rohitsharan | a127ba8 | 2018-01-16 02:17:30 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.net.behaviour; |
| 17 | |
| 18 | |
| 19 | import java.util.ArrayList; |
| 20 | import java.util.Arrays; |
| 21 | import java.util.List; |
| 22 | import java.util.stream.Collectors; |
| 23 | |
| 24 | public enum ControlProtocolVersion { |
| 25 | OF_1_0("OpenFlow10"), |
| 26 | OF_1_1("OpenFlow11"), |
| 27 | OF_1_2("OpenFlow12"), |
| 28 | OF_1_3("OpenFlow13"), |
| 29 | OF_1_4("OpenFlow14"), |
| 30 | OF_1_5("OpenFlow15"); |
| 31 | |
| 32 | private final String versionString; |
| 33 | |
| 34 | /** |
| 35 | * Creates the enum from a string representing the control protoocol version. |
| 36 | * |
| 37 | * @param versionString the text representing the control protocol version. |
| 38 | */ |
| 39 | ControlProtocolVersion(final String versionString) { |
| 40 | this.versionString = versionString; |
| 41 | } |
| 42 | |
| 43 | @Override |
| 44 | public String toString() { |
| 45 | return versionString; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Returns a list of control protocol version string values. |
| 50 | * |
| 51 | * @return the list of string values corresponding to the enums |
| 52 | */ |
| 53 | public static List<String> toStringList() { |
| 54 | return Arrays.stream(values()) |
| 55 | .map(ControlProtocolVersion::toString) |
| 56 | .collect(Collectors.toCollection(ArrayList::new)); |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Alternative method to valueOf. It returns the ControlProtocolVersion type |
| 61 | * corresponding to the given string. If the parameter does not match a |
| 62 | * constant name, or is null, null is returned. |
| 63 | * |
| 64 | * @param versionString the string representing the encapsulation type |
| 65 | * @return the EncapsulationType constant corresponding to the string given |
| 66 | */ |
| 67 | public static ControlProtocolVersion enumFromString(String versionString) { |
| 68 | if (versionString != null && !versionString.isEmpty()) { |
| 69 | for (ControlProtocolVersion c : values()) { |
| 70 | if (versionString.equalsIgnoreCase(c.toString())) { |
| 71 | return c; |
| 72 | } |
| 73 | } |
| 74 | } |
| 75 | return null; |
| 76 | } |
| 77 | |
| 78 | } |