| /******************************************************************************* |
| * Copyright (c) 2007, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.p2.examples.rcp.cloud.p2; |
| |
| import org.eclipse.equinox.p2.operations.RepositoryTracker; |
| import org.eclipse.equinox.p2.operations.UpdateOperation; |
| import org.eclipse.equinox.p2.ui.LoadMetadataRepositoryJob; |
| |
| /** |
| * UpdateHandler invokes the check for updates UI |
| * |
| * @since 3.4 |
| */ |
| public class UpdateHandler extends PreloadingRepositoryHandler { |
| |
| boolean hasNoRepos = false; |
| |
| protected void doExecute(LoadMetadataRepositoryJob job) { |
| if (hasNoRepos) { |
| return; |
| } |
| UpdateOperation operation = getProvisioningUI().getUpdateOperation(null, null); |
| // check for updates |
| operation.resolveModal(null); |
| if (getProvisioningUI().getPolicy().continueWorkingWithOperation(operation, getShell())) { |
| getProvisioningUI().openUpdateWizard(true, operation, job); |
| } |
| } |
| |
| protected boolean preloadRepositories() { |
| hasNoRepos = false; |
| RepositoryTracker repoMan = getProvisioningUI().getRepositoryTracker(); |
| if (repoMan.getKnownRepositories(getProvisioningUI().getSession()).length == 0) { |
| hasNoRepos = true; |
| return false; |
| } |
| return super.preloadRepositories(); |
| } |
| } |