2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.openflowplugin.extension.vendor.nicira.convertor;
10 import com.google.common.base.Splitter;
11 import com.google.common.collect.Lists;
12 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
14 import java.util.List;
15 import java.util.ListIterator;
21 public final class IpConverter {
23 public static long Ipv4AddressToLong(Ipv4Address ipv4Address) {
25 Iterable<String> splitted = Splitter.on('.')
28 .split(ipv4Address.getValue());
30 List<String> splittedAddress = Lists.newArrayList(splitted.iterator());
31 int maxIndex = splittedAddress.size() - 1;
32 ListIterator<String> listIter = splittedAddress.listIterator();
33 while(listIter.hasNext()) {
34 String current = listIter.next();
35 int i = splittedAddress.indexOf(current);
36 result |= (Long.parseLong(current) << ((maxIndex-i) * 8));
38 return result & 0xFFFFFFFF;
41 public static Ipv4Address longToIpv4Address(long ip) {
43 StringBuilder sb = new StringBuilder(15);
44 for (int i = 0; i < 4; i++) {
45 sb.insert(0, Long.toString(tmpIp & 0xff));
51 return new Ipv4Address(sb.toString());