com.starteam.util
Class StreamUtils

java.lang.Object
  com.starteam.util.StreamUtils

public final class StreamUtils
extends java.lang.Object

Nested Class Summary

static interface

StreamUtils.Listener

Method Summary

static long	bufferedTransfer(java.io.InputStream from, java.io.OutputStream to, int buffSize) Transfer data from an input to an output stream Buffer the transfer for faster processing throughput
static long	bufferedTransfer(java.io.InputStream from, java.io.OutputStream to, int buffSize, MD5 aMD5) Transfer data from an input to an output stream Buffer the transfer for faster processing throughput
static long	bufferedTransfer(java.io.InputStream from, java.io.OutputStream to, int buffSize, MD5 aMD5, StreamUtils.Listener listener) Transfer data from an input to an output stream Buffer the transfer for faster processing throughput
static java.io.File	copy(java.io.File from, java.lang.String toDirectoryPath) create a file in the directory, with the same name as the file specified and copy it's content
static java.io.File	copy(java.io.File from, java.lang.String toDirectoryPath, java.lang.String toFileName) create a file in the directory, with the specified to name and copy the content from the 'from' file
static long	eatStream(java.io.InputStream from, int buffSize)
static long	eatStream(java.io.InputStream from, int buffSize, MD5 aMD5)

Methods inherited from class java.lang.Object

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

Method Detail

copy

public static java.io.File copy(java.io.File from,
                                java.lang.String toDirectoryPath)
                         throws java.io.IOException

create a file in the directory, with the same name as the file specified and copy it's content

Parameters:

from - File the File whose content needs to be copied

toDirectoryPath - the path to a directory into which the content must be copied this directory must already exist

Returns:

the newly created file

Throws:

java.io.IOException

copy

public static java.io.File copy(java.io.File from,
                                java.lang.String toDirectoryPath,
                                java.lang.String toFileName)
                         throws java.io.IOException

create a file in the directory, with the specified to name and copy the content from the 'from' file

Parameters:

from - File the File whose content needs to be copied

toDirectoryPath - the path to a directory into which the content must be copied this directory must already exist

toFileName - the name of the file to be created in the to directory

Returns:

the newly created file

Throws:

java.io.IOException

bufferedTransfer

public static long bufferedTransfer(java.io.InputStream from,
                                    java.io.OutputStream to,
                                    int buffSize)
                             throws java.io.IOException

Transfer data from an input to an output stream Buffer the transfer for faster processing throughput

Parameters:

from - InputStream the stream (remote server) to transfer from

to - OutputStream the stream (local file) to transfer to

buffSize - int the size of the buffer, or 65536 if not specified

Returns:

long the number of bytes transfered

Throws:

java.io.IOException

eatStream

public static long eatStream(java.io.InputStream from,
                             int buffSize)
                      throws java.io.IOException

Throws:

java.io.IOException

eatStream

public static long eatStream(java.io.InputStream from,
                             int buffSize,
                             MD5 aMD5)
                      throws java.io.IOException

Throws:

java.io.IOException

bufferedTransfer

public static long bufferedTransfer(java.io.InputStream from,
                                    java.io.OutputStream to,
                                    int buffSize,
                                    MD5 aMD5)
                             throws java.io.IOException

Transfer data from an input to an output stream Buffer the transfer for faster processing throughput

Parameters:

from - InputStream the stream (remote server) to transfer from

to - OutputStream the stream (local file) to transfer to

buffSize - int the size of the buffer, or 65536 if not specified

aMD5 - MD5 an md5 that is computed from the bytes being streamed

Returns:

long the number of bytes transfered

Throws:

java.io.IOException

bufferedTransfer

public static long bufferedTransfer(java.io.InputStream from,
                                    java.io.OutputStream to,
                                    int buffSize,
                                    MD5 aMD5,
                                    StreamUtils.Listener listener)
                             throws java.io.IOException

Transfer data from an input to an output stream Buffer the transfer for faster processing throughput

Parameters:

from - InputStream the stream (remote server) to transfer from

to - OutputStream the stream (local file) to transfer to

buffSize - int the size of the buffer, or 65536 if not specified

aMD5 - MD5 an md5 that is computed from the bytes being streamed

listener - StreamListener a listener which is notified per pass

Returns:

long the number of bytes transfered

Throws:

java.io.IOException