/* | |
* 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 java.util.ArrayList; | |
import java.util.Arrays; | |
import java.util.List; | |
import org.apache.felix.gogo.commands.Argument; | |
import org.apache.felix.gogo.commands.Command; | |
import org.apache.karaf.features.Feature; | |
import org.apache.karaf.features.FeaturesService; | |
import org.apache.karaf.features.Repository; | |
@Command(scope = "features", name = "listVersions", description = "Lists all versions of a feature available from the currently available repositories.") | |
public class ListFeatureVersionsCommand extends FeaturesCommandSupport { | |
@Argument(index = 0, name = "feature", description = "Name of feature.", required = true, multiValued = false) | |
String feature; | |
private static final String VERSION = "Version"; | |
private static final String REPOSITORY = "Repository"; | |
private static final String REPOSITORY_URL = "Repository URL"; | |
private class VersionInRepository { | |
public String version; | |
public Repository repository; | |
} | |
protected void doExecute(FeaturesService admin) throws Exception { | |
List<VersionInRepository> versionsInRepositories = new ArrayList<VersionInRepository>(); | |
for (Repository r : Arrays.asList(admin.listRepositories())) { | |
for (Feature f : r.getFeatures()) { | |
if (f.getName().equals(feature)) { | |
VersionInRepository versionInRepository = new VersionInRepository(); | |
versionInRepository.repository = r; | |
versionInRepository.version = f.getVersion(); | |
versionsInRepositories.add(versionInRepository); | |
} | |
} | |
} | |
if (versionsInRepositories.size() == 0) { | |
System.out.println("No versions available for features '" + feature + "'"); | |
return; | |
} | |
// Print column headers. | |
int maxVersionSize = VERSION.length(); | |
for (VersionInRepository vir : versionsInRepositories) { | |
maxVersionSize = Math.max(maxVersionSize, vir.version.length()); | |
} | |
int maxRepositorySize = REPOSITORY.length(); | |
for (VersionInRepository vir : versionsInRepositories) { | |
maxRepositorySize = Math.max(maxRepositorySize, vir.repository.getName().length()); | |
} | |
StringBuilder sb = new StringBuilder(); | |
sb.append(VERSION).append(" "); | |
for (int i = VERSION.length(); i < maxVersionSize; i++) { | |
sb.append(" "); | |
} | |
sb.append(REPOSITORY).append(" "); | |
for (int i = REPOSITORY.length(); i < maxRepositorySize; i++) { | |
sb.append(" "); | |
} | |
sb.append(" "); | |
sb.append(REPOSITORY_URL); | |
System.out.println(sb.toString()); | |
// Print the version data. | |
for (VersionInRepository vir : versionsInRepositories) { | |
sb.setLength(0); | |
sb.append("["); | |
String str = vir.version; | |
sb.append(str); | |
for (int i = str.length(); i < maxVersionSize; i++) { | |
sb.append(" "); | |
} | |
sb.append("] "); | |
str = vir.repository.getName(); | |
sb.append(str); | |
for (int i = str.length(); i < maxRepositorySize; i++) { | |
sb.append(" "); | |
} | |
sb.append(" "); | |
sb.append(vir.repository.getURI()); | |
System.out.println(sb.toString()); | |
} | |
} | |
} |