Examples of net.sourceforge.stripes.validation.ScopedLocalizableError

Package net.sourceforge.stripes.validation

Examples of net.sourceforge.stripes.validation.ScopedLocalizableError

net.sourceforge.stripes.validation.ScopedLocalizableError
Provides a slightly more customizable approach to error messages. Where the LocalizedError class looks for an error message in a single place based on the key provided, ScopedLocalizableError performs a scoped search for an error message.

As an example, let's say that the IntegerConverter raises an error message with the values defaultScope=converter.integer and key=outOfRange, for a field called age on an ActionBean bound to /cats/KittenDetail.action. Based on this information an instance of ScopedLocalizableError would fetch the resource bundle and look for error message templates in the following order:
- com.myco.KittenDetailActionBean.age.outOfRange
- com.myco.KittenDetailActionBean.age.errorMessage
- /cats/KittenDetail.action.age.outOfRange (deprecated)
- /cats/KittenDetail.action.age.errorMessage (deprecated)
- age.outOfRange
- age.errorMessage
- com.myco.KittenDetailActionBean.outOfRange
- com.myco.KittenDetailActionBean.errorMessage
- /cats/KittenDetail.action.outOfRange (deprecated)
- /cats/KittenDetail.action.errorMessage (deprecated)
- converter.integer.outOfRange
Using ScopingLocalizedErrors provides application developers with the flexibility to provide as much or as little specificity in error messages as desired. The scope and ordering of the messages is designed to allow developers to specify default messages at several levels, and then override those as needed for specific circumstances.
@author Tim Fennell

            if (expr != null) {
                try {
                    resolver.setCurrentValue(value);
                    Boolean result = (Boolean) expr.evaluate(resolver);
                    if (!Boolean.TRUE.equals(result)) {
                        ValidationError error = new ScopedLocalizableError(ERROR_DEFAULT_SCOPE,
                                                                           ERROR_KEY);
                        error.setFieldValue(String.valueOf(value));
                        errors.add(name.getName(), error);
                    }
                }
                catch (ELException ele) {
                    log.error("Error evaluating expression for property ", name.getName(),

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            if (expression != null) {
                try {
                    ctx.setCurrentValue(value);
                    Boolean result = (Boolean) expression.getValue(ctx);
                    if (!Boolean.TRUE.equals(result)) {
                        ValidationError error = new ScopedLocalizableError(ERROR_DEFAULT_SCOPE, ERROR_KEY);
                        error.setFieldValue(String.valueOf(value));
                        errors.add(name.getName(), error);
                    }
                }
                catch (ELException ele) {
                    log.error("Error evaluating expression for property ", name.getName(),

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            if (expr != null) {
                try {
                    resolver.setCurrentValue(value);
                    Boolean result = (Boolean) expr.evaluate(resolver);
                    if (!Boolean.TRUE.equals(result)) {
                        ValidationError error = new ScopedLocalizableError(ERROR_DEFAULT_SCOPE,
                                                                           ERROR_KEY);
                        error.setFieldValue(String.valueOf(value));
                        errors.add(name.getName(), error);
                    }
                }
                catch (ELException ele) {
                    log.error("Error evaluating expression for property ", name.getName(),

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        // Firstly if the post is a multipart request, check to see if a file was
        // sent under that parameter name
        FileBean file = null;
        if (req.isMultipart() && (file = req.getFileParameterValue(name)) != null) {
            if (file.getSize() <= 0) {
                errors.add(name, new ScopedLocalizableError("validation.required",
                        "valueNotPresent"));
            }
        }
        // And if not, see if any regular parameters were sent
        else if (values == null || values.length == 0) {
            ValidationError error = new ScopedLocalizableError("validation.required",
                    "valueNotPresent");
            error.setFieldValue(null);
            errors.add(name, error);
        }
        else {
            for (String value : values) {
                if (value == null || value.length() == 0) {
                    ValidationError error = new ScopedLocalizableError("validation.required",
                            "valueNotPresent");
                    error.setFieldValue(value);
                    errors.add(name, error);
                }
            }
        }
    }

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        for (String value : values) {
            // Only run validations when there are non-empty values
            if (value != null && value.length() > 0) {
                if (validationInfo.minlength() != null
                        && value.length() < validationInfo.minlength()) {
                    ValidationError error = new ScopedLocalizableError("validation.minlength",
                            "valueTooShort", validationInfo.minlength());


                    error.setFieldValue(value);
                    errors.add(error);
                }


                if (validationInfo.maxlength() != null
                        && value.length() > validationInfo.maxlength()) {
                    ValidationError error = new ScopedLocalizableError("validation.maxlength",
                            "valueTooLong", validationInfo.maxlength());
                    error.setFieldValue(value);
                    errors.add(error);
                }


                if (validationInfo.mask() != null
                        && !validationInfo.mask().matcher(value).matches()) {


                    ValidationError error = new ScopedLocalizableError("validation.mask",
                            "valueDoesNotMatch");


                    error.setFieldValue(value);
                    errors.add(error);
                }
            }
        }
    }

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                if (value instanceof Number) {
                    Number number = (Number) value;


                    if (validationInfo.minvalue() != null
                            && number.doubleValue() < validationInfo.minvalue()) {
                        ValidationError error = new ScopedLocalizableError("validation.minvalue",
                                "valueBelowMinimum", validationInfo.minvalue());
                        error.setFieldValue(String.valueOf(value));
                        errors.add(name.getName(), error);
                    }


                    if (validationInfo.maxvalue() != null
                            && number.doubleValue() > validationInfo.maxvalue()) {
                        ValidationError error = new ScopedLocalizableError("validation.maxvalue",
                                "valueAboveMaximum", validationInfo.maxvalue());
                        error.setFieldValue(String.valueOf(value));
                        errors.add(name.getName(), error);
                    }
                }
            }

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