jef.dna.constantInfo.impl
Class ConstantInfoFactory

java.lang.Object
  jef.dna.constantInfo.impl.ConstantInfoFactory

All Implemented Interfaces:

ConstInfoFactory

public class ConstantInfoFactory
extends java.lang.Object
implements ConstInfoFactory

Class used for instantiating ConstantInfo objects.

Author:

frusso

Field Summary

static int	CONSTANT_Class
static int	CONSTANT_Double
static int	CONSTANT_Fieldref
static int	CONSTANT_Float
static int	CONSTANT_Integer
static int	CONSTANT_InterfaceMethodref
static int	CONSTANT_Long
static int	CONSTANT_Methodref
static int	CONSTANT_NameAndType
static int	CONSTANT_String
static int	CONSTANT_Unusable_Entry
static int	CONSTANT_Utf8

Constructor Summary

ConstantInfoFactory()

Method Summary

ConstantInfo	getInstance(java.io.DataInputStream dis) This method returns a velid constantInfo instance iff the provided input stream contains at the current position a legal constantInfo identifier (or tag), followed by all the necessary information as defined by the Java VM Specification chapter 4.
ConstantInfo	getInstance(java.io.DataInputStream dis, Dna dna) This method returns a velid constantInfo instance iff the provided input stream contains at the current position a legal constantInfo identifier (or tag), followed by all the necessary information as defined by the Java VM Specification chapter 4.
ConstantInfo	getInstance(int tag) This method returns ConstantInfo compliant objects.
ConstantInfo	getInstance(int tag, java.io.DataInputStream dis) This method returns ConstantInfo compliant objects.

Methods inherited from class java.lang.Object

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

Field Detail

CONSTANT_Class

public static final int CONSTANT_Class

See Also:

Constant Field Values

CONSTANT_Fieldref

public static final int CONSTANT_Fieldref

See Also:

Constant Field Values

CONSTANT_Methodref

public static final int CONSTANT_Methodref

See Also:

Constant Field Values

CONSTANT_InterfaceMethodref

public static final int CONSTANT_InterfaceMethodref

See Also:

Constant Field Values

CONSTANT_String

public static final int CONSTANT_String

See Also:

Constant Field Values

CONSTANT_Integer

public static final int CONSTANT_Integer

See Also:

Constant Field Values

CONSTANT_Float

public static final int CONSTANT_Float

See Also:

Constant Field Values

CONSTANT_Long

public static final int CONSTANT_Long

See Also:

Constant Field Values

CONSTANT_Double

public static final int CONSTANT_Double

See Also:

Constant Field Values

CONSTANT_NameAndType

public static final int CONSTANT_NameAndType

See Also:

Constant Field Values

CONSTANT_Utf8

public static final int CONSTANT_Utf8

See Also:

Constant Field Values

CONSTANT_Unusable_Entry

public static final int CONSTANT_Unusable_Entry

See Also:

Constant Field Values

Constructor Detail

ConstantInfoFactory

public ConstantInfoFactory()

Method Detail

getInstance

public ConstantInfo getInstance(int tag,
                                java.io.DataInputStream dis)
                         throws DnaDeserializationException,
                                UnknownConstantPoolTableEntryException

This method returns ConstantInfo compliant objects.

Specified by:

getInstance in interface ConstInfoFactory

Parameters:

tag - The tag defining the type of the required ConstantInfo object

dis - The DataInputStream the ConstantInfo has to be read from

Throws:

DnaDeserializationException

UnknownConstantPoolTableEntryException

getInstance

public ConstantInfo getInstance(int tag)
                         throws DnaDeserializationException,
                                UnknownConstantPoolTableEntryException

This method returns ConstantInfo compliant objects.

Specified by:

getInstance in interface ConstInfoFactory

Parameters:

tag - The tag defining the type of the required ConstantInfo object

Throws:

DnaDeserializationException

UnknownConstantPoolTableEntryException

getInstance

public ConstantInfo getInstance(java.io.DataInputStream dis)
                         throws DnaDeserializationException,
                                UnknownConstantPoolTableEntryException

Description copied from interface: ConstInfoFactory

This method returns a velid constantInfo instance iff the provided input stream contains at the current position a legal constantInfo identifier (or tag), followed by all the necessary information as defined by the Java VM Specification chapter 4.

Specified by:

getInstance in interface ConstInfoFactory

Parameters:

dis - The input stream opened over the Java class file

Returns:

ConstantInfo a valid constantInfo instance

Throws:

DnaDeserializationException

UnknownConstantPoolTableEntryException

getInstance

public ConstantInfo getInstance(java.io.DataInputStream dis,
                                Dna dna)
                         throws DnaDeserializationException,
                                UnknownConstantPoolTableEntryException

Description copied from interface: ConstInfoFactory

This method returns a velid constantInfo instance iff the provided input stream contains at the current position a legal constantInfo identifier (or tag), followed by all the necessary information as defined by the Java VM Specification chapter 4.

Specified by:

getInstance in interface ConstInfoFactory

Parameters:

dis - The input stream opened over the Java class file

dna - The current Dna instance the generated ConstantInfo will belong to

Returns:

ConstantInfo a valid constantInfo instance

Throws:

DnaDeserializationException

UnknownConstantPoolTableEntryException