001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.activemq.karaf.commands;
018    
019    import java.util.ArrayList;
020    import java.util.Arrays;
021    import java.util.Collection;
022    
023    import org.apache.activemq.console.command.Command;
024    import org.apache.activemq.console.formatter.CommandShellOutputFormatter;
025    import org.apache.activemq.console.CommandContext;
026    import org.apache.karaf.shell.console.OsgiCommandSupport;
027    import org.apache.felix.gogo.commands.Argument;
028    
029    /**
030     * @version $Rev: 960482 $ $Date: 2010-07-05 10:28:33 +0200 (Mon, 05 Jul 2010) $
031     */
032    public class ActiveMQCommandSupport extends OsgiCommandSupport {
033    
034        private Command command;
035    
036        @Argument(index=0, multiValued=true, required=true)
037        private Collection<String> arguments;
038    
039        protected Object doExecute() throws Exception {
040            CommandContext context2 = new CommandContext();
041            context2.setFormatter(new CommandShellOutputFormatter(System.out));
042            Command currentCommand = command.getClass().newInstance();
043    
044            try {
045                currentCommand.setCommandContext(context2);
046                currentCommand.execute(arguments != null ? new ArrayList<String>(arguments) : new ArrayList<String>());
047                return null;
048            } catch (Throwable e) {
049                Throwable cur = e;
050                while (cur.getCause() != null) {
051                    cur = cur.getCause();
052                }
053                if (cur instanceof java.net.ConnectException) {
054                    context2
055                        .print("\n"
056                            + "Could not connect to JMX server.  This command requires that the remote JMX server be enabled.\n"
057                            + "This is typically done by adding the following JVM arguments: \n"
058                            + "   -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.authenticate=false \n"
059                            + "   -Dcom.sun.management.jmxremote.ssl=false \n" + "\n"
060                            + "The connection error was: " + cur + "\n");
061                } else {
062                    if (e instanceof Exception) {
063                        throw (Exception)e;
064                    } else {
065                        throw new RuntimeException(e);
066                    }
067    
068                }
069            }
070            return null;
071    
072        }
073    
074        public Command getCommand() {
075            return command;
076        }
077    
078        public void setCommand(Command command) {
079            this.command = command;
080        }
081    
082        public static String[] toStringArray(Object args[]) {
083            String strings[] = new String[args.length];
084            for(int i = 0; i < args.length; i++) {
085                strings[i] = String.valueOf(args[i]);
086            }
087            return strings;
088        }
089    }