| /* |
| * Copyright 2016-present 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.net.resource; |
| |
| import com.google.common.annotations.Beta; |
| import org.onlab.packet.MplsLabel; |
| |
| import java.util.Optional; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * Codec for MplsLabel. |
| */ |
| @Beta |
| public final class MplsCodec implements DiscreteResourceCodec { |
| @Override |
| public int encode(DiscreteResource resource) { |
| Optional<MplsLabel> mpls = resource.valueAs(MplsLabel.class); |
| checkArgument(mpls.isPresent()); |
| return mpls.map(MplsLabel::toInt).get(); |
| } |
| |
| @Override |
| public DiscreteResource decode(DiscreteResourceId parent, int value) { |
| return Resources.discrete(parent, MplsLabel.mplsLabel(value)).resource(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } |
| |
| if (obj == null || getClass() != obj.getClass()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return MplsCodec.class.hashCode(); |
| } |
| } |