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.impl.codec.xml;
11 import java.io.IOException;
12 import java.util.Collections;
14 import javax.annotation.Nonnull;
15 import javax.xml.stream.XMLStreamException;
16 import javax.xml.stream.XMLStreamWriter;
17 import org.opendaylight.yangtools.yang.common.QName;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
21 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
22 import org.opendaylight.yangtools.yang.data.impl.codec.SchemaTracker;
23 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
27 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
28 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
29 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
30 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
32 final class SchemaAwareXMLStreamNormalizedNodeStreamWriter extends XMLStreamNormalizedNodeStreamWriter<SchemaNode> {
33 private final SchemaTracker tracker;
34 private final XmlStreamUtils streamUtils;
36 private SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer,
37 final SchemaContext context, final SchemaPath path) {
39 this.tracker = SchemaTracker.create(context, path);
40 this.streamUtils = XmlStreamUtils.create(XmlUtils.DEFAULT_XML_CODEC_PROVIDER, context);
43 static NormalizedNodeStreamWriter newInstance(final XMLStreamWriter writer, final SchemaContext context,
44 final SchemaPath path) {
45 return new SchemaAwareXMLStreamNormalizedNodeStreamWriter(writer, context, path);
49 protected void writeValue(final XMLStreamWriter xmlWriter, final QName qname, @Nonnull final Object value,
50 final SchemaNode schemaNode) throws IOException, XMLStreamException {
51 streamUtils.writeValue(xmlWriter, schemaNode, value, qname.getModule());
55 protected void startList(final NodeIdentifier name) {
56 tracker.startList(name);
60 protected void startListItem(final PathArgument name) throws IOException {
61 tracker.startListItem(name);
62 startElement(name.getNodeType());
66 protected void endNode(final XMLStreamWriter xmlWriter) throws IOException, XMLStreamException {
67 final Object schema = tracker.endNode();
68 if (schema instanceof ListSchemaNode) {
69 // For lists, we only emit end element on the inner frame
70 final Object parent = tracker.getParent();
71 if (parent == schema) {
72 xmlWriter.writeEndElement();
74 } else if (schema instanceof ContainerSchemaNode) {
75 // Emit container end element
76 xmlWriter.writeEndElement();
81 public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
82 final LeafSchemaNode schema = tracker.leafNode(name);
83 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
87 public void leafNode(NodeIdentifier name, Object value, Map<QName, String> attributes) throws IOException {
88 final LeafSchemaNode schema = tracker.leafNode(name);
89 writeElement(schema.getQName(), value, attributes, schema);
93 public void leafSetEntryNode(final QName name, final Object value, final Map<QName, String> attributes)
95 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
96 writeElement(schema.getQName(), value, attributes, schema);
100 public void leafSetEntryNode(final QName name, final Object value) throws IOException {
101 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
102 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
105 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
106 tracker.startLeafSet(name);
110 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
111 tracker.startLeafSet(name);
115 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
116 final SchemaNode schema = tracker.startContainerNode(name);
117 startElement(schema.getQName());
121 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
122 tracker.startChoiceNode(name);
126 public void startAugmentationNode(final AugmentationIdentifier identifier) {
127 tracker.startAugmentationNode(identifier);
131 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
132 final SchemaNode schema = tracker.startYangModeledAnyXmlNode(name);
133 startElement(schema.getQName());
137 public void anyxmlNode(final NodeIdentifier name, final Object value) throws IOException {
138 final AnyXmlSchemaNode schema = tracker.anyxmlNode(name);
139 anyxmlNode(schema.getQName(), value);