im.actor.api.util

Class StreamingUtils

java.lang.Object

im.actor.api.util.StreamingUtils

public class StreamingUtils
extends java.lang.Object

Helper class for writing and reading data for tl (de-)serialization.

Constructor Summary

Constructors

Constructor and Description
StreamingUtils()

Method Summary

Modifier and Type	Method and Description
static byte[]	intToBytes(int v)
static byte	readByte(java.io.InputStream stream) Reading single byte from stream
static void	readBytes(byte[] buffer, int offset, int count, java.io.InputStream stream) Reading bytes from stream
static byte[]	readBytes(int count, java.io.InputStream stream) Reading bytes from stream
static byte[]	readBytes(int count, java.io.RandomAccessFile file) Reading bytes from RandomAccessFile
static double	readDouble(java.io.InputStream stream) Reading double from stream
static int	readInt(byte[] src) Reading int from bytes array
static int	readInt(byte[] src, int offset) Reading int from bytes array
static int	readInt(java.io.InputStream stream) Reading int from stream
static long	readLong(byte[] src, int offset) Reading long value from bytes array
static long	readLong(java.io.InputStream stream) Reading long from stream
static boolean	readProtoBool(java.io.InputStream stream)
static byte[]	readProtoBytes(java.io.InputStream stream)
static long[]	readProtoLongs(java.io.InputStream stream)
static java.lang.String	readProtoString(java.io.InputStream stream)
static long	readUInt(byte[] src) Reading uint from bytes array
static long	readUInt(byte[] src, int offset) Reading uint from bytes array
static long	readUInt(java.io.InputStream stream) Reading uint from stream
static long	readVarInt(java.io.InputStream stream) Reading protobuf-like varint
static void	skipBytes(int count, java.io.InputStream stream) Reading bytes from stream
static int	stringSize(java.lang.String s)
static int	varintSize(long value) Calculating varint serialization size
static void	writeByte(byte v, java.io.OutputStream stream) Writing byte to stream
static void	writeByte(int v, java.io.OutputStream stream) Writing byte to stream
static void	writeBytes(byte[] data, int offset, int len, java.io.OutputStream stream) Writing byte array to stream
static void	writeBytes(byte[] data, java.io.OutputStream stream) Writing byte array to stream
static void	writeDouble(double v, java.io.OutputStream stream) Writing double to stream
static void	writeInt(int v, java.io.OutputStream stream) Writing int to stream
static void	writeLong(long v, java.io.OutputStream stream) Writing long to stream
static void	writeProtoBool(boolean v, java.io.OutputStream stream)
static void	writeProtoBytes(byte[] data, java.io.OutputStream stream)
static void	writeProtoLongs(long[] values, java.io.OutputStream stream)
static void	writeProtoString(java.lang.String value, java.io.OutputStream stream)
static void	writeVarInt(long i, java.io.OutputStream stream) Writing protobuf-like varint

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamingUtils

public StreamingUtils()

Method Detail

intToBytes

public static byte[] intToBytes(int v)

writeByte

public static void writeByte(int v,
                             java.io.OutputStream stream)
                      throws java.io.IOException

Writing byte to stream

Parameters:

v - value

stream - destination stream

Throws:

java.io.IOException

writeByte

public static void writeByte(byte v,
                             java.io.OutputStream stream)
                      throws java.io.IOException

Writing byte to stream

Parameters:

v - value

stream - destination stream

Throws:

java.io.IOException

writeInt

public static void writeInt(int v,
                            java.io.OutputStream stream)
                     throws java.io.IOException

Writing int to stream

Parameters:

v - value

stream - destination stream

Throws:

java.io.IOException

writeLong

public static void writeLong(long v,
                             java.io.OutputStream stream)
                      throws java.io.IOException

Writing long to stream

Parameters:

v - value

stream - destination stream

Throws:

java.io.IOException

writeDouble

public static void writeDouble(double v,
                               java.io.OutputStream stream)
                        throws java.io.IOException

Writing double to stream

Parameters:

v - value

stream - destination stream

Throws:

java.io.IOException

writeBytes

public static void writeBytes(byte[] data,
                              java.io.OutputStream stream)
                       throws java.io.IOException

Writing byte array to stream

Parameters:

data - data

stream - destination stream

Throws:

java.io.IOException

writeBytes

public static void writeBytes(byte[] data,
                              int offset,
                              int len,
                              java.io.OutputStream stream)
                       throws java.io.IOException

Writing byte array to stream

Parameters:

data - data

stream - destination stream

Throws:

java.io.IOException

readInt

public static int readInt(java.io.InputStream stream)
                   throws java.io.IOException

Reading int from stream

Parameters:

stream - source stream

Returns:

value

Throws:

java.io.IOException - reading exception

readUInt

public static long readUInt(java.io.InputStream stream)
                     throws java.io.IOException

Reading uint from stream

Parameters:

stream - source stream

Returns:

value

Throws:

java.io.IOException - reading exception

readLong

public static long readLong(java.io.InputStream stream)
                     throws java.io.IOException

Reading long from stream

Parameters:

stream - source stream

Returns:

value

Throws:

java.io.IOException - reading exception

readDouble

public static double readDouble(java.io.InputStream stream)
                         throws java.io.IOException

Reading double from stream

Parameters:

stream - source stream

Returns:

value

Throws:

java.io.IOException - reading exception

readBytes

public static byte[] readBytes(int count,
                               java.io.InputStream stream)
                        throws java.io.IOException

Reading bytes from stream

Parameters:

count - bytes count

stream - source stream

Returns:

readed bytes

Throws:

java.io.IOException - reading exception

readBytes

public static byte[] readBytes(int count,
                               java.io.RandomAccessFile file)
                        throws java.io.IOException

Reading bytes from RandomAccessFile

Parameters:

count - bytes count

file - source file

Returns:

readed bytes

Throws:

java.io.IOException - reading exception

skipBytes

public static void skipBytes(int count,
                             java.io.InputStream stream)
                      throws java.io.IOException

Reading bytes from stream

Parameters:

count - bytes count

stream - source stream

Throws:

java.io.IOException - reading exception

readBytes

public static void readBytes(byte[] buffer,
                             int offset,
                             int count,
                             java.io.InputStream stream)
                      throws java.io.IOException

Reading bytes from stream

Parameters:

count - bytes count

stream - source stream

Throws:

java.io.IOException - reading exception

readByte

public static byte readByte(java.io.InputStream stream)
                     throws java.io.IOException

Reading single byte from stream

Parameters:

stream - source stream

Returns:

read byte

Throws:

java.io.IOException

readInt

public static int readInt(byte[] src)

Reading int from bytes array

Parameters:

src - source bytes

Returns:

int value

readInt

public static int readInt(byte[] src,
                          int offset)

Reading int from bytes array

Parameters:

src - source bytes

offset - offset in array

Returns:

int value

readUInt

public static long readUInt(byte[] src)

Reading uint from bytes array

Parameters:

src - source bytes

Returns:

uint value

readUInt

public static long readUInt(byte[] src,
                            int offset)

Reading uint from bytes array

Parameters:

src - source bytes

offset - offset in array

Returns:

uint value

readLong

public static long readLong(byte[] src,
                            int offset)

Reading long value from bytes array

Parameters:

src - source bytes

offset - offset in array

Returns:

long value

readVarInt

public static long readVarInt(java.io.InputStream stream)
                       throws java.io.IOException

Reading protobuf-like varint

Parameters:

stream - source stream

Returns:

varint

Throws:

java.io.IOException

writeVarInt

public static void writeVarInt(long i,
                               java.io.OutputStream stream)
                        throws java.io.IOException

Writing protobuf-like varint

Parameters:

i - value

stream - destination stream

Throws:

java.io.IOException

varintSize

public static int varintSize(long value)

Calculating varint serialization size

Parameters:

value - varint

Returns:

size in bytes

stringSize

public static int stringSize(java.lang.String s)

readProtoBytes

public static byte[] readProtoBytes(java.io.InputStream stream)
                             throws java.io.IOException

Throws:

java.io.IOException

writeProtoBytes

public static void writeProtoBytes(byte[] data,
                                   java.io.OutputStream stream)
                            throws java.io.IOException

Throws:

java.io.IOException

readProtoLongs

public static long[] readProtoLongs(java.io.InputStream stream)
                             throws java.io.IOException

Throws:

java.io.IOException

writeProtoLongs

public static void writeProtoLongs(long[] values,
                                   java.io.OutputStream stream)
                            throws java.io.IOException

Throws:

java.io.IOException

readProtoString

public static java.lang.String readProtoString(java.io.InputStream stream)
                                        throws java.io.IOException

Throws:

java.io.IOException

writeProtoString

public static void writeProtoString(java.lang.String value,
                                    java.io.OutputStream stream)
                             throws java.io.IOException

Throws:

java.io.IOException

readProtoBool

public static boolean readProtoBool(java.io.InputStream stream)
                             throws java.io.IOException

Throws:

java.io.IOException

writeProtoBool

public static void writeProtoBool(boolean v,
                                  java.io.OutputStream stream)
                           throws java.io.IOException

Throws:

java.io.IOException