1 /*******************************************************************************
\r
2 * ============LICENSE_START==================================================
\r
4 * * ===========================================================================
\r
5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
\r
6 * * ===========================================================================
\r
7 * * Licensed under the Apache License, Version 2.0 (the "License");
\r
8 * * you may not use this file except in compliance with the License.
\r
9 * * You may obtain a copy of the License at
\r
11 * * http://www.apache.org/licenses/LICENSE-2.0
\r
13 * * Unless required by applicable law or agreed to in writing, software
\r
14 * * distributed under the License is distributed on an "AS IS" BASIS,
\r
15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\r
16 * * See the License for the specific language governing permissions and
\r
17 * * limitations under the License.
\r
18 * * ============LICENSE_END====================================================
\r
20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
\r
22 ******************************************************************************/
\r
25 package org.onap.dmaap.datarouter.provisioning.utils;
\r
27 import java.net.InetAddress;
\r
28 import java.net.UnknownHostException;
\r
29 import java.util.Collection;
\r
32 * Some utility functions used when creating/validating JSON.
\r
34 * @author Robert Eby
\r
35 * @version $Id: JSONUtilities.java,v 1.1 2013/04/26 21:00:26 eby Exp $
\r
37 public class JSONUtilities {
\r
39 * Does the String <i>v</i> represent a valid Internet address (with or without a
\r
40 * mask length appended).
\r
41 * @param v the string to check
\r
42 * @return true if valid, false otherwise
\r
44 public static boolean validIPAddrOrSubnet(String v) {
\r
45 String[] pp = { v, "" };
\r
46 if (v.indexOf('/') > 0)
\r
49 InetAddress addr = InetAddress.getByName(pp[0]);
\r
50 if (pp[1].length() > 0) {
\r
51 // check subnet mask
\r
52 int mask = Integer.parseInt(pp[1]);
\r
53 if (mask > (addr.getAddress().length * 8))
\r
57 } catch (UnknownHostException e) {
\r
62 * Build a JSON array from a collection of Strings.
\r
63 * @param coll the collection
\r
64 * @return a String containing a JSON array
\r
66 public static String createJSONArray(Collection<String> coll) {
\r
67 StringBuilder sb = new StringBuilder("[");
\r
69 for (String t : coll) {
\r
70 sb.append(pfx).append(" \"").append(t).append("\"");
\r
74 return sb.toString();
\r