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, ParameterAnnotationsAttribute, SignatureAttribute, SourceFileAttribute, StackMap, StackMapTable, SyntheticAttribute, TypeAnnotationsAttribute

public class AttributeInfo
extends java.lang.Object

attribute_info structure.

See Also:

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

Field Summary

Fields

Modifier and Type	Field	Description
protected ConstPool	constPool
(package private) byte[]	info
(package private) int	name

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AttributeInfo(ConstPool cp, int attrname, byte[] attrinfo)
protected	AttributeInfo(ConstPool cp, int n, java.io.DataInputStream in)
protected	AttributeInfo(ConstPool cp, java.lang.String attrname)
	AttributeInfo(ConstPool cp, java.lang.String attrname, byte[] attrinfo)	Constructs an attribute_info structure.

Method Summary

Modifier and Type	Method	Description
AttributeInfo	copy(ConstPool newCp, java.util.Map classnames)	Makes a copy.
(package private) static java.util.ArrayList	copyAll(java.util.ArrayList list, ConstPool cp)
byte[]	get()	Returns the info field of this attribute_info structure.
ConstPool	getConstPool()	Returns a constant pool table.
(package private) static int	getLength(java.util.ArrayList list)
java.lang.String	getName()	Returns an attribute name.
(package private) static void	getRefClasses(java.util.List attributes, java.util.Map classnames)
(package private) void	getRefClasses(java.util.Map classnames)
int	length()	Returns the length of this attribute_info structure.
(package private) static AttributeInfo	lookup(java.util.ArrayList list, java.lang.String name)
(package private) static AttributeInfo	read(ConstPool cp, java.io.DataInputStream in)
(package private) static AttributeInfo	remove(java.util.ArrayList list, java.lang.String name)
(package private) void	renameClass(java.lang.String oldname, java.lang.String newname)
(package private) static void	renameClass(java.util.List attributes, java.lang.String oldname, java.lang.String newname)
(package private) static void	renameClass(java.util.List attributes, java.util.Map classnames)
(package private) void	renameClass(java.util.Map classnames)
void	set(byte[] newinfo)	Sets the info field of this attribute_info structure.
(package private) void	write(java.io.DataOutputStream out)
(package private) static void	writeAll(java.util.ArrayList list, java.io.DataOutputStream out)

Methods inherited from class java.lang.Object

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

Field Detail

constPool

protected ConstPool constPool

name

int name

info

byte[] info

Constructor Detail

AttributeInfo

protected AttributeInfo(ConstPool cp,
                        int attrname,
                        byte[] attrinfo)

AttributeInfo

protected AttributeInfo(ConstPool cp,
                        java.lang.String attrname)

AttributeInfo

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

Constructs an attribute_info structure.

Parameters:

cp - constant pool table

attrname - attribute name

attrinfo - info field of attribute_info structure.

AttributeInfo

protected AttributeInfo(ConstPool cp,
                        int n,
                        java.io.DataInputStream in)
                 throws java.io.IOException

Throws:

java.io.IOException

Method Detail

read

static AttributeInfo read(ConstPool cp,
                          java.io.DataInputStream in)
                   throws java.io.IOException

Throws:

java.io.IOException

getName

public java.lang.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,
                          java.util.Map 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.

write

void write(java.io.DataOutputStream out)
    throws java.io.IOException

Throws:

java.io.IOException

getLength

static int getLength(java.util.ArrayList list)

lookup

static AttributeInfo lookup(java.util.ArrayList list,
                            java.lang.String name)

remove

static AttributeInfo remove(java.util.ArrayList list,
                            java.lang.String name)

writeAll

static void writeAll(java.util.ArrayList list,
                     java.io.DataOutputStream out)
              throws java.io.IOException

Throws:

java.io.IOException

copyAll

static java.util.ArrayList copyAll(java.util.ArrayList list,
                                   ConstPool cp)

renameClass

void renameClass(java.lang.String oldname,
                 java.lang.String newname)

renameClass

void renameClass(java.util.Map classnames)

renameClass

static void renameClass(java.util.List attributes,
                        java.lang.String oldname,
                        java.lang.String newname)

renameClass

static void renameClass(java.util.List attributes,
                        java.util.Map classnames)

getRefClasses

void getRefClasses(java.util.Map classnames)

getRefClasses

static void getRefClasses(java.util.List attributes,
                          java.util.Map classnames)