org.apache.tools.ant.filters

Class TabsToSpaces

Implemented Interfaces:
ChainableReader, Parameterizable

public final class TabsToSpaces
extends BaseParamFilterReader
implements ChainableReader

Converts tabs to spaces. Example:
<tabtospaces tablength="8"/>
Or:
<filterreader classname="org.apache.tools.ant.filters.TabsToSpaces">
   <param name="tablength" value="8"/>
 </filterreader>

Constructor Summary

TabsToSpaces()
Constructor for "dummy" instances.
TabsToSpaces(Reader in)
Creates a new filtered reader.

Method Summary

Reader
chain(Reader rdr)
Creates a new TabsToSpaces using the passed in Reader for instantiation.
int
read()
Returns the next character in the filtered stream, converting tabs to the specified number of spaces.
void
setTablength(int tabLength)
Sets the tab length.

Methods inherited from class org.apache.tools.ant.filters.BaseParamFilterReader

getParameters, setParameters

Methods inherited from class org.apache.tools.ant.filters.BaseFilterReader

getInitialized, getProject, read, readFully, readLine, setInitialized, setProject, skip

Constructor Details

TabsToSpaces

public TabsToSpaces()
Constructor for "dummy" instances.

TabsToSpaces

public TabsToSpaces(Reader in)
Creates a new filtered reader.
Parameters:
in - A Reader object providing the underlying stream. Must not be null.

Method Details

chain

public final Reader chain(Reader rdr)
Creates a new TabsToSpaces using the passed in Reader for instantiation.
Specified by:
chain in interface ChainableReader
Parameters:
rdr - A Reader object providing the underlying stream. Must not be null.
Returns:
a new filter based on this configuration, but filtering the specified reader

read

public final int read()
            throws IOException
Returns the next character in the filtered stream, converting tabs to the specified number of spaces.
Returns:
the next character in the resulting stream, or -1 if the end of the resulting stream has been reached

setTablength

public final void setTablength(int tabLength)
Sets the tab length.
Parameters:
tabLength - the number of spaces to be used when converting a tab.

Copyright B) 2000-2007 Apache Software Foundation. All Rights Reserved.