org.nakedobjects.object
Interface NakedValue

All Superinterfaces:

Naked, java.io.Serializable

All Known Implementing Classes:

AbstractNakedValue

public interface NakedValue

extends Naked, java.io.Serializable

Definition of an naked value object.

A basic implementation is defined in AbstractNakedValue and concrete implementation in it subclasses: TextString, URLString, Date, Logical, WholeNumber, FloatingPointNumber, Percentage, Currency.

An naked value object must do the following

• Parse a String to set the objects value

See Also:

AbstractNakedValue

Method Summary

void	clear() Clears the value so that it is empty, i.e.
boolean	isNull() Deprecated.
void	parse(java.lang.String text) Takes a user entry string which is parsed to set up the object.
void	reset() Resets a value to its default value.
void	restoreString(java.lang.String data) Takes a storage string and uses it reinstate this value object to its previous state/
java.lang.String	saveString() Returns a basic string representation of this value for storage purposes.
void	setNull() Deprecated.

Methods inherited from interface org.nakedobjects.object.Naked

about, copyObject, getClassName, getFullClassName, getObjectHelpText, isEmpty, isSameAs, isValid, summary, title

Method Detail

clear

public void clear()

Clears the value so that it is empty, i.e. isEmpty returns true.

isNull

public boolean isNull()

Deprecated.

See Also:

Naked.isEmpty()

parse

public void parse(java.lang.String text)
           throws ValueParseException

Takes a user entry string which is parsed to set up the object. This needs to accomodate punctuation and adornments such as currency signs.

Throws:

ValueParseException

See Also:

restoreString(String)

setNull

public void setNull()

Deprecated.

See Also:

clear()

reset

public void reset()

Resets a value to its default value. Contrast this with the clear method.

restoreString

public void restoreString(java.lang.String data)

Takes a storage string and uses it reinstate this value object to its previous state/

Parameters:

data -

See Also:

parse(String)

saveString

public java.lang.String saveString()

Returns a basic string representation of this value for storage purposes.