org.apache.xbean.propertyeditor

Class AbstractConverter

java.lang.Object

java.beans.PropertyEditorSupport

org.apache.xbean.propertyeditor.AbstractConverter

All Implemented Interfaces:

java.beans.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 java.beans.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 $

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	trim
private java.lang.Class	type

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractConverter(java.lang.Class type) Creates an abstract converter for the specified type.
protected	AbstractConverter(java.lang.Class type, boolean trim)

Method Summary

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

Field Detail

type

private final java.lang.Class type

trim

private final boolean trim

Constructor Detail

AbstractConverter

protected AbstractConverter(java.lang.Class type)

Creates an abstract converter for the specified type.

Parameters:

type - type of the property editor

AbstractConverter

protected AbstractConverter(java.lang.Class type,
                            boolean trim)

Method Detail

getType

public final java.lang.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 java.lang.String getAsText()

Specified by:

getAsText in interface java.beans.PropertyEditor

Overrides:

getAsText in class java.beans.PropertyEditorSupport

setAsText

public final void setAsText(java.lang.String text)

Specified by:

setAsText in interface java.beans.PropertyEditor

Overrides:

setAsText in class java.beans.PropertyEditorSupport

getValue

public final java.lang.Object getValue()

Specified by:

getValue in interface java.beans.PropertyEditor

Overrides:

getValue in class java.beans.PropertyEditorSupport

setValue

public final void setValue(java.lang.Object value)

Specified by:

setValue in interface java.beans.PropertyEditor

Overrides:

setValue in class java.beans.PropertyEditorSupport

toString

public final java.lang.String toString(java.lang.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 java.lang.Object toObject(java.lang.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 java.lang.String toStringImpl(java.lang.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 java.lang.Object toObjectImpl(java.lang.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