validationhelper.java

jetspeed源代码

/*
 * Copyright 2000-2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.jetspeed.util;

import org.apache.oro.text.perl.*;
//import java.util.regex.*;

import java.net.*;
import org.apache.commons.lang.StringUtils;

/**
 * <P>Data Validation functions using Regex</P>
 *
 * @author <a href="mailto:[e-mail]">Ben Woodward</a>
 * @author <a href="mailto:[e-mail]">David Sean Taylor</a>
 * @version $Id: ValidationHelper.java,v 1.4 2004/02/23 03:23:42 jford Exp $
 */
public class ValidationHelper
{
    //static string bigEmailRegex = new String("[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)*@[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)*|(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]*(?:(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[^()<>@,;:\".\\\\\\[\\]\\x80-\\xff\\000-\\010\\012-\\037]*)*<[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:@[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)*(?:,[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*@[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)*)*:[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)?(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\"[^\\\\\\x80-\\xff\\n\\015\"]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015\"]*)*\")[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*)*@[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:\\.[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\\)[\\040\\t]*)*(?:[^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff]+(?![^(\\040)<>@,;:\".\\\\\\[\\]\\000-\\037\\x80-\\xff])|\\[(?:[^\\\\\\x80-\\xff\\n\\015\\[\\]]|\\\\[^\\x80-\\xff])*\\])[\\040\\t]*(?:\\([^\\\\\\x80-\\xff\\n\\015()]*(?:(?:\\\\[^\\x80-\\xff]|\\([^\\\\\\x80-\\xff\\n\\015()]*(?:\\\\[^\\x80-\\xff][^\\\\\\x80-\\xff\\n\\015()]*)*\\))[^\\\\\\x80-\\xff\\n\\015()]*)*\)[\040\t]*)*)*>)");
    //static string emailRegex = new String("/^(([^\\-][\\w\\-]*?\\.?){1,})[^-](\\@{1})([^\\-][\\w+\\.\\-])[^\\2]{1,}[^\\-]$/");
    /**
     * Tests that the input string contains only alpha numeric or white spaces
     * <P>
     * @param evalString The string that is to be evaluated
     * @param required indicates whether the field is required or not
     * @return True if the input is alpha numeric, false otherwise.
     **/
    public static boolean isAlphaNumeric(String evalString, boolean required)
    {
        if (StringUtils.isEmpty(evalString))
        {
            if (true == required)
            {
                return false;
            }
            return true;
        }
        Perl5Util util = new Perl5Util();
        return util.match("/^[\\w\\s]+$/", evalString);
    }

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

    public static boolean isLooseAlphaNumeric(String evalString, boolean required)
    {
        if (StringUtils.isEmpty(evalString))
        {
            if (true == required)
            {
                return false;
            }
            return true;
        }
        Perl5Util util = new Perl5Util();
        return util.match("/^[\\w\\s\\.\\,\\/\\-\\(\\)\\+]+$/", evalString);
    }

    public static boolean isLooseAlphaNumeric(String evalString, boolean required, int maxLength)
    {
        if (isTooLong(evalString, maxLength))
        {
            return false;
        }
        return isLooseAlphaNumeric(evalString, required);
    }
        
    /**
     * Tests that the input string contains only numeric
     * <P>
     * @param evalString The string that is to be evaluated
     * @return True if the input is numeric, false otherwise.
     **/
    public static boolean isDecimal(String evalString, boolean required)
    {
        if (StringUtils.isEmpty(evalString))
        {
            if (true == required)
            {
                return false;
            }
            return true;
        }
        Perl5Util util = new Perl5Util();
        return util.match("/^(\\d+\\.)?\\d+$/", evalString);
    }
    
    public static boolean isDecimal(String evalString, boolean required, int maxLength)
    {
        if (isTooLong(evalString, maxLength))
        {
            return false;
        }
        return isDecimal(evalString, required);
    }

    /**
     * Tests that the input string contains only an integer
     * <P>
     * @param evalString The string that is to be evaluated
     * @return True if the input is numeric, false otherwise.
     **/
    public static boolean isInteger (String evalString, boolean required)
    {