org.sonatype.gshell.util.converter
Class ConverterSupport

java.lang.Object
  java.beans.PropertyEditorSupport
      org.sonatype.gshell.util.converter.ConverterSupport

All Implemented Interfaces:

PropertyEditor, Converter

Direct Known Subclasses:

BigDecimalConverter, BigIntegerConverter, BooleanConverter, ByteConverter, CharacterConverter, ClassConverter, CollectionConverterSupport, DateConverter, DoubleConverter, EnumConverter, FileConverter, FloatConverter, Inet4AddressConverter, Inet6AddressConverter, InetAddressConverter, IntegerConverter, LongConverter, MapConverterSupport, ObjectNameConverter, PatternConverter, ShortConverter, StringConverter, UriConverter, UrlConverter

public abstract class ConverterSupport
extends PropertyEditorSupport
implements Converter

Support for Converter implementations.

Since:

2.0

Constructor Summary

protected

ConverterSupport(Class type)

Method Summary

protected abstract Object	convertToObject(String text) Converts the supplied text in to an instance of the editor type.
protected String	convertToString(Object value) Converts the supplied object to text.
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.
String	toString(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

ConverterSupport

protected ConverterSupport(Class type)

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:

The type supported by this converter.

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 ConversionException 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 convertToObject

Returns:

an instance of the editor type

convertToString

protected String convertToString(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

convertToObject

protected abstract Object convertToObject(String text)
                                   throws Exception

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 convertToObject

Returns:

An instance of the converted type

Throws:

Exception - Conversion failed