| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.search; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.update.core.*; |
| import org.eclipse.update.internal.operations.*; |
| |
| /** |
| * This class can be added to the update search request |
| * to filter out features that are back-level (are |
| * older or the same as the features already installed). |
| * |
| * <p> |
| * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to |
| * change significantly before reaching stability. It is being made available at this early stage to solicit feedback |
| * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken |
| * (repeatedly) as the API evolves. |
| * </p> |
| * @see UpdateSearchRequest |
| * @see IUpdateSearchFilter |
| * @since 3.0 |
| * @deprecated The org.eclipse.update component has been replaced by Equinox p2. |
| * This API will be deleted in a future release. See bug 311590 for details. |
| */ |
| public class BackLevelFilter extends BaseFilter { |
| |
| public boolean accept(IFeature match) { |
| |
| PluginVersionIdentifier matchVid = match.getVersionedIdentifier().getVersion(); |
| IFeature [] installed = UpdateUtils.getInstalledFeatures(match.getVersionedIdentifier(), false); |
| if (installed.length==0) return true; |
| |
| for (int i=0; i<installed.length; i++) { |
| PluginVersionIdentifier ivid = installed[i].getVersionedIdentifier().getVersion(); |
| if (matchVid.isGreaterThan(ivid)) |
| continue; |
| // installed version is the same or newer than |
| // the match - filter out |
| return false; |
| } |
| return true; |
| |
| } |
| |
| public boolean accept(IFeatureReference match) { |
| try { |
| PluginVersionIdentifier matchVid = match.getVersionedIdentifier().getVersion(); |
| IFeature [] installed = UpdateUtils.getInstalledFeatures(match.getVersionedIdentifier(), false); |
| if (installed.length==0) return true; |
| |
| for (int i=0; i<installed.length; i++) { |
| PluginVersionIdentifier ivid = installed[i].getVersionedIdentifier().getVersion(); |
| if (matchVid.isGreaterThan(ivid)) |
| continue; |
| // installed version is the same or newer than |
| // the match - filter out |
| return false; |
| } |
| return true; |
| } catch (CoreException e) { |
| return false; |
| } |
| } |
| } |