Package javassist.bytecode

Class AttributeInfo

java.lang.Object

javassist.bytecode.AttributeInfo

Direct Known Subclasses:

AnnotationDefaultAttribute, AnnotationsAttribute, BootstrapMethodsAttribute, CodeAttribute, ConstantAttribute, DeprecatedAttribute, EnclosingMethodAttribute, ExceptionsAttribute, InnerClassesAttribute, LineNumberAttribute, LocalVariableAttribute, MethodParametersAttribute, NestHostAttribute, NestMembersAttribute, ParameterAnnotationsAttribute, SignatureAttribute, SourceFileAttribute, StackMap, StackMapTable, SyntheticAttribute, TypeAnnotationsAttribute

public class AttributeInfo
extends Object

attribute_info structure.

See Also:

• ClassFile.getAttribute(String)
• MethodInfo.getAttribute(String)
• FieldInfo.getAttribute(String)

Constructor Summary

Constructors

Constructor	Description
AttributeInfo(ConstPool cp, String attrname, byte[] attrinfo)	Constructs an attribute_info structure.

Method Summary

Modifier and Type	Method	Description
AttributeInfo	copy(ConstPool newCp, Map<String,String> classnames)	Makes a copy.
byte[]	get()	Returns the info field of this attribute_info structure.
ConstPool	getConstPool()	Returns a constant pool table.
String	getName()	Returns an attribute name.
int	length()	Returns the length of this attribute_info structure.
void	set(byte[] newinfo)	Sets the info field of this attribute_info structure.

Methods inherited from class java.lang.Object

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

Constructor Details

AttributeInfo

public AttributeInfo(ConstPool cp,
 String attrname,
 byte[] attrinfo)

Constructs an attribute_info structure.

Parameters:

cp - constant pool table

attrname - attribute name

attrinfo - info field of attribute_info structure.

Method Details

getName

public String getName()

Returns an attribute name.

getConstPool

public ConstPool getConstPool()

Returns a constant pool table.

length

public int length()

Returns the length of this attribute_info structure. The returned value is attribute_length + 6.

get

public byte[] get()

Returns the info field of this attribute_info structure.

This method is not available if the object is an instance of CodeAttribute.

set

public void set(byte[] newinfo)

Sets the info field of this attribute_info structure.

This method is not available if the object is an instance of CodeAttribute.

copy

public AttributeInfo copy(ConstPool newCp,
 Map<String,String> classnames)

Makes a copy. Class names are replaced according to the given Map object.

Parameters:

newCp - the constant pool table used by the new copy.

classnames - pairs of replaced and substituted class names.