org.apache.tools.ant.filters
Class UniqFilter

java.lang.Object
  org.apache.tools.ant.ProjectComponent
      org.apache.tools.ant.filters.TokenFilter.ChainableReaderFilter
          org.apache.tools.ant.filters.UniqFilter

All Implemented Interfaces:

java.lang.Cloneable, ChainableReader, TokenFilter.Filter

public class UniqFilter
extends TokenFilter.ChainableReaderFilter

Like the Unix uniq(1) command, only returns tokens that are different from their ancestor token.

This filter is probably most useful if used together with a sortfilter.

Since:

Ant 1.8.0

Field Summary

Fields inherited from class org.apache.tools.ant.ProjectComponent

description, location, project

Constructor Summary

UniqFilter()

Method Summary

java.lang.String

filter(java.lang.String string) filter and/of modify a string

Methods inherited from class org.apache.tools.ant.filters.TokenFilter.ChainableReaderFilter

chain, setByLine

Methods inherited from class org.apache.tools.ant.ProjectComponent

clone, getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqFilter

public UniqFilter()

Method Detail

filter

public java.lang.String filter(java.lang.String string)

Description copied from interface: TokenFilter.Filter

filter and/of modify a string

Parameters:

string - the string to filter

Returns:

the modified string or null if the string did not pass the filter