net.tomp2p.utils
Class Utils

java.lang.Object
  net.tomp2p.utils.Utils

public class Utils
extends Object

Constructor Summary

Utils()

Method Summary

static void	bestEffortclose(Closeable... closables)
static int	byteArrayToInt(byte[] b)
static byte[]	compress(byte[] input)
static Number160	createRandomNodeID()
static Object	decodeJavaObject(byte[] me, int offset, int length)
static void	difference(Collection<PeerAddress> newNeighbors, Collection<PeerAddress> alreadyAsked, Collection<PeerAddress> result)
static DigestInfo	digest(Storage storage, Number160 locationKey, Number160 domainKey, Collection<Number160> contentKeys)
static byte[]	encodeJavaObject(Object attachement)
static byte[]	intToByteArray(int value)
static ByteBuffer	loadFile(File file)
static Number160	makeSHAHash(byte[] buffer)
static Number160	makeSHAHash(byte[] buffer, int offset, int length)
static Number160	makeSHAHash(ByteBuffer buffer)
static Number160	makeSHAHash(File file)
static Number160	makeSHAHash(String strInput)
static PeerAddress	pollFirst(SortedSet<PeerAddress> queue)
static void	sleep(long connectionTimeout)
static byte[]	uncompress(byte[] compressedData)
static byte[]	uncompress(byte[] compressedData, int offset, int length)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

loadFile

public static ByteBuffer loadFile(File file)
                           throws IOException

Throws:

IOException

makeSHAHash

public static Number160 makeSHAHash(File file)

makeSHAHash

public static Number160 makeSHAHash(String strInput)

makeSHAHash

public static Number160 makeSHAHash(ByteBuffer buffer)

makeSHAHash

public static Number160 makeSHAHash(byte[] buffer)

makeSHAHash

public static Number160 makeSHAHash(byte[] buffer,
                                    int offset,
                                    int length)

createRandomNodeID

public static Number160 createRandomNodeID()

sleep

public static void sleep(long connectionTimeout)

compress

public static byte[] compress(byte[] input)

uncompress

public static byte[] uncompress(byte[] compressedData,
                                int offset,
                                int length)

uncompress

public static byte[] uncompress(byte[] compressedData)

encodeJavaObject

public static byte[] encodeJavaObject(Object attachement)
                               throws IOException

Throws:

IOException

decodeJavaObject

public static Object decodeJavaObject(byte[] me,
                                      int offset,
                                      int length)
                               throws ClassNotFoundException,
                                      IOException

Throws:

ClassNotFoundException

IOException

difference

public static void difference(Collection<PeerAddress> newNeighbors,
                              Collection<PeerAddress> alreadyAsked,
                              Collection<PeerAddress> result)

bestEffortclose

public static void bestEffortclose(Closeable... closables)

pollFirst

public static PeerAddress pollFirst(SortedSet<PeerAddress> queue)

intToByteArray

public static final byte[] intToByteArray(int value)

byteArrayToInt

public static final int byteArrayToInt(byte[] b)

digest

public static DigestInfo digest(Storage storage,
                                Number160 locationKey,
                                Number160 domainKey,
                                Collection<Number160> contentKeys)