org.gudy.azureus2.core3.util
Class BDecoder

java.lang.Object
  org.gudy.azureus2.core3.util.BDecoder

public class BDecoder
extends Object

A set of utility methods to decode a bencoded array of byte into a Map. integer are represented as Long, String as byte[], dictionnaries as Map, and list as List.

Author:

TdC_VgA

Field Summary

static int

MAX_BYTE_ARRAY_SIZE

Constructor Summary

BDecoder()

Method Summary

static Map<String,Object>	decode(BufferedInputStream is)
static Map<String,Object>	decode(byte[] data)
static Map<String,Object>	decode(byte[] data, int offset, int length)
Map<String,Object>	decodeByteArray(byte[] data)
Map<String,Object>	decodeByteArray(byte[] data, int offset, int length)
Map<String,Object>	decodeByteArray(byte[] data, int offset, int length, boolean internKeys)
Map<String,Object>	decodeByteBuffer(ByteBuffer buffer, boolean internKeys)
static Map	decodeFromJSON(String json)
static List	decodeFromJSONArray(List j_list)
static Map	decodeFromJSONObject(Map<Object,Object> j_map)
Map<String,Object>	decodeStream(BufferedInputStream data)
Map<String,Object>	decodeStream(BufferedInputStream data, boolean internKeys)
static List	decodeStrings(List list) Decodes byte arrays into strings.
static Map	decodeStrings(Map map) Converts any byte[] entries into UTF-8 strings.
static void	main(String[] args)
static long	parseLong(char[] chars, int start, int length)
static void	print(Object obj)
static void	print(PrintWriter writer, Object obj)
void	setRecoveryMode(boolean r)
void	setVerifyMapOrder(boolean b)

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BYTE_ARRAY_SIZE

public static final int MAX_BYTE_ARRAY_SIZE

See Also:

Constant Field Values

Constructor Detail

BDecoder

public BDecoder()

Method Detail

decode

public static Map<String,Object> decode(byte[] data)
                                 throws IOException

Throws:

IOException

decode

public static Map<String,Object> decode(byte[] data,
                                        int offset,
                                        int length)
                                 throws IOException

Throws:

IOException

decode

public static Map<String,Object> decode(BufferedInputStream is)
                                 throws IOException

Throws:

IOException

decodeByteArray

public Map<String,Object> decodeByteArray(byte[] data)
                                   throws IOException

Throws:

IOException

decodeByteArray

public Map<String,Object> decodeByteArray(byte[] data,
                                          int offset,
                                          int length)
                                   throws IOException

Throws:

IOException

decodeByteArray

public Map<String,Object> decodeByteArray(byte[] data,
                                          int offset,
                                          int length,
                                          boolean internKeys)
                                   throws IOException

Throws:

IOException

decodeByteBuffer

public Map<String,Object> decodeByteBuffer(ByteBuffer buffer,
                                           boolean internKeys)
                                    throws IOException

Throws:

IOException

decodeStream

public Map<String,Object> decodeStream(BufferedInputStream data)
                                throws IOException

Throws:

IOException

decodeStream

public Map<String,Object> decodeStream(BufferedInputStream data,
                                       boolean internKeys)
                                throws IOException

Throws:

IOException

parseLong

public static long parseLong(char[] chars,
                             int start,
                             int length)

setVerifyMapOrder

public void setVerifyMapOrder(boolean b)

setRecoveryMode

public void setRecoveryMode(boolean r)

print

public static void print(Object obj)

print

public static void print(PrintWriter writer,
                         Object obj)

decodeStrings

public static Map decodeStrings(Map map)

Converts any byte[] entries into UTF-8 strings. REPLACES EXISTING MAP VALUES

Parameters:

map -

Returns:

decodeStrings

public static List decodeStrings(List list)

Decodes byte arrays into strings. REPLACES EXISTING LIST VALUES

Parameters:

list -

Returns:

the same list passed in

decodeFromJSONArray

public static List decodeFromJSONArray(List j_list)

decodeFromJSONObject

public static Map decodeFromJSONObject(Map<Object,Object> j_map)

decodeFromJSON

public static Map decodeFromJSON(String json)

main

public static void main(String[] args)