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 java.util.Objects.requireNonNull;
11 import static org.junit.Assert.assertFalse;
12 import static org.junit.Assert.assertNotNull;
14 import java.io.IOException;
15 import java.io.InputStream;
16 import java.io.StringWriter;
17 import java.util.Collection;
18 import javax.xml.stream.XMLOutputFactory;
19 import javax.xml.stream.XMLStreamReader;
20 import javax.xml.stream.XMLStreamWriter;
21 import javax.xml.transform.OutputKeys;
22 import javax.xml.transform.Transformer;
23 import javax.xml.transform.TransformerException;
24 import javax.xml.transform.TransformerFactory;
25 import javax.xml.transform.TransformerFactoryConfigurationError;
26 import javax.xml.transform.dom.DOMResult;
27 import javax.xml.transform.dom.DOMSource;
28 import javax.xml.transform.stream.StreamResult;
29 import org.junit.AfterClass;
30 import org.junit.BeforeClass;
31 import org.junit.Test;
32 import org.junit.runner.RunWith;
33 import org.junit.runners.Parameterized;
34 import org.opendaylight.yangtools.util.xml.UntrustedXML;
35 import org.opendaylight.yangtools.yang.common.QName;
36 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
37 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
38 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
39 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
40 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
41 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
42 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack.Inference;
43 import org.opendaylight.yangtools.yang.test.util.YangParserTestUtils;
44 import org.w3c.dom.Document;
45 import org.w3c.dom.Node;
46 import org.xml.sax.SAXException;
48 @RunWith(Parameterized.class)
49 public class DOMSourceXMLStreamReaderTest {
50 @Parameterized.Parameters(name = "{0}")
51 public static Collection<Object[]> data() {
52 return TestFactories.junitParameters();
55 private static EffectiveModelContext SCHEMA_CONTEXT;
57 private final XMLOutputFactory factory;
59 public DOMSourceXMLStreamReaderTest(final String factoryMode, final XMLOutputFactory factory) {
60 this.factory = factory;
64 public static void beforeClass() {
65 SCHEMA_CONTEXT = YangParserTestUtils.parseYangResourceDirectory("/dom-reader-test");
69 public static void afterClass() {
70 SCHEMA_CONTEXT = null;
74 public void test() throws Exception {
77 final Document doc = loadDocument("/dom-reader-test/foo.xml");
78 final DOMSource inputXml = new DOMSource(doc.getDocumentElement());
79 XMLStreamReader domXMLReader = new DOMSourceXMLStreamReader(inputXml);
81 final NormalizedNodeResult result = new NormalizedNodeResult();
82 final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
83 final XmlParserStream xmlParser = XmlParserStream.create(streamWriter,
84 Inference.ofDataTreePath(SCHEMA_CONTEXT, QName.create("foo-ns", "top-cont")));
85 xmlParser.parse(domXMLReader);
86 final NormalizedNode transformedInput = result.getResult();
87 assertNotNull(transformedInput);
90 //final StringWriter writer = new StringWriter();
91 final DOMResult domResult = new DOMResult(UntrustedXML.newDocumentBuilder().newDocument());
92 final XMLStreamWriter xmlStreamWriter = factory.createXMLStreamWriter(domResult);
94 final NormalizedNodeStreamWriter xmlNormalizedNodeStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(
95 xmlStreamWriter, SCHEMA_CONTEXT);
97 final NormalizedNodeWriter normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(
98 xmlNormalizedNodeStreamWriter);
99 normalizedNodeWriter.write(transformedInput);
101 //final String serializedXml = writer.toString();
102 final String serializedXml = toString(domResult.getNode());
103 assertFalse(serializedXml.isEmpty());
106 private static Document loadDocument(final String xmlPath) throws IOException, SAXException {
107 final InputStream resourceAsStream = NormalizedNodesToXmlTest.class.getResourceAsStream(xmlPath);
108 return requireNonNull(readXmlToDocument(resourceAsStream));
111 private static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
112 final Document doc = UntrustedXML.newDocumentBuilder().parse(xmlContent);
113 doc.getDocumentElement().normalize();
117 private static String toString(final Node xml) {
119 final Transformer transformer = TransformerFactory.newInstance().newTransformer();
120 transformer.setOutputProperty(OutputKeys.INDENT, "yes");
121 transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
123 final StreamResult result = new StreamResult(new StringWriter());
124 final DOMSource source = new DOMSource(xml);
125 transformer.transform(source, result);
127 return result.getWriter().toString();
128 } catch (IllegalArgumentException | TransformerFactoryConfigurationError | TransformerException e) {
129 throw new RuntimeException("Unable to serialize xml element " + xml, e);