1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19
20 package org.apache.myfaces.tobago.internal.util;
21
22 public class NumberUtils {
23 public static boolean isDigits(final String str) {
24 if ((str == null) || (str.length() == 0)) {
25 return false;
26 }
27 for (int i = 0; i < str.length(); i++) {
28 if (!Character.isDigit(str.charAt(i))) {
29 return false;
30 }
31 }
32 return true;
33 }
34 }