| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.update.internal.operations; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.update.configuration.*; |
| import org.eclipse.update.core.*; |
| |
| /** |
| * This utility class attaches as a listened to the provided |
| * configured site, and for every unconfigured feature |
| * it tests if it is a patch and cleans up its backup configuration. |
| */ |
| |
| public class PatchCleaner { |
| private IConfiguredSite csite; |
| private SiteListener listener; |
| class SiteListener implements IConfiguredSiteChangedListener { |
| public void featureInstalled(IFeature feature) { |
| } |
| public void featureRemoved(IFeature feature) { |
| cleanSavedConfigs(feature); |
| } |
| public void featureConfigured(IFeature feature) { |
| } |
| public void featureUnconfigured(IFeature feature) { |
| cleanSavedConfigs(feature); |
| } |
| } |
| public PatchCleaner(IConfiguredSite csite, IFeature root) { |
| this.csite = csite; |
| listener = new SiteListener(); |
| csite.addConfiguredSiteChangedListener(listener); |
| } |
| |
| public void dispose() { |
| csite.removeConfiguredSiteChangedListener(listener); |
| } |
| private void cleanSavedConfigs(IFeature feature) { |
| if (feature.isPatch()) { |
| IInstallConfiguration backupConfig = UpdateUtils.getBackupConfigurationFor(feature); |
| if (backupConfig!=null) { |
| // clean it |
| remove(backupConfig); |
| } |
| } |
| } |
| private void remove(IInstallConfiguration config) { |
| try { |
| ILocalSite localSite = SiteManager.getLocalSite(); |
| localSite.removeFromPreservedConfigurations(config); |
| } |
| catch (CoreException e) { |
| } |
| } |
| } |