Class ConstantCPInfo

java.lang.Object

org.apache.tools.ant.taskdefs.optional.depend.constantpool.ConstantPoolEntry

org.apache.tools.ant.taskdefs.optional.depend.constantpool.ConstantCPInfo

Direct Known Subclasses:

DoubleCPInfo, DynamicCPInfo, FloatCPInfo, IntegerCPInfo, InvokeDynamicCPInfo, LongCPInfo, MethodTypeCPInfo, ModuleCPInfo, PackageCPInfo, StringCPInfo

public abstract class ConstantCPInfo
extends ConstantPoolEntry

A Constant Pool entry which represents a constant value.

Field Summary

Fields inherited from class ConstantPoolEntry

CONSTANT_CLASS, CONSTANT_DOUBLE, CONSTANT_DYNAMIC, CONSTANT_FIELDREF, CONSTANT_FLOAT, CONSTANT_INTEGER, CONSTANT_INTERFACEMETHODREF, CONSTANT_INVOKEDYNAMIC, CONSTANT_LONG, CONSTANT_METHODHANDLE, CONSTANT_METHODREF, CONSTANT_METHODTYPE, CONSTANT_MODULEINFO, CONSTANT_NAMEANDTYPE, CONSTANT_PACKAGEINFO, CONSTANT_STRING, CONSTANT_UTF8

Modifier and Type	Field	Description
static final int	CONSTANT_CLASS	Tag value for Class entries.
static final int	CONSTANT_DOUBLE	Tag value for Double entries.
static final int	CONSTANT_DYNAMIC	Tag value for Dynamic entries
static final int	CONSTANT_FIELDREF	Tag value for Field Reference entries.
static final int	CONSTANT_FLOAT	Tag value for Float entries.
static final int	CONSTANT_INTEGER	Tag value for Integer entries.
static final int	CONSTANT_INTERFACEMETHODREF	Tag value for Interface Method Reference entries.
static final int	CONSTANT_INVOKEDYNAMIC	Tag value for InvokeDynamic entries
static final int	CONSTANT_LONG	Tag value for Long entries.
static final int	CONSTANT_METHODHANDLE	Tag value for Method Handle entries
static final int	CONSTANT_METHODREF	Tag value for Method Reference entries.
static final int	CONSTANT_METHODTYPE	Tag value for Method Type entries
static final int	CONSTANT_MODULEINFO	Tag value for CONSTANT_Module_info entry
static final int	CONSTANT_NAMEANDTYPE	Tag value for Name and Type entries.
static final int	CONSTANT_PACKAGEINFO	Tag value for CONSTANT_Package_info entry (within a module)
static final int	CONSTANT_STRING	Tag value for String entries.
static final int	CONSTANT_UTF8	Tag value for UTF8 entries.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ConstantCPInfo(int tagValue, int entries)	Initialise the constant entry.

Method Summary

Modifier and Type	Method	Description
Object	getValue()	Get the value of the constant.
void	setValue(Object newValue)	Set the constant value.

Methods inherited from class ConstantPoolEntry

getNumEntries, getTag, isResolved, read, readEntry, resolve

Modifier and Type	Method	Description
final int	getNumEntries()	Get the number of Constant Pool Entry slots within the constant pool occupied by this entry.
int	getTag()	Get the Entry's type tag.
boolean	isResolved()	Indicates whether this entry has been resolved.
abstract void	read(DataInputStream cpStream)	read a constant pool entry from a class stream.
static ConstantPoolEntry	readEntry(DataInputStream cpStream)	Read a constant pool entry from a stream.
void	resolve(ConstantPool constantPool)	Resolve this constant pool entry with respect to its dependents in the constant pool.

Methods inherited from class Object

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

Constructor Details

ConstantCPInfo

protected ConstantCPInfo(int tagValue,
 int entries)

Initialise the constant entry.

Parameters:

tagValue - the constant pool entry type to be used.

entries - the number of constant pool entry slots occupied by this entry.

Method Details

getValue

public Object getValue()

Get the value of the constant.

Returns:

the value of the constant (untyped).

setValue

public void setValue(Object newValue)

Set the constant value.

Parameters:

newValue - the new untyped value of this constant.