karaf-2.2.x/demos/command/src/main/java/org/apache/karaf/demos/command/MyCommand.java

/*
 * 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.demos.command;

import org.apache.felix.gogo.commands.Command;
import org.apache.felix.gogo.commands.Argument;
import org.apache.karaf.shell.console.OsgiCommandSupport;

@Command(scope = "mycommand", name = "hello", description="Says hello")
public class MyCommand extends OsgiCommandSupport {

    @Argument(index = 0, name = "arg", description = "The command argument", required = false, multiValued = false)
    String arg = null;

    @Override
    protected Object doExecute() throws Exception {
        System.out.println("Executing My Command Demo");
        return null;
    }
}