net.tomp2p.utils

Class Utils

java.lang.Object

net.tomp2p.utils.Utils

public class Utils
extends Object

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Methods

Modifier and Type	Method and Description
static void	addReleaseListener(BaseFuture baseFuture, ChannelCreator cc, int nr)
static void	addReleaseListenerAll(BaseFuture baseFuture, ChannelCreator cc)
static void	bestEffortclose(Closeable... closables)
static int	byteArrayToInt(byte[] b)
static boolean	checkEntryProtection(Map<Number160,Data> dataMap)
static byte[]	compress(byte[] input)
static Collection<Number160>	convert(Collection<TrackerData> a)
static Number160	createRandomNodeID()
static String	debugArray(byte[] array)
static String	debugArray(byte[] array, int offset, int length)
static Object	decodeJavaObject(byte[] me, int offset, int length)
static <K> void	difference(Collection<K> newNeighbors, Collection<K> alreadyAsked, Collection<K> result)
static DigestInfo	digest(Digest storage, Number160 locationKey, Number160 domainKey, Collection<Number160> contentKeys)
static <K,V> Map<K,V>	disjunction(Map<K,V> a, Collection<K> b)
static byte[]	encodeJavaObject(Object attachement)
static byte[]	intToByteArray(int value)
static <K> Collection<K>	limit(Collection<K> a, int size)
static <K,V> Map<K,V>	limit(Map<K,V> a, int i)
static Map<Number160,TrackerData>	limitRandom(Map<Number160,TrackerData> activePeers, int trackerSize)
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 <K> K	pollRandom(SortedSet<K> queueToAsk, Random rnd)
static <K,V> Map.Entry<K,V>	pollRandomKey(Map<K,V> queueToAsk, Random rnd)
static void	sleep(long connectionTimeout)
static <K> Collection<K>	subtract(Collection<K> a, Collection<K> b)
static <K,V> Map<K,V>	subtract(Map<K,V> a, Collection<K> b)
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 <K> void difference(Collection<K> newNeighbors,
                  Collection<K> alreadyAsked,
                  Collection<K> 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(Digest storage,
                Number160 locationKey,
                Number160 domainKey,
                Collection<Number160> contentKeys)

pollRandom

public static <K> K pollRandom(SortedSet<K> queueToAsk,
               Random rnd)

pollRandomKey

public static <K,V> Map.Entry<K,V> pollRandomKey(Map<K,V> queueToAsk,
                                 Random rnd)

subtract

public static <K> Collection<K> subtract(Collection<K> a,
                         Collection<K> b)

subtract

public static <K,V> Map<K,V> subtract(Map<K,V> a,
                      Collection<K> b)

disjunction

public static <K,V> Map<K,V> disjunction(Map<K,V> a,
                         Collection<K> b)

limit

public static <K> Collection<K> limit(Collection<K> a,
                      int size)

limit

public static <K,V> Map<K,V> limit(Map<K,V> a,
                   int i)

convert

public static Collection<Number160> convert(Collection<TrackerData> a)

debugArray

public static String debugArray(byte[] array,
                int offset,
                int length)

debugArray

public static String debugArray(byte[] array)

checkEntryProtection

public static boolean checkEntryProtection(Map<Number160,Data> dataMap)

addReleaseListener

public static void addReleaseListener(BaseFuture baseFuture,
                      ChannelCreator cc,
                      int nr)

addReleaseListenerAll

public static void addReleaseListenerAll(BaseFuture baseFuture,
                         ChannelCreator cc)

limitRandom

public static Map<Number160,TrackerData> limitRandom(Map<Number160,TrackerData> activePeers,
                                     int trackerSize)