fieldchecks.java

MVC开源框架

        }

        Locale locale = RequestUtils.getUserLocale(request, null);

        result = GenericTypeValidator.formatFloat(value, locale);

        if (result == null) {
            errors.add(field.getKey(),
                Resources.getActionMessage(validator, request, va, field));
        }

        return (result == null) ? Boolean.FALSE : result;
    }

    /**
     * Checks if the field can safely be converted to a double primitive.
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateDouble(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        try {
            value = evaluateBean(bean, field);
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "double", e);
            return Boolean.FALSE;
        }

        if (GenericValidator.isBlankOrNull(value)) {
            return Boolean.TRUE;
        }

        result = GenericTypeValidator.formatDouble(value);

        if (result == null) {
            errors.add(field.getKey(),
                Resources.getActionMessage(validator, request, va, field));
        }

        return (result == null) ? Boolean.FALSE : result;
    }

    /**
     * Checks if the field can safely be converted to a double primitive.
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateDoubleLocale(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        try {
            value = evaluateBean(bean, field);
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "doubleLocale", e);
            return Boolean.FALSE;
        }

        if (GenericValidator.isBlankOrNull(value)) {
            return Boolean.TRUE;
        }

        Locale locale = RequestUtils.getUserLocale(request, null);

        result = GenericTypeValidator.formatDouble(value, locale);

        if (result == null) {
            errors.add(field.getKey(),
                Resources.getActionMessage(validator, request, va, field));
        }

        return (result == null) ? Boolean.FALSE : result;
    }

    /**
     * Checks if the field is a valid date. If the field has a datePattern
     * variable, that will be used to format <code>java.text.SimpleDateFormat</code>.
     * If the field has a datePatternStrict variable, that will be used to
     * format <code>java.text.SimpleDateFormat</code> and the length will be
     * checked so '2/12/1999' will not pass validation with the format
     * 'MM/dd/yyyy' because the month isn't two digits. If no datePattern
     * variable is specified, then the field gets the DateFormat.SHORT format
     * for the locale. The setLenient method is set to <code>false</code> for
     * all variations.
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateDate(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        try {
            value = evaluateBean(bean, field);
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "date", e);
            return Boolean.FALSE;
        }

        boolean isStrict = false;
        String datePattern =
            Resources.getVarValue("datePattern", field, validator, request,
                false);

        if (GenericValidator.isBlankOrNull(datePattern)) {
            datePattern =
                Resources.getVarValue("datePatternStrict", field, validator,
                    request, false);

            if (!GenericValidator.isBlankOrNull(datePattern)) {
                isStrict = true;
            }
        }

        Locale locale = RequestUtils.getUserLocale(request, null);

        if (GenericValidator.isBlankOrNull(value)) {
            return Boolean.TRUE;
        }

        try {
            if (GenericValidator.isBlankOrNull(datePattern)) {
                result = GenericTypeValidator.formatDate(value, locale);
            } else {
                result =
                    GenericTypeValidator.formatDate(value, datePattern, isStrict);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        if (result == null) {
            errors.add(field.getKey(),
                Resources.getActionMessage(validator, request, va, field));
        }

        return (result == null) ? Boolean.FALSE : result;
    }

    /**
     * Checks if a fields value is within a range (min &amp; max specified in
     * the vars attribute).
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return True if in range, false otherwise.
     */
    public static boolean validateLongRange(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        String value = null;

        try {
            value = evaluateBean(bean, field);
            if (!GenericValidator.isBlankOrNull(value)) {
                String minVar =
                    Resources.getVarValue("min", field, validator, request, true);
                String maxVar =
                    Resources.getVarValue("max", field, validator, request, true);
                long longValue = Long.parseLong(value);
                long min = Long.parseLong(minVar);
                long max = Long.parseLong(maxVar);
    
                if (min > max) {
                    throw new IllegalArgumentException(sysmsgs.getMessage(
                            "invalid.range", minVar, maxVar));
                }
    
                if (!GenericValidator.isInRange(longValue, min, max)) {
                    errors.add(field.getKey(),
                        Resources.getActionMessage(validator, request, va, field));
    
                    return false;
                }
            }
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "longRange", e);

            return false;
        }

        return true;
    }

    /**
     * Checks if a fields value is within a range (min &amp; max specified in
     * the vars attribute).
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return True if in range, false otherwise.
     */
    public static boolean validateIntRange(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        String value = null;

        try {
            value = evaluateBean(bean, field);
            if (!GenericValidator.isBlankOrNull(value)) {
                String minVar =
                    Resources.getVarValue("min", field, validator, request, true);
                String maxVar =
                    Resources.getVarValue("max", field, validator, request, true);
                int min = Integer.parseInt(minVar);
                int max = Integer.parseInt(maxVar);
                int intValue = Integer.parseInt(value);

                if (min > max) {
                    throw new IllegalArgumentException(sysmsgs.getMessage(
                            "invalid.range", minVar, maxVar));
                }

                if (!GenericValidator.isInRange(intValue, min, max)) {
                    errors.add(field.getKey(),
                        Resources.getActionMessage(validator, request, va, field));

                    return false;
                }
            }
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "intRange", e);

            return false;
        }

        return true;
    }

    /**
     * Checks if a fields value is within a range (min &amp; max specified in
     * the vars attribute).
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return True if in range, false otherwise.
     */
    public static boolean validateDoubleRange(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        String value = null;

        try {
            value = evaluateBean(bean, field);
            if (!GenericValidator.isBlankOrNull(value)) {
                String minVar =
                    Resources.getVarValue("min", field, validator, request, true);
                String maxVar =
                    Resources.getVarValue("max", field, validator, request, true);
                double doubleValue = Double.parseDouble(value);
                double min = Double.parseDouble(minVar);
                double max = Double.parseDouble(maxVar);

                if (min > max) {
                    throw new IllegalArgumentException(sysmsgs.getMessage(
                            "invalid.range", minVar, maxVar));
                }

                if (!GenericValidator.isInRange(doubleValue, min, max)) {
                    errors.add(field.getKey(),
                        Resources.getActionMessage(validator, request, va, field));

                    return false;
                }
            }
        } catch (Exception e) {
            processFailure(errors, field, validator.getFormName(), "doubleRange", e);

            return false;
        }

        return true;
    }

    /**
     * Checks if a fields value is within a range (min &amp; max specified in
     * the vars attribute).
     *
     * @param bean      The bean validation is being performed on.
     * @param va        The <code>ValidatorAction</code> that is currently
     *                  being performed.
     * @param field     The <code>Field</code> object associated with the
     *                  current field being validated.
     * @param errors    The <code>ActionMessages</code> object to add errors
     *                  to if any validation errors occur.
     * @param validator The <code>Validator</code> instance, used to access
     *                  other field values.
     * @param request   Current request object.
     * @return True if in range, false otherwise.
     */
    public static boolean validateFloatRange(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        String value = null;

        try {
            value = evaluateBean(bean, field);
            if (!GenericValidator.isBlankOrNull(value)) {
                String minVar =
                    Resources.getVarValue("min", field, validator, request, true);
                String maxVar =
                    Resources.getVarValue("max", field, validator, request, true);
                float floatValue = Float.parseFloat(value);
                float min = Float.parseFloat(minVar);