content: /*
   *  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
   *
   *      https://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 chooses
   * a specific implementation of the facade.
   *
   *
   * @since Ant 1.5
   */
  public class ImplementationSpecificArgument extends Commandline.Argument {
      private String impl;
  
      /**
       * 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 implementation matches or an zero length
       *         array if not.
       */
      public final String[] getParts(String chosenImpl) {
          if (impl == null || impl.equals(chosenImpl)) {
              return super.getParts();
          }
          return new String[0];
      }
  }
  