eu.etaxonomy.taxeditor.application/src/main/java/eu/etaxonomy/taxeditor/update/UpdateHandler.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2009 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package eu.etaxonomy.taxeditor.update;
  12
  13 import java.net.URISyntaxException;
  14
  15 import org.eclipse.equinox.internal.p2.ui.dialogs.UpdateSingleIUWizard;
  16 import org.eclipse.equinox.p2.operations.RepositoryTracker;
  17 import org.eclipse.equinox.p2.operations.UpdateOperation;
  18 import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
  19 import org.eclipse.jface.wizard.WizardDialog;
  20
  21 import eu.etaxonomy.taxeditor.TaxonomicEditorPlugin;
  22 import eu.etaxonomy.taxeditor.model.MessagingUtils;
  23
  24 /**
  25  * UpdateHandler invokes the check for updates UI
  26  *
  27  * @since 3.4
  28  */
  29 public class UpdateHandler extends PreloadingRepositoryHandler {
  30
  31         boolean hasNoRepos = false;
  32
  33         @Override
  34     protected void doExecute(LoadMetadataRepositoryJob job) {
  35 //              if (hasNoRepos) {
  36 //                      return;
  37 //              }
  38                 UpdateOperation operation = getProvisioningUI().getUpdateOperation(null, null);
  39         try {
  40             P2Util.setUpdateRepositories(operation);
  41         } catch (URISyntaxException e) {
  42             MessagingUtils.errorDialog("Invalid update site URI",
  43                     operation,
  44                     "The update site URI has an invalid syntax",
  45                     TaxonomicEditorPlugin.PLUGIN_ID,
  46                     e,
  47                     false);
  48             return;
  49         }
  50
  51                 // check for updates
  52                 operation.resolveModal(null);
  53                 if (getProvisioningUI().getPolicy().continueWorkingWithOperation(operation, getShell())) {
  54                         if (UpdateSingleIUWizard.validFor(operation)) {
  55                                 // Special case for only updating a single root
  56                                 UpdateSingleIUWizard wizard = new UpdateSingleIUWizard(getProvisioningUI(), operation);
  57                                 WizardDialog dialog = new WizardDialog(getShell(), wizard);
  58                                 dialog.create();
  59                                 dialog.open();
  60                         } else {
  61                                 // Open the normal version of the update wizard
  62                                 getProvisioningUI().openUpdateWizard(false, operation, job);
  63                         }
  64                 }
  65         }
  66
  67         @Override
  68     protected boolean preloadRepositories() {
  69                 hasNoRepos = false;
  70                 RepositoryTracker repoMan = getProvisioningUI().getRepositoryTracker();
  71                 if (repoMan.getKnownRepositories(getProvisioningUI().getSession()).length == 0) {
  72                         hasNoRepos = true;
  73                         return false;
  74                 }
  75                 return super.preloadRepositories();
  76         }
  77 }