Ant example source code file (ImplementationSpecificArgument.java)

This example Ant source code file (ImplementationSpecificArgument.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Ant tags/keywords

implementationspecificargument, implementationspecificargument, string, string

The ImplementationSpecificArgument.java source code

/*
 *  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.tools.ant.util.facade;

import org.apache.tools.ant.types.Commandline;

/**
 * Extension of Commandline.Argument with a new attribute that choses
 * a specific implementation of the facade.
 *
 *
 * @since Ant 1.5
 */
public class ImplementationSpecificArgument extends Commandline.Argument {
    private String impl;

    /** Constructor for ImplementationSpecificArgument. */
    public ImplementationSpecificArgument() {
        super();
    }

    /**
     * Set the implementation this argument is for.
     * @param impl the implementation this command line argument is for.
     */
    public void setImplementation(String impl) {
        this.impl = impl;
    }

    /**
     * Return the parts this Argument consists of, if the
     * implementation matches the chosen implementation.
     * @see org.apache.tools.ant.types.Commandline.Argument#getParts()
     * @param chosenImpl the implementation to check against.
     * @return the parts if the implemention matches or an zero length
     *         array if not.
     */
    public final String[] getParts(String chosenImpl) {
        if (impl == null || impl.equals(chosenImpl)) {
            return super.getParts();
        } else {
            return new String[0];
        }
    }
}