com.sshtools.common.util

Class IOUtils

java.lang.Object

com.sshtools.common.util.IOUtils

public class IOUtils
extends java.lang.Object

Author:

$author$

Field Summary

Fields

Modifier and Type	Field and Description
static int	BUFFER_SIZE Default buffer size for stream utility methods

Constructor Summary

Constructors

Constructor and Description
IOUtils()

Method Summary

Modifier and Type	Method and Description
static void	closeStream(java.io.Closeable obj)
static boolean	closeStream(java.io.InputStream in)
static boolean	closeStream(java.io.OutputStream out)
static void	copy(java.io.InputStream in, java.io.OutputStream out) Copy from an input stream to an output stream.
static void	copy(java.io.InputStream in, java.io.OutputStream out, boolean forceFlush) Copy from an input stream to an output stream.
static void	copy(java.io.InputStream in, java.io.OutputStream out, long count) Copy the specified number of bytes from an input stream to an output stream.
static void	copy(java.io.InputStream in, java.io.OutputStream out, long count, int bufferSize, boolean forceFlush) Copy the specified number of bytes from an input stream to an output stream.
static void	copyFile(java.io.File from, java.io.File to)
static long	copyWithCount(java.io.InputStream in, java.io.OutputStream out) Copy from an input stream to an output stream.
static long	copyWithCount(java.io.InputStream in, java.io.OutputStream out, boolean forceFlush) Copy from an input stream to an output stream.
static long	copyWithCount(java.io.InputStream in, java.io.OutputStream out, long count) Copy the specified number of bytes from an input stream to an output stream.
static long	copyWithCount(java.io.InputStream in, java.io.OutputStream out, long count, int bufferSize, boolean forceFlush) Copy the specified number of bytes from an input stream to an output stream.
static boolean	delTree(java.io.File file)
static java.lang.Long	fromByteSize(java.lang.String val)
static java.lang.String	getFilenameExtension(java.lang.String filename)
static java.lang.String	getFilenameWithoutExtension(java.lang.String filename)
static java.lang.String	readStringFromFile(java.io.File file, java.lang.String charset)
static java.lang.String	readStringFromStream(java.io.InputStream in, java.lang.String charset)
static java.lang.String	readUTF8StringFromFile(java.io.File file)
static java.lang.String	readUTF8StringFromStream(java.io.InputStream in)
static int	readyFully(java.io.InputStream in, byte[] buf)
static void	recurseDeleteDirectory(java.io.File dir)
static void	rollover(java.io.File logFile, int maxFiles)
static byte[]	sha1Digest(java.io.File file)
static byte[]	sha1Digest(java.io.InputStream in)
static java.lang.String	toByteSize(double t)
static java.lang.String	toByteSize(double t, int decimalPlaces)
static java.io.InputStream	toInputStream(java.lang.String value, java.lang.String charset)
static void	writeBytesToFile(byte[] value, java.io.File file)
static void	writeStringToFile(java.io.File file, java.lang.String string, java.lang.String charset)
static void	writeStringToStream(java.io.OutputStream out, java.lang.String string, java.lang.String charset)
static void	writeUTF8StringToFile(java.io.File file, java.lang.String string)
static void	writeUTF8StringToStream(java.io.OutputStream out, java.lang.String string)

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

public static int BUFFER_SIZE

Default buffer size for stream utility methods

Constructor Detail

IOUtils

public IOUtils()

Method Detail

copy

public static void copy(java.io.InputStream in,
                        java.io.OutputStream out)
                 throws java.io.IOException

Copy from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

Throws:

java.io.IOException - on any error

copy

public static void copy(java.io.InputStream in,
                        java.io.OutputStream out,
                        boolean forceFlush)
                 throws java.io.IOException

Copy from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

forceFlush - force flush of the OutputStream on each block

Throws:

java.io.IOException - on any error

copy

public static void copy(java.io.InputStream in,
                        java.io.OutputStream out,
                        long count)
                 throws java.io.IOException

Copy the specified number of bytes from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

count - number of bytes to copy

Throws:

java.io.IOException - on any error

copy

public static void copy(java.io.InputStream in,
                        java.io.OutputStream out,
                        long count,
                        int bufferSize,
                        boolean forceFlush)
                 throws java.io.IOException

Copy the specified number of bytes from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

count - number of bytes to copy

bufferSize - buffer size

Throws:

java.io.IOException - on any error

copyWithCount

public static long copyWithCount(java.io.InputStream in,
                                 java.io.OutputStream out)
                          throws java.io.IOException

Copy from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

Throws:

java.io.IOException - on any error

copyWithCount

public static long copyWithCount(java.io.InputStream in,
                                 java.io.OutputStream out,
                                 boolean forceFlush)
                          throws java.io.IOException

Copy from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

forceFlush - force flush of the OutputStream on each block

Throws:

java.io.IOException - on any error

copyWithCount

public static long copyWithCount(java.io.InputStream in,
                                 java.io.OutputStream out,
                                 long count)
                          throws java.io.IOException

Copy the specified number of bytes from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

count - number of bytes to copy

Throws:

java.io.IOException - on any error

copyWithCount

public static long copyWithCount(java.io.InputStream in,
                                 java.io.OutputStream out,
                                 long count,
                                 int bufferSize,
                                 boolean forceFlush)
                          throws java.io.IOException

Copy the specified number of bytes from an input stream to an output stream. It is up to the caller to close the streams.

Parameters:

in - input stream

out - output stream

count - number of bytes to copy

bufferSize - buffer size

Throws:

java.io.IOException - on any error

closeStream

public static boolean closeStream(java.io.InputStream in)

Parameters:

in -

Returns:

closeStream

public static boolean closeStream(java.io.OutputStream out)

Parameters:

out -

Returns:

delTree

public static boolean delTree(java.io.File file)

recurseDeleteDirectory

public static void recurseDeleteDirectory(java.io.File dir)

copyFile

public static void copyFile(java.io.File from,
                            java.io.File to)
                     throws java.io.IOException

Throws:

java.io.IOException

readyFully

public static int readyFully(java.io.InputStream in,
                             byte[] buf)
                      throws java.io.IOException

Throws:

java.io.IOException

writeUTF8StringToStream

public static void writeUTF8StringToStream(java.io.OutputStream out,
                                           java.lang.String string)
                                    throws java.io.UnsupportedEncodingException,
                                           java.io.IOException

Throws:

java.io.UnsupportedEncodingException

java.io.IOException

writeStringToStream

public static void writeStringToStream(java.io.OutputStream out,
                                       java.lang.String string,
                                       java.lang.String charset)
                                throws java.io.UnsupportedEncodingException,
                                       java.io.IOException

Throws:

java.io.UnsupportedEncodingException

java.io.IOException

writeUTF8StringToFile

public static void writeUTF8StringToFile(java.io.File file,
                                         java.lang.String string)
                                  throws java.io.UnsupportedEncodingException,
                                         java.io.IOException

Throws:

java.io.UnsupportedEncodingException

java.io.IOException

writeStringToFile

public static void writeStringToFile(java.io.File file,
                                     java.lang.String string,
                                     java.lang.String charset)
                              throws java.io.UnsupportedEncodingException,
                                     java.io.IOException

Throws:

java.io.UnsupportedEncodingException

java.io.IOException

fromByteSize

public static java.lang.Long fromByteSize(java.lang.String val)

toByteSize

public static java.lang.String toByteSize(double t)

toByteSize

public static java.lang.String toByteSize(double t,
                                          int decimalPlaces)

sha1Digest

public static byte[] sha1Digest(java.io.File file)
                         throws java.security.NoSuchAlgorithmException,
                                java.io.FileNotFoundException,
                                java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

java.io.FileNotFoundException

java.io.IOException

sha1Digest

public static byte[] sha1Digest(java.io.InputStream in)
                         throws java.security.NoSuchAlgorithmException,
                                java.io.IOException

Throws:

java.security.NoSuchAlgorithmException

java.io.IOException

closeStream

public static void closeStream(java.io.Closeable obj)

getFilenameExtension

public static java.lang.String getFilenameExtension(java.lang.String filename)

getFilenameWithoutExtension

public static java.lang.String getFilenameWithoutExtension(java.lang.String filename)

rollover

public static void rollover(java.io.File logFile,
                            int maxFiles)

readUTF8StringFromFile

public static java.lang.String readUTF8StringFromFile(java.io.File file)
                                               throws java.io.IOException

Throws:

java.io.IOException

readUTF8StringFromStream

public static java.lang.String readUTF8StringFromStream(java.io.InputStream in)
                                                 throws java.io.IOException

Throws:

java.io.IOException

readStringFromFile

public static java.lang.String readStringFromFile(java.io.File file,
                                                  java.lang.String charset)
                                           throws java.io.UnsupportedEncodingException,
                                                  java.io.IOException

Throws:

java.io.UnsupportedEncodingException

java.io.IOException

readStringFromStream

public static java.lang.String readStringFromStream(java.io.InputStream in,
                                                    java.lang.String charset)
                                             throws java.io.IOException

Throws:

java.io.IOException

toInputStream

public static java.io.InputStream toInputStream(java.lang.String value,
                                                java.lang.String charset)
                                         throws java.io.IOException

Throws:

java.io.IOException

writeBytesToFile

public static void writeBytesToFile(byte[] value,
                                    java.io.File file)
                             throws java.io.IOException

Throws:

java.io.IOException