org.apache.tools.ant.filters

Class TabsToSpaces

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

Constructor Detail

TabsToSpaces

public TabsToSpaces()
Constructor for "dummy" instances.

See Also: BaseFilterReader

TabsToSpaces

public TabsToSpaces(Reader in)
Creates a new filtered reader.

Parameters: in A Reader object providing the underlying stream. Must not be null.

Method Detail

chain

public final Reader chain(Reader rdr)
Creates a new TabsToSpaces using the passed in Reader for instantiation.

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()
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

Throws: IOException if the underlying stream throws an IOException during reading

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