sdljava.util
Class BufferUtil

java.lang.Object
  sdljava.util.BufferUtil

public class BufferUtil
extends java.lang.Object

Some usefull methods for reading URLs or streams and returning the data as Direct Buffers

Version:

$Id: BufferUtil.java,v 1.5 2005/02/19 02:00:36 ivan_ganza Exp $

Author:

Ivan Z. Ganza, Robert Schuster, Bart LEBOEUF

Field Summary

private static int

BUFFER_SIZE

Constructor Summary

BufferUtil()

Method Summary

static java.nio.ByteBuffer	createByteBuffer(byte[] values)
static java.nio.ByteBuffer	createByteBuffer(int capacity)
static java.nio.CharBuffer	createCharBuffer(char[] values)
static java.nio.CharBuffer	createCharBuffer(int capacity)
static java.nio.DoubleBuffer	createDoubleBuffer(double[] values)
static java.nio.DoubleBuffer	createDoubleBuffer(int capacity)
static java.nio.FloatBuffer	createFloatBuffer(float[] values)
static java.nio.FloatBuffer	createFloatBuffer(int capacity)
static java.nio.IntBuffer	createIntBuffer(int capacity)
static java.nio.IntBuffer	createIntBuffer(int[] values)
static java.nio.LongBuffer	createLongBuffer(int capacity)
static java.nio.LongBuffer	createLongBuffer(long[] values)
static java.nio.ShortBuffer	createShortBuffer(int capacity)
static java.nio.ShortBuffer	createShortBuffer(short[] values)
static java.nio.ByteBuffer	readInputStream(java.io.InputStream in) Fully reads the given InputStream, returning its contents as a ByteBuffer
static java.nio.ByteBuffer	readURL(java.net.URL url) Tries to open the given URL, get its input stream, returns the data in a direct ByteBuffer

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

private static final int BUFFER_SIZE

See Also:

Constant Field Values

Constructor Detail

BufferUtil

public BufferUtil()

Method Detail

readURL

public static java.nio.ByteBuffer readURL(java.net.URL url)
                                   throws java.io.IOException,
                                          java.net.MalformedURLException

Tries to open the given URL, get its input stream, returns the data in a direct ByteBuffer

Parameters:

url - an URL value

Returns:

a ByteBuffer value with the contacts of the data present at URL

Throws:

java.io.IOException - if an error occurs

java.net.MalformedURLException - if an error occurs

readInputStream

public static java.nio.ByteBuffer readInputStream(java.io.InputStream in)
                                           throws java.io.IOException

Fully reads the given InputStream, returning its contents as a ByteBuffer

Parameters:

in - an InputStream value

Returns:

a ByteBuffer value

Throws:

java.io.IOException - if an error occurs

createByteBuffer

public static java.nio.ByteBuffer createByteBuffer(int capacity)

createByteBuffer

public static java.nio.ByteBuffer createByteBuffer(byte[] values)

createFloatBuffer

public static java.nio.FloatBuffer createFloatBuffer(int capacity)

createFloatBuffer

public static java.nio.FloatBuffer createFloatBuffer(float[] values)

createIntBuffer

public static java.nio.IntBuffer createIntBuffer(int capacity)

createIntBuffer

public static java.nio.IntBuffer createIntBuffer(int[] values)

createDoubleBuffer

public static java.nio.DoubleBuffer createDoubleBuffer(int capacity)

createDoubleBuffer

public static java.nio.DoubleBuffer createDoubleBuffer(double[] values)

createLongBuffer

public static java.nio.LongBuffer createLongBuffer(int capacity)

createLongBuffer

public static java.nio.LongBuffer createLongBuffer(long[] values)

createShortBuffer

public static java.nio.ShortBuffer createShortBuffer(int capacity)

createShortBuffer

public static java.nio.ShortBuffer createShortBuffer(short[] values)

createCharBuffer

public static java.nio.CharBuffer createCharBuffer(int capacity)

createCharBuffer

public static java.nio.CharBuffer createCharBuffer(char[] values)