validationhelper.java

jetspeed源代码

        if (StringUtils.isEmpty(evalString))
        {
            if (true == required)
            {
                return false;
            }
            return true;
        }
        Perl5Util util = new Perl5Util();
        return util.match("/^\\d+$/", evalString);
    }
    
    public static boolean isInteger(String evalString, boolean required, int maxLength)
    {
        if (isTooLong(evalString, maxLength))
        {
            return false;
        }
        return isInteger(evalString, required);
    }

    /**
     * Tests that the input string contains a valid email addess
     * <P>
     * @param evalString The string that is to be evaluated
     * @return True if the input is a valid email address.
     **/
    public static boolean isEmailAddress(String evalString, boolean required)
    {
        if (StringUtils.isEmpty(evalString))
        {
            if (true == required)
            {
                return false;
            }
            return true;
        }
        Perl5Util util = new Perl5Util();
        return util.match("/^(?:\\w[\\w-]*\\.)*\\w[\\w-]*@(?:\\w[\\w-]*\\.)+\\w[\\w-]*$/", evalString);
    }
    
    public static boolean isEmailAddress(String evalString, boolean required, int maxLength)
    {
        if (isTooLong(evalString, maxLength))
        {
            return false;
        }
        return isEmailAddress(evalString, required);
    }
    
    /**
     * Tests that the input string contains a valid URL
     * <P>
     * @param evalString The string that is to be evaluated
     * @return True if the input is a valid URL.
     **/
    public static boolean isURL(String evalString, boolean required)
    {
        try
        {
            if (StringUtils.isEmpty(evalString))
            {
                if (true == required)
                {
                    return false;
                }
                return true;
            }
            
            URL url = new URL(evalString);

            /*
            Perl5Util util = new Perl5Util();
            System.out.println("looking at " +evalString);
            return util.match("/^[\\w%?-_~]$/", evalString);
             */
            //Object content = url.getContent();
            //System.out.println("url contains :["+content+"]");
            return true;
        }
        catch (Exception e)
        {
            System.err.println(evalString+" is not a valid URL: "+ e);
            return false;
        }
    }

    public static boolean isURL(String evalString, boolean required, int maxLength)
    {
        if (isTooLong(evalString, maxLength))
        {
            return false;
        }
        return isURL(evalString, required);
    }

    public static boolean isValidIdentifier(String folderName)
    {
        boolean valid = true;

        char[] chars = folderName.toCharArray();
        for (int ix = 0; ix < chars.length; ix++)
        {
            if (!Character.isJavaIdentifierPart(chars[ix]))
            {
                valid = false; 
                break;
            }
        }
        return valid;
    }

    public static boolean isTooLong(String evalString, int maxLength)
    {
        if (null != evalString)
        {
            return (evalString.length() > maxLength);
        }
        return false;
    }

}