Example usage for org.springframework.core.convert ConverterNotFoundException ConverterNotFoundException

Introduction

In this page you can find the example usage for org.springframework.core.convert ConverterNotFoundException ConverterNotFoundException.

Prototype

public ConverterNotFoundException(@Nullable TypeDescriptor sourceType, TypeDescriptor targetType) 

Source Link

Document

Create a new conversion executor not found exception.

Usage

From source file:org.focusns.common.web.widget.mvc.method.WidgetMethodArgumentResolver.java

public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
        NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
    ///*w w w.  j a  va2 s.c  om*/
    Object value = null;
    if (parameter.hasParameterAnnotation(WidgetAttribute.class)) {
        value = getWidgetAttributeValue(parameter, webRequest);
    } else if (parameter.hasParameterAnnotation(WidgetPref.class)) {
        value = getWidgetPrefValue(parameter, webRequest);
    }
    //
    if (value != null) {
        ConversionService conversionService = (ConversionService) webRequest
                .getAttribute(ConversionService.class.getName(), WebRequest.SCOPE_REQUEST);
        if (conversionService.canConvert(value.getClass(), parameter.getParameterType())) {
            value = conversionService.convert(value, parameter.getParameterType());
        } else {
            throw new ConverterNotFoundException(TypeDescriptor.forObject(value),
                    TypeDescriptor.valueOf(parameter.getParameterType()));
        }
    }
    //
    return value;
}

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From source file:com._4dconcept.springframework.data.marklogic.core.convert.MappingMarklogicConverter.java

@Override
public <R> R read(Class<R> returnType, MarklogicContentHolder holder) {
    ResultItem resultItem = (ResultItem) holder.getContent();
    if (String.class.equals(returnType)) {
        return returnType.cast(resultItem.asString());
    }/* w ww. j  a  v a  2 s  . co  m*/

    R result = null;
    if (returnType.isPrimitive()) {
        try {
            Method method = MarklogicTypeUtils.primitiveMap.get(returnType).getMethod("valueOf", String.class);
            @SuppressWarnings("unchecked")
            R obj = (R) method.invoke(null, resultItem.asString());
            result = obj;
        } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
            LOGGER.debug("Unable to generate primitive value for type " + returnType.getName());
        }
    }

    if (result != null) {
        return result;
    }

    ConversionService conversionService = getConversionService();

    if (conversionService.canConvert(resultItem.getClass(), returnType)) {
        R convert = conversionService.convert(resultItem, returnType);

        if (convert == null) {
            throw new ConversionFailedException(TypeDescriptor.forObject(resultItem),
                    TypeDescriptor.valueOf(returnType), resultItem, new NullPointerException());
        }

        return convert;
    } else {
        throw new ConverterNotFoundException(TypeDescriptor.forObject(resultItem),
                TypeDescriptor.valueOf(returnType));
    }
}

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From source file:com._4dconcept.springframework.data.marklogic.core.convert.MappingMarklogicConverter.java

@Override
public void write(Object source, MarklogicContentHolder holder) {
    TypeDescriptor sourceDescriptor = TypeDescriptor.forObject(source);
    TypeDescriptor targetDescriptor = TypeDescriptor.valueOf(String.class);

    if (getConversionService().canConvert(sourceDescriptor, targetDescriptor)) {
        String content = getConversionService().convert(source, String.class);

        if (content == null) {
            throw new ConversionFailedException(sourceDescriptor, targetDescriptor, source,
                    new NullPointerException("Conversion result is not e"));
        } else {/*from   ww w .  j a v  a2  s.  co m*/
            holder.setContent(content);
        }
    } else {
        throw new ConverterNotFoundException(sourceDescriptor, targetDescriptor);
    }
}

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From source file:org.springframework.core.convert.support.GenericConversionService.java

public Object convert(Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
    assertNotNull(sourceType, targetType);
    if (logger.isDebugEnabled()) {
        logger.debug(//from w w  w.  j  av  a 2  s .c om
                "Converting value " + StylerUtils.style(source) + " of " + sourceType + " to " + targetType);
    }
    if (sourceType == TypeDescriptor.NULL) {
        Assert.isTrue(source == null, "The value must be null if sourceType == TypeDescriptor.NULL");
        Object result = convertNullSource(sourceType, targetType);
        if (logger.isDebugEnabled()) {
            logger.debug("Converted to " + StylerUtils.style(result));
        }
        return result;
    }
    if (targetType == TypeDescriptor.NULL) {
        logger.debug("Converted to null");
        return null;
    }
    Assert.isTrue(source == null || sourceType.getObjectType().isInstance(source));
    GenericConverter converter = getConverter(sourceType, targetType);
    if (converter == null) {
        if (source == null || sourceType.isAssignableTo(targetType)) {
            logger.debug("No converter found - returning assignable source object as-is");
            return source;
        } else {
            throw new ConverterNotFoundException(sourceType, targetType);
        }
    }
    Object result = ConversionUtils.invokeConverter(converter, source, sourceType, targetType);
    if (logger.isDebugEnabled()) {
        logger.debug("Converted to " + StylerUtils.style(result));
    }
    return result;
}

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