/*
* 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.obr.command;
import java.util.List;
import org.apache.felix.bundlerepository.RepositoryAdmin;
import org.apache.felix.bundlerepository.Resource;
import org.apache.karaf.shell.commands.Action;
import org.apache.karaf.shell.commands.Argument;
import org.apache.karaf.shell.commands.Command;
import org.apache.felix.service.command.CommandSession;
import org.apache.karaf.shell.table.ShellTable;
@Command(scope = "obr", name = "list", description = "Lists OBR bundles, optionally providing the given packages.")
public class ListCommand implements Action {
@Argument(index = 0, name = "packages", description = "A list of packages separated by whitespaces.", required = false, multiValued = true)
List<String> packages;
RepositoryAdmin repoAdmin;
public void setRepoAdmin(RepositoryAdmin repoAdmin) {
this.repoAdmin = repoAdmin;
}
@Override
public Object execute(CommandSession session) throws Exception {
StringBuilder substr = new StringBuilder();
if (packages != null) {
for (String packageName : packages) {
substr.append(" ");
substr.append(packageName);
}
}
String query;
if ((substr == null) || (substr.length() == 0)) {
query = "(|(presentationname=*)(symbolicname=*))";
} else {
query = "(|(presentationname=*" + substr + "*)(symbolicname=*" + substr + "*))";
}
Resource[] resources = repoAdmin.discoverResources(query);
int maxPName = 4;
int maxSName = 13;
int maxVersion = 7;
for (Resource resource : resources) {
maxPName = Math.max(maxPName, emptyIfNull(resource.getPresentationName()).length());
maxSName = Math.max(maxSName, emptyIfNull(resource.getSymbolicName()).length());
maxVersion = Math.max(maxVersion, emptyIfNull(resource.getVersion()).length());
}
ShellTable table = new ShellTable();
table.column("Name");
table.column("Symbolic Name");
table.column("Version");
table.emptyTableText("No matching bundles");
for (Resource resource : resources) {
table.addRow().addContent(emptyIfNull(resource.getPresentationName()),
emptyIfNull(resource.getSymbolicName()),
emptyIfNull(resource.getVersion()));
}
table.print(System.out);
return null;
}
private String emptyIfNull(Object st) {
return st == null ? "" : st.toString();
}
}