org.apache.lucene.analysis

Class MockCharFilter

java.lang.Object

java.io.Reader

org.apache.lucene.analysis.CharStream

org.apache.lucene.analysis.MockCharFilter

All Implemented Interfaces:

Closeable, Readable

public class MockCharFilter
extends CharStream

the purpose of this charfilter is to send offsets out of bounds if the analyzer doesn't use correctOffset or does incorrect offset math.

Field Summary

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
MockCharFilter(Reader in)
MockCharFilter(Reader in, int remainder)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	addOffCorrectMap(int off, int cumulativeDiff)
void	close()
int	correctOffset(int currentOff) Called by CharFilter(s) and Tokenizer to correct token offset.
int	read()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.Reader

mark, markSupported, read, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

MockCharFilter

public MockCharFilter(Reader in,
              int remainder)

MockCharFilter

public MockCharFilter(Reader in)

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException

read

public int read()
         throws IOException

Overrides:

read in class Reader

Throws:

IOException

read

public int read(char[] cbuf,
       int off,
       int len)
         throws IOException

Specified by:

read in class Reader

Throws:

IOException

correctOffset

public int correctOffset(int currentOff)

Description copied from class: CharStream

Called by CharFilter(s) and Tokenizer to correct token offset.

Specified by:

correctOffset in class CharStream

Parameters:

currentOff - offset as seen in the output

Returns:

corrected offset based on the input

addOffCorrectMap

protected void addOffCorrectMap(int off,
                    int cumulativeDiff)