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TabsToSpaces (Apache Ant API)
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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:
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>

Author:
Magesh Umasankar

Field Summary
 
Fields inherited from class java.io.FilterReader
in
 
Fields inherited from class java.io.Reader
lock
 
Constructor Summary
TabsToSpaces()
          Constructor for "dummy" instances.
TabsToSpaces(java.io.Reader in)
          Creates a new filtered reader.
 
Method Summary
 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
read
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TabsToSpaces


public TabsToSpaces()
Constructor for "dummy" instances.

See Also:
BaseFilterReader.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 Detail

read


public final 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 final void setTablength(int tabLength)
Sets the tab length.

Parameters:
tabLength - the number of spaces to be used when converting a tab.

chain


public final 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
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