2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
3 * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
5 * This program and the accompanying materials are made available under the
6 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
7 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.yangtools.yang.data.codec.xml;
11 import static com.google.common.base.Preconditions.checkArgument;
12 import static com.google.common.base.Preconditions.checkState;
13 import static java.util.Objects.requireNonNull;
15 import java.io.IOException;
16 import java.util.Optional;
17 import javax.xml.stream.XMLStreamException;
18 import javax.xml.stream.XMLStreamWriter;
19 import javax.xml.transform.dom.DOMSource;
20 import org.opendaylight.yangtools.rfc7952.model.api.AnnotationSchemaNode;
21 import org.opendaylight.yangtools.yang.common.QName;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
26 import org.opendaylight.yangtools.yang.data.impl.codec.SchemaTracker;
27 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
28 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
29 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
30 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
31 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
32 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
33 import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
34 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
36 final class SchemaAwareXMLStreamNormalizedNodeStreamWriter extends XMLStreamNormalizedNodeStreamWriter<SchemaNode>
37 implements SchemaContextProvider {
38 private final SchemaTracker tracker;
39 private final SchemaAwareXMLStreamWriterUtils streamUtils;
41 SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer, final SchemaContext context,
42 final SchemaTracker tracker) {
44 this.tracker = requireNonNull(tracker);
45 this.streamUtils = new SchemaAwareXMLStreamWriterUtils(context);
49 String encodeValue(final ValueWriter xmlWriter, final Object value, final SchemaNode schemaNode)
50 throws XMLStreamException {
51 return streamUtils.encodeValue(xmlWriter, schemaNode, value, schemaNode.getQName().getModule());
55 String encodeAnnotationValue(final ValueWriter xmlWriter, final QName qname, final Object value)
56 throws XMLStreamException {
57 final Optional<AnnotationSchemaNode> optAnnotation = AnnotationSchemaNode.find(streamUtils.getSchemaContext(),
59 if (optAnnotation.isPresent()) {
60 return streamUtils.encodeValue(xmlWriter, optAnnotation.get(), value, qname.getModule());
63 checkArgument(!qname.getRevision().isPresent(), "Failed to find bound annotation %s", qname);
64 checkArgument(value instanceof String, "Invalid non-string value %s for unbound annotation %s", value, qname);
65 return (String) value;
69 void startList(final NodeIdentifier name) {
70 tracker.startList(name);
74 void startListItem(final PathArgument name) throws IOException {
75 tracker.startListItem(name);
76 startElement(name.getNodeType());
80 public void endNode() throws IOException {
81 final Object schema = tracker.endNode();
82 if (schema instanceof ListSchemaNode || schema instanceof LeafListSchemaNode) {
83 // For lists, we only emit end element on the inner frame
84 final Object parent = tracker.getParent();
85 if (parent == schema) {
88 } else if (schema instanceof ContainerSchemaNode || schema instanceof LeafSchemaNode) {
94 public void startLeafNode(final NodeIdentifier name) throws IOException {
95 tracker.startLeafNode(name);
96 startElement(name.getNodeType());
100 public void startLeafSetEntryNode(final NodeWithValue<?> name) throws IOException {
101 tracker.startLeafSetEntryNode(name);
102 startElement(name.getNodeType());
106 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
107 tracker.startLeafSet(name);
111 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
112 tracker.startLeafSet(name);
116 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
117 final SchemaNode schema = tracker.startContainerNode(name);
118 startElement(schema.getQName());
122 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
123 tracker.startChoiceNode(name);
127 public void startAugmentationNode(final AugmentationIdentifier identifier) {
128 tracker.startAugmentationNode(identifier);
132 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
133 final SchemaNode schema = tracker.startYangModeledAnyXmlNode(name);
134 startElement(schema.getQName());
138 public void startAnyxmlNode(final NodeIdentifier name) throws IOException {
139 tracker.startAnyxmlNode(name);
140 startElement(name.getNodeType());
144 public SchemaContext getSchemaContext() {
145 return streamUtils.getSchemaContext();
149 public void scalarValue(final Object value) throws IOException {
150 final Object current = tracker.getParent();
151 checkState(current instanceof LeafSchemaNode || current instanceof LeafListSchemaNode,
152 "Unexpected scalar value %s with %s", value, current);
153 writeValue(value, (SchemaNode) current);
157 public void domSourceValue(final DOMSource value) throws IOException {
158 final Object current = tracker.getParent();
159 checkState(current instanceof AnyXmlSchemaNode, "Unexpected scala value %s with %s", value, current);