org.apache.tools.ant.util
Class RegexpPatternMapper

java.lang.Object
  |
  +--org.apache.tools.ant.util.RegexpPatternMapper

All Implemented Interfaces:

FileNameMapper

public class RegexpPatternMapper

extends java.lang.Object

implements FileNameMapper

Implementation of FileNameMapper that does regular expression replacements.

Field Summary

protected RegexpMatcher	reg
protected java.lang.StringBuffer	result
protected char[]	to

Constructor Summary

RegexpPatternMapper()

Method Summary

java.lang.String[]	mapFileName(java.lang.String sourceFileName) Returns null if the source file name doesn't match the "from" pattern, an one-element array containing the translated file otherwise.
protected java.lang.String	replaceReferences(java.lang.String source) Replace all backreferences in the to pattern with the matched groups of the source.
void	setFrom(java.lang.String from) Sets the "from" pattern.
void	setTo(java.lang.String to) Sets the "to" pattern.

Methods inherited from class java.lang.Object

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

Field Detail

reg

protected RegexpMatcher reg

to

protected char[] to

result

protected java.lang.StringBuffer result

Constructor Detail

RegexpPatternMapper

public RegexpPatternMapper()
                    throws BuildException

Method Detail

setFrom

public void setFrom(java.lang.String from)
             throws BuildException

Sets the "from" pattern. Required.

Specified by:

setFrom in interface FileNameMapper

BuildException

setTo

public void setTo(java.lang.String to)

Sets the "to" pattern. Required.

Specified by:

setTo in interface FileNameMapper

mapFileName

public java.lang.String[] mapFileName(java.lang.String sourceFileName)

Returns null if the source file name doesn't match the "from" pattern, an one-element array containing the translated file otherwise.

Specified by:

mapFileName in interface FileNameMapper

Parameters:

sourceFileName - the name of the source file relative to some given basedirectory.

replaceReferences

protected java.lang.String replaceReferences(java.lang.String source)

Replace all backreferences in the to pattern with the matched groups of the source.