Examples with TypeDescriptor org.springframework.core.convert.TypeDescriptor used on opensource projects

Example 6 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class AbstractNestablePropertyAccessor method createDefaultPropertyValue.

private PropertyValue createDefaultPropertyValue(PropertyTokenHolder tokens) {
    TypeDescriptor desc = getPropertyTypeDescriptor(tokens.canonicalName);
    Class<?> type = desc.getType();
    if (type == null) {
        throw new NullValueInNestedPathException(getRootClass(), this.nestedPath + tokens.canonicalName, "Could not determine property type for auto-growing a default value");
    }
    Object defaultValue = newValue(type, desc, tokens.canonicalName);
    return new PropertyValue(tokens.canonicalName, defaultValue);
}

Example 7 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class AbstractPropertyAccessorTests method setPropertyIntermediateListIsNullWithBadConversionService.

@Test
public void setPropertyIntermediateListIsNullWithBadConversionService() {
    Foo target = new Foo();
    AbstractPropertyAccessor accessor = createAccessor(target);
    accessor.setConversionService(new GenericConversionService() {

        @Override
        public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
            throw new ConversionFailedException(sourceType, targetType, source, null);
        }
    });
    accessor.setAutoGrowNestedPaths(true);
    accessor.setPropertyValue("listOfMaps[0]['luckyNumber']", "9");
    assertEquals("9", target.listOfMaps.get(0).get("luckyNumber"));
}

Example 8 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class FormattingConversionServiceTests method doTestFormatFieldForAnnotation.

@SuppressWarnings("unchecked")
private void doTestFormatFieldForAnnotation(Class<?> modelClass, boolean directFieldAccess) throws Exception {
    formattingService.addConverter(new Converter<Date, Long>() {

        @Override
        public Long convert(Date source) {
            return source.getTime();
        }
    });
    formattingService.addConverter(new Converter<DateTime, Date>() {

        @Override
        public Date convert(DateTime source) {
            return source.toDate();
        }
    });
    String formatted = (String) formattingService.convert(new LocalDate(2009, 10, 31).toDateTimeAtCurrentTime().toDate(), new TypeDescriptor(modelClass.getField("date")), TypeDescriptor.valueOf(String.class));
    assertEquals("10/31/09", formatted);
    LocalDate date = new LocalDate(formattingService.convert("10/31/09", TypeDescriptor.valueOf(String.class), new TypeDescriptor(modelClass.getField("date"))));
    assertEquals(new LocalDate(2009, 10, 31), date);
    List<Date> dates = new ArrayList<>();
    dates.add(new LocalDate(2009, 10, 31).toDateTimeAtCurrentTime().toDate());
    dates.add(new LocalDate(2009, 11, 1).toDateTimeAtCurrentTime().toDate());
    dates.add(new LocalDate(2009, 11, 2).toDateTimeAtCurrentTime().toDate());
    formatted = (String) formattingService.convert(dates, new TypeDescriptor(modelClass.getField("dates")), TypeDescriptor.valueOf(String.class));
    assertEquals("10-31-09,11-1-09,11-2-09", formatted);
    dates = (List<Date>) formattingService.convert("10-31-09,11-1-09,11-2-09", TypeDescriptor.valueOf(String.class), new TypeDescriptor(modelClass.getField("dates")));
    assertEquals(new LocalDate(2009, 10, 31), new LocalDate(dates.get(0)));
    assertEquals(new LocalDate(2009, 11, 1), new LocalDate(dates.get(1)));
    assertEquals(new LocalDate(2009, 11, 2), new LocalDate(dates.get(2)));
    Object model = modelClass.newInstance();
    ConfigurablePropertyAccessor accessor = directFieldAccess ? PropertyAccessorFactory.forDirectFieldAccess(model) : PropertyAccessorFactory.forBeanPropertyAccess(model);
    accessor.setConversionService(formattingService);
    accessor.setPropertyValue("dates", "10-31-09,11-1-09,11-2-09");
    dates = (List<Date>) accessor.getPropertyValue("dates");
    assertEquals(new LocalDate(2009, 10, 31), new LocalDate(dates.get(0)));
    assertEquals(new LocalDate(2009, 11, 1), new LocalDate(dates.get(1)));
    assertEquals(new LocalDate(2009, 11, 2), new LocalDate(dates.get(2)));
    if (!directFieldAccess) {
        accessor.setPropertyValue("dates[0]", "10-30-09");
        accessor.setPropertyValue("dates[1]", "10-1-09");
        accessor.setPropertyValue("dates[2]", "10-2-09");
        dates = (List<Date>) accessor.getPropertyValue("dates");
        assertEquals(new LocalDate(2009, 10, 30), new LocalDate(dates.get(0)));
        assertEquals(new LocalDate(2009, 10, 1), new LocalDate(dates.get(1)));
        assertEquals(new LocalDate(2009, 10, 2), new LocalDate(dates.get(2)));
    }
}

Example 9 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class FormattingConversionServiceTests method formatFieldForAnnotationWithSubclassAsFieldType.

@Test
public void formatFieldForAnnotationWithSubclassAsFieldType() throws Exception {
    formattingService.addFormatterForFieldAnnotation(new JodaDateTimeFormatAnnotationFormatterFactory() {

        @Override
        public Printer<?> getPrinter(org.springframework.format.annotation.DateTimeFormat annotation, Class<?> fieldType) {
            assertEquals(MyDate.class, fieldType);
            return super.getPrinter(annotation, fieldType);
        }
    });
    formattingService.addConverter(new Converter<MyDate, Long>() {

        @Override
        public Long convert(MyDate source) {
            return source.getTime();
        }
    });
    formattingService.addConverter(new Converter<MyDate, Date>() {

        @Override
        public Date convert(MyDate source) {
            return source;
        }
    });
    formattingService.convert(new MyDate(), new TypeDescriptor(ModelWithSubclassField.class.getField("date")), TypeDescriptor.valueOf(String.class));
}

Example 10 with TypeDescriptor

use of org.springframework.core.convert.TypeDescriptor in project spring-framework by spring-projects.

the class MapToMapConverter method convert.

@Override
@SuppressWarnings("unchecked")
public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
    if (source == null) {
        return null;
    }
    Map<Object, Object> sourceMap = (Map<Object, Object>) source;
    // Shortcut if possible...
    boolean copyRequired = !targetType.getType().isInstance(source);
    if (!copyRequired && sourceMap.isEmpty()) {
        return sourceMap;
    }
    TypeDescriptor keyDesc = targetType.getMapKeyTypeDescriptor();
    TypeDescriptor valueDesc = targetType.getMapValueTypeDescriptor();
    List<MapEntry> targetEntries = new ArrayList<>(sourceMap.size());
    for (Map.Entry<Object, Object> entry : sourceMap.entrySet()) {
        Object sourceKey = entry.getKey();
        Object sourceValue = entry.getValue();
        Object targetKey = convertKey(sourceKey, sourceType, keyDesc);
        Object targetValue = convertValue(sourceValue, sourceType, valueDesc);
        targetEntries.add(new MapEntry(targetKey, targetValue));
        if (sourceKey != targetKey || sourceValue != targetValue) {
            copyRequired = true;
        }
    }
    if (!copyRequired) {
        return sourceMap;
    }
    Map<Object, Object> targetMap = CollectionFactory.createMap(targetType.getType(), (keyDesc != null ? keyDesc.getType() : null), sourceMap.size());
    for (MapEntry entry : targetEntries) {
        entry.addToMap(targetMap);
    }
    return targetMap;
}