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.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.SchemaContextProvider;
30 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
31 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
33 final class SchemaAwareXMLStreamNormalizedNodeStreamWriter extends XMLStreamNormalizedNodeStreamWriter<SchemaNode>
34 implements SchemaContextProvider {
35 private final SchemaTracker tracker;
36 private final SchemaAwareXMLStreamWriterUtils streamUtils;
38 private SchemaAwareXMLStreamNormalizedNodeStreamWriter(final XMLStreamWriter writer, final SchemaContext context,
39 final SchemaPath path) {
41 this.tracker = SchemaTracker.create(context, path);
42 this.streamUtils = new SchemaAwareXMLStreamWriterUtils(context);
45 static NormalizedNodeStreamWriter newInstance(final XMLStreamWriter writer, final SchemaContext context,
46 final SchemaPath path) {
47 return new SchemaAwareXMLStreamNormalizedNodeStreamWriter(writer, context, path);
51 protected void writeValue(final XMLStreamWriter xmlWriter, final QName qname, @Nonnull final Object value,
52 final SchemaNode schemaNode) throws IOException, XMLStreamException {
53 streamUtils.writeValue(xmlWriter, schemaNode, value, qname.getModule());
57 protected void startList(final NodeIdentifier name) {
58 tracker.startList(name);
62 protected void startListItem(final PathArgument name) throws IOException {
63 tracker.startListItem(name);
64 startElement(name.getNodeType());
68 protected void endNode(final XMLStreamWriter xmlWriter) throws IOException, XMLStreamException {
69 final Object schema = tracker.endNode();
70 if (schema instanceof ListSchemaNode) {
71 // For lists, we only emit end element on the inner frame
72 final Object parent = tracker.getParent();
73 if (parent == schema) {
74 xmlWriter.writeEndElement();
76 } else if (schema instanceof ContainerSchemaNode) {
77 // Emit container end element
78 xmlWriter.writeEndElement();
83 public void leafNode(final NodeIdentifier name, final Object value) throws IOException {
84 final LeafSchemaNode schema = tracker.leafNode(name);
85 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
89 public void leafNode(final NodeIdentifier name, final Object value, final Map<QName, String> attributes)
91 final LeafSchemaNode schema = tracker.leafNode(name);
92 writeElement(schema.getQName(), value, attributes, schema);
96 public void leafSetEntryNode(final QName name, final Object value, final Map<QName, String> attributes)
98 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
99 writeElement(schema.getQName(), value, attributes, schema);
103 public void leafSetEntryNode(final QName name, final Object value) throws IOException {
104 final LeafListSchemaNode schema = tracker.leafSetEntryNode(name);
105 writeElement(schema.getQName(), value, Collections.emptyMap(), schema);
109 public void startLeafSet(final NodeIdentifier name, final int childSizeHint) {
110 tracker.startLeafSet(name);
114 public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) {
115 tracker.startLeafSet(name);
119 public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
120 final SchemaNode schema = tracker.startContainerNode(name);
121 startElement(schema.getQName());
125 public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) {
126 tracker.startChoiceNode(name);
130 public void startAugmentationNode(final AugmentationIdentifier identifier) {
131 tracker.startAugmentationNode(identifier);
135 public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
136 final SchemaNode schema = tracker.startYangModeledAnyXmlNode(name);
137 startElement(schema.getQName());
141 public void anyxmlNode(final NodeIdentifier name, final Object value) throws IOException {
142 final AnyXmlSchemaNode schema = tracker.anyxmlNode(name);
143 anyxmlNode(schema.getQName(), value);
147 public SchemaContext getSchemaContext() {
148 return streamUtils.getSchemaContext();