org.apache.lucene.analysis
Class CharReader
java.lang.Object
java.io.Reader
org.apache.lucene.analysis.CharStream
org.apache.lucene.analysis.CharReader
- All Implemented Interfaces:
- java.io.Closeable, java.lang.Readable
public final class CharReader
- extends CharStream
CharReader is a Reader wrapper. It reads chars from
Reader and outputs CharStream
, defining an
identify function correctOffset(int)
method that
simply returns the provided offset.
Field Summary |
protected java.io.Reader |
input
|
Fields inherited from class java.io.Reader |
lock |
Methods inherited from class java.io.Reader |
read, read, read, ready, skip |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
input
protected java.io.Reader input
get
public static CharStream get(java.io.Reader input)
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
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Specified by:
close
in class java.io.Reader
- Throws:
java.io.IOException
read
public int read(char[] cbuf,
int off,
int len)
throws java.io.IOException
- Specified by:
read
in class java.io.Reader
- Throws:
java.io.IOException
markSupported
public boolean markSupported()
- Overrides:
markSupported
in class java.io.Reader
mark
public void mark(int readAheadLimit)
throws java.io.IOException
- Overrides:
mark
in class java.io.Reader
- Throws:
java.io.IOException
reset
public void reset()
throws java.io.IOException
- Overrides:
reset
in class java.io.Reader
- Throws:
java.io.IOException
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