org.apache.xbean.propertyeditor
Class AbstractConverter

java.lang.Object
  java.beans.PropertyEditorSupport
      org.apache.xbean.propertyeditor.AbstractConverter

All Implemented Interfaces:

PropertyEditor, Converter

Direct Known Subclasses:

AbstractCollectionConverter, AbstractMapConverter, BigDecimalEditor, BigIntegerEditor, BooleanEditor, ByteEditor, CharacterEditor, ClassEditor, CommonsLoggingConverter, DateEditor, DoubleEditor, EnumConverter, FileEditor, FloatEditor, Inet4AddressEditor, Inet6AddressEditor, InetAddressEditor, IntegerEditor, JndiConverter, Log4jConverter, LoggerConverter, LongEditor, ObjectNameEditor, PatternConverter, ShortEditor, StringEditor, URIEditor, URLEditor

public abstract class AbstractConverter
extends PropertyEditorSupport
implements Converter

A base class for converters. This class handles all converter methods, and redirects all conversion requests to toStringImpl and toObjectImpl. These methods can assume that the supplied value or text is never null, and that type checking has been applied to the value.

Version:

$Rev: 6680 $

Constructor Summary

protected

AbstractConverter(Class type) Creates an abstract converter for the specified type.

Method Summary

String	getAsText()
Class	getType() Gets the the type of object supported by this converter.
Object	getValue()
void	setAsText(String text)
void	setValue(Object value)
Object	toObject(String text) Converts the supplied text in to an instance of the editor type.
protected abstract Object	toObjectImpl(String text) Converts the supplied text in to an instance of the editor type.
String	toString(Object value) Converts the supplied object to text.
protected String	toStringImpl(Object value) Converts the supplied object to text.

Methods inherited from class java.beans.PropertyEditorSupport

addPropertyChangeListener, firePropertyChange, getCustomEditor, getJavaInitializationString, getSource, getTags, isPaintable, paintValue, removePropertyChangeListener, setSource, supportsCustomEditor

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.beans.PropertyEditor

addPropertyChangeListener, getCustomEditor, getJavaInitializationString, getTags, isPaintable, paintValue, removePropertyChangeListener, supportsCustomEditor

Constructor Detail

AbstractConverter

protected AbstractConverter(Class type)

Creates an abstract converter for the specified type.

Parameters:

type - type of the property editor

Method Detail

getType

public final Class getType()

Description copied from interface: Converter

Gets the the type of object supported by this converter.

Specified by:

getType in interface Converter

Returns:

getAsText

public final String getAsText()

Specified by:

getAsText in interface PropertyEditor

Overrides:

getAsText in class PropertyEditorSupport

setAsText

public final void setAsText(String text)

Specified by:

setAsText in interface PropertyEditor

Overrides:

setAsText in class PropertyEditorSupport

getValue

public final Object getValue()

Specified by:

getValue in interface PropertyEditor

Overrides:

getValue in class PropertyEditorSupport

setValue

public final void setValue(Object value)

Specified by:

setValue in interface PropertyEditor

Overrides:

setValue in class PropertyEditorSupport

toString

public final String toString(Object value)

Description copied from interface: Converter

Converts the supplied object to text. If value is null, null will be returned. If value is not an instance of the this converter's type, a PropertyEditorException will be thrown.

Specified by:

toString in interface Converter

Parameters:

value - an instance of the editor type

Returns:

the text equivalent of the value

toObject

public final Object toObject(String text)

Description copied from interface: Converter

Converts the supplied text in to an instance of the editor type. If text is null, null will be returned.

Specified by:

toObject in interface Converter

Parameters:

text - the text to convert

Returns:

an instance of the editor type

toStringImpl

protected String toStringImpl(Object value)

Converts the supplied object to text. The supplied object will always be an instance of the editor type, and specifically will never be null or a String (unless this is the String editor).

Parameters:

value - an instance of the editor type

Returns:

the text equivalent of the value

toObjectImpl

protected abstract Object toObjectImpl(String text)

Converts the supplied text in to an instance of the editor type. The text will never be null, and trim() will already have been called.

Parameters:

text - the text to convert

Returns:

an instance of the editor type