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.checkState;
12 import static java.util.Objects.requireNonNull;
14 import java.io.IOException;
15 import javax.xml.stream.XMLStreamException;
16 import javax.xml.stream.XMLStreamWriter;
17 import javax.xml.transform.dom.DOMSource;
18 import org.eclipse.jdt.annotation.NonNull;
19 import org.opendaylight.yangtools.rfc7952.model.api.AnnotationSchemaNode;
20 import org.opendaylight.yangtools.yang.common.AnnotationName;
21 import org.opendaylight.yangtools.yang.common.QName;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
25 import org.opendaylight.yangtools.yang.data.util.NormalizedNodeStreamWriterStack;
26 import org.opendaylight.yangtools.yang.model.api.AnydataSchemaNode;
27 import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
28 import org.opendaylight.yangtools.yang.model.api.ContainerLike;
29 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
30 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
31 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
32 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
33 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
34 import org.opendaylight.yangtools.yang.model.api.TypedDataSchemaNode;
35 import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
37 final class SchemaAwareXMLStreamNormalizedNodeStreamWriter
38 extends XMLStreamNormalizedNodeStreamWriter<TypedDataSchemaNode> {
39 private final NormalizedNodeStreamWriterStack tracker;
40 private final SchemaAwareXMLStreamWriterUtils streamUtils;
42 private SchemaAwareXMLStreamNormalizedNodeStreamWriter(final PreferredPrefixes pref, final XMLStreamWriter writer,
43 final EffectiveModelContext modelContext, final NormalizedNodeStreamWriterStack tracker) {
45 this.tracker = requireNonNull(tracker);
46 streamUtils = new SchemaAwareXMLStreamWriterUtils(modelContext, pref);
49 SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer,
50 final EffectiveModelContext modelContext, final NormalizedNodeStreamWriterStack tracker) {
51 this(new PreferredPrefixes.Shared(modelContext), writer, modelContext, tracker);
55 String encodeValue(final ValueWriter xmlWriter, final Object value, final TypedDataSchemaNode schemaNode)
56 throws XMLStreamException {
57 return streamUtils.encodeValue(xmlWriter, resolveType(schemaNode.getType()), value,
58 schemaNode.getQName().getModule());
62 String encodeAnnotationValue(final ValueWriter xmlWriter, final QName qname, final Object value)
63 throws XMLStreamException {
64 final var optAnnotation = AnnotationSchemaNode.find(streamUtils.modelContext(), new AnnotationName(qname));
65 if (optAnnotation.isPresent()) {
66 return streamUtils.encodeValue(xmlWriter, resolveType(optAnnotation.orElseThrow().getType()), value,
70 if (qname.getRevision().isPresent()) {
71 throw new IllegalArgumentException("Failed to find bound annotation " + qname);
73 if (value instanceof String str) {
76 throw new IllegalArgumentException("Invalid non-string value " + value + " for unbound annotation " + qname);
80 void startList(final NodeIdentifier name) {
81 tracker.startList(name);
85 void startListItem(final PathArgument name) throws IOException {
86 tracker.startListItem(name);
87 startElement(name.getNodeType());
91 public void endNode() throws IOException {
92 final Object schema = tracker.endNode();
93 if (schema instanceof ListSchemaNode || schema instanceof LeafListSchemaNode) {
94 // For lists, we only emit end element on the inner frame
95 final Object parent = tracker.getParent();
96 if (parent == schema) {
99 } else if (schema instanceof ContainerLike || schema instanceof LeafSchemaNode
100 || schema instanceof AnydataSchemaNode || schema instanceof AnyxmlSchemaNode) {
106 public void startLeafNode(final NodeIdentifier name) throws IOException {
107 tracker.startLeafNode(name);
108 startElement(name.getNodeType());
112 public void startLeafSetEntryNode(final NodeWithValue<?> name) throws IOException {
113 tracker.startLeafSetEntryNode(name);
114 startElement(name.getNodeType());
118 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
119 tracker.startLeafSet(name);
123 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
124 tracker.startLeafSet(name);
128 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
129 tracker.startContainerNode(name);
130 startElement(name.getNodeType());
134 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
135 tracker.startChoiceNode(name);
139 public boolean startAnyxmlNode(final NodeIdentifier name, final Class<?> objectModel) throws IOException {
140 if (DOMSource.class.isAssignableFrom(objectModel)) {
141 tracker.startAnyxmlNode(name);
142 startElement(name.getNodeType());
149 public void scalarValue(final Object value) throws IOException {
150 final Object current = tracker.getParent();
151 if (current instanceof TypedDataSchemaNode typedSchema) {
152 writeValue(value, typedSchema);
153 } else if (current instanceof AnydataSchemaNode) {
156 throw new IllegalStateException("Unexpected scalar value " + value + " with " + current);
161 public void domSourceValue(final DOMSource value) throws IOException {
162 final Object current = tracker.getParent();
163 checkState(current instanceof AnyxmlSchemaNode, "Unexpected value %s with %s", value, current);
168 void startAnydata(final NodeIdentifier name) {
169 tracker.startAnydataNode(name);
172 private @NonNull TypeDefinition<?> resolveType(final @NonNull TypeDefinition<?> type) throws XMLStreamException {
173 if (type instanceof LeafrefTypeDefinition leafref) {
175 return tracker.resolveLeafref(leafref);
176 } catch (IllegalArgumentException e) {
177 throw new XMLStreamException("Cannot resolve type " + type, e);