2 * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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.codec.xml;
10 import static org.junit.Assert.assertFalse;
11 import static org.junit.Assert.assertNotNull;
13 import com.google.common.base.Preconditions;
14 import com.google.common.collect.ImmutableList;
15 import java.io.IOException;
16 import java.io.InputStream;
17 import java.io.StringWriter;
18 import javax.xml.stream.XMLInputFactory;
19 import javax.xml.stream.XMLOutputFactory;
20 import javax.xml.stream.XMLStreamReader;
21 import javax.xml.stream.XMLStreamWriter;
22 import javax.xml.transform.OutputKeys;
23 import javax.xml.transform.Transformer;
24 import javax.xml.transform.TransformerException;
25 import javax.xml.transform.TransformerFactory;
26 import javax.xml.transform.TransformerFactoryConfigurationError;
27 import javax.xml.transform.dom.DOMResult;
28 import javax.xml.transform.dom.DOMSource;
29 import javax.xml.transform.stream.StreamResult;
30 import org.junit.Test;
31 import org.opendaylight.yangtools.util.xml.UntrustedXML;
32 import org.opendaylight.yangtools.yang.common.QName;
33 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
34 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
35 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
36 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
37 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
38 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
39 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
40 import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
41 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
42 import org.w3c.dom.Document;
43 import org.w3c.dom.Node;
44 import org.xml.sax.SAXException;
46 public class DOMSourceXMLStreamReaderTest {
49 public void test() throws Exception {
50 final SchemaContext schemaContext = YangParserTestUtils.parseYangSources("/dom-reader-test");
51 final ContainerSchemaNode outerContainerSchema = (ContainerSchemaNode) SchemaContextUtil
52 .findNodeInSchemaContext(schemaContext, ImmutableList.of(QName.create("foo-ns", "1970-01-01",
54 assertNotNull(outerContainerSchema);
57 final Document doc = loadDocument("/dom-reader-test/foo.xml");
58 final DOMSource inputXml = new DOMSource(doc.getDocumentElement());
59 XMLInputFactory inputFactory = XMLInputFactory.newFactory();
60 XMLStreamReader domXMLReader = new DOMSourceXMLStreamReader(inputXml);
62 final NormalizedNodeResult result = new NormalizedNodeResult();
63 final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
64 final XmlParserStream xmlParser = XmlParserStream.create(streamWriter, schemaContext, outerContainerSchema);
65 xmlParser.parse(domXMLReader);
66 final NormalizedNode<?, ?> transformedInput = result.getResult();
67 assertNotNull(transformedInput);
70 //final StringWriter writer = new StringWriter();
71 final DOMResult domResult = new DOMResult(UntrustedXML.newDocumentBuilder().newDocument());
72 final XMLOutputFactory outputFactory = XMLOutputFactory.newFactory();
73 outputFactory.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
74 final XMLStreamWriter xmlStreamWriter = outputFactory.createXMLStreamWriter(domResult);
76 final NormalizedNodeStreamWriter xmlNormalizedNodeStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(
77 xmlStreamWriter, schemaContext);
79 final NormalizedNodeWriter normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(
80 xmlNormalizedNodeStreamWriter);
81 normalizedNodeWriter.write(transformedInput);
83 //final String serializedXml = writer.toString();
84 final String serializedXml = toString(domResult.getNode());
85 assertFalse(serializedXml.isEmpty());
88 private static Document loadDocument(final String xmlPath) throws IOException, SAXException {
89 final InputStream resourceAsStream = NormalizedNodesToXmlTest.class.getResourceAsStream(xmlPath);
90 final Document currentConfigElement = readXmlToDocument(resourceAsStream);
91 Preconditions.checkNotNull(currentConfigElement);
92 return currentConfigElement;
95 private static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
96 final Document doc = UntrustedXML.newDocumentBuilder().parse(xmlContent);
97 doc.getDocumentElement().normalize();
101 private static String toString(final Node xml) {
103 final Transformer transformer = TransformerFactory.newInstance().newTransformer();
104 transformer.setOutputProperty(OutputKeys.INDENT, "yes");
105 transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
107 final StreamResult result = new StreamResult(new StringWriter());
108 final DOMSource source = new DOMSource(xml);
109 transformer.transform(source, result);
111 return result.getWriter().toString();
112 } catch (IllegalArgumentException | TransformerFactoryConfigurationError | TransformerException e) {
113 throw new RuntimeException("Unable to serialize xml element " + xml, e);