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From dona...@apache.org
Subject cvs commit: jakarta-ant/proposal/myrmidon/src/java/org/apache/ant/util ItemSet.java Mapper.java Scanner.java
Date Tue, 20 Feb 2001 08:09:26 GMT
donaldp     01/02/20 00:09:26

  Added:       proposal/myrmidon/src/java/org/apache/ant/util ItemSet.java
                        Mapper.java Scanner.java
  Log:
  Added in sketch of new item set type approach which is generalisation of current system.
  
  Revision  Changes    Path
  1.1                  jakarta-ant/proposal/myrmidon/src/java/org/apache/ant/util/ItemSet.java
  
  Index: ItemSet.java
  ===================================================================
  /*
   * Copyright (C) The Apache Software Foundation. All rights reserved.
   *
   * This software is published under the terms of the Apache Software License
   * version 1.1, a copy of which has been included with this distribution in
   * the LICENSE file.
   */
  package org.apache.ant.util;
  
  import org.apache.ant.tasklet.DataType;
  
  /**
   * Interface for ItemSet.
   * An item set contains a number of items. Example item sets include
   * PatternSets, FileSets, FilterSets etc.
   *
   * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
   */
  public interface ItemSet
      extends DataType
  {
      /**
       * Returns an array containing the items(s) contained within set.
       * 
       * Question: should ItemSet be context sensitive????
       */
      Object[] getItems( /* Context context??? */ );
  }
  
  
  
  1.1                  jakarta-ant/proposal/myrmidon/src/java/org/apache/ant/util/Mapper.java
  
  Index: Mapper.java
  ===================================================================
  /*
   * Copyright (C) The Apache Software Foundation. All rights reserved.
   *
   * This software is published under the terms of the Apache Software License
   * version 1.1, a copy of which has been included with this distribution in
   * the LICENSE file.
   */
  package org.apache.ant.util;
  
  import org.apache.ant.tasklet.DataType;
  
  /**
   * Interface for Mappers.
   * Mappers are responsible for mapping source items to targets items.
   * Example mappers will map source files to destination files 
   * (ie A.java to A.class).
   *
   * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
   * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
   */
  public interface Mapper
      extends DataType
  {
      /**
       * Returns an array containing the target items(s) for the
       * given source file.
       *
       * <p>if the given rule doesn't apply to the input item,
       * implementation must return null. Scanner will then
       * omit the item in question.</p> 
       *
       * @param item the item to be mapped
       */
      Object[] mapItem( Object item );
  }
  
  
  
  1.1                  jakarta-ant/proposal/myrmidon/src/java/org/apache/ant/util/Scanner.java
  
  Index: Scanner.java
  ===================================================================
  /*
   * Copyright (C) The Apache Software Foundation. All rights reserved.
   *
   * This software is published under the terms of the Apache Software License
   * version 1.1, a copy of which has been included with this distribution in
   * the LICENSE file.
   */
  package org.apache.ant.util;
  
  import org.apache.avalon.Component;
  
  /**
   * Interface for Scanners.
   *
   * @author <a href="mailto:donaldp@apache.org">Peter Donald</a>
   */
  public interface Scanner
      extends Component
  {
  }
  
  
  

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