com.maverick.logging

Class IOUtils

java.lang.Object

com.maverick.logging.IOUtils

public class IOUtils
extends 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(Closeable obj)
static boolean	closeStream(InputStream in)
static boolean	closeStream(OutputStream out)
static void	copy(InputStream in, OutputStream out) Copy from an input stream to an output stream.
static void	copy(InputStream in, OutputStream out, long count) Copy the specified number of bytes from an input stream to an output stream.
static void	copy(InputStream in, OutputStream out, long count, int bufferSize) Copy the specified number of bytes from an input stream to an output stream.
static void	copyFile(File from, File to)
static boolean	delTree(File file)
static Long	fromByteSize(String val)
static String	getFilenameExtension(String filename)
static String	getFilenameWithoutExtension(String filename)
static boolean	isNull(Object obj)
static String	readStringFromFile(File file, String charset)
static String	readStringFromStream(InputStream in, String charset)
static String	readUTF8StringFromFile(File file)
static String	readUTF8StringFromStream(InputStream in)
static int	readyFully(InputStream in, byte[] buf)
static void	recurseDeleteDirectory(File dir)
static void	rollover(File logFile, int maxFiles)
static byte[]	sha1Digest(File file)
static byte[]	sha1Digest(InputStream in)
static String	toByteSize(double t)
static String	toByteSize(double t, int decimalPlaces)
static InputStream	toInputStream(String value, String charset)
static void	writeStringToFile(File file, String string, String charset)
static void	writeStringToStream(OutputStream out, String string, String charset)
static void	writeUTF8StringToFile(File file, String string)
static void	writeUTF8StringToStream(OutputStream out, 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(InputStream in,
                        OutputStream out)
                 throws 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:

IOException - on any error

copy

public static void copy(InputStream in,
                        OutputStream out,
                        long count)
                 throws 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:

IOException - on any error

copy

public static void copy(InputStream in,
                        OutputStream out,
                        long count,
                        int bufferSize)
                 throws 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:

IOException - on any error

closeStream

public static boolean closeStream(InputStream in)

Parameters:

in -

Returns:

closeStream

public static boolean closeStream(OutputStream out)

Parameters:

out -

Returns:

delTree

public static boolean delTree(File file)

recurseDeleteDirectory

public static void recurseDeleteDirectory(File dir)

copyFile

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

Throws:

IOException

readyFully

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

Throws:

IOException

writeUTF8StringToStream

public static void writeUTF8StringToStream(OutputStream out,
                                           String string)
                                    throws UnsupportedEncodingException,
                                           IOException

Throws:

UnsupportedEncodingException

IOException

writeStringToStream

public static void writeStringToStream(OutputStream out,
                                       String string,
                                       String charset)
                                throws UnsupportedEncodingException,
                                       IOException

Throws:

UnsupportedEncodingException

IOException

writeUTF8StringToFile

public static void writeUTF8StringToFile(File file,
                                         String string)
                                  throws UnsupportedEncodingException,
                                         IOException

Throws:

UnsupportedEncodingException

IOException

writeStringToFile

public static void writeStringToFile(File file,
                                     String string,
                                     String charset)
                              throws UnsupportedEncodingException,
                                     IOException

Throws:

UnsupportedEncodingException

IOException

fromByteSize

public static Long fromByteSize(String val)

toByteSize

public static String toByteSize(double t)

toByteSize

public static String toByteSize(double t,
                                int decimalPlaces)

sha1Digest

public static byte[] sha1Digest(File file)
                         throws NoSuchAlgorithmException,
                                FileNotFoundException,
                                IOException

Throws:

NoSuchAlgorithmException

FileNotFoundException

IOException

sha1Digest

public static byte[] sha1Digest(InputStream in)
                         throws NoSuchAlgorithmException,
                                IOException

Throws:

NoSuchAlgorithmException

IOException

closeStream

public static void closeStream(Closeable obj)

isNull

public static boolean isNull(Object obj)

getFilenameExtension

public static String getFilenameExtension(String filename)

getFilenameWithoutExtension

public static String getFilenameWithoutExtension(String filename)

rollover

public static void rollover(File logFile,
                            int maxFiles)

readUTF8StringFromFile

public static String readUTF8StringFromFile(File file)
                                     throws IOException

Throws:

IOException

readUTF8StringFromStream

public static String readUTF8StringFromStream(InputStream in)
                                       throws IOException

Throws:

IOException

readStringFromFile

public static String readStringFromFile(File file,
                                        String charset)
                                 throws UnsupportedEncodingException,
                                        IOException

Throws:

UnsupportedEncodingException

IOException

readStringFromStream

public static String readStringFromStream(InputStream in,
                                          String charset)
                                   throws IOException

Throws:

IOException

toInputStream

public static InputStream toInputStream(String value,
                                        String charset)
                                 throws IOException

Throws:

IOException