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 */
017package org.apache.xbean.command;
018
019import java.io.InputStream;
020import java.io.PrintStream;
021import java.util.Iterator;
022import java.util.Map;
023import java.util.Set;
024
025public class Help implements Command {
026    public static void register() {
027        CommandRegistry.register("help", Help.class);
028    }
029
030    public int main(String[] args, InputStream in, PrintStream out) {
031        Map hash = CommandRegistry.getCommandMap();;
032        Set set = hash.keySet();
033        Iterator cmds = set.iterator();
034        while (cmds.hasNext()) {
035            out.print(" " + cmds.next());
036            out.println("");
037        }
038        return 0;
039    }
040}