| /* |
| * 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.protobuf.models.net; |
| |
| import org.onosproject.net.Annotations; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.SparseAnnotations; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * gRPC message conversion related utilities for annotations service. |
| */ |
| public final class AnnotationsTranslator { |
| |
| private static final Logger log = LoggerFactory.getLogger(AnnotationsTranslator.class); |
| |
| /** |
| * Converts Annotations to Map of Strings. |
| * |
| * @param annotations {@link Annotations} |
| * @return Map of annotation key and values |
| */ |
| public static Map<String, String> asMap(Annotations annotations) { |
| if (annotations instanceof DefaultAnnotations) { |
| return ((DefaultAnnotations) annotations).asMap(); |
| } |
| Map<String, String> map = new HashMap<>(); |
| annotations.keys() |
| .forEach(k -> map.put(k, annotations.value(k))); |
| |
| return map; |
| } |
| |
| /** |
| * Converts Map of Strings to {@link SparseAnnotations}. |
| * |
| * @param annotations Map of annotation key and values |
| * @return {@link SparseAnnotations} |
| */ |
| public static SparseAnnotations asAnnotations(Map<String, String> annotations) { |
| DefaultAnnotations.Builder builder = DefaultAnnotations.builder(); |
| annotations.entrySet().forEach(e -> { |
| if (e.getValue() != null) { |
| builder.set(e.getKey(), e.getValue()); |
| } else { |
| builder.remove(e.getKey()); |
| } |
| }); |
| return builder.build(); |
| } |
| |
| // Utility class not intended for instantiation. |
| private AnnotationsTranslator() {} |
| } |