| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.incubator.net.l2monitoring.cfm.identifier; |
| |
| import org.onlab.util.Identifier; |
| |
| /** |
| * A representation of a Rfc2685VpnId identifier in Hexadecimal as an MA identifier. |
| */ |
| public final class MaIdRfc2685VpnId extends Identifier<String> implements MaIdShort { |
| private static final String VPNID_HEX_PATTERN = "([a-f|A-F|0-9]{2}:){6}[a-f|A-F|0-9]{2}"; |
| |
| protected MaIdRfc2685VpnId(String maNameHex) { |
| super(maNameHex); |
| } |
| |
| @Override |
| public String maName() { |
| return identifier; |
| } |
| |
| /** |
| * Identifier will be in the format aa:bb:cc:dd:ee:ff:11. |
| * Each pair of hex chars (and one colon) is one byte |
| * To get the length in bytes add 1 (extra colon) and divide by 3 |
| * @return name length in bytes |
| */ |
| @Override |
| public int getNameLength() { |
| return (identifier.length() + 1) / 3; |
| } |
| |
| @Override |
| public MaIdType nameType() { |
| return MaIdType.RFC2685VPNID; |
| } |
| |
| public static MaIdShort asMaIdHex(String hexString) { |
| if (hexString == null || !hexString.matches(VPNID_HEX_PATTERN)) { |
| throw new IllegalArgumentException("MA Name must follow pattern " + |
| VPNID_HEX_PATTERN + " Rejecting: " + hexString); |
| } |
| return new MaIdRfc2685VpnId(hexString.toLowerCase()); |
| } |
| } |