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/*******************************************************************************
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* Copyright (c) 2007, 2009 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package eu.etaxonomy.taxeditor.update;
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import java.net.URI;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.core.runtime.OperationCanceledException;
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import org.eclipse.core.runtime.Status;
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import org.eclipse.equinox.internal.p2.ui.ProvUI;
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import org.eclipse.equinox.internal.p2.ui.dialogs.UpdateSingleIUWizard;
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import org.eclipse.equinox.p2.core.IProvisioningAgent;
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import org.eclipse.equinox.p2.core.ProvisionException;
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import org.eclipse.equinox.p2.operations.UpdateOperation;
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import org.eclipse.equinox.p2.repository.IRepositoryManager;
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import org.eclipse.equinox.p2.repository.metadata.IMetadataRepositoryManager;
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import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob;
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import org.eclipse.equinox.p2.ui.ProvisioningUI;
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import org.eclipse.jface.wizard.WizardDialog;
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import org.osgi.framework.BundleContext;
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import org.osgi.framework.ServiceReference;
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import eu.etaxonomy.taxeditor.TaxonomicEditorPlugin;
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/**
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* UpdateHandler invokes the check for updates UI
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*
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* @since 3.4
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*/
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public class UpdateHandler extends PreloadingRepositoryHandler {
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@Override
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protected void doExecute(LoadMetadataRepositoryJob job) {
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UpdateOperation operation = new UpdateOperation(ProvisioningUI.getDefaultUI().getSession());
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// check for updates
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checkForUpdates(operation);
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if (getProvisioningUI().getPolicy().continueWorkingWithOperation(operation, getShell())) {
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if (UpdateSingleIUWizard.validFor(operation)) {
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// Special case for only updating a single root
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UpdateSingleIUWizard wizard = new UpdateSingleIUWizard(getProvisioningUI(), operation);
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WizardDialog dialog = new WizardDialog(getShell(), wizard);
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dialog.create();
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dialog.open();
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} else {
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// Open the normal version of the update wizard
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getProvisioningUI().openUpdateWizard(false, operation, job);
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}
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}
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}
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/**
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* @param monitor
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* @return
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*/
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private IStatus checkForUpdates(UpdateOperation operation) {
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// force refresh all the caches before
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IMetadataRepositoryManager metaManager = ProvUI.getMetadataRepositoryManager(ProvisioningUI.getDefaultUI().getSession());
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URI[] repos = metaManager.getKnownRepositories(IRepositoryManager.REPOSITORIES_ALL);
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for(URI repo : repos) {
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try {
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metaManager.refreshRepository(repo, null);
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} catch (ProvisionException pe) {
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IStatus errorStatus = new Status(IStatus.ERROR, TaxonomicEditorPlugin.PLUGIN_ID,
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"Error occured while reloading cache.", pe);
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} catch (OperationCanceledException oce) {
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IStatus errorStatus = new Status(IStatus.ERROR, TaxonomicEditorPlugin.PLUGIN_ID,
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"Error occured while reloading cache.", oce);
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}
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}
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BundleContext bundleContext = TaxonomicEditorPlugin.getContext();
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ServiceReference reference = bundleContext.getServiceReference(IProvisioningAgent.SERVICE_NAME);
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if (reference == null) {
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IStatus errorStatus = new Status(IStatus.ERROR, TaxonomicEditorPlugin.PLUGIN_ID,
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"No provisioning agent found. This application is not set up for updates.");
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return errorStatus;
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}
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try {
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return operation.resolveModal(null);
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} finally {
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bundleContext.ungetService(reference);
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}
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}
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}
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