regexp
Class REFilterInputStream

java.lang.Object
  |
  +--java.io.InputStream
        |
        +--java.io.FilterInputStream
              |
              +--regexp.REFilterInputStream

public class REFilterInputStream

extends FilterInputStream

Replaces instances of a given RE with replacement text.

Since:

gnu.regexp 1.0.5

Author:

Wes Biggs

Field Summary

private String	m_buffer
private int	m_bufpos
private RE	m_expr
private int	m_offset
private String	m_replace
private CharIndexedInputStream	m_stream

Fields inherited from class java.io.FilterInputStream

in

Fields inherited from class java.io.InputStream

SKIP_BUFFER_SIZE, skipBuffer

Constructor Summary

REFilterInputStream(InputStream f_stream, RE f_expr, String f_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.

Methods inherited from class java.io.FilterInputStream

available, close, mark, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

m_expr

private RE m_expr

m_replace

private String m_replace

m_buffer

private String m_buffer

m_bufpos

private int m_bufpos

m_offset

private int m_offset

m_stream

private CharIndexedInputStream m_stream

Constructor Detail

REFilterInputStream

public REFilterInputStream(InputStream f_stream,
                           RE f_expr,
                           String f_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:

f_stream - The InputStream to be filtered.

f_expr - The regular expression to search for.

f_replace - The text pattern to replace matches with.

Method Detail

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.

Overrides:

read in class FilterInputStream

markSupported

public boolean markSupported()

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

Overrides:

markSupported in class FilterInputStream

read

public int read(byte[] b,
                int off,
                int len)

Reads from the stream into the provided array.

Overrides:

read in class FilterInputStream

read

public int read(byte[] b)

Reads from the stream into the provided array.

Overrides:

read in class FilterInputStream