gnu.regexp

Class REFilterInputStream


public class REFilterInputStream
extends FilterInputStream

Replaces instances of a given RE found within an InputStream with replacement text. The replacements are interpolated into the stream when a match is found.

Author:
Wes Biggs

Constructor Summary

REFilterInputStream(InputStream stream, RE expr, String replace)
Creates an REFilterInputStream.

Method Summary

boolean
markSupported()
Returns false.
int
read()
Reads the next byte from the stream per the general contract of InputStream.read().
int
read(byte[] b)
Reads from the stream into the provided array.
int
read(byte[] b, int off, int len)
Reads from the stream into the provided array.

Constructor Details

REFilterInputStream

public REFilterInputStream(InputStream stream,
                           RE expr,
                           String replace)
Creates an REFilterInputStream. When reading from this stream, occurrences of patterns matching the supplied regular expression will be replaced with the supplied replacement text (the metacharacters $0 through $9 may be used to refer to the full match or subexpression matches).

Parameters:
stream - The InputStream to be filtered.
expr - The regular expression to search for.
replace - The text pattern to replace matches with.

Method Details

markSupported

public boolean markSupported()
Returns false. REFilterInputStream does not support mark() and reset() methods.


read

public int read()
Reads the next byte from the stream per the general contract of InputStream.read(). Returns -1 on error or end of stream.


read

public int read(byte[] b)
Reads from the stream into the provided array.


read

public int read(byte[] b,
                int off,
                int len)
Reads from the stream into the provided array.