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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.Capability;
    20  import org.apache.commons.vfs.FileObject;
    21  import org.apache.commons.vfs.FileSystemException;
    22  import org.apache.commons.vfs.Selectors;
    23
    24  /***
    25   * An Ant task that copies matching files.
    26   *
    27   * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
    28   * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
    29   * @todo Copy folders that do not contain files
    30   */
    31  public class CopyTask
    32      extends AbstractSyncTask
    33  {
    34      private boolean overwrite = false;
    35      private boolean preserveLastModified = true;
    36
    37      /***
    38       * Enable/disable overwriting of up-to-date files.
    39       */
    40      public void setOverwrite(boolean overwrite)
    41      {
    42          this.overwrite = overwrite;
    43      }
    44
    45      /***
    46       * Enable/disable preserving last modified time of copied files.
    47       */
    48      public void setPreserveLastModified(boolean preserveLastModified)
    49      {
    50          this.preserveLastModified = preserveLastModified;
    51      }
    52
    53      /***
    54       * @return the curent value of overwrite
    55       */
    56      public boolean isOverwrite()
    57      {
    58          return overwrite;
    59      }
    60
    61      /***
    62       * @return the curent value of preserveLastModified
    63       */
    64      public boolean isPreserveLastModified()
    65      {
    66          return preserveLastModified;
    67      }
    68
    69      /***
    70       * Handles an out-of-date file.
    71       */
    72      protected void handleOutOfDateFile(final FileObject srcFile,
    73                                         final FileObject destFile)
    74          throws FileSystemException
    75      {
    76          log("Copying " + srcFile + " to " + destFile);
    77          destFile.copyFrom(srcFile, Selectors.SELECT_SELF);
    78          if (preserveLastModified  &&
    79                  srcFile.getFileSystem().hasCapability(Capability.GET_LAST_MODIFIED) &&
    80                  destFile.getFileSystem().hasCapability(Capability.SET_LAST_MODIFIED_FILE))
    81          {
    82              final long lastModTime = srcFile.getContent().getLastModifiedTime();
    83              destFile.getContent().setLastModifiedTime(lastModTime);
    84          }
    85      }
    86
    87      /***
    88       * Handles an up-to-date file.
    89       */
    90      protected void handleUpToDateFile(final FileObject srcFile,
    91                                        final FileObject destFile)
    92          throws FileSystemException
    93      {
    94          if (overwrite)
    95          {
    96              // Copy the file anyway
    97              handleOutOfDateFile(srcFile, destFile);
    98          }
    99      }
    100 }