2 * ============LICENSE_START====================================================
4 * ===========================================================================
5 * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
6 * ===========================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END====================================================
22 package org.onap.aaf.cadi.util;
26 * Take a Fully Qualified User, and get a Namespace from it.
30 public final static String reverseDomain(final String fqi) {
31 StringBuilder sb = null;
32 String[] split = Split.split('.',fqi);
34 for (int i=split.length-1;i>=0;--i) {
36 sb = new StringBuilder();
41 if ((at = split[i].indexOf('@'))>0) {
42 sb.append(split[i].subSequence(at+1, split[i].length()));
48 return sb==null?"":sb.toString();