| /* |
| * Copyright 2005 The Apache Software Foundation |
| * |
| * Licensed 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.osgi.bundle.shell; |
| |
| import java.io.PrintStream; |
| import java.util.*; |
| |
| import org.apache.osgi.service.shell.Command; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.BundleContext; |
| |
| public class HeadersCommandImpl implements Command |
| { |
| private BundleContext m_context = null; |
| |
| public HeadersCommandImpl(BundleContext context) |
| { |
| m_context = context; |
| } |
| |
| public String getName() |
| { |
| return "headers"; |
| } |
| |
| public String getUsage() |
| { |
| return "headers [<id> ...]"; |
| } |
| |
| public String getShortDescription() |
| { |
| return "display bundle header properties."; |
| } |
| |
| public void execute(String s, PrintStream out, PrintStream err) |
| { |
| StringTokenizer st = new StringTokenizer(s, " "); |
| |
| // Ignore the command name. |
| st.nextToken(); |
| |
| // Print the specified bundles or all if none are specified. |
| if (st.hasMoreTokens()) |
| { |
| while (st.hasMoreTokens()) |
| { |
| String id = st.nextToken().trim(); |
| |
| try |
| { |
| long l = Long.parseLong(id); |
| Bundle bundle = m_context.getBundle(l); |
| if (bundle != null) |
| { |
| printHeaders(out, bundle); |
| } |
| else |
| { |
| err.println("Bundle ID " + id + " is invalid."); |
| } |
| } |
| catch (NumberFormatException ex) |
| { |
| err.println("Unable to parse id '" + id + "'."); |
| } |
| catch (Exception ex) |
| { |
| err.println(ex.toString()); |
| } |
| } |
| } |
| else |
| { |
| Bundle[] bundles = m_context.getBundles(); |
| for (int i = 0; i < bundles.length; i++) |
| { |
| printHeaders(out, bundles[i]); |
| } |
| } |
| } |
| |
| private void printHeaders(PrintStream out, Bundle bundle) |
| { |
| String title = Util.getBundleName(bundle); |
| out.println("\n" + title); |
| 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); |
| out.println(k + " = " + Util.getValueString(v)); |
| } |
| } |
| } |