Package org.apache.tools.ant.filters

Class TabsToSpaces

java.lang.Object
java.io.Reader
java.io.FilterReader
org.apache.tools.ant.filters.BaseFilterReader
org.apache.tools.ant.filters.BaseParamFilterReader
org.apache.tools.ant.filters.TabsToSpaces
All Implemented Interfaces:
java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable, ChainableReader, Parameterizable
public final class TabsToSpaces
extends BaseParamFilterReader
implements ChainableReader
Converts tabs to spaces. Example: 
<tabstospaces tablength="8"/>
Or: 
<filterreader classname="org.apache.tools.ant.filters.TabsToSpaces">
   <param name="tablength" value="8"/>
 </filterreader>

  • Field Summary

    Fields inherited from class java.io.FilterReader

    in

    Fields inherited from class java.io.Reader

    lock

  • Constructor Summary

    Constructors 
    Constructor Description
    TabsToSpaces()
    Constructor for "dummy" instances.
    TabsToSpaces​(java.io.Reader in)
    Creates a new filtered reader.

  • Method Summary

    Modifier and Type Method Description
    java.io.Reader chain​(java.io.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

    Methods inherited from class java.io.FilterReader

    close, mark, markSupported, ready, reset

    Methods inherited from class java.io.Reader

    nullReader, read, read, transferTo

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • TabsToSpaces

      public TabsToSpaces()
      Constructor for "dummy" instances.
      See Also:
      BaseFilterReader()

    • TabsToSpaces

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

  • Method Details

    • read

      public int read() throws java.io.IOException
      Returns the next character in the filtered stream, converting tabs to the specified number of spaces.
      Overrides:
      read in class java.io.FilterReader
      Returns:
      the next character in the resulting stream, or -1 if the end of the resulting stream has been reached
      Throws:
      java.io.IOException - if the underlying stream throws an IOException during reading

    • setTablength

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

    • chain

      public java.io.Reader chain​(java.io.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