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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.vfs.tasks;
    18
    19  import org.apache.commons.vfs.FileObject;
    20  import org.apache.commons.vfs.Selectors;
    21  import org.apache.commons.vfs.util.Messages;
    22  import org.apache.tools.ant.BuildException;
    23
    24  import java.util.StringTokenizer;
    25
    26  /***
    27   * An Ant task that deletes matching files.
    28   *
    29   * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
    30   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
    31   * @todo Allow selector to be specified.
    32   */
    33  public class DeleteTask
    34      extends VfsTask
    35  {
    36      private String file;
    37      private String srcDirUrl;
    38      private String filesList;
    39
    40      /***
    41       * Sets the file/folder to delete.
    42       *
    43       * @param file
    44       */
    45      public void setFile(final String file)
    46      {
    47          this.file = file;
    48      }
    49
    50      /***
    51       * Sets the source directory
    52       */
    53      public void setSrcDir(final String srcDir)
    54      {
    55          this.srcDirUrl = srcDir;
    56      }
    57
    58      /***
    59       * Sets the files to includes
    60       */
    61      public void setIncludes(final String filesList)
    62      {
    63          this.filesList = filesList;
    64      }
    65
    66      /***
    67       * Executes this task.
    68       */
    69      public void execute() throws BuildException
    70      {
    71          if ((file == null && srcDirUrl == null) || (srcDirUrl != null && filesList == null))
    72          {
    73              final String message = Messages.getString("vfs.tasks/delete.no-source-files.error");
    74              throw new BuildException(message);
    75          }
    76
    77          try
    78          {
    79              if (srcDirUrl != null && filesList != null)
    80              {
    81                  log("Deleting " + filesList + " in the directory " + srcDirUrl);
    82                  if (!srcDirUrl.endsWith("/"))
    83                  {
    84                      srcDirUrl += "/";
    85                  }
    86                  StringTokenizer tok = new StringTokenizer(filesList, ", \t\n\r\f", false);
    87                  while (tok.hasMoreTokens())
    88                  {
    89                      String nextFile = tok.nextToken();
    90                      final FileObject srcFile = resolveFile(srcDirUrl + nextFile);
    91                      srcFile.delete(Selectors.SELECT_ALL);
    92                  }
    93              }
    94              else
    95              {
    96                  final FileObject srcFile = resolveFile(file);
    97                  log("Deleting " + srcFile);
    98                  srcFile.delete(Selectors.SELECT_ALL);
    99              }
    100         }
    101         catch (final Exception e)
    102         {
    103             throw new BuildException(e);
    104         }
    105     }
    106 }