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.xml.stream.XMLStreamException;
15 import javax.xml.stream.XMLStreamWriter;
16 import org.opendaylight.yangtools.yang.common.QName;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
20 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
21 import org.opendaylight.yangtools.yang.data.impl.codec.SchemaTracker;
22 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
23 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
27 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
28 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
29 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
31 final class SchemaAwareXMLStreamNormalizedNodeStreamWriter extends XMLStreamNormalizedNodeStreamWriter<SchemaNode> {
32 private final SchemaTracker tracker;
33 private final XmlStreamUtils streamUtils;
35 private SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer,
36 final SchemaContext context, final SchemaPath path) {
38 this.tracker = SchemaTracker.create(context, path);
39 this.streamUtils = XmlStreamUtils.create(XmlUtils.DEFAULT_XML_CODEC_PROVIDER, context);
42 static NormalizedNodeStreamWriter newInstance(final XMLStreamWriter writer, final SchemaContext context,
43 final SchemaPath path) {
44 return new SchemaAwareXMLStreamNormalizedNodeStreamWriter(writer, context, path);
48 protected void writeValue(final XMLStreamWriter xmlWriter, final QName qname, final Object value,
49 final SchemaNode schemaNode) throws IOException, XMLStreamException {
50 streamUtils.writeValue(xmlWriter, schemaNode, value, qname.getModule());
54 protected void startList(final NodeIdentifier name) {
55 tracker.startList(name);
59 protected void startListItem(final PathArgument name) throws IOException {
60 tracker.startListItem(name);
61 startElement(name.getNodeType());
65 protected void endNode(final XMLStreamWriter xmlWriter) throws IOException, XMLStreamException {
66 final Object schema = tracker.endNode();
67 if (schema instanceof ListSchemaNode) {
68 // For lists, we only emit end element on the inner frame
69 final Object parent = tracker.getParent();
70 if (parent == schema) {
71 xmlWriter.writeEndElement();
73 } else if (schema instanceof ContainerSchemaNode) {
74 // Emit container end element
75 xmlWriter.writeEndElement();
80 public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
81 final LeafSchemaNode schema = tracker.leafNode(name);
82 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
86 public void leafNode(NodeIdentifier name, Object value, Map<QName, String> attributes) throws IOException {
87 final LeafSchemaNode schema = tracker.leafNode(name);
88 writeElement(schema.getQName(), value, attributes, schema);
92 public void leafSetEntryNode(final QName name, final Object value, final Map<QName, String> attributes)
94 final LeafListSchemaNode schema = tracker.leafSetEntryNode();
95 writeElement(schema.getQName(), value, attributes, schema);
99 public void leafSetEntryNode(final QName name, final Object value) throws IOException {
100 final LeafListSchemaNode schema = tracker.leafSetEntryNode();
101 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
104 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
105 tracker.startLeafSet(name);
109 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
110 tracker.startLeafSet(name);
114 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
115 final SchemaNode schema = tracker.startContainerNode(name);
116 startElement(schema.getQName());
120 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
121 tracker.startChoiceNode(name);
125 public void startAugmentationNode(final AugmentationIdentifier identifier) {
126 tracker.startAugmentationNode(identifier);
130 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
131 final SchemaNode schema = tracker.startYangModeledAnyXmlNode(name);
132 startElement(schema.getQName());
136 public void anyxmlNode(final NodeIdentifier name, final Object value) throws IOException {
137 final AnyXmlSchemaNode schema = tracker.anyxmlNode(name);
138 anyxmlNode(schema.getQName(), value);