com.objectwave.classFile
Class ConstantPoolInfo

java.lang.Object
  |
  +--com.objectwave.classFile.ConstantPoolInfo

Direct Known Subclasses:

MethodReference

public class ConstantPoolInfo

extends java.lang.Object

This class defines an entry in the constant pool for a Java class. The class file is primarily composed of ConstantPool entries and manipulation is done by modifying those entries.

See Also:

ClassFile

Field Summary

static int	ASCIZ
static int	CLASS
static int	DOUBLE
static int	FIELDREF
static int	FLOAT
static int	INTEGER
static int	INTERFACE
static int	LONG
static int	METHODREF
static int	NAMEANDTYPE
static int	STRING
static int	UNICODE

Constructor Summary

ConstantPoolInfo()

ConstantPoolInfo(double value)

ConstantPoolInfo(float value)

ConstantPoolInfo(int value)

ConstantPoolInfo(long value)
Construct a new ConstantPoolInfo object that is of type LONG

ConstantPoolInfo(java.lang.String value)

Method Summary

static ConstantPoolInfo	create(int type) Factory approach to creating instances.
static short	indexOf(ConstantPoolInfo item, ConstantPoolInfo[] pool)
ConstantPoolInfo	inPool(ConstantPoolInfo[] pool) Returns the reference to the constant pool item that is already in pool, that matches this one.
boolean	isEqual(ConstantPoolInfo cp) Returns true if these constant pool items are identical.
int	isType()
boolean	read(java.io.DataInputStream dis, int type)
java.lang.String	toString()
void	write(java.io.DataOutputStream dos, ConstantPoolInfo[] pool)

Methods inherited from class java.lang.Object

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

Field Detail

CLASS

public static final int CLASS

See Also:

Constant Field Values

FIELDREF

public static final int FIELDREF

See Also:

Constant Field Values

METHODREF

public static final int METHODREF

See Also:

Constant Field Values

STRING

public static final int STRING

See Also:

Constant Field Values

INTEGER

public static final int INTEGER

See Also:

Constant Field Values

FLOAT

public static final int FLOAT

See Also:

Constant Field Values

LONG

public static final int LONG

See Also:

Constant Field Values

DOUBLE

public static final int DOUBLE

See Also:

Constant Field Values

INTERFACE

public static final int INTERFACE

See Also:

Constant Field Values

NAMEANDTYPE

public static final int NAMEANDTYPE

See Also:

Constant Field Values

ASCIZ

public static final int ASCIZ

See Also:

Constant Field Values

UNICODE

public static final int UNICODE

See Also:

Constant Field Values

Constructor Detail

ConstantPoolInfo

public ConstantPoolInfo()

ConstantPoolInfo

public ConstantPoolInfo(double value)

ConstantPoolInfo

public ConstantPoolInfo(float value)

ConstantPoolInfo

public ConstantPoolInfo(int value)

ConstantPoolInfo

public ConstantPoolInfo(long value)

Construct a new ConstantPoolInfo object that is of type LONG

ConstantPoolInfo

public ConstantPoolInfo(java.lang.String value)

Method Detail

indexOf

public static short indexOf(ConstantPoolInfo item,
                            ConstantPoolInfo[] pool)
                     throws java.lang.Exception

java.lang.Exception

inPool

public ConstantPoolInfo inPool(ConstantPoolInfo[] pool)

Returns the reference to the constant pool item that is already in pool, that matches this one.

isEqual

public boolean isEqual(ConstantPoolInfo cp)

Returns true if these constant pool items are identical.

isType

public int isType()

create

public static ConstantPoolInfo create(int type)

Factory approach to creating instances.

read

public boolean read(java.io.DataInputStream dis,
                    int type)
             throws java.io.IOException

java.io.IOException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

write

public void write(java.io.DataOutputStream dos,
                  ConstantPoolInfo[] pool)
           throws java.io.IOException,
                  java.lang.Exception

java.io.IOException

java.lang.Exception