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POObtaining tasks by MS Exchange in Java
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  1. POObtaining tasks by MS Exchange in Java
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    copied!<p>I'm having a problem retrieving a list of tasks from the Exchange Server. I already have the code for adding and updating tasks, but I cannot get the retrieving going. Here's the code for it:</p> <pre><code>public void getEvents(String a_sPrefix, String a_sMailboxName, String a_sFolderName) throws ExchangeException, IOException { WebdavResource wrFolder = getExchangeWebdavResource(a_sPrefix, a_sMailboxName, a_sFolderName); // Get the session: HttpClient httpClient = wrFolder.retrieveSessionInstance(); String sPrefix = ""; if (a_sPrefix != null &amp;&amp; a_sPrefix.length() &gt; 0) { sPrefix = a_sPrefix + "/"; } // Build the Url of the contacts folder: String sFolderUrl = m_sExchangeUrl + sPrefix + a_sMailboxName + "/" + a_sFolderName; // Escape any spaces: sFolderUrl = sFolderUrl.replaceAll("\\s", "%20"); // Try to find the event first: String sQuery = "&lt;?xml version=\"1.0\"?&gt;" + "&lt;D:searchrequest xmlns:D = \"DAV:\" xmlns:e = \"http://schemas.microsoft.com/exchange/\"&gt;" + "&lt;D:sql&gt;" + "SELECT "/*\"DAV:uid\"*/ + "FROM \"" + sFolderUrl + "\" " + // "WHERE \"e:extensionattribute1\" = '"+a_exEvent.getId()+"'" + "&lt;/D:sql&gt;" + "&lt;/D:searchrequest&gt;"; System.out.println("The Query:" + sQuery); SearchMethod searchMethod = new SearchMethod(sFolderUrl, sQuery); int iStatusCode = httpClient.executeMethod(searchMethod); // See if there was an error: handleReturnCode(iStatusCode); Enumeration resp = searchMethod.getResponses(); byte[] b = searchMethod.getResponseBody(); Enumeration&lt;String&gt; enumMatchingUrls = searchMethod.getAllResponseURLs(); while (enumMatchingUrls != null &amp;&amp; enumMatchingUrls.hasMoreElements()) { String sEventUrl = (String) enumMatchingUrls.nextElement(); Enumeration ob = searchMethod.getResponseProperties(sEventUrl); while (ob.hasMoreElements()) { BaseProperty v = (BaseProperty) ob.nextElement(); log(v.toString()); } } /* * if (enumMatchingUrls != null &amp;&amp; enumMatchingUrls.hasMoreElements()) { * sEventUrl = (String)enumMatchingUrls.nextElement(); bExists = true; } * else { // This is a new contact: sEventUrl = sFolderUrl + "/" + * a_exEvent.getUniqueIdForUrl() + ".EML"; bExists = false; } */ } </code></pre> <p>Code for adding a task:</p> <pre><code>public static void addEventToExchange(String login, String password, TaskDTO task) { // TODO: iommi - finish TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() { public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } public void checkClientTrusted( java.security.cert.X509Certificate[] certs, String authType) { } public void checkServerTrusted( java.security.cert.X509Certificate[] certs, String authType) { } } }; // Install the all-trusting trust manager try { SSLContext sc = SSLContext.getInstance("SSL"); sc.init(null, trustAllCerts, new java.security.SecureRandom()); HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory()); } catch (Exception e) { e.printStackTrace(); } String sExchangeServerUrl = "http://url.which.pings.com"; // Account name of an exchange user that has permission to see and modify // other user's mailboxes. String sApplicationUserAccountName = "login"; String sApplicationUserPassword = "p@ssw0rd"; // Connect to exchange. ExchangeBridge exchangeBridge = new ExchangeBridge(sExchangeServerUrl, sApplicationUserAccountName, sApplicationUserPassword); HashMap out = new HashMap(); Vector ret = null; try { String mailbox = "iommi"; String folder = ExchangeConstants.k_sInboxName; long lSince_TimeInMillisecs = System.currentTimeMillis() - (1000 * 60 * 60 * 24); /* * ret = exchangeBridge.getEmails(mailbox, folder, lSince_TimeInMillisecs, * null, null, 100); */ java.util.Calendar c = java.util.Calendar.getInstance(); ExchangeEvent a_exEvent = task.getDTOasExchangeEvent(); // a_exEvent.setBusyStatus(ExchangeEvent.); // a_exEvent.setStartDate(c.getTime()); // c.add(java.util.Calendar.HOUR, 1); // a_exEvent.setEndDate(c.getTime()); // a_exEvent.setSubject(subject); // a_exEvent.setDescription(decription); // a_exEvent.setUniqueIdForUrl("i" + c.getTimeInMillis()); String a_sPrefix = ExchangeConstants.k_sExchangeName; exchangeBridge.updateEvent(a_sPrefix, "iommi", ExchangeConstants.k_sCalendarName, a_exEvent); exchangeBridge.getEvents(a_sPrefix, "iommi", ExchangeConstants.k_sCalendarName); } catch (ExchangeException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } // exchangeBridge.getContacts(a_sPrefix, a_sMailboxName, a_sFolderName); // exchangeBridge.getEmails(a_sMailboxName, a_sFolderName, // a_lDateReceived, a_hmFromEmailFilter, a_hmToEmailFilter, a_iMaxAtATime); } </code></pre> <p>I'm connecting to a VM, if that's of any use. If you want some additional information, don't hesitate.</p> <p>Software:</p> <p>VM:</p> <ul> <li>MS Windows Server2003 </li> <li>MS Outlook 2003 </li> <li>MS Windows Exchange Server 2007.</li> </ul>
 

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