001/*
002 * (C) Copyright 2011-2013 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     tdelprat
018 *
019 */
020package org.nuxeo.wizard.helpers;
021
022/**
023 * Simple RegExp based Number validator
024 *
025 * @author Tiry (tdelprat@nuxeo.com)
026 * @since 5.4.2
027 */
028public class NumberValidator {
029
030    public static synchronized boolean validate(String ip) {
031        try {
032            Long.valueOf(ip);
033        } catch (NumberFormatException e) {
034            return false;
035        }
036        return true;
037    }
038}