jadex.commons.transformation.binaryserializer

Class DataInputDecodingContext

java.lang.Object

jadex.commons.transformation.binaryserializer.AbstractDecodingContext

jadex.commons.transformation.binaryserializer.DataInputDecodingContext

All Implemented Interfaces:

IDecodingContext

public class DataInputDecodingContext
extends AbstractDecodingContext

Context for decoding a binary-encoded object.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.List<java.lang.String>	classnamepool The class name pool.
protected java.io.DataInput	di The stream being decoded.
protected int	offset Current offset marker
protected java.util.List<java.lang.String>	pkgpool The package fragment pool.
protected java.util.List<java.lang.String>	stringpool The String pool.

Fields inherited from class jadex.commons.transformation.binaryserializer.AbstractDecodingContext

classloader, currentclassname, decoderhandlers, errorreporter, knownobjects, lastobject, postprocessors, usercontext

Constructor Summary

Constructors

Constructor and Description
DataInputDecodingContext(java.io.DataInput di, java.util.List<IDecoderHandler> decoderhandlers, java.util.List<IDecoderHandler> postprocessors, java.lang.Object usercontext, java.lang.ClassLoader classloader, IErrorReporter errorreporter) Creates a new DecodingContext.
DataInputDecodingContext(java.io.DataInput di, java.util.List<IDecoderHandler> decoderhandlers, java.util.List<IDecoderHandler> postprocessors, java.lang.Object usercontext, java.lang.ClassLoader classloader, IErrorReporter errorreporter, int offset) Creates a new DecodingContext with specific offset.

Method Summary

Modifier and Type	Method and Description
int	getCurrentOffset() Returns the current offset of the decoding process for debugging.
byte[]	read(byte[] array) Reads a number of bytes from the buffer and fills the array.
byte[]	read(int count) Reads a number of bytes from the buffer.
boolean	readBoolean() Reads a boolean value from the buffer.
byte	readByte() Reads a byte from the buffer.
java.lang.String	readClassname() Helper method for decoding a class name.
long	readSignedVarInt() Helper method for decoding a signed variable-sized integer (VarInt).
java.lang.String	readString() Helper method for decoding a string.
long	readVarInt() Helper method for decoding a variable-sized integer (VarInt).

Methods inherited from class jadex.commons.transformation.binaryserializer.AbstractDecodingContext

getClassloader, getCurrentClassName, getDecoderHandlers, getErrorReporter, getKnownObjects, getLastObject, getPostProcessors, getUserContext, setCurrentClassName, setLastObject

Methods inherited from class java.lang.Object

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

Field Detail

di

protected java.io.DataInput di

The stream being decoded.

stringpool

protected java.util.List<java.lang.String> stringpool

The String pool.

classnamepool

protected java.util.List<java.lang.String> classnamepool

The class name pool.

pkgpool

protected java.util.List<java.lang.String> pkgpool

The package fragment pool.

offset

protected int offset

Current offset marker

Constructor Detail

DataInputDecodingContext

public DataInputDecodingContext(java.io.DataInput di,
                                java.util.List<IDecoderHandler> decoderhandlers,
                                java.util.List<IDecoderHandler> postprocessors,
                                java.lang.Object usercontext,
                                java.lang.ClassLoader classloader,
                                IErrorReporter errorreporter)

Creates a new DecodingContext.

Parameters:

classloader - The classloader.

content - The content being decoded.

DataInputDecodingContext

public DataInputDecodingContext(java.io.DataInput di,
                                java.util.List<IDecoderHandler> decoderhandlers,
                                java.util.List<IDecoderHandler> postprocessors,
                                java.lang.Object usercontext,
                                java.lang.ClassLoader classloader,
                                IErrorReporter errorreporter,
                                int offset)

Creates a new DecodingContext with specific offset.

Parameters:

content - The content being decoded.

offset - The offset.

Method Detail

readByte

public byte readByte()

Reads a byte from the buffer.

Returns:

A byte.

read

public byte[] read(int count)

Reads a number of bytes from the buffer.

Parameters:

count - Number of bytes.

Returns:

Byte array with the bytes.

read

public byte[] read(byte[] array)

Reads a number of bytes from the buffer and fills the array.

Parameters:

array - The byte array.

Returns:

The byte array for convenience.

readBoolean

public boolean readBoolean()

Reads a boolean value from the buffer.

Returns:

Boolean value.

readClassname

public java.lang.String readClassname()

Helper method for decoding a class name.

Returns:

String encoded at the current position.

readString

public java.lang.String readString()

Helper method for decoding a string.

Returns:

String encoded at the current position.

readVarInt

public long readVarInt()

Helper method for decoding a variable-sized integer (VarInt).

Returns:

The decoded value.

readSignedVarInt

public long readSignedVarInt()

Helper method for decoding a signed variable-sized integer (VarInt).

Returns:

The decoded value.

getCurrentOffset

public int getCurrentOffset()

Returns the current offset of the decoding process for debugging.

Returns:

Current offset.