net.sf.jiapi.file.attribute

Class Attribute

java.lang.Object

net.sf.jiapi.file.attribute.Attribute

Direct Known Subclasses:

AnnotationBase, BootstrapMethods, Code, ConstantValue, Deprecated, EnclosingMethod, Exceptions, InnerClasses, LineNumberTable, LocalVariableTable, LocalVariableTypeTable, MethodParameters, Signature, SourceDebugExtension, SourceFile, StackMapTable, Synthetic

public class Attribute
extends Object

Base class of for attributes in class file. This class holds bytes of the attribute. Complex attributes, like Code attribute will override getBytes() method to support classfile manipulation.

Author:

Mika Riekkinen

Field Summary

Fields

Modifier and Type	Field and Description
protected static Configuration	config
protected ConstantPool	cp

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Attribute(short nameIndex)
protected	Attribute(short nameIndex, int length, DataInputStream dis)

Method Summary

Modifier and Type	Method and Description
short	getAttributeNameIndex()
byte[]	getBytes() Get the bytes of this attribute.
protected DataInputStream	getDataInputStream() Gets a DatainputStream that reads internal byte[]
String	getName() Get the name of this Attribute
static Attribute	readAttribute(ConstantPool constantPool, DataInputStream dis) Factory method for creating Attributes from given DataInputStream.
protected void	setConstantPool(ConstantPool cp)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

cp

protected ConstantPool cp

config

protected static transient Configuration config

Constructor Detail

Attribute

protected Attribute(short nameIndex)

Attribute

protected Attribute(short nameIndex,
                    int length,
                    DataInputStream dis)
             throws IOException

Throws:

IOException

Method Detail

getBytes

public byte[] getBytes()

Get the bytes of this attribute.

Returns:

bytes representing this Attribute.

getName

public String getName()

Get the name of this Attribute

Returns:

name of this attribute

getAttributeNameIndex

public short getAttributeNameIndex()

setConstantPool

protected void setConstantPool(ConstantPool cp)

getDataInputStream

protected DataInputStream getDataInputStream()

Gets a DatainputStream that reads internal byte[]

Returns:

DataInputStream

readAttribute

public static Attribute readAttribute(ConstantPool constantPool,
                                      DataInputStream dis)
                               throws IOException

Factory method for creating Attributes from given DataInputStream.

Parameters:

constantPool - ConstantPool

dis - DataInputStream

Returns:

Attribute

Throws:

IOException - on error

toString

public String toString()

Overrides:

toString in class Object