2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.impl.schema.transform.base.parser;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.Iterables;
13 import org.opendaylight.yangtools.yang.common.QName;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
16 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
17 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
18 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
19 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeBuilder;
20 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
23 * Abstract(base) parser for LeafSetEntryNodes, parses elements of type E.
25 * @param <E> type of elements to be parsed
27 public abstract class LeafSetEntryNodeBaseParser<E> implements ExtensibleParser<YangInstanceIdentifier.NodeWithValue, E, LeafSetEntryNode<?>, LeafListSchemaNode> {
29 private final BuildingStrategy<YangInstanceIdentifier.NodeWithValue, LeafSetEntryNode<?>> buildingStrategy;
31 public LeafSetEntryNodeBaseParser() {
32 buildingStrategy = new SimpleLeafSetEntryBuildingStrategy();
35 public LeafSetEntryNodeBaseParser(final BuildingStrategy<YangInstanceIdentifier.NodeWithValue, LeafSetEntryNode<?>> buildingStrategy) {
36 this.buildingStrategy = buildingStrategy;
39 @SuppressWarnings("unchecked")
41 public final LeafSetEntryNode<?> parse(Iterable<E> elements, LeafListSchemaNode schema) {
42 final int size = Iterables.size(elements);
43 Preconditions.checkArgument(size == 1, "Xml elements mapped to leaf node illegal count: %s", size);
45 final E e = elements.iterator().next();
46 Object value = parseLeafListEntry(e,schema);
48 NormalizedNodeAttrBuilder<YangInstanceIdentifier.NodeWithValue, Object, LeafSetEntryNode<Object>> leafEntryBuilder = Builders
49 .leafSetEntryBuilder(schema);
50 leafEntryBuilder.withAttributes(getAttributes(e));
51 leafEntryBuilder.withValue(value);
53 final BuildingStrategy rawBuildingStrat = buildingStrategy;
54 return (LeafSetEntryNode<?>) rawBuildingStrat.build(leafEntryBuilder);
58 public BuildingStrategy<NodeWithValue, LeafSetEntryNode<?>> getBuildingStrategy() {
59 return buildingStrategy;
64 * Parse the inner value of a LeafSetEntryNode from element of type E.
66 * @param element to be parsed
67 * @param schema schema for leaf-list
68 * @return parsed element as an Object
70 protected abstract Object parseLeafListEntry(E element, LeafListSchemaNode schema);
74 * @param e element to be parsed
75 * @return attributes mapped to QNames
77 protected abstract Map<QName, String> getAttributes(E e);
79 public static class SimpleLeafSetEntryBuildingStrategy implements BuildingStrategy<YangInstanceIdentifier.NodeWithValue, LeafSetEntryNode<?>> {
82 public LeafSetEntryNode<?> build(final NormalizedNodeBuilder<NodeWithValue, ?, LeafSetEntryNode<?>> builder) {
83 return builder.build();
87 public void prepareAttributes(final Map<QName, String> attributes, final NormalizedNodeBuilder<NodeWithValue, ?, LeafSetEntryNode<?>> containerBuilder) {