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RegexpPatternMapper (Apache Ant API)

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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.

Author:: Stefan Bodewig

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.