Examples with MethodArgumentConversionNotSupportedException cn.taketoday.web.handler.method.MethodArgumentConversionNotSupportedException used on opensource projects

Example 1 with MethodArgumentConversionNotSupportedException

use of cn.taketoday.web.handler.method.MethodArgumentConversionNotSupportedException in project today-framework by TAKETODAY.

the class AbstractNamedValueResolvingStrategy method resolveArgument.

@Nullable
@Override
public final Object resolveArgument(RequestContext context, ResolvableMethodParameter resolvable) throws Throwable {
    MethodParameter methodParameter = resolvable.getParameter();
    NamedValueInfo namedValueInfo = getNamedValueInfo(resolvable);
    MethodParameter nestedParameter = methodParameter.nestedIfOptional();
    Object arg;
    if (namedValueInfo.nameEmbedded) {
        Object resolvedName = resolveEmbeddedValuesAndExpressions(namedValueInfo.name);
        if (resolvedName == null) {
            throw new IllegalArgumentException("Specified name must not resolve to null: [" + namedValueInfo.name + "]");
        }
        arg = resolveName(resolvedName.toString(), resolvable, context);
    } else {
        arg = resolveName(namedValueInfo.name, resolvable, context);
    }
    if (arg == null) {
        if (namedValueInfo.defaultValue != null) {
            arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
        } else if (namedValueInfo.required && !nestedParameter.isOptional()) {
            handleMissingValue(namedValueInfo.name, nestedParameter, context);
        }
        arg = handleNullValue(namedValueInfo.name, arg, nestedParameter.getNestedParameterType());
    } else if ("".equals(arg) && namedValueInfo.defaultValue != null) {
        arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
    }
    BindingContext bindingContext = context.getBindingContext();
    if (bindingContext != null) {
        WebDataBinder binder = bindingContext.createBinder(context, namedValueInfo.name);
        try {
            arg = binder.convertIfNecessary(arg, methodParameter.getParameterType(), methodParameter);
        } catch (ConversionNotSupportedException ex) {
            throw new MethodArgumentConversionNotSupportedException(arg, ex.getRequiredType(), namedValueInfo.name, methodParameter, ex.getCause());
        } catch (TypeMismatchException ex) {
            throw new MethodArgumentTypeMismatchException(arg, ex.getRequiredType(), namedValueInfo.name, methodParameter, ex.getCause());
        }
        // Check for null value after conversion of incoming argument value
        if (arg == null && namedValueInfo.defaultValue == null && namedValueInfo.required && !nestedParameter.isOptional()) {
            handleMissingValueAfterConversion(namedValueInfo.name, nestedParameter, context);
        }
    }
    handleResolvedValue(arg, namedValueInfo.name, resolvable, context);
    return arg;
}

Example 2 with MethodArgumentConversionNotSupportedException

use of cn.taketoday.web.handler.method.MethodArgumentConversionNotSupportedException in project today-infrastructure by TAKETODAY.

the class AbstractNamedValueResolvingStrategy method resolveArgument.

@Nullable
@Override
public final Object resolveArgument(RequestContext context, ResolvableMethodParameter resolvable) throws Throwable {
    MethodParameter methodParameter = resolvable.getParameter();
    NamedValueInfo namedValueInfo = getNamedValueInfo(resolvable);
    MethodParameter nestedParameter = methodParameter.nestedIfOptional();
    Object arg;
    if (namedValueInfo.nameEmbedded) {
        Object resolvedName = resolveEmbeddedValuesAndExpressions(namedValueInfo.name);
        if (resolvedName == null) {
            throw new IllegalArgumentException("Specified name must not resolve to null: [" + namedValueInfo.name + "]");
        }
        arg = resolveName(resolvedName.toString(), resolvable, context);
    } else {
        arg = resolveName(namedValueInfo.name, resolvable, context);
    }
    if (arg == null) {
        if (namedValueInfo.defaultValue != null) {
            arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
        } else if (namedValueInfo.required && !nestedParameter.isOptional()) {
            handleMissingValue(namedValueInfo.name, nestedParameter, context);
        }
        arg = handleNullValue(namedValueInfo.name, arg, nestedParameter.getNestedParameterType());
    } else if ("".equals(arg) && namedValueInfo.defaultValue != null) {
        arg = resolveEmbeddedValuesAndExpressions(namedValueInfo.defaultValue);
    }
    BindingContext bindingContext = context.getBindingContext();
    if (bindingContext != null) {
        WebDataBinder binder = bindingContext.createBinder(context, namedValueInfo.name);
        try {
            arg = binder.convertIfNecessary(arg, methodParameter.getParameterType(), methodParameter);
        } catch (ConversionNotSupportedException ex) {
            throw new MethodArgumentConversionNotSupportedException(arg, ex.getRequiredType(), namedValueInfo.name, methodParameter, ex.getCause());
        } catch (TypeMismatchException ex) {
            throw new MethodArgumentTypeMismatchException(arg, ex.getRequiredType(), namedValueInfo.name, methodParameter, ex.getCause());
        }
        // Check for null value after conversion of incoming argument value
        if (arg == null && namedValueInfo.defaultValue == null && namedValueInfo.required && !nestedParameter.isOptional()) {
            handleMissingValueAfterConversion(namedValueInfo.name, nestedParameter, context);
        }
    }
    handleResolvedValue(arg, namedValueInfo.name, resolvable, context);
    return arg;
}