Examples of com.vaadin.data.util.converter.Converter

com.vaadin.data.util.converter.Converter

Interface that implements conversion between a model and a presentation type.

Typically {@link #convertToPresentation(Object,Class,Locale)} and{@link #convertToModel(Object,Class,Locale)} should be symmetric so thatchaining these together returns the original result for all input but this is not a requirement.

Converters must not have any side effects (never update UI from inside a converter).

All Converters must be stateless and thread safe.

If conversion of a value fails, a {@link ConversionException} is thrown.

@param < PRESENTATION> The presentation type. Must be compatible with what {@link #getPresentationType()} returns. @param < MODEL> The model type. Must be compatible with what {@link #getModelType()} returns. @author Vaadin Ltd. @since 7.0


        tf.setPropertyDataSource(new MethodProperty<Number>(nb, "number"));
        assertEquals(490, tf.getPropertyDataSource().getValue());
        assertEquals("490", tf.getValue());


        Converter c1 = tf.getConverter();


        tf.setPropertyDataSource(new MethodProperty<Number>(nb, "number"));
        Converter c2 = tf.getConverter();
        assertTrue(
                "StringToInteger converter is ok for integer types and should stay even though property is changed",
                c1 == c2);
        assertEquals(490, tf.getPropertyDataSource().getValue());
        assertEquals("490", tf.getValue());

Examples of com.vaadin.data.util.converter.Converter

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