com.vaadin.data.ValueContext Java Examples

@Override
public Result<Color> convertToModel(String value, ValueContext context) {
    if (value == null || value.trim().isEmpty()) {
        return Result.ok(Color.WHITE);
    }
    value = value.trim();
    if (!value.startsWith("#") && !value.startsWith("0x")) {
        value = "#" + value;
    }
    try {
        java.awt.Color c = java.awt.Color.decode(value);
        return Result.ok(new Color(c.getRed(), c.getGreen(), c.getBlue(), c.getAlpha()));
    } catch (NumberFormatException e) {
        e.printStackTrace();
    }
    return Result.ok(Color.WHITE);
}
 

@Override
public String convertToPresentation(Color value, ValueContext context) {
    if (value != null) {
        return value.getCSS();
    }
    return null;
}
 

@Override
public String convertToPresentation(final List value, final ValueContext context) {
	final StringBuilder stringBuilder = new StringBuilder();

	if (value != null) {
		stringBuilder.append(START_TAG);
		for (final Object object : value) {
			appendObjectPresentation(stringBuilder, object);
		}
		stringBuilder.append(END_TAG);
	}


	return stringBuilder.toString();
}
 

/**
 * Convert to model verify dummy impl test.
 */
@Test
public void convertToModelVerifyDummyImplTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final Result<List<?>> convertToModel = new ListPropertyConverter("", null).convertToModel("value", context);
	assertNotNull(convertToModel);
	assertFalse(convertToModel.isError());		
}
 

/**
 * Convert to presentation fallback no value test.
 */
@Test
public void convertToPresentationFallbackNoValueTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("partyId", "partyId","partyName").convertToPresentation(Arrays.asList(new ViewRiksdagenParty()), context);
	assertEquals("[ ]",emptyString);
}
 

/**
 * Convert to presentation fallback test.
 */
@Test
public void convertToPresentationFallbackTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("partyId", "partyId","partyName").convertToPresentation(Arrays.asList(new ViewRiksdagenParty().withPartyName("PartyName")), context);
	assertEquals("[PartyName ]",emptyString);
}
 

/**
 * Convert to presentation no value test.
 */
@Test
public void convertToPresentationNoValueTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("partyId", "partyId").convertToPresentation(Arrays.asList(new ViewRiksdagenParty()), context);
	assertEquals("[ ]",emptyString);
}
 

/**
 * Convert to presentation null value failure test.
 */
@Test
public void convertToPresentationNullValueFailureTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("", null).convertToPresentation(null, context);
	assertEquals("",emptyString);
}
 

/**
 * Convert to presentation test.
 */
@Test
public void convertToPresentationTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("partyId", "partyId").convertToPresentation(Arrays.asList(new ViewRiksdagenParty().withPartyId("partyId")), context);
	assertEquals("[partyId ]",emptyString);
}
 

/**
 * Convert to presentation wrong path method value failure test.
 */
@Test
public void convertToPresentationWrongPathMethodValueFailureTest() {
	final ValueContext context = new ValueContext(Locale.ENGLISH);
	final String emptyString = new ListPropertyConverter("party", "party").convertToPresentation(Arrays.asList(new ViewRiksdagenCommittee()), context);
	assertEquals("[ ]",emptyString);
}
 

@Override
public Result<Collection<Integer>> convertToModel(Collection<SimpleProject> value, ValueContext context) {
    if (value == null) {
        return Result.ok(null);
    } else {
        return Result.ok(value.stream().map(project -> project.getId()).collect(Collectors.toSet()));
    }
}
 

@Override
public T convertToPresentation(String value, ValueContext context) {
    if (value == null) {
        return getValue();
    }
    return Enum.valueOf(eClass, value);
}
 

@Override
public Result<String> convertToModel(SimpleUser value, ValueContext context) {
    return (value != null) ? Result.ok(value.getUsername()) : Result.ok(null);
}
 

@Override
public SimpleProjectMember convertToPresentation(String memberName, ValueContext valueContext) {
    return members.stream().filter(member -> member.getUsername().equals(memberName)).findFirst().get();
}
 

@Override
public SimpleUser convertToPresentation(String value, ValueContext context) {
    return users.stream().filter(user -> user.getUsername().equals(value)).findFirst().orElse(null);
}
 

@Override
public Result<String> convertToModel(T value, ValueContext context) {
    return (value != null) ? Result.ok(value.name()) : Result.ok(null);
}
 

@Override
public Result<Integer> convertToModel(Entry entry, ValueContext valueContext) {
    return Result.ok(entry.key);
}
 

@Override
public Entry convertToPresentation(Integer key, ValueContext valueContext) {
    return Arrays.stream(entries).filter(entry -> entry.key == key).findFirst().get();
}
 

@Override
public Result<String> convertToModel(OptionVal value, ValueContext context) {
    return (value != null) ? Result.ok(value.getTypeval()) : Result.ok(null);
}
 

@Override
public OptionVal convertToPresentation(String value, ValueContext context) {
    return options.stream().filter(option -> option.getTypeval().equals(value)).findFirst().orElse(null);
}
 

@Override
public Result<String> convertToModel(Currency value, ValueContext context) {
    return (value != null) ? Result.ok(value.getCurrencyCode()) : Result.ok(null);
}
 

@Override
public Currency convertToPresentation(String value, ValueContext context) {
    return (value == null) ? null : Currency.getInstance(value);
}
 

@Override
public SimpleRole convertToPresentation(Integer id, ValueContext valueContext) {
    Optional<SimpleRole> result = roles.stream().filter(role -> role.getId() == id).findFirst();
    return result.orElse(null);
}
 

@Override
public Result<Integer> convertToModel(SimpleRole simpleRole, ValueContext valueContext) {
    return Result.ok(simpleRole.getId());
}
 

@Override
public Collection<SimpleProject> convertToPresentation(Collection<Integer> value, ValueContext context) {
    return null;
}
 

@Override
public Result<Enum> convertToModel(final String value, final ValueContext context) {
	return Result.ok(null);
}
 

@Override
public Result<String> convertToModel(SimpleProjectMember projectMember, ValueContext valueContext) {
    return Result.ok(projectMember.getUsername());
}
 

@Override
public SimpleProjectRole convertToPresentation(Integer roleId, ValueContext valueContext) {
    return roles.stream().filter(role -> role.getId() == roleId).findFirst().orElse(null);
}
 

@Override
public Result<Integer> convertToModel(SimpleProjectRole role, ValueContext valueContext) {
    return (role != null)? Result.ok(role.getId()) : Result.ok(null);
}
 

@Override
public SimpleMilestone convertToPresentation(Integer value, ValueContext context) {
    if (milestones == null) return null;
    return milestones.stream().filter(milestone -> milestone.getId() == value).findFirst().orElse(null);
}