com.sun.codemodel

Class JNullType

java.lang.Object

com.sun.codemodel.JType

com.sun.codemodel.JClass

com.sun.codemodel.JNullType

All Implemented Interfaces:

JGenerable, Comparable<JType>

public final class JNullType
extends JClass

Special class object that represents the type of "null".

Use this class with care.

Author:

Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)

Field Summary

Fields inherited from class com.sun.codemodel.JClass

EMPTY_ARRAY

Method Summary

Methods

Modifier and Type	Method and Description
JClass	_extends() Gets the super class of this class.
Iterator<JClass>	_implements() Iterates all super interfaces directly implemented by this class/interface.
JPackage	_package() Gets the package to which this class belongs.
String	fullName() Gets the full name of the type.
boolean	isAbstract() Checks if this class is an abstract class.
boolean	isInterface() Checks if this object represents an interface.
String	name() Gets the name of this class.
protected JClass	substituteParams(JTypeVar[] variables, List<JClass> bindings) Substitutes the type variables with their actual arguments.

Methods inherited from class com.sun.codemodel.JClass

array, boxify, dotclass, erasure, generate, getBaseClass, getBaseClass, getPrimitiveType, getTypeParameters, isAssignableFrom, isParameterized, narrow, narrow, narrow, narrow, narrow, narrow, outer, owner, staticInvoke, staticInvoke, staticRef, staticRef, toString, typeParams, unboxify, wildcard

Methods inherited from class com.sun.codemodel.JType

binaryName, compareTo, elementType, isArray, isPrimitive, isReference, parse

Methods inherited from class java.lang.Object

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

Method Detail

name

public String name()

Description copied from class: JClass

Gets the name of this class.

Specified by:

name in class JClass

Returns:

name of this class, without any qualification. For example, this method returns "String" for java.lang.String.

fullName

public String fullName()

Description copied from class: JType

Gets the full name of the type. See http://java.sun.com/docs/books/jls/second_edition/html/names.doc.html#25430 for the details.

Specified by:

fullName in class JType

Returns:

Strings like "int", "java.lang.String", "java.io.File[]". Never null.

_package

public JPackage _package()

Description copied from class: JClass

Gets the package to which this class belongs. TODO: shall we move move this down?

Specified by:

_package in class JClass

_extends

public JClass _extends()

Description copied from class: JClass

Gets the super class of this class.

Specified by:

_extends in class JClass

Returns:

Returns the JClass representing the superclass of the entity (class or interface) represented by this JClass. Even if no super class is given explicitly or this JClass is not a class, this method still returns JClass for Object. If this JClass represents Object, return null.

_implements

public Iterator<JClass> _implements()

Description copied from class: JClass

Iterates all super interfaces directly implemented by this class/interface.

Specified by:

_implements in class JClass

Returns:

A non-null valid iterator that iterates all JClass objects that represents those interfaces implemented by this object.

isInterface

public boolean isInterface()

Description copied from class: JClass

Checks if this object represents an interface.

Specified by:

isInterface in class JClass

isAbstract

public boolean isAbstract()

Description copied from class: JClass

Checks if this class is an abstract class.

Specified by:

isAbstract in class JClass

substituteParams

protected JClass substituteParams(JTypeVar[] variables,
                      List<JClass> bindings)

Description copied from class: JClass

Substitutes the type variables with their actual arguments.

For example, when this class is Map<String,Map<V>>, (where V then doing substituteParams( V, Integer ) returns a JClass for Map<String,Map<Integer>>.

This method needs to work recursively.

Specified by:

substituteParams in class JClass