Class Signature

java.lang.Object

org.apache.bcel.classfile.Attribute

org.apache.bcel.classfile.Signature

All Implemented Interfaces:

Serializable, Cloneable, Node

public final class Signature
extends Attribute

This class is derived from Attribute and represents a reference to a GJ attribute.

See Also:

• Attribute
• Serialized Form

Field Summary

Fields inherited from class Attribute

constant_pool, length, name_index, tag

Constructor Summary

Constructors

Constructor	Description
Signature(int name_index, int length, int signature_index, ConstantPool constant_pool)
Signature(Signature c)	Initialize from another object.

Method Summary

Modifier and Type	Method	Description
void	accept(Visitor v)	Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class.
Attribute	copy(ConstantPool _constant_pool)
final void	dump(DataOutputStream file)	Dump source file attribute to file stream in binary format.
final String	getSignature()
final int	getSignatureIndex()
static final boolean	isActualParameterList(String s)
static final boolean	isFormalParameterList(String s)
final void	setSignatureIndex(int signature_index)
final String	toString()
static String	translate(String s)

Methods inherited from class Attribute

addAttributeReader, clone, getConstantPool, getLength, getName, getNameIndex, getTag, readAttribute, removeAttributeReader, setConstantPool, setLength, setNameIndex

Methods inherited from class Object

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

Constructor Details

Signature

public Signature(Signature c)

Initialize from another object. Note that both objects use the same references (shallow copy). Use clone() for a physical copy.

Signature

public Signature(int name_index,
 int length,
 int signature_index,
 ConstantPool constant_pool)

Parameters:

name_index - Index in constant pool to CONSTANT_Utf8

length - Content length in bytes

signature_index - Index in constant pool to CONSTANT_Utf8

constant_pool - Array of constants

Method Details

accept

public void accept(Visitor v)

Called by objects that are traversing the nodes of the tree implicitely defined by the contents of a Java class. I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.

Specified by:

accept in interface Node

Specified by:

accept in class Attribute

Parameters:

v - Visitor object

dump

public final void dump(DataOutputStream file)
                throws IOException

Dump source file attribute to file stream in binary format.

Overrides:

dump in class Attribute

Parameters:

file - Output file stream

Throws:

IOException

getSignatureIndex

public final int getSignatureIndex()

Returns:

Index in constant pool of source file name.

setSignatureIndex

public final void setSignatureIndex(int signature_index)

Parameters:

signature_index - the index info the constant pool of this signature

getSignature

public final String getSignature()

Returns:

GJ signature.

translate

public static String translate(String s)

isFormalParameterList

public static final boolean isFormalParameterList(String s)

isActualParameterList

public static final boolean isActualParameterList(String s)

toString

public final String toString()

Overrides:

toString in class Attribute

Returns:

String representation

copy

public Attribute copy(ConstantPool _constant_pool)

Specified by:

copy in class Attribute

Returns:

deep copy of this attribute