| /* |
| * 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.shell.osgi; |
| |
| import java.util.List; |
| |
| import org.apache.felix.gogo.commands.Command; |
| import org.apache.felix.gogo.commands.Option; |
| import org.apache.felix.service.command.Function; |
| import org.osgi.framework.Bundle; |
| import org.osgi.framework.ServiceReference; |
| |
| @Command(scope = "osgi", name = "ls", description = "Lists OSGi services.") |
| public class ListServices extends BundlesCommandOptional { |
| |
| @Option(name = "-a", aliases = {}, description = "Shows all services", required = false, multiValued = false) |
| boolean showAll; |
| |
| @Option(name = "-u", aliases = {}, description = "Shows services which are in use", required = false, multiValued = false) |
| boolean inUse; |
| |
| protected void doExecute(List<Bundle> bundles) throws Exception { |
| if (bundles == null) { |
| Bundle[] allBundles = getBundleContext().getBundles(); |
| for (int i = 0; i < allBundles.length; i++) { |
| printServicesShort(allBundles[i]); |
| } |
| } else { |
| for (Bundle bundle : bundles) { |
| printServices(bundle); |
| } |
| } |
| } |
| |
| private void printServices(Bundle bundle) { |
| boolean headerPrinted = false; |
| boolean needSeparator = false; |
| ServiceReference[] refs = null; |
| |
| // Get registered or in-use services. |
| if (inUse) { |
| refs = bundle.getServicesInUse(); |
| } else { |
| refs = bundle.getRegisteredServices(); |
| } |
| |
| // Print properties for each service. |
| for (int refIdx = 0; (refs != null) && (refIdx < refs.length); refIdx++) { |
| String[] objectClass = (String[]) refs[refIdx].getProperty("objectClass"); |
| |
| // Determine if we need to print the service, depending |
| // on whether it is a command service or not. |
| boolean print = true; |
| for (int ocIdx = 0; !showAll && (ocIdx < objectClass.length); ocIdx++) { |
| if (objectClass[ocIdx].equals(Function.class.getName())) { |
| print = false; |
| } |
| } |
| |
| // Print header if we have not already done so. |
| if (!headerPrinted) { |
| headerPrinted = true; |
| String title = Util.getBundleName(bundle); |
| title = (inUse) ? title + " uses:" : title + " provides:"; |
| System.out.println(""); |
| System.out.println(title); |
| System.out.println(Util.getUnderlineString(title)); |
| } |
| |
| if (showAll || print) { |
| // Print service separator if necessary. |
| if (needSeparator) { |
| System.out.println("----"); |
| } |
| |
| // Print service properties. |
| String[] keys = refs[refIdx].getPropertyKeys(); |
| for (int keyIdx = 0; (keys != null) && (keyIdx < keys.length); keyIdx++) { |
| Object v = refs[refIdx].getProperty(keys[keyIdx]); |
| System.out.println(keys[keyIdx] + " = " + Util.getValueString(v)); |
| } |
| |
| needSeparator = true; |
| } |
| } |
| } |
| |
| private void printServicesShort(Bundle bundle) { |
| boolean headerPrinted = false; |
| ServiceReference[] refs = null; |
| |
| // Get registered or in-use services. |
| if (inUse) { |
| refs = bundle.getServicesInUse(); |
| } else { |
| refs = bundle.getRegisteredServices(); |
| } |
| |
| for (int refIdx = 0; (refs != null) && (refIdx < refs.length); refIdx++) { |
| String[] objectClass = (String[]) refs[refIdx].getProperty("objectClass"); |
| |
| // Determine if we need to print the service, depending |
| // on whether it is a command service or not. |
| boolean print = true; |
| for (int ocIdx = 0; !showAll && (ocIdx < objectClass.length); ocIdx++) { |
| if (objectClass[ocIdx].equals(Function.class.getName())) { |
| print = false; |
| } |
| } |
| |
| // Print the service if necessary. |
| if (showAll || print) { |
| if (!headerPrinted) { |
| headerPrinted = true; |
| String title = Util.getBundleName(bundle); |
| title = (inUse) ? title + " uses:" : title + " provides:"; |
| System.out.println("\n" + title); |
| System.out.println(Util.getUnderlineString(title)); |
| } |
| System.out.println(Util.getValueString(objectClass)); |
| } |
| } |
| |
| } |
| |
| } |