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, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.apache.hadoop.hbase.util.number;
20
21 import java.text.DecimalFormat;
22
23 public class NumberFormatter {
24
25 public static String addCommas(final Number pValue) {
26 if (pValue == null) {
27 return null;
28 }
29 String format = "###,###,###,###,###,###,###,###.#####################";
30 return new DecimalFormat(format).format(pValue);// biggest is 19 digits
31 }
32
33 }