Class 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

      All Methods Instance Methods Concrete Methods 
      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 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 Detail

      • 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 Detail

      • 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