Package io.github.mmm.code.impl.java.expression.constant

Class JavaConstant<T>

java.lang.Object

io.github.mmm.code.base.item.BaseItem

io.github.mmm.code.base.expression.BaseExpression

io.github.mmm.code.impl.java.expression.constant.JavaConstant<T>

Type Parameters:

T - type of getValue().

All Implemented Interfaces:

io.github.mmm.code.api.expression.CodeConstant, io.github.mmm.code.api.expression.CodeExpression, io.github.mmm.code.api.item.CodeItem, JavaExpression

Direct Known Subclasses:

JavaEnumConstant, JavaFactoryConstant, JavaLiteral

public abstract class JavaConstant<T>
extends BaseExpression
implements io.github.mmm.code.api.expression.CodeConstant, JavaExpression

Implementation of CodeConstant for Java.

Since:

1.0.0

Author:

hohwille

Field Summary

Fields inherited from interface io.github.mmm.code.api.item.CodeItem

DEFAULT_INDENT, DEFAULT_NEWLINE

Constructor Summary

Constructors

Constructor	Description
JavaConstant(T value)	The constructor.

Method Summary

Modifier and Type	Method	Description
protected void	doWrite(Appendable sink, String newline, String defaultIndent, String currentIndent, io.github.mmm.code.api.language.CodeLanguage language)
JavaConstant<T>	evaluate()
Class<? extends T>	getJavaClass()
abstract String	getSourceCode()
T	getValue()
boolean	isPrimitive()
static JavaConstant<?>	of(Object value, boolean primitive)
abstract JavaConstant<T>	withValue(T newValue)

Methods inherited from class io.github.mmm.code.base.item.BaseItem

getOwningType, getSpaces, toString, write

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.github.mmm.code.api.item.CodeItem

getLanguage, write, write, write, write, write

Constructor Details

JavaConstant

public JavaConstant(T value)

The constructor.

Parameters:

value - the value.

Method Details

getValue

public T getValue()

Specified by:

getValue in interface io.github.mmm.code.api.expression.CodeConstant

getJavaClass

public Class<? extends T> getJavaClass()

Returns:

the Class reflecting the type of this constant.

isPrimitive

public boolean isPrimitive()

Returns:

true if the type is primitive.

evaluate

public JavaConstant<T> evaluate()

Specified by:

evaluate in interface io.github.mmm.code.api.expression.CodeConstant

Specified by:

evaluate in interface io.github.mmm.code.api.expression.CodeExpression

Specified by:

evaluate in interface JavaExpression

getSourceCode

public abstract String getSourceCode()

Specified by:

getSourceCode in interface io.github.mmm.code.api.item.CodeItem

Overrides:

getSourceCode in class BaseItem

doWrite

protected void doWrite(Appendable sink,
 String newline,
 String defaultIndent,
 String currentIndent,
 io.github.mmm.code.api.language.CodeLanguage language)
                throws IOException

Specified by:

doWrite in class BaseItem

Throws:

IOException

withValue

public abstract JavaConstant<T> withValue(T newValue)

Parameters:

newValue - the new value. May not be null.

Returns:

the corresponding JavaConstant of the same type with the given value.

of

public static JavaConstant<?> of(Object value,
 boolean primitive)

Parameters:

value - the literal value.

primitive - true if the value is primitive and a primitve JavaLiteral shall be created, false otherwise.

Returns:

the JavaConstant for the given value. May be null if the type of the given value is not supported.