Package org.cip4.jdflib.util

Class StreamUtil

java.lang.Object

org.cip4.jdflib.util.StreamUtil

public class StreamUtil
extends Object

Constructor Summary

Constructors

Constructor	Description
StreamUtil()

Method Summary

Modifier and Type	Method	Description
static void	close(InputStream ios)	exception catching null safe close
static void	close(OutputStream ios)	exception catching null safe close
static void	copy(InputStream is, OutputStream os)	exception catching null safe copy
static InputStream	getBufferedInputStream(InputStream is)	return a reasonably well performing stream for is
static OutputStream	getBufferedOutputStream(OutputStream os)	return a reasonably well performing stream for os
static VString	getLines(InputStream in)	read and tokenize a stream by cr/lf
static byte[]	getMD5(InputStream is)	calculate the md5 hash
static boolean	replaceBytes(InputStream in, OutputStream out, byte[] srcbytes, byte[] targetbytes, int nReplace)	replace all occurences of srcbytes with targetbytes
static void	reset(InputStream stream)
static OutputStream	write2Stream(IStreamWriter w, OutputStream os)	write to a stream

Methods inherited from class java.lang.Object

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

Constructor Details

StreamUtil

public StreamUtil()

Method Details

getBufferedInputStream

public static InputStream getBufferedInputStream(InputStream is)

return a reasonably well performing stream for is

Parameters:

is -

Returns:

the buffered stream

write2Stream

public static OutputStream write2Stream(IStreamWriter w,
 OutputStream os)

write to a stream

Parameters:

file - the file to write

w - the writer to write to

Returns:

the stream that was created, null if snafu

getBufferedOutputStream

public static OutputStream getBufferedOutputStream(OutputStream os)

return a reasonably well performing stream for os

Parameters:

os -

Returns:

the buffered stream

getLines

public static VString getLines(InputStream in)

read and tokenize a stream by cr/lf

Parameters:

in - the input stream to read

Returns:

a vector of strings, one for each line

replaceBytes

public static boolean replaceBytes(InputStream in,
 OutputStream out,
 byte[] srcbytes,
 byte[] targetbytes,
 int nReplace)

replace all occurences of srcbytes with targetbytes

Parameters:

in -

out -

srcbytes -

targetbytes -

n -

getMD5

public static byte[] getMD5(InputStream is)

calculate the md5 hash

Parameters:

is -

Returns:

close

public static void close(OutputStream ios)

exception catching null safe close

Parameters:

ios -

copy

public static void copy(InputStream is,
 OutputStream os)

exception catching null safe copy

Parameters:

ios -

reset

public static void reset(InputStream stream)

Parameters:

stream -

close

public static void close(InputStream ios)

exception catching null safe close

Parameters:

ios -