How to use

ConverterRegistrationKey

in

org.jboss.errai.databinding.client

/**
 * Lookup a default converter.
 *
 * @return A {@link Converter} between the given types, or else {@code null} if no such default converter exists.
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <M, W> Converter<M, W> getConverter(final Class<M> modelValueType, final Class<W> componentValueType) {
 Converter converter = defaultConverters.get(new ConverterRegistrationKey(modelValueType, componentValueType));
 if (converter == null) {
  converter = maybeCreateBuiltinConverter(maybeBoxPrimitive(modelValueType), maybeBoxPrimitive(componentValueType));
 }
 return converter;
}

/**
 * Registers a {@link Converter} as a default for the provided model and widget types. The default converter will be
 * used in case no custom converter is provided when binding a model to a widget.
 *
 * @param <M>
 *          The type of the model value (field type of the model)
 * @param <W>
 *          The type of the widget value (e.g. String for a {@link TextBox} (=HasValue&lt;String&gt;) or Boolean for a
 *          {@link Checkbox} (=HasValue&lt;Boolean&gt;)))
 * @param modelValueType
 *          The model type the provided converter converts to, must not be null.
 * @param widgetValueType
 *          The widget type the provided converter converts to, must not be null.
 * @param converter
 *          The converter to register as a default for the provided model and widget types.
 */
public static <M, W> void registerDefaultConverter(final Class<M> modelValueType, final Class<W> widgetValueType,
  final Converter<M, W> converter) {
 Assert.notNull(modelValueType);
 Assert.notNull(widgetValueType);
 defaultConverters.put(new ConverterRegistrationKey(modelValueType, widgetValueType), converter);
}

/**
 * Registers a {@link Converter} as a default for the provided model and widget types. The default converter will be
 * used in case no custom converter is provided when binding a model to a widget.
 *
 * @param <M>
 *          The type of the model value (field type of the model)
 * @param <W>
 *          The type of the widget value (e.g. String for a {@link TextBox} (=HasValue&lt;String&gt;) or Boolean for a
 *          {@link Checkbox} (=HasValue&lt;Boolean&gt;)))
 * @param modelValueType
 *          The model type the provided converter converts to, must not be null.
 * @param widgetValueType
 *          The widget type the provided converter converts to, must not be null.
 * @param converter
 *          The converter to register as a default for the provided model and widget types.
 */
public static <M, W> void registerDefaultConverter(final Class<M> modelValueType, final Class<W> widgetValueType,
  final Converter<M, W> converter) {
 Assert.notNull(modelValueType);
 Assert.notNull(widgetValueType);
 defaultConverters.put(new ConverterRegistrationKey(modelValueType, widgetValueType), converter);
}

/**
 * Registers a {@link Converter} as a default for the provided model and widget types. The default converter will be
 * used in case no custom converter is provided when binding a model to a widget.
 *
 * @param <M>
 *          The type of the model value (field type of the model)
 * @param <W>
 *          The type of the widget value (e.g. String for a {@link TextBox} (=HasValue&lt;String&gt;) or Boolean for a
 *          {@link Checkbox} (=HasValue&lt;Boolean&gt;)))
 * @param modelValueType
 *          The model type the provided converter converts to, must not be null.
 * @param widgetValueType
 *          The widget type the provided converter converts to, must not be null.
 * @param converter
 *          The converter to register as a default for the provided model and widget types.
 */
public static <M, W> void registerDefaultConverter(final Class<M> modelValueType, final Class<W> widgetValueType,
  final Converter<M, W> converter) {
 Assert.notNull(modelValueType);
 Assert.notNull(widgetValueType);
 defaultConverters.put(new ConverterRegistrationKey(modelValueType, widgetValueType), converter);
}

/**
 * Lookup a default converter.
 *
 * @return A {@link Converter} between the given types, or else {@code null} if no such default converter exists.
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <M, W> Converter<M, W> getConverter(final Class<M> modelValueType, final Class<W> componentValueType) {
 Converter converter = defaultConverters.get(new ConverterRegistrationKey(modelValueType, componentValueType));
 if (converter == null) {
  converter = maybeCreateBuiltinConverter(maybeBoxPrimitive(modelValueType), maybeBoxPrimitive(componentValueType));
 }
 return converter;
}

/**
 * Lookup a default converter.
 *
 * @return A {@link Converter} between the given types, or else {@code null} if no such default converter exists.
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static <M, W> Converter<M, W> getConverter(final Class<M> modelValueType, final Class<W> componentValueType) {
 Converter converter = defaultConverters.get(new ConverterRegistrationKey(modelValueType, componentValueType));
 if (converter == null) {
  converter = maybeCreateBuiltinConverter(maybeBoxPrimitive(modelValueType), maybeBoxPrimitive(componentValueType));
 }
 return converter;
}