:        import org.openlaszlo.remote.swf.soap.encoding.SOAPDataEncoder;
029:        import org.openlaszlo.server.LPS;
030:        import org.openlaszlo.xml.internal.XMLUtils;
031:        import java.io.ByteArrayInputStream;
032:        import java.io.File;
033:        import java.io.InputStream;
034:        import java.io.InterruptedIOException;
035:        import java.io.IOException;
036:        import java.io.StringReader;
037:        import java.net.URLDecoder;
038:        import java.net.URLEncoder;
039:        import java.rmi.RemoteException;
040:        import java.util.Date;
041:        import java.util.HashMap;
042:        import java.util.Iterator;
043:        import java.util.Properties;
044:        import java.util.Vector;
045:        import javax.xml.parsers.DocumentBuilder;
046:        import javax.xml.parsers.DocumentBuilderFactory;
047:        import javax.xml.parsers.ParserConfigurationException;
048:        import javax.xml.rpc.ServiceException;
049:        import javax.servlet.http.HttpServletRequest;
050:        import javax.servlet.http.HttpServletResponse;
051:        import org.apache.axis.message.SOAPBodyElement;
052:        import org.apache.axis.AxisFault;
053:        import org.apache.log4j.Logger;
054:        import org.xml.sax.InputSource;
055:        import org.xml.sax.SAXException;
056:        import org.w3c.dom.DOMException;
057:        import org.w3c.dom.Element;
058:        import org.w3c.dom.NodeList;
059:        import org.w3c.dom.Text;
060:        import org.apache.axis.AxisProperties;
061:        import org.apache.axis.configuration.EngineConfigurationFactoryDefault;
062:        import org.apache.axis.components.net.DefaultCommonsHTTPClientProperties;
063:        import org.apache.axis.message.SOAPHeader;
064:
065:        /**
066:         * Data source for SOAP.
067:         */
068:        public class SOAPDataSource extends DataSource {
069:            private static Logger mLogger = Logger
070:                    .getLogger(SOAPDataSource.class);
071:
072:            /** Static document builder. */
073:            static DocumentBuilder mBuilder = null;
074:
075:            static String mLoadOption;
076:
077:            static HashMap mServiceMap = new HashMap();
078:
079:            //------------------------------------------------------------
080:            // Begin soap info variables
081:            //------------------------------------------------------------
082:
083:            static long mLastCleared = -1;
084:
085:            static LoadCount mInvokeLoad = new LoadCount(10);
086:            static LoadCount mGetServiceLoad = new LoadCount(10);
087:
088:            //------------------------------------------------------------
089:            // End soap info variables
090:            //------------------------------------------------------------
091:
092:            {
093:                DocumentBuilderFactory factory = DocumentBuilderFactory
094:                        .newInstance();
095:                try {
096:                    mBuilder = factory.newDocumentBuilder();
097:                } catch (ParserConfigurationException e) {
098:                    System.err.println(
099:                    /* (non-Javadoc)
100:                     * @i18n.test
101:                     * @org-mes="Can't create DocumentBuilder"
102:                     */
103:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
104:                            SOAPDataSource.class.getName(), "051018-104"));
105:                }
106:
107:                mLoadOption = LPS.getProperty("rpc.soap.wsdlLoadOption",
108:                        "always");
109:                if (mLogger.isDebugEnabled()) {
110:                    mLogger.debug(
111:                    /* (non-Javadoc)
112:                     * @i18n.test
113:                     * @org-mes="WSDL load option is set to \"" + p[0] + "\""
114:                     */
115:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
116:                            SOAPDataSource.class.getName(), "051018-116",
117:                            new Object[] { mLoadOption }));
118:                }
119:            }
120:
121:            public SOAPDataSource() {
122:                clearLoadInfo();
123:
124:                //------------------------------------------------------------
125:                // AXIS CommonsHTTPClient properties
126:                //------------------------------------------------------------
127:                String clientConfigFile = LPS.getProperties().getProperty(
128:                        "axis.clientConfigFile",
129:                        LPS.getConfigDirectory() + File.separatorChar
130:                                + "client-config.wsdd");
131:
132:                AxisProperties
133:                        .setProperty(
134:                                EngineConfigurationFactoryDefault.OPTION_CLIENT_CONFIG_FILE,
135:                                clientConfigFile);
136:
137:                // Reuse HTTPDataSource HttpClient properties.
138:                AxisProperties
139:                        .setProperty(
140:                                DefaultCommonsHTTPClientProperties.MAXIMUM_TOTAL_CONNECTIONS_PROPERTY_KEY,
141:                                "" + HTTPDataSource.getMaxTotalConnections());
142:                AxisProperties
143:                        .setProperty(
144:                                DefaultCommonsHTTPClientProperties.MAXIMUM_CONNECTIONS_PER_HOST_PROPERTY_KEY,
145:                                "" + HTTPDataSource.getMaxConnectionsPerHost());
146:                AxisProperties
147:                        .setProperty(
148:                                DefaultCommonsHTTPClientProperties.CONNECTION_POOL_TIMEOUT_KEY,
149:                                "" + HTTPDataSource.getConnectionPoolTimeout());
150:            }
151:
152:            /**
153:             * @return unique name of this data source
154:             */
155:            public String name() {
156:                return "soap";
157:            }
158:
159:            /**
160:             * Sends system information to client.
161:             * 
162:             * @throws DataSourceException if there was a problem retrieving or sending
163:             * the data.
164:             */
165:            public Data getData(String app, HttpServletRequest req,
166:                    HttpServletResponse res, long lastModifiedTime)
167:                    throws InterruptedIOException, IOException,
168:                    DataSourceException {
169:                if (mLogger.isDebugEnabled()) {
170:                    mLogger.debug("getData");
171:                }
172:
173:                String request = req.getParameter("request");
174:                if (request == null || request.equals(""))
175:                    request = "invoke";
176:
177:                int swfnum = LPS.getSWFVersionNum(req);
178:
179:                long t0, t1;
180:                t0 = System.currentTimeMillis();
181:                if (request.equals("invoke")) {
182:                    mInvokeLoad.increment();
183:                    try {
184:                        return invoke(app, req, res, swfnum);
185:                    } finally {
186:                        t1 = System.currentTimeMillis();
187:                        mInvokeLoad.decrement((int) (t1 - t0));
188:                    }
189:                } else if (request.equals("load")) {
190:                    mGetServiceLoad.increment();
191:                    try {
192:                        LZSOAPService service = getService(app, req, res, true);
193:                        return new SOAPData(service
194:                                .getClientSOAPService(swfnum));
195:                    } catch (ServiceException e) {
196:                        return exceptionToSOAPData(swfnum,
197:                                new DataSourceException(e.getMessage()));
198:                    } finally {
199:                        t1 = System.currentTimeMillis();
200:                        mGetServiceLoad.decrement((int) (t1 - t0));
201:                    }
202:                }
203:
204:                return exceptionToSOAPData(swfnum, new DataSourceException(
205:                /* (non-Javadoc)
206:                 * @i18n.test
207:                 * @org-mes="unknown SOAP datasource request"
208:                 */
209:                org.openlaszlo.i18n.LaszloMessages.getMessage(
210:                        SOAPDataSource.class.getName(), "051018-201")));
211:            }
212:
213:            public Data invoke(String app, HttpServletRequest req,
214:                    HttpServletResponse res, int swfnum) {
215:
216:                if (!req.getMethod().equals("POST")) {
217:                    mLogger.error(
218:                    /* (non-Javadoc)
219:                     * @i18n.test
220:                     * @org-mes="request must be POST"
221:                     */
222:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
223:                            SOAPDataSource.class.getName(), "051018-215"));
224:                    return exceptionToSOAPData(swfnum, new DataSourceException(
225:                    /* (non-Javadoc)
226:                     * @i18n.test
227:                     * @org-mes="request must be POST"
228:                     */
229:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
230:                            SOAPDataSource.class.getName(), "051018-215")));
231:                }
232:
233:                String xml = req.getParameter("lzpostbody");
234:                if (xml == null || xml.equals("")) {
235:                    mLogger.error(
236:                    /* (non-Javadoc)
237:                     * @i18n.test
238:                     * @org-mes="no post body"
239:                     */
240:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
241:                            SOAPDataSource.class.getName(), "051018-236"));
242:                    return exceptionToSOAPData(swfnum, new DataSourceException(
243:                    /* (non-Javadoc)
244:                     * @i18n.test
245:                     * @org-mes="no post body"
246:                     */
247:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
248:                            SOAPDataSource.class.getName(), "051018-236")));
249:                }
250:
251:                if (mLogger.isDebugEnabled()) {
252:                    mLogger.debug("lzpostbody: " + xml);
253:                }
254:
255:                try {
256:
257:                    LZSOAPService service = getService(app, req, res, false);
258:                    if (service == null) {
259:                        return exceptionToSOAPData(swfnum,
260:                                new DataSourceException(
261:                                /* (non-Javadoc)
262:                                 * @i18n.test
263:                                 * @org-mes="could not find service"
264:                                 */
265:                                org.openlaszlo.i18n.LaszloMessages.getMessage(
266:                                        SOAPDataSource.class.getName(),
267:                                        "051018-264")));
268:                    }
269:
270:                    try {
271:                        String operation = req.getParameter("operation");
272:                        Object[] value = service.invoke(operation, xml);
273:
274:                        if (value[0].equals("rpc")) {
275:                            return programToSOAPData(swfnum,
276:                                    (Program) value[1], (SOAPHeader) value[2]);
277:                        } else {
278:                            return documentsToSOAPData(swfnum,
279:                                    (Vector) value[1], (SOAPHeader) value[2]);
280:                        }
281:                    } catch (AxisFault fault) {
282:                        // Axis throws exceptions for faults
283:                        return new SOAPData(new SOAPDataEncoder(swfnum)
284:                                .buildFromFault(fault));
285:                    }
286:
287:                } catch (RemoteException e) {
288:                    mLogger.error("RemoteException: " + e.getMessage(), e);
289:                    return exceptionToSOAPData(swfnum, e);
290:                } catch (DataSourceException e) {
291:                    mLogger.error("DataSourceException: " + e.getMessage(), e);
292:                    return exceptionToSOAPData(swfnum, e);
293:                } catch (IOException e) {
294:                    mLogger.error("IOException: " + e.getMessage(), e);
295:                    return exceptionToSOAPData(swfnum, e);
296:                } catch (ServiceException e) {
297:                    mLogger.error("ServiceException: " + e.getMessage(), e);
298:                    return exceptionToSOAPData(swfnum, e);
299:                } catch (Exception e) {
300:                    mLogger.error("Exception: " + e.getMessage(), e);
301:                    return exceptionToSOAPData(swfnum, e);
302:                }
303:
304:            }
305:
306:            SOAPData exceptionToSOAPData(int swfnum, Exception e) {
307:                mLogger.error("Exception", e);
308:                return new SOAPData(new SOAPDataEncoder(swfnum)
309:                        .buildFromException(e));
310:            }
311:
312:            SOAPData documentsToSOAPData(int swfnum, Vector docs,
313:                    SOAPHeader header) throws DataSourceException {
314:
315:                if (mLogger.isDebugEnabled()) {
316:                    mLogger.debug(
317:                    /* (non-Javadoc)
318:                     * @i18n.test
319:                     * @org-mes="documentsToSOAPData"
320:                     */
321:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
322:                            SOAPDataSource.class.getName(), "051018-323"));
323:                }
324:
325:                if (docs.size() == 0) {
326:                    mLogger.error(
327:                    /* (non-Javadoc)
328:                     * @i18n.test
329:                     * @org-mes="no document return"
330:                     */
331:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
332:                            SOAPDataSource.class.getName(), "051018-334"));
333:                    throw new DataSourceException(
334:                    /* (non-Javadoc)
335:                     * @i18n.test
336:                     * @org-mes="no document return"
337:                     */
338:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
339:                            SOAPDataSource.class.getName(), "051018-334"));
340:                }
341:
342:                try {
343:                    return new SOAPData(new SOAPDataEncoder(swfnum, docs,
344:                            header));
345:                } catch (Exception e) {
346:                    mLogger.error(
347:                    /* (non-Javadoc)
348:                     * @i18n.test
349:                     * @org-mes="problems getting SOAP document element"
350:                     */
351:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
352:                            SOAPDataSource.class.getName(), "051018-355"), e);
353:                    throw new DataSourceException(
354:                    /* (non-Javadoc)
355:                     * @i18n.test
356:                     * @org-mes="problems getting SOAP document element"
357:                     */
358:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
359:                            SOAPDataSource.class.getName(), "051018-355"));
360:                }
361:            }
362:
363:            /**
364:             * Creates key for services map.
365:             *
366:             * @param wsdl WSDL URL.
367:             * @param service SOAP service name.
368:             * @param port SOAP port name.
369:             * @return key to use for services map.
370:             */
371:            public String key(String wsdl, String service, String port) {
372:                return wsdl + " " + service + " " + port;
373:            }
374:
375:            /**
376:             * Get SOAP service.
377:             *
378:             * @param req
379:             * @param res
380:             * @exception DataSourceException 
381:             */
382:            synchronized public LZSOAPService getService(String app,
383:                    HttpServletRequest req, HttpServletResponse res,
384:                    boolean checkLoadOption) throws DataSourceException {
385:
386:                String wsdl = req.getParameter("wsdl");
387:                String service = req.getParameter("service");
388:                String port = req.getParameter("port");
389:
390:                if (wsdl == null || wsdl.equals("")) {
391:                    throw new DataSourceException(
392:                    /* (non-Javadoc)
393:                     * @i18n.test
394:                     * @org-mes="no wsdl specified"
395:                     */
396:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
397:                            SOAPDataSource.class.getName(), "051018-408"));
398:                }
399:
400:                LZSOAPService soapService = null;
401:                if (checkLoadOption) {
402:                    if ("never" == mLoadOption.intern()) {
403:                        soapService = (LZSOAPService) mServiceMap.get(key(wsdl,
404:                                service, port));
405:                    }
406:                } else {
407:                    soapService = (LZSOAPService) mServiceMap.get(key(wsdl,
408:                            service, port));
409:                }
410:                if (soapService != null)
411:                    return soapService;
412:
413:                return fetchService(app, req, res);
414:            }
415:
416:            /**
417:             * Fetch SOAP service over HTTP.
418:             */
419:            synchronized public LZSOAPService fetchService(String app,
420:                    HttpServletRequest req, HttpServletResponse res)
421:                    throws DataSourceException {
422:
423:                String wsdl = req.getParameter("wsdl");
424:                String service = req.getParameter("service");
425:                String port = req.getParameter("port");
426:
427:                // TODO: [2007-06-24 pkang] cache WSDLs.
428:                try {
429:                    Data data;
430:                    String wsdlurl = getURL(req, wsdl);
431:                    if (wsdlurl.startsWith("file:")) {
432:                        data = FileDataSource.getFileData(app, req, res,
433:                                wsdlurl, -1);
434:                    } else if (wsdlurl.startsWith("http://")
435:                            || wsdlurl.startsWith("https://")) {
436:                        data = HTTPDataSource
437:                                .getHTTPData(req, res, wsdlurl, -1);
438:                    } else {
439:                        throw new DataSourceException(
440:                        /* (non-Javadoc)
441:                         * @i18n.test
442:                         * @org-mes="unsupported WSDL protocol: " + p[0]
443:                         */
444:                        org.openlaszlo.i18n.LaszloMessages.getMessage(
445:                                SOAPDataSource.class.getName(), "051018-453",
446:                                new Object[] { wsdlurl }));
447:                    }
448:                    String _wsdl = data.getAsString();
449:                    LZSOAPService soapService = WSDLParser.parse(wsdl,
450:                            new InputSource(new StringReader(_wsdl)), service,
451:                            port);
452:
453:                    if (soapService == null) {
454:                        throw new DataSourceException(
455:                        /* (non-Javadoc)
456:                         * @i18n.test
457:                         * @org-mes="could not find SOAP service (" + p[0] + ", " + p[1] + ", " + p[2] + ")"
458:                         */
459:                        org.openlaszlo.i18n.LaszloMessages.getMessage(
460:                                SOAPDataSource.class.getName(), "051018-468",
461:                                new Object[] { wsdl, service, port }));
462:                    }
463:
464:                    mServiceMap.put(key(wsdl, soapService.getServiceName(),
465:                            soapService.getPort()), soapService);
466:
467:                    // secondary mapping to the same service
468:                    if (service == null || port == null) {
469:                        mServiceMap.put(key(wsdl, service, port), soapService);
470:                    }
471:
472:                    return soapService;
473:
474:                } catch (IOException e) {
475:                    mLogger.error("Exception", e);
476:                    throw new DataSourceException(e.getMessage());
477:                } catch (WSDLException e) {
478:                    mLogger.error("Exception", e);
479:                    throw new DataSourceException(e.getMessage());
480:                } catch (ServiceException e) {
481:                    mLogger.error("Exception", e);
482:                    throw new DataSourceException(e.getMessage());
483:                } catch (Exception e) {
484:                    mLogger.error("Exception", e);
485:                    throw new DataSourceException(e.getMessage());
486:                }
487:            }
488:
489:            SOAPData programToSOAPData(int swfnum, Program program,
490:                    SOAPHeader header) throws DataSourceException {
491:
492:                if (mLogger.isDebugEnabled()) {
493:                    mLogger.debug(
494:                    /* (non-Javadoc)
495:                     * @i18n.test
496:                     * @org-mes="programToSOAPData"
497:                     */
498:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
499:                            SOAPDataSource.class.getName(), "051018-508"));
500:                }
501:
502:                try {
503:                    return new SOAPData(new SOAPDataEncoder(swfnum, program,
504:                            header));
505:                } catch (Exception e) {
506:                    mLogger.error(
507:                    /* (non-Javadoc)
508:                     * @i18n.test
509:                     * @org-mes="problems creating RPC program"
510:                     */
511:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
512:                            SOAPDataSource.class.getName(), "051018-521"), e);
513:                    throw new DataSourceException(
514:                    /* (non-Javadoc)
515:                     * @i18n.test
516:                     * @org-mes="problems creating RPC program"
517:                     */
518:                    org.openlaszlo.i18n.LaszloMessages.getMessage(
519:                            SOAPDataSource.class.getName(), "051018-521"));
520:                }
521:            }
522:
523:            /**
524:             * @param serviceKey the key name to the LZSOAPService
525:             */
526:            synchronized public static void serviceXML(StringBuffer sb,
527:                    String serviceKey) {
528:                LZSOAPService service = (LZSOAPService) mServiceMap
529:                        .get(serviceKey);
530:                if (service != null) {
531:                    service.toXML(sb);
532:                } else {
533:                    sb.append("<error>").append(serviceKey).append(
534:                            " service not found.").append("</error>");
535:                }
536:            }
537:
538:            synchronized public static void listServicesXML(StringBuffer sb) {
539:                sb.append("<services count=\"").append(mServiceMap.size())
540:                        .append("\">");
541:                Iterator iter = mServiceMap.keySet().iterator();
542:                while (iter.hasNext()) {
543:                    String k = (String) iter.next();
544:                    sb.append("<service").append(" name=\"").append(
545:                            XMLUtils.escapeXml(k)).append("\"").append(
546:                            " urlname=\"").append(URLEncoder.encode(k)).append(
547:                            "\"").append("/>");
548:                }
549:                sb.append("</services>");
550:            }
551:
552:            synchronized static public void toXML(StringBuffer sb) {
553:                Date lc = new Date(mLastCleared);
554:                sb.append("<soapinfo ").append(" last-cleared=\"").append(lc)
555:                        .append("\"").append(">");
556:                {
557:                    sb.append(mInvokeLoad.toXML("invoke_load"));
558:                    sb.append(mGetServiceLoad.toXML("get_service_load"));
559:                    listServicesXML(sb);
560:                }
561:                sb.append("</soapinfo>");
562:            }
563:
564:            public static void clearLoadInfo() {
565:                mInvokeLoad.reset();
566:                mGetServiceLoad.reset();
567:                mLastCleared = System.currentTimeMillis();
568:            }
569:
570:            /**
571:             * A data object to hold session object.
572:             */
573:            public class SOAPData extends Data {
574:                byte[] mObject = null;
575:                SOAPDataEncoder mSOAPDataEncoder = null;
576:
577:                public SOAPData(byte[] object) {
578:                    mObject = object;
579:                }
580:
581:                public SOAPData(SOAPDataEncoder de) {
582:                    mSOAPDataEncoder = de;
583:                }
584:
585:                public String getMimeType() {
586:                    return MimeType.SWF;
587:                }
588:
589:                public InputStream getInputStream() throws IOException {
590:                    if (mObject != null) {
591:                        return new ByteArrayInputStream(mObject);
592:                    } else if (mSOAPDataEncoder != null) {
593:                        return mSOAPDataEncoder.getInputStream();
594:                    }
595:
596:                    throw new IOException("no input stream");
597:                }
598:
599:                public long size() {
600:                    if (mObject != null) {
601:                        return mObject.length;
602:                    } else if (mSOAPDataEncoder != null) {
603:                        try {
604:                            return mSOAPDataEncoder.getSize();
605:                        } catch (IOException e) {
606:                            mLogger.warn(
607:                            /* (non-Javadoc)
608:                             * @i18n.test
609:                             * @org-mes="ioexception getting size soap data encoder"
610:                             */
611:                            org.openlaszlo.i18n.LaszloMessages.getMessage(
612:                                    SOAPDataSource.class.getName(),
613:                                    "051018-622"));
614:                        }
615:                    }
616:
617:                    return 0;
618:                }
619:            }
620:        }
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