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From peterrei...@apache.org
Subject cvs commit: ant/src/main/org/apache/tools/ant/types defaults.properties FilterChain.java
Date Fri, 17 Dec 2004 13:39:45 GMT
peterreilly    2004/12/17 05:39:45

  Modified:    src/main/org/apache/tools/ant/types defaults.properties
                        FilterChain.java
  Added:       src/main/org/apache/tools/ant/types/mappers
                        FilterMapper.java
  Log:
  New mapper - <filtermapper>.
  This is a filterchain applied to the source file names of the filenamemapper#mapFileName
  function.
  
  Revision  Changes    Path
  1.1                  ant/src/main/org/apache/tools/ant/types/mappers/FilterMapper.java
  
  Index: FilterMapper.java
  ===================================================================
  /*
   * Copyright 2004 The Apache Software Foundation
   *
   *  Licensed 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.types.mappers;
  
  import java.io.StringReader;
  import java.io.Reader;
  
  import java.util.Vector;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.UnsupportedAttributeException;
  import org.apache.tools.ant.filters.util.ChainReaderHelper;
  import org.apache.tools.ant.types.FilterChain;
  import org.apache.tools.ant.util.FileNameMapper;
  import org.apache.tools.ant.util.FileUtils;
  
  /**
   * This is a filenamemaper based on a FilterChain.
   */
  public class FilterMapper extends FilterChain implements FileNameMapper {
      /**
       * From attribute not supported.
       * @param from a string
       * @throws BuildException always
       */
      public void setFrom(String from) {
          throw new UnsupportedAttributeException(
              "filtermapper does'nt support the \"from\" attribute.", "from");
      }
  
      /**
       * From attribute not supported.
       * @param to a string
       * @throws BuildException always
       */
      public void setTo(String to) {
          throw new UnsupportedAttributeException(
              "filtermapper does'nt support the \"to\" attribute.", "to");
      }
  
      /**
       * Return the result of the filters on the sourcefilename.
       * @param sourceFileName the filename to map
       * @return  a one-element array of converted filenames, or null if
       *          the filterchain returns an empty string.
       */
      public String[] mapFileName(String sourceFileName) {
          try {
              Reader stringReader = new StringReader(sourceFileName);
              ChainReaderHelper helper = new ChainReaderHelper();
              helper.setBufferSize(8192);
              helper.setPrimaryReader(stringReader);
              helper.setProject(getProject());
              Vector filterChains = new Vector();
              filterChains.add(this);
              helper.setFilterChains(filterChains);
              String result = FileUtils.readFully(helper.getAssembledReader());
              if (result.length() == 0) {
                  return null;
              } else {
                  return new String[] {result};
              }
          } catch (BuildException ex) {
              throw ex;
          } catch (Exception ex) {
              throw new BuildException(ex);
          }
      }
  }
  
  
  
  1.33      +1 -0      ant/src/main/org/apache/tools/ant/types/defaults.properties
  
  Index: defaults.properties
  ===================================================================
  RCS file: /home/cvs/ant/src/main/org/apache/tools/ant/types/defaults.properties,v
  retrieving revision 1.32
  retrieving revision 1.33
  diff -u -r1.32 -r1.33
  --- defaults.properties	2 Dec 2004 18:07:44 -0000	1.32
  +++ defaults.properties	17 Dec 2004 13:39:45 -0000	1.33
  @@ -18,6 +18,7 @@
   unpackagemapper=org.apache.tools.ant.util.UnPackageNameMapper
   compositemapper=org.apache.tools.ant.util.CompositeMapper
   chainedmapper=org.apache.tools.ant.util.ChainedMapper
  +filtermapper=org.apache.tools.ant.types.mappers.FilterMapper
   
   path=org.apache.tools.ant.types.Path
   patternset=org.apache.tools.ant.types.PatternSet
  
  
  
  1.18      +1 -1      ant/src/main/org/apache/tools/ant/types/FilterChain.java
  
  Index: FilterChain.java
  ===================================================================
  RCS file: /home/cvs/ant/src/main/org/apache/tools/ant/types/FilterChain.java,v
  retrieving revision 1.17
  retrieving revision 1.18
  diff -u -r1.17 -r1.18
  --- FilterChain.java	9 Mar 2004 16:48:41 -0000	1.17
  +++ FilterChain.java	17 Dec 2004 13:39:45 -0000	1.18
  @@ -40,7 +40,7 @@
    * FilterChain may contain a chained set of filter readers.
    *
    */
  -public final class FilterChain extends DataType
  +public class FilterChain extends DataType
       implements Cloneable {
   
       private Vector filterReaders = new Vector();
  
  
  

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