| /* |
| * 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.admin.command; |
| |
| import org.apache.felix.gogo.commands.Option; |
| import org.apache.felix.gogo.commands.Command; |
| import org.apache.karaf.admin.Instance; |
| |
| /** |
| * List available instances |
| */ |
| @Command(scope = "admin", name = "list", description = "Lists all existing container instances.") |
| public class ListCommand extends AdminCommandSupport { |
| |
| @Option(name = "-l", aliases = { "--location" }, description = "Displays the location of the container instances", required = false, multiValued = false) |
| boolean location; |
| |
| @Option(name = "-o", aliases = { "--java-opts" }, description = "Displays the Java options used to launch the JVM", required = false, multiValued = false) |
| boolean javaOpts; |
| |
| protected Object doExecute() throws Exception { |
| Instance[] instances = getAdminService().getInstances(); |
| if (javaOpts) { |
| System.out.println(" SSH Port RMI Ports State Pid JavaOpts"); |
| } else if (location) { |
| System.out.println(" SSH Port RMI Ports State Pid Location"); |
| } else { |
| System.out.println(" SSH Port RMI Ports State Pid Name"); |
| } |
| for (Instance instance : instances) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append('['); |
| String s = Integer.toString(instance.getSshPort()); |
| for (int i = s.length(); i < 8; i++) { |
| sb.append(' '); |
| } |
| sb.append(s); |
| sb.append("] ["); |
| String rmiRegistryPort = Integer.toString(instance.getRmiRegistryPort()); |
| String rmiServerPort = Integer.toString(instance.getRmiServerPort()); |
| sb.append(rmiRegistryPort).append("/").append(rmiServerPort); |
| for (int i = rmiRegistryPort.length() + rmiServerPort.length() + 1; i < 15; i++) { |
| sb.append(' '); |
| } |
| sb.append("] ["); |
| String state = instance.getState(); |
| while (state.length() < "starting".length()) { |
| state += " "; |
| } |
| sb.append(state); |
| sb.append("] ["); |
| s = Integer.toString(instance.getPid()); |
| for (int i = s.length(); i < 5; i++) { |
| sb.append(' '); |
| } |
| sb.append(s); |
| sb.append("] "); |
| if (javaOpts) { |
| sb.append(instance.getJavaOpts()); |
| } else if (location) { |
| sb.append(instance.getLocation()); |
| } else { |
| sb.append(instance.getName()); |
| } |
| System.out.println(sb.toString()); |
| } |
| return null; |
| } |
| |
| } |