Package com.tonic.parser.constpool

Class MethodRefItem

java.lang.Object

com.tonic.parser.constpool.Item<MethodRef>

com.tonic.parser.constpool.MethodRefItem

public class MethodRefItem
extends Item<MethodRef>

A CONSTANT_Methodref constant pool entry, holding the class and name-and-type indices of a class method.

Field Summary

Fields inherited from class com.tonic.parser.constpool.Item

ITEM_CLASS_REF, ITEM_DOUBLE, ITEM_DYNAMIC, ITEM_FIELD_REF, ITEM_FLOAT, ITEM_INTEGER, ITEM_INTERFACE_REF, ITEM_INVOKEDYNAMIC, ITEM_LONG, ITEM_METHOD_HANDLE, ITEM_METHOD_REF, ITEM_METHOD_TYPE, ITEM_MODULE, ITEM_NAME_TYPE_REF, ITEM_PACKAGE, ITEM_STRING_REF, ITEM_UTF_8

Constructor Summary

Constructors

Constructor	Description
MethodRefItem()

Method Summary

Modifier and Type	Method	Description
String	getClassName()	Gets the class name from constant pool.
String	getDescriptor()	Gets the method descriptor from constant pool.
String	getName()	Gets the method name from constant pool.
String	getOwner()	Gets owner class internal name from constant pool.
int	getParameterCount()	Gets the number of method parameters.
int	getReturnTypeSlots()	Gets the number of slots for the return type.
byte	getType()	Returns the type of the constant pool item.
MethodRef	getValue()	Returns the value held by the constant pool item.
void	read(ClassFile classFile)	Reads the constant pool item from the class file.
void	setClassIndex(int classIndex)	Sets the class index.
void	setNameAndTypeIndex(int nameAndTypeIndex)	Sets the name and type index.
void	setValue(MethodRef value)
String	toString()
void	write(DataOutputStream dos)	Writes the item to the output stream (excluding the tag byte, which is written by the caller).

Methods inherited from class com.tonic.parser.constpool.Item

accept, getIndex, setClassFile

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

MethodRefItem

public MethodRefItem()

Method Detail

setValue

public void setValue(MethodRef value)

Parameters:

value - the method reference to hold

read

public void read(ClassFile classFile)

Description copied from class: Item

Reads the constant pool item from the class file.

Specified by:

read in class Item<MethodRef>

Parameters:

classFile - The ClassFile utility to read data.

write

public void write(DataOutputStream dos)
           throws IOException

Description copied from class: Item

Writes the item to the output stream (excluding the tag byte, which is written by the caller).

Specified by:

write in class Item<MethodRef>

Parameters:

dos - The output stream to write to.

Throws:

IOException - If an I/O error occurs.

getType

public byte getType()

Description copied from class: Item

Returns the type of the constant pool item.

Specified by:

getType in class Item<MethodRef>

Returns:

The constant pool tag.

getValue

public MethodRef getValue()

Description copied from class: Item

Returns the value held by the constant pool item.

Specified by:

getValue in class Item<MethodRef>

Returns:

The value of type T.

getClassName

public String getClassName()

Gets the class name from constant pool.

Returns:

class name or null if unavailable

getName

public String getName()

Gets the method name from constant pool.

Returns:

method name or null if unavailable

getDescriptor

public String getDescriptor()

Gets the method descriptor from constant pool.

Returns:

method descriptor or null if unavailable

getParameterCount

public int getParameterCount()

Gets the number of method parameters.

Returns:

parameter count

Throws:

IllegalStateException - if classFile not set or invalid index

getReturnTypeSlots

public int getReturnTypeSlots()

Gets the number of slots for the return type.

Returns:

return type slot count

Throws:

IllegalStateException - if ConstPool not set or invalid index

setClassIndex

public void setClassIndex(int classIndex)

Sets the class index.

Parameters:

classIndex - class index to set

setNameAndTypeIndex

public void setNameAndTypeIndex(int nameAndTypeIndex)

Sets the name and type index.

Parameters:

nameAndTypeIndex - name and type index to set

getOwner

public String getOwner()

Gets owner class internal name from constant pool.

Returns:

owner class internal name or null if unavailable

toString

public String toString()

Overrides:

toString in class Object