fieldchecks.java

jakarta-struts-1.2.4-src

            return Boolean.TRUE;
        }

        result = GenericTypeValidator.formatShort(value);

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

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


    /**
     * Checks if the field can safely be converted to an int 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  request  Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateInteger(Object bean,
                                          ValidatorAction va, Field field,
                                          ActionMessages errors,
                                          HttpServletRequest request) {
        Object result = null;
        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

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

        result = GenericTypeValidator.formatInt(value);

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

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


    /**
     * Checks if the field can safely be converted to a long 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  request  Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateLong(Object bean,
                                    ValidatorAction va, Field field,
                                    ActionMessages errors,
                                    HttpServletRequest request) {
        Object result = null;
        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

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

        result = GenericTypeValidator.formatLong(value);

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

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


    /**
     * Checks if the field can safely be converted to a float 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  request  Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateFloat(Object bean,
                                      ValidatorAction va, Field field,
                                      ActionMessages errors,
                                      HttpServletRequest request) {
        Object result = null;
        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

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

        result = GenericTypeValidator.formatFloat(value);

        if (result == null) {
            errors.add(field.getKey(), Resources.getActionMessage(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  request  Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateDouble(Object bean,
                                        ValidatorAction va, Field field,
                                        ActionMessages errors,
                                        HttpServletRequest request) {
        Object result = null;
        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

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

        result = GenericTypeValidator.formatDouble(value);

        if (result == null) {
            errors.add(field.getKey(), Resources.getActionMessage(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  request  Current request object.
     * @return true if valid, false otherwise.
     */
    public static Object validateDate(Object bean,
                                    ValidatorAction va, Field field,
                                    ActionMessages errors,
                                    HttpServletRequest request) {

        Object result = null;
        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }
        String datePattern = field.getVarValue("datePattern");
        String datePatternStrict = field.getVarValue("datePatternStrict");
        Locale locale = RequestUtils.getUserLocale(request, null);

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

        try {
            if (datePattern != null && datePattern.length() > 0) {
                result = GenericTypeValidator.formatDate(value, datePattern, false);
            } else if (datePatternStrict != null && datePatternStrict.length() > 0) {
                result = GenericTypeValidator.formatDate(value, datePatternStrict, true);
            } else {
                result = GenericTypeValidator.formatDate(value, locale);
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
        }

        if (result == null) {
            errors.add(field.getKey(), Resources.getActionMessage(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  request  Current request object.
     * @return True if in range, false otherwise.
     */
    public static boolean validateIntRange(Object bean,
                                           ValidatorAction va, Field field,
                                           ActionMessages errors,
                                           HttpServletRequest request) {

        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

        if (!GenericValidator.isBlankOrNull(value)) {
            try {
                int intValue = Integer.parseInt(value);
                int min = Integer.parseInt(field.getVarValue("min"));
                int max = Integer.parseInt(field.getVarValue("max"));

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

                    return false;
                }
            } catch (Exception e) {
                errors.add(field.getKey(), Resources.getActionMessage(request, va, field));
                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  request  Current request object.
     * @return          True if in range, false otherwise.
     */
    public static boolean validateDoubleRange(Object bean,
                                              ValidatorAction va, Field field,
                                              ActionMessages errors,
                                              HttpServletRequest request) {

        String value = null;
        if (isString(bean)) {
            value = (String) bean;
        } else {
            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

        if (!GenericValidator.isBlankOrNull(value)) {
            try {
                double doubleValue = Double.parseDouble(value);
                double min = Double.parseDouble(field.getVarValue("min"));
                double max = Double.parseDouble(field.getVarValue("max"));

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

                    return false;
                }
            } catch (Exception e) {
                errors.add(field.getKey(), Resources.getActionMessage(request, va, field));
                return false;
            }
        }

        return true;
    }

    /**