| /* |
| * 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.felix.karaf.shell.osgi; |
| |
| import java.util.Dictionary; |
| import java.util.Enumeration; |
| import java.util.List; |
| |
| import org.apache.felix.karaf.shell.console.OsgiCommandSupport; |
| import org.apache.felix.gogo.commands.Argument; |
| import org.apache.felix.gogo.commands.Command; |
| import org.osgi.framework.Bundle; |
| |
| @Command(scope = "osgi", name = "headers", description = "Display OSGi headers of a given bundle") |
| public class Headers extends OsgiCommandSupport { |
| |
| @Argument(required = false, multiValued = true, description = "Bundles ids") |
| List<Long> ids; |
| |
| protected Object doExecute() throws Exception { |
| if (ids != null && !ids.isEmpty()) { |
| for (long id : ids) { |
| Bundle bundle = getBundleContext().getBundle(id); |
| if (bundle != null) { |
| printHeaders(bundle); |
| } |
| else { |
| System.err.println("Bundle ID " + id + " is invalid."); |
| } |
| } |
| } |
| else { |
| Bundle[] bundles = getBundleContext().getBundles(); |
| for (int i = 0; i < bundles.length; i++) { |
| printHeaders(bundles[i]); |
| } |
| } |
| return null; |
| } |
| |
| protected void printHeaders(Bundle bundle) throws Exception { |
| String title = Util.getBundleName(bundle); |
| System.out.println("\n" + title); |
| System.out.println(Util.getUnderlineString(title)); |
| Dictionary dict = bundle.getHeaders(); |
| Enumeration keys = dict.keys(); |
| while (keys.hasMoreElements()) |
| { |
| Object k = (String) keys.nextElement(); |
| Object v = dict.get(k); |
| System.out.println(k + " = " + Util.getValueString(v)); |
| } |
| } |
| |
| } |