| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.karaf.features.command; |
| |
| import org.apache.felix.gogo.commands.Command; |
| import org.apache.felix.gogo.commands.Option; |
| import org.apache.karaf.features.Feature; |
| import org.apache.karaf.features.FeaturesService; |
| import org.apache.karaf.features.Repository; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| @Command(scope = "features", name = "list", description = "Lists all existing features available from the defined repositories.") |
| public class ListFeaturesCommand extends FeaturesCommandSupport { |
| |
| @Option(name = "-i", aliases = {"--installed"}, description = "Display a list of all installed features only", required = false, multiValued = false) |
| boolean installed; |
| |
| private static final String STATE = "State"; |
| private static final String INSTALLED = "installed "; |
| private static final String UNINSTALLED = "uninstalled"; |
| |
| private static final String VERSION = "Version"; |
| private static final String NAME = "Name"; |
| private static final String REPOSITORY = "Repository"; |
| private static final String DESCRIPTION = "Description"; |
| |
| protected void doExecute(FeaturesService admin) throws Exception { |
| |
| // Get the feature data to print. |
| List<Feature> features = new ArrayList<Feature>(); |
| List<Repository> repositories = new ArrayList<Repository>(); |
| for (Repository r : Arrays.asList(admin.listRepositories())) { |
| for (Feature f : r.getFeatures()) { |
| if (installed && !admin.isInstalled(f)) { |
| continue; |
| } |
| features.add(f); |
| repositories.add(r); |
| } |
| } |
| if (features.size() == 0) { |
| if (installed) { |
| System.out.println("No features installed."); |
| } else { |
| System.out.println("No features available."); |
| } |
| return; |
| } |
| |
| // Print column headers. |
| int maxVersionSize = VERSION.length(); |
| for (Feature f : features) { |
| maxVersionSize = Math.max(maxVersionSize, f.getVersion().length()); |
| } |
| int maxNameSize = NAME.length(); |
| for (Feature f : features) { |
| maxNameSize = Math.max(maxNameSize, f.getName().length()); |
| } |
| int maxRepositorySize = REPOSITORY.length(); |
| for (Repository repository:repositories) { |
| maxRepositorySize = Math.max(maxRepositorySize, repository.getName().length()); |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append(STATE).append(" ").append(VERSION).append(" "); |
| for (int i = VERSION.length(); i < maxVersionSize; i++) { |
| sb.append(" "); |
| } |
| sb.append(NAME).append(" "); |
| for (int i = NAME.length(); i < maxNameSize; i++) { |
| sb.append(" "); |
| } |
| sb.append(REPOSITORY).append(" "); |
| |
| for (int i = REPOSITORY.length(); i < maxRepositorySize; i++) { |
| sb.append(" "); |
| } |
| sb.append(DESCRIPTION); |
| System.out.println(sb.toString()); |
| |
| // Print the feature data. |
| boolean needsLegend = false; |
| for (Feature f : features) { |
| |
| sb.setLength(0); |
| sb.append("["); |
| if (admin.isInstalled(f)) { |
| sb.append(INSTALLED); |
| } else { |
| sb.append(UNINSTALLED); |
| } |
| |
| sb.append("] ["); |
| String str = f.getVersion(); |
| sb.append(str); |
| for (int i = str.length(); i < maxVersionSize; i++) { |
| sb.append(" "); |
| } |
| sb.append("] "); |
| |
| str = f.getName(); |
| sb.append(str); |
| for (int i = str.length(); i < maxNameSize; i++) { |
| sb.append(" "); |
| } |
| |
| sb.append(" "); |
| String name = repositories.get(0).getName(); |
| sb.append(name); |
| repositories.remove(0); |
| |
| if (name.charAt(name.length() - 1) == '*') { |
| needsLegend = true; |
| } |
| |
| for (int i = name.length(); i < maxRepositorySize; i++) { |
| sb.append(" "); |
| } |
| |
| sb.append(" "); |
| String description = ""; |
| if(f.getDescription() != null) { |
| description = f.getDescription(); |
| } |
| sb.append(description); |
| |
| System.out.println(sb.toString()); |
| } |
| |
| if (needsLegend) { |
| System.out.println("* Installed via deploy directory"); |
| } |
| |
| } |
| |
| } |