org.springframework.asm

Class Handle

java.lang.Object

org.springframework.asm.Handle

public final class Handle
extends java.lang.Object

A reference to a field or a method.

Author:

Remi Forax, Eric Bruneton

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.lang.String	desc The descriptor of the field or method designated by this handle.
(package private) boolean	itf Indicate if the owner is an interface or not.
(package private) java.lang.String	name The name of the field or method designated by this handle.
(package private) java.lang.String	owner The internal name of the class that owns the field or method designated by this handle.
(package private) int	tag The kind of field or method designated by this Handle.

Constructor Summary

Constructors

Constructor and Description
Handle(int tag, java.lang.String owner, java.lang.String name, java.lang.String desc) Deprecated. this constructor has been superseded by Handle(int, String, String, String, boolean).
Handle(int tag, java.lang.String owner, java.lang.String name, java.lang.String desc, boolean itf) Constructs a new field or method handle.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.lang.String	getDesc() Returns the descriptor of the field or method designated by this handle.
java.lang.String	getName() Returns the name of the field or method designated by this handle.
java.lang.String	getOwner() Returns the internal name of the class that owns the field or method designated by this handle.
int	getTag() Returns the kind of field or method designated by this handle.
int	hashCode()
boolean	isInterface() Returns true if the owner of the field or method designated by this handle is an interface.
java.lang.String	toString() Returns the textual representation of this handle.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

tag

final int tag

The kind of field or method designated by this Handle. Should be Opcodes.H_GETFIELD, Opcodes.H_GETSTATIC, Opcodes.H_PUTFIELD, Opcodes.H_PUTSTATIC, Opcodes.H_INVOKEVIRTUAL, Opcodes.H_INVOKESTATIC, Opcodes.H_INVOKESPECIAL, Opcodes.H_NEWINVOKESPECIAL or Opcodes.H_INVOKEINTERFACE.

owner

final java.lang.String owner

The internal name of the class that owns the field or method designated by this handle.

name

final java.lang.String name

The name of the field or method designated by this handle.

desc

final java.lang.String desc

The descriptor of the field or method designated by this handle.

itf

final boolean itf

Indicate if the owner is an interface or not.

Constructor Detail

Handle

@Deprecated
public Handle(int tag,
                          java.lang.String owner,
                          java.lang.String name,
                          java.lang.String desc)

Deprecated. this constructor has been superseded by Handle(int, String, String, String, boolean).

Constructs a new field or method handle.

Parameters:

tag - the kind of field or method designated by this Handle. Must be Opcodes.H_GETFIELD, Opcodes.H_GETSTATIC, Opcodes.H_PUTFIELD, Opcodes.H_PUTSTATIC, Opcodes.H_INVOKEVIRTUAL, Opcodes.H_INVOKESTATIC, Opcodes.H_INVOKESPECIAL, Opcodes.H_NEWINVOKESPECIAL or Opcodes.H_INVOKEINTERFACE.

owner - the internal name of the class that owns the field or method designated by this handle.

name - the name of the field or method designated by this handle.

desc - the descriptor of the field or method designated by this handle.

Handle

public Handle(int tag,
              java.lang.String owner,
              java.lang.String name,
              java.lang.String desc,
              boolean itf)

Constructs a new field or method handle.

Parameters:

tag - the kind of field or method designated by this Handle. Must be Opcodes.H_GETFIELD, Opcodes.H_GETSTATIC, Opcodes.H_PUTFIELD, Opcodes.H_PUTSTATIC, Opcodes.H_INVOKEVIRTUAL, Opcodes.H_INVOKESTATIC, Opcodes.H_INVOKESPECIAL, Opcodes.H_NEWINVOKESPECIAL or Opcodes.H_INVOKEINTERFACE.

owner - the internal name of the class that owns the field or method designated by this handle.

name - the name of the field or method designated by this handle.

desc - the descriptor of the field or method designated by this handle.

itf - true if the owner is an interface.

Method Detail

getTag

public int getTag()

Returns the kind of field or method designated by this handle.

Returns:

Opcodes.H_GETFIELD, Opcodes.H_GETSTATIC, Opcodes.H_PUTFIELD, Opcodes.H_PUTSTATIC, Opcodes.H_INVOKEVIRTUAL, Opcodes.H_INVOKESTATIC, Opcodes.H_INVOKESPECIAL, Opcodes.H_NEWINVOKESPECIAL or Opcodes.H_INVOKEINTERFACE.

getOwner

public java.lang.String getOwner()

Returns the internal name of the class that owns the field or method designated by this handle.

Returns:

the internal name of the class that owns the field or method designated by this handle.

getName

public java.lang.String getName()

Returns the name of the field or method designated by this handle.

Returns:

the name of the field or method designated by this handle.

getDesc

public java.lang.String getDesc()

Returns the descriptor of the field or method designated by this handle.

Returns:

the descriptor of the field or method designated by this handle.

isInterface

public boolean isInterface()

Returns true if the owner of the field or method designated by this handle is an interface.

Returns:

true if the owner of the field or method designated by this handle is an interface.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Returns the textual representation of this handle. The textual representation is:

 for a reference to a class:
 owner '.' name desc ' ' '(' tag ')'
 for a reference to an interface:
 owner '.' name desc ' ' '(' tag ' ' itf ')'
 

. As this format is unambiguous, it can be parsed if necessary.

Overrides:

toString in class java.lang.Object