fieldchecks.java

ActionServlet源码 struts的一个步骤都有 知道本来有视频的太大了 就没有上传了

            value = ValidatorUtils.getValueAsString(bean, field.getProperty());
        }

        return value;
    }

    /**
     * Checks if the field can safely be converted to a short 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 validateShort(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

        result = GenericTypeValidator.formatShort(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 short 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 validateShortLocale(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

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

        result = GenericTypeValidator.formatShort(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 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 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 validateInteger(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

        result = GenericTypeValidator.formatInt(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 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 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 validateIntegerLocale(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

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

        result = GenericTypeValidator.formatInt(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 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 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 validateLong(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

        result = GenericTypeValidator.formatLong(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 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 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 validateLongLocale(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

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

        result = GenericTypeValidator.formatLong(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 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 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 validateFloat(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

        result = GenericTypeValidator.formatFloat(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 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 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 validateFloatLocale(Object bean, ValidatorAction va,
        Field field, ActionMessages errors, Validator validator,
        HttpServletRequest request) {
        Object result = null;
        String value = null;

        value = evaluateBean(bean, field);

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

        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;

        value = evaluateBean(bean, field);

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