| /******************************************************************************* |
| * Copyright (c) 2019 ArSysOp and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Alexander Fedorov <alexander.fedorov@arsysop.ru> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.e4.core.internal.services.about; |
| |
| import java.io.PrintWriter; |
| import java.text.Collator; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Comparator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Locale; |
| import org.eclipse.core.runtime.IBundleGroup; |
| import org.eclipse.core.runtime.IBundleGroupProvider; |
| import org.eclipse.e4.core.services.about.AboutSections; |
| import org.eclipse.e4.core.services.about.ISystemInformation; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| |
| @Component(service = { ISystemInformation.class }, property = { AboutSections.SECTION + '=' + AboutSections.SECTION_INSTALLED_FEATURES }) |
| public class InstalledFeatures implements ISystemInformation { |
| |
| private final List<IBundleGroupProvider> providers = new ArrayList<>(); |
| |
| @Override |
| public void append(PrintWriter writer) { |
| LinkedList<IBundleGroup> groups = new LinkedList<>(); |
| providers.forEach(p -> Arrays.stream(p.getBundleGroups()).forEach(groups::add)); |
| groups.stream().sorted(createComparator()).forEach(i -> writer |
| .println(String.format(AboutMessages.featuresInfoFormat, i.getIdentifier(), i.getVersion(), i.getName()))); |
| } |
| |
| private Comparator<IBundleGroup> createComparator() { |
| final Collator collator = Collator.getInstance(Locale.getDefault()); |
| return (IBundleGroup o1, IBundleGroup o2) -> { |
| String id1 = o1.getIdentifier(); |
| String id2 = o2.getIdentifier(); |
| if (!id1.equals(id2)) { |
| return collator.compare(id1, id2); |
| } |
| return collator.compare(o1.getName(), o2.getName()); |
| }; |
| } |
| |
| @Reference(cardinality = ReferenceCardinality.MULTIPLE) |
| public void bindBundleProvider(IBundleGroupProvider provider) { |
| providers.add(provider); |
| } |
| |
| public void unbindBundleProvider(IBundleGroupProvider provider) { |
| providers.remove(provider); |
| } |
| } |