Package org.apache.bcel.classfile

Class BootstrapMethod

java.lang.Object

org.apache.bcel.classfile.BootstrapMethod

All Implemented Interfaces:

java.lang.Cloneable

public class BootstrapMethod
extends java.lang.Object
implements java.lang.Cloneable

This class represents a bootstrap method attribute, that is, the bootstrap method ref, the number of bootstrap arguments and an array of the bootstrap arguments.

Since:

6.0

See Also:

The class File Format : The BootstrapMethods Attribute

Field Summary

Fields

Modifier and Type	Field	Description
private int[]	bootstrapArguments	Array of references to the constant_pool table
private int	bootstrapMethodRef	Index of the CONSTANT_MethodHandle_info structure in the constant_pool table
(package private) static BootstrapMethod[]	EMPTY_ARRAY

Constructor Summary

Constructors

Modifier	Constructor	Description
private	BootstrapMethod(int bootstrapMethodRef, int numBootstrapArguments)
	BootstrapMethod(int bootstrapMethodRef, int[] bootstrapArguments)	Constructs a BootstrapMethod.
(package private)	BootstrapMethod(java.io.DataInput input)	Constructs object from input stream.
	BootstrapMethod(BootstrapMethod c)	Initialize from another object.

Method Summary

Modifier and Type	Method	Description
BootstrapMethod	copy()	Creates a deep copy of this object.
void	dump(java.io.DataOutputStream file)	Dumps object to file stream in binary format.
int[]	getBootstrapArguments()	Gets the bootstrap arguments.
int	getBootstrapMethodRef()	Gets the bootstrap method reference.
int	getNumBootstrapArguments()	Gets the count of number of bootstrap arguments.
void	setBootstrapArguments(int[] bootstrapArguments)	Sets the bootstrap arguments.
void	setBootstrapMethodRef(int bootstrapMethodRef)	Sets the bootstrap method reference.
java.lang.String	toString()	Gets a string representation.
java.lang.String	toString(ConstantPool constantPool)	Gets a resolved string representation.

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_ARRAY

static final BootstrapMethod[] EMPTY_ARRAY

bootstrapMethodRef

private int bootstrapMethodRef

Index of the CONSTANT_MethodHandle_info structure in the constant_pool table

bootstrapArguments

private int[] bootstrapArguments

Array of references to the constant_pool table

Constructor Detail

BootstrapMethod

public BootstrapMethod(BootstrapMethod c)

Initialize from another object.

Parameters:

c - Source to copy.

BootstrapMethod

BootstrapMethod(java.io.DataInput input)
         throws java.io.IOException

Constructs object from input stream.

Parameters:

input - Input stream.

Throws:

java.io.IOException - if an I/O error occurs.

BootstrapMethod

private BootstrapMethod(int bootstrapMethodRef,
                        int numBootstrapArguments)

BootstrapMethod

public BootstrapMethod(int bootstrapMethodRef,
                       int[] bootstrapArguments)

Constructs a BootstrapMethod.

Parameters:

bootstrapMethodRef - int index into constant_pool of CONSTANT_MethodHandle.

bootstrapArguments - int[] indices into constant_pool of CONSTANT_[type]_info.

Method Detail

copy

public BootstrapMethod copy()

Creates a deep copy of this object.

Returns:

deep copy of this object.

dump

public final void dump(java.io.DataOutputStream file)
                throws java.io.IOException

Dumps object to file stream in binary format.

Parameters:

file - Output file stream.

Throws:

java.io.IOException - if an I/O error occurs.

getBootstrapArguments

public int[] getBootstrapArguments()

Gets the bootstrap arguments.

Returns:

int[] of bootstrap_method indices into constant_pool of CONSTANT_[type]_info.

getBootstrapMethodRef

public int getBootstrapMethodRef()

Gets the bootstrap method reference.

Returns:

index into constant_pool of bootstrap_method.

getNumBootstrapArguments

public int getNumBootstrapArguments()

Gets the count of number of bootstrap arguments.

Returns:

count of number of bootstrap arguments.

setBootstrapArguments

public void setBootstrapArguments(int[] bootstrapArguments)

Sets the bootstrap arguments.

Parameters:

bootstrapArguments - int[] indices into constant_pool of CONSTANT_[type]_info.

setBootstrapMethodRef

public void setBootstrapMethodRef(int bootstrapMethodRef)

Sets the bootstrap method reference.

Parameters:

bootstrapMethodRef - int index into constant_pool of CONSTANT_MethodHandle.

toString

public final java.lang.String toString()

Gets a string representation.

Overrides:

toString in class java.lang.Object

Returns:

String representation.

toString

public final java.lang.String toString(ConstantPool constantPool)

Gets a resolved string representation.

Parameters:

constantPool - the constant pool.

Returns:

Resolved string representation.