001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.geronimo.gshell.clp;
021    
022    import java.lang.annotation.ElementType;
023    import java.lang.annotation.Retention;
024    import java.lang.annotation.RetentionPolicy;
025    import java.lang.annotation.Target;
026    
027    import org.apache.geronimo.gshell.clp.handler.Handler;
028    
029    /**
030     * Configures a field or method for processing as a command-line argument.
031     *
032     * @version $Rev: 570606 $ $Date: 2007-08-28 19:17:11 -0700 (Tue, 28 Aug 2007) $
033     */
034    @Retention(RetentionPolicy.RUNTIME)
035    @Target({ElementType.FIELD, ElementType.METHOD})
036    public @interface Argument
037    {
038        String description() default "";
039    
040        String metaVar() default "";
041    
042        boolean required() default false;
043    
044        Class<? extends Handler> handler() default Handler.class;
045    
046        int index() default 0;
047    
048        boolean multiValued() default false;
049    }