CutDirsMapper (Apache Ant API)
Description: declaration: package: org.apache.tools.ant.types.mappers, class: CutDirsMapper

# Class CutDirsMapper

java.lang.Object
org.apache.tools.ant.types.mappers.CutDirsMapper

All Implemented Interfaces:
  `FileNameMapper`

public class CutDirsMapper extends Object implements FileNameMapper
A mapper that strips of the a configurable number of leading directories from a file name.

This mapper was inspired by a user-list thread that mentioned wget's --cut-dirs option.

See Also:
  - simplify copy with regexpmapper

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `CutDirsMapper()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `String[]`
  `mapFileName(String sourceFileName)`
  Returns an array containing the target filename(s) for the given source file.
  `void`
  `setDirs(int dirs)`
  The number of leading directories to cut.
  `void`
  `setFrom(String ignore)`
  Empty implementation.
  `void`
  `setTo(String ignore)`
  Empty implementation.

  ### Methods inherited from class Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### CutDirsMapper

    public CutDirsMapper()

- ## Method Details

  - ### setDirs

    public void setDirs(int dirs)
    The number of leading directories to cut.
    Parameters:
      `dirs` - int

  - ### setFrom

    public void setFrom(String ignore)
    Empty implementation.
    Specified by:
      `setFrom` in interface `FileNameMapper`
    Parameters:
      `ignore` - ignored.

  - ### setTo

    public void setTo(String ignore)
    Empty implementation.
    Specified by:
      `setTo` in interface `FileNameMapper`
    Parameters:
      `ignore` - ignored.

  - ### mapFileName

    public String[] mapFileName(String sourceFileName)
    Returns an array containing the target filename(s) for the given source file.

    if the given rule doesn't apply to the source file, implementation must return null. SourceFileScanner will then omit the source file in question.

    .
    Specified by:
      `mapFileName` in interface `FileNameMapper`
    Parameters:
      `sourceFileName` - the name of the source file relative to some given basedirectory. Might be `null` for resources that don't provide a name.
    Returns:
      an array of strings if the rule applies to the source file, or null if it does not.