Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * jPOS Project [http://jpos.org]
 * Copyright (C) 2000-2012 Alejandro P. Revilla
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Return true if the string is alphanum.
     * <code>{letter digit (.) (_) (-) ( ) (?) }</code>
     * 
     **/
    public static boolean isAlphaNumeric(String s) {
        int i = 0, len = s.length();
        while (i < len && (Character.isLetterOrDigit(s.charAt(i)) || s.charAt(i) == ' ' || s.charAt(i) == '.'
                || s.charAt(i) == '-' || s.charAt(i) == '_') || s.charAt(i) == '?') {
            i++;
        }
        return (i >= len);
    }
}