org.eclipse.emfforms.internal.common.converter

Class DefaultEAttributeValueConverterImpl

java.lang.Object

org.eclipse.emfforms.internal.common.converter.DefaultEAttributeValueConverterImpl

All Implemented Interfaces:

EStructuralFeatureValueConverter

public class DefaultEAttributeValueConverterImpl
extends Object
implements EStructuralFeatureValueConverter

Default value converter for generic EAttribute handling. Does currently not handle EReferences.

Author:

Mathias Schaefer

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.emfforms.spi.common.converter.EStructuralFeatureValueConverter

EStructuralFeatureValueConverter.Direction

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_LIST_SEPARATOR Default list separator token.
static double	DEFAULT_PRIORITY The default priority for this converter implementation.

Fields inherited from interface org.eclipse.emfforms.spi.common.converter.EStructuralFeatureValueConverter

NOT_APPLICABLE

Constructor Summary

Constructors

Modifier	Constructor and Description
	DefaultEAttributeValueConverterImpl() Default no value constructor (will use the DEFAULT_LIST_SEPARATOR and DEFAULT_PRIORITY for this converter).
protected	DefaultEAttributeValueConverterImpl(String listSeparator, double priority) Constructor which allows to override the list separator.

Method Summary

Modifier and Type	Method and Description
Object	convertToLiteral(org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature feature, Object instance) Convert model value instance to string literal.
Object	convertToModelValue(org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature feature, String literal) Convert string literal to model value instance.
protected Object	fromString(org.eclipse.emf.ecore.EStructuralFeature feature, String literal) Convert literal to Object.
double	isApplicable(org.eclipse.emf.ecore.EObject eObject, org.eclipse.emf.ecore.EStructuralFeature feature, Object value, EStructuralFeatureValueConverter.Direction direction) Check whether this converter instance is applicable for the given feature.
protected Object	toString(org.eclipse.emf.ecore.EStructuralFeature feature, Object instance) Basic conversion from model to string literal.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_LIST_SEPARATOR

public static final String DEFAULT_LIST_SEPARATOR

Default list separator token.

See Also:

Constant Field Values

DEFAULT_PRIORITY

public static final double DEFAULT_PRIORITY

The default priority for this converter implementation. Make sure your converter has a higher priority.

See Also:

Constant Field Values

Constructor Detail

DefaultEAttributeValueConverterImpl

public DefaultEAttributeValueConverterImpl()

Default no value constructor (will use the DEFAULT_LIST_SEPARATOR and DEFAULT_PRIORITY for this converter).

DefaultEAttributeValueConverterImpl

protected DefaultEAttributeValueConverterImpl(String listSeparator,
                                              double priority)

Constructor which allows to override the list separator.

Parameters:

listSeparator - the separator token to split lists (i.e. "|")

priority - the priority for this converter

Method Detail

isApplicable

public double isApplicable(org.eclipse.emf.ecore.EObject eObject,
                           org.eclipse.emf.ecore.EStructuralFeature feature,
                           Object value,
                           EStructuralFeatureValueConverter.Direction direction)

Description copied from interface: EStructuralFeatureValueConverter

Check whether this converter instance is applicable for the given feature.

Specified by:

isApplicable in interface EStructuralFeatureValueConverter

Parameters:

eObject - (optional)

feature - the target feature

value - the value

direction - the direction

Returns:

rank of converter (higher value means higher priority)

convertToModelValue

public Object convertToModelValue(org.eclipse.emf.ecore.EObject eObject,
                                  org.eclipse.emf.ecore.EStructuralFeature feature,
                                  String literal)

Description copied from interface: EStructuralFeatureValueConverter

Convert string literal to model value instance.

Specified by:

convertToModelValue in interface EStructuralFeatureValueConverter

Parameters:

eObject - (optional, only required for EReferences)

feature - the target feature

literal - the string literal

Returns:

converted value

convertToLiteral

public Object convertToLiteral(org.eclipse.emf.ecore.EObject eObject,
                               org.eclipse.emf.ecore.EStructuralFeature feature,
                               Object instance)

Description copied from interface: EStructuralFeatureValueConverter

Convert model value instance to string literal.

Specified by:

convertToLiteral in interface EStructuralFeatureValueConverter

Parameters:

eObject - (optional)

feature - the source feature

instance - the source value object

Returns:

converted value (commonly a string literal)

fromString

protected Object fromString(org.eclipse.emf.ecore.EStructuralFeature feature,
                            String literal)

Convert literal to Object.

Parameters:

feature - target feature

literal - to convert

Returns:

converted object

toString

protected Object toString(org.eclipse.emf.ecore.EStructuralFeature feature,
                          Object instance)

Basic conversion from model to string literal.

Parameters:

feature - the feauter

instance - the model value

Returns:

the string value