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 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.SchemaContextProvider;
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 implements SchemaContextProvider {
34 private final SchemaTracker tracker;
35 private final SchemaAwareXMLStreamWriterUtils streamUtils;
37 private SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer, final SchemaContext context,
38 final SchemaPath path) {
40 this.tracker = SchemaTracker.create(context, path);
41 this.streamUtils = new SchemaAwareXMLStreamWriterUtils(context);
44 static NormalizedNodeStreamWriter newInstance(final XMLStreamWriter writer, final SchemaContext context,
45 final SchemaPath path) {
46 return new SchemaAwareXMLStreamNormalizedNodeStreamWriter(writer, context, path);
50 protected void writeValue(final XMLStreamWriter xmlWriter, final QName qname, final Object value,
51 final SchemaNode schemaNode) throws IOException, XMLStreamException {
52 streamUtils.writeValue(xmlWriter, schemaNode, value, qname.getModule());
56 protected void startList(final NodeIdentifier name) {
57 tracker.startList(name);
61 protected void startListItem(final PathArgument name) throws IOException {
62 tracker.startListItem(name);
63 startElement(name.getNodeType());
67 protected void endNode(final XMLStreamWriter xmlWriter) throws IOException, XMLStreamException {
68 final Object schema = tracker.endNode();
69 if (schema instanceof ListSchemaNode) {
70 // For lists, we only emit end element on the inner frame
71 final Object parent = tracker.getParent();
72 if (parent == schema) {
73 xmlWriter.writeEndElement();
75 } else if (schema instanceof ContainerSchemaNode) {
76 // Emit container end element
77 xmlWriter.writeEndElement();
82 public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
83 final LeafSchemaNode schema = tracker.leafNode(name);
84 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
88 public void leafNode(final NodeIdentifier name, final Object value, final Map<QName, String> attributes)
90 final LeafSchemaNode schema = tracker.leafNode(name);
91 writeElement(schema.getQName(), value, attributes, schema);
95 public void leafSetEntryNode(final QName name, final Object value, final Map<QName, String> attributes)
97 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
98 writeElement(schema.getQName(), value, attributes, schema);
102 public void leafSetEntryNode(final QName name, final Object value) throws IOException {
103 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
104 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
108 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
109 tracker.startLeafSet(name);
113 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
114 tracker.startLeafSet(name);
118 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
119 final SchemaNode schema = tracker.startContainerNode(name);
120 startElement(schema.getQName());
124 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
125 tracker.startChoiceNode(name);
129 public void startAugmentationNode(final AugmentationIdentifier identifier) {
130 tracker.startAugmentationNode(identifier);
134 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
135 final SchemaNode schema = tracker.startYangModeledAnyXmlNode(name);
136 startElement(schema.getQName());
140 public void anyxmlNode(final NodeIdentifier name, final Object value) throws IOException {
141 final AnyXmlSchemaNode schema = tracker.anyxmlNode(name);
142 anyxmlNode(schema.getQName(), value);
146 public SchemaContext getSchemaContext() {
147 return streamUtils.getSchemaContext();