2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.data.impl.schema.transform.dom;
10 import com.google.common.collect.LinkedListMultimap;
11 import com.google.common.collect.Lists;
14 import java.util.HashMap;
15 import java.util.List;
18 import javax.xml.XMLConstants;
19 import javax.xml.stream.XMLOutputFactory;
20 import javax.xml.stream.XMLStreamException;
21 import javax.xml.stream.XMLStreamWriter;
22 import javax.xml.transform.dom.DOMResult;
24 import org.opendaylight.yangtools.yang.common.QName;
25 import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
26 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlCodecProvider;
27 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils;
28 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlStreamUtils;
29 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlUtils;
30 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
31 import org.w3c.dom.Element;
32 import org.w3c.dom.NamedNodeMap;
33 import org.w3c.dom.Node;
34 import org.w3c.dom.NodeList;
36 public final class DomUtils {
41 public static XmlCodecProvider defaultValueCodecProvider() {
42 return XmlUtils.DEFAULT_XML_CODEC_PROVIDER;
45 public static Object parseXmlValue(final Element xml, final XmlCodecProvider codecProvider, final TypeDefinition<?> type) {
46 TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(type);
48 String text = xml.getTextContent();
53 value = codec.deserialize(text);
61 public static void serializeXmlValue(final Element element, final TypeDefinition<? extends TypeDefinition<?>> type, final XmlCodecProvider codecProvider, final Object value) {
63 XMLStreamWriter writer = XMLOutputFactory.newFactory().createXMLStreamWriter(new DOMResult(element));
64 XmlStreamUtils.create(codecProvider).writeValue(writer, type, value);
65 } catch (XMLStreamException e) {
66 throw new IllegalStateException("XML encoding failed", e);
70 public static LinkedListMultimap<QName, Element> mapChildElementsForSingletonNode(final Element node) {
71 List<Element> childNodesCollection = Lists.newArrayList();
72 NodeList childNodes = node.getChildNodes();
73 for (int i = 0; i < childNodes.getLength(); i++) {
74 if(childNodes.item(i) instanceof Element) {
75 childNodesCollection.add((Element) childNodes.item(i));
79 return mapChildElements(childNodesCollection);
82 public static LinkedListMultimap<QName, Element> mapChildElements(final Iterable<Element> childNodesCollection) {
83 LinkedListMultimap<QName, Element> mappedChildElements = LinkedListMultimap.create();
85 for (Element element : childNodesCollection) {
86 QName childQName = XmlDocumentUtils.qNameFromElement(element);
87 mappedChildElements.put(childQName, element);
90 return mappedChildElements;
94 public static Map<QName, String> toAttributes(final NamedNodeMap xmlAttributes) {
95 Map<QName, String> attributes = new HashMap<>();
97 for (int i = 0; i < xmlAttributes.getLength(); i++) {
98 Node node = xmlAttributes.item(i);
99 String namespace = node.getNamespaceURI();
100 if (namespace == null) {
104 // Skip namespace definitions
105 if(namespace.equals(XMLConstants.XMLNS_ATTRIBUTE_NS_URI)) {
109 QName qName = new QName(URI.create(namespace), node.getLocalName());
110 attributes.put(qName, node.getNodeValue());