| /* |
| * Copyright 2014 Open Networking Laboratory |
| * |
| * 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.cli.net; |
| |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.IPv6; |
| |
| /** |
| * Known protocol values for IP protocol field that can be supplied to the CLI. |
| */ |
| public enum IpProtocol { |
| /** ICMP. **/ |
| ICMP(IPv4.PROTOCOL_ICMP), |
| /** TCP. **/ |
| TCP(IPv4.PROTOCOL_TCP), |
| /** UDP. **/ |
| UDP(IPv4.PROTOCOL_UDP), |
| /** ICMP6. **/ |
| ICMP6(IPv6.PROTOCOL_ICMP6); |
| |
| private short value; |
| |
| /** |
| * Constructs an IpProtocol with the given value. |
| * |
| * @param value value to use when this IpProtocol is seen |
| */ |
| private IpProtocol(short value) { |
| this.value = value; |
| } |
| |
| /** |
| * Gets the value to use for this IpProtocol. |
| * |
| * @return short value to use for this IpProtocol |
| */ |
| public short value() { |
| return this.value; |
| } |
| |
| /** |
| * Parse a string input that could contain an IpProtocol value. The value |
| * may appear in the string either as a known protocol name (one of the |
| * values of this enum), or a numeric protocol value. |
| * |
| * @param input the input string to parse |
| * @return the numeric value of the parsed IP protocol |
| * @throws IllegalArgumentException if the input string does not contain a |
| * value that can be parsed into an IP protocol |
| */ |
| public static short parseFromString(String input) { |
| try { |
| return valueOf(input).value(); |
| } catch (IllegalArgumentException e) { |
| // The input is not a known IP protocol name, let's see if it's an IP |
| // protocol value (byte). We parse with Short to handle unsigned values |
| // correctly. |
| try { |
| return Short.parseShort(input); |
| } catch (NumberFormatException e1) { |
| throw new IllegalArgumentException( |
| "IpProtocol value must be either a string protocol name" |
| + " or an 8-bit protocol value"); |
| } |
| } |
| } |
| } |