| /* |
| * 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.d.config; |
| |
| import java.util.Collection; |
| import java.util.Optional; |
| |
| import org.onosproject.yang.model.DataNode; |
| import org.onosproject.yang.model.InnerNode; |
| import org.onosproject.yang.model.NodeKey; |
| import org.onosproject.yang.model.SchemaId; |
| |
| import com.google.common.annotations.Beta; |
| import com.google.common.collect.ImmutableList; |
| |
| /** |
| * Utility related to DataNode. |
| */ |
| @Beta |
| public abstract class DataNodes { |
| |
| // TODO it might make sense to turn these into DataNode methods |
| |
| // should avoid using this. use other child methods |
| @Deprecated |
| public static Optional<DataNode> childOnlyByName(DataNode node, String name) { |
| if (node instanceof InnerNode) { |
| InnerNode inode = (InnerNode) node; |
| return inode.childNodes().values().stream() |
| .filter(dn -> dn.key().schemaId().name().equals(name)) |
| .findFirst(); |
| } else { |
| return Optional.empty(); |
| } |
| } |
| |
| public static Optional<DataNode> child(DataNode node, String name, String namespace) { |
| if (node instanceof InnerNode) { |
| InnerNode inode = (InnerNode) node; |
| NodeKey<?> key = NodeKey.builder().schemaId(name, namespace).build(); |
| return Optional.ofNullable(inode.childNodes().get(key)); |
| } else { |
| return Optional.empty(); |
| } |
| } |
| |
| public static Optional<DataNode> child(DataNode node, SchemaId child) { |
| if (node instanceof InnerNode) { |
| InnerNode inode = (InnerNode) node; |
| NodeKey<?> key = NodeKey.builder().schemaId(child).build(); |
| return Optional.ofNullable(inode.childNodes().get(key)); |
| } else { |
| return Optional.empty(); |
| } |
| } |
| |
| public static Optional<DataNode> child(DataNode node, NodeKey<?> child) { |
| if (node instanceof InnerNode) { |
| InnerNode inode = (InnerNode) node; |
| return Optional.ofNullable(inode.childNodes().get(child)); |
| } else { |
| return Optional.empty(); |
| } |
| } |
| |
| public static Collection<DataNode> children(DataNode node) { |
| if (node instanceof InnerNode) { |
| InnerNode inode = (InnerNode) node; |
| return inode.childNodes().values(); |
| } else { |
| return ImmutableList.of(); |
| } |
| } |
| |
| } |