org.rdfhdt.hdt.util.io

Class IOUtil

java.lang.Object

org.rdfhdt.hdt.util.io.IOUtil

public class IOUtil
extends Object

Author:

mario.arias

Method Summary

Modifier and Type	Method and Description
static int	byteArrayToInt(byte[] value) Convert byte array to int, little endian
static void	closeQuietly(Closeable output)
static void	copyFile(File src, File dst)
static void	copyStream(InputStream in, OutputStream out)
static void	copyStream(InputStream in, OutputStream out, long n)
static void	decompressGzip(File src, File trgt)
static InputStream	getFileInputStream(String fileName)
static BufferedReader	getFileReader(String fileName)
static byte[]	intToByteArray(int value) Convert int to byte array, little endian
static void	moveFile(File src, File dst)
static void	printBits(long val, int bits)
static void	printBitsln(long val, int bits)
static byte[]	readBuffer(InputStream input, int length, ProgressListener listener)
static byte	readByte(InputStream in)
static String	readChars(InputStream in, int numChars)
static int	readInt(InputStream in) Read int, little endian
static String	readLine(InputStream in, char character)
static long	readLong(InputStream input) Read long, little endian.
static short	readShort(InputStream in)
static void	skip(InputStream in, long n)
static CharSequence	toBinaryString(int val)
static CharSequence	toBinaryString(long val)
static void	writeBuffer(OutputStream output, byte[] buffer, int offset, int length, ProgressListener listener)
static void	writeByte(OutputStream out, byte value)
static void	writeInt(OutputStream output, int value) Write int, little endian
static void	writeLong(OutputStream output, long value) Write long, little endian
static void	writeShort(OutputStream out, short value)
static void	writeString(OutputStream out, String str)

Methods inherited from class java.lang.Object

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

Method Detail

getFileInputStream

public static InputStream getFileInputStream(String fileName)
                                      throws IOException

Throws:

IOException

getFileReader

public static BufferedReader getFileReader(String fileName)
                                    throws IOException

Throws:

IOException

readLine

public static String readLine(InputStream in,
                              char character)
                       throws IOException

Throws:

IOException

readChars

public static String readChars(InputStream in,
                               int numChars)
                        throws IOException

Throws:

IOException

writeString

public static void writeString(OutputStream out,
                               String str)
                        throws IOException

Throws:

IOException

writeBuffer

public static void writeBuffer(OutputStream output,
                               byte[] buffer,
                               int offset,
                               int length,
                               ProgressListener listener)
                        throws IOException

Throws:

IOException

copyStream

public static void copyStream(InputStream in,
                              OutputStream out)
                       throws IOException

Throws:

IOException

copyStream

public static void copyStream(InputStream in,
                              OutputStream out,
                              long n)
                       throws IOException

Throws:

IOException

copyFile

public static void copyFile(File src,
                            File dst)
                     throws IOException

Throws:

IOException

moveFile

public static void moveFile(File src,
                            File dst)
                     throws IOException

Throws:

IOException

decompressGzip

public static void decompressGzip(File src,
                                  File trgt)
                           throws IOException

Throws:

IOException

writeLong

public static void writeLong(OutputStream output,
                             long value)
                      throws IOException

Write long, little endian

Parameters:

output -

value -

Throws:

IOException

readLong

public static long readLong(InputStream input)
                     throws IOException

Read long, little endian.

Parameters:

input -

Returns:

Throws:

IOException

writeInt

public static void writeInt(OutputStream output,
                            int value)
                     throws IOException

Write int, little endian

Parameters:

output -

value -

Throws:

IOException

intToByteArray

public static byte[] intToByteArray(int value)

Convert int to byte array, little endian

readInt

public static int readInt(InputStream in)
                   throws IOException

Read int, little endian

Parameters:

input -

Returns:

Throws:

IOException

byteArrayToInt

public static int byteArrayToInt(byte[] value)

Convert byte array to int, little endian

Parameters:

value -

Returns:

readBuffer

public static byte[] readBuffer(InputStream input,
                                int length,
                                ProgressListener listener)
                         throws IOException

Parameters:

din -

bytes -

listener -

Returns:

Throws:

IOException

toBinaryString

public static CharSequence toBinaryString(long val)

toBinaryString

public static CharSequence toBinaryString(int val)

printBitsln

public static void printBitsln(long val,
                               int bits)

printBits

public static void printBits(long val,
                             int bits)

readShort

public static short readShort(InputStream in)
                       throws IOException

Throws:

IOException

writeShort

public static void writeShort(OutputStream out,
                              short value)
                       throws IOException

Throws:

IOException

readByte

public static byte readByte(InputStream in)
                     throws IOException

Throws:

IOException

writeByte

public static void writeByte(OutputStream out,
                             byte value)
                      throws IOException

Throws:

IOException

skip

public static void skip(InputStream in,
                        long n)
                 throws IOException

Throws:

IOException

closeQuietly

public static void closeQuietly(Closeable output)