2 * Copyright (c) 2016 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.codec.gson;
10 import static org.junit.Assert.assertEquals;
11 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.loadModules;
12 import static org.opendaylight.yangtools.yang.data.codec.gson.TestUtils.loadTextFile;
13 import com.google.common.base.Preconditions;
14 import com.google.gson.JsonElement;
15 import com.google.gson.JsonParser;
16 import com.google.gson.stream.JsonReader;
18 import java.io.FileReader;
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.io.StringReader;
22 import java.io.StringWriter;
23 import java.io.Writer;
24 import java.net.URISyntaxException;
25 import java.util.Collections;
26 import javax.xml.parsers.DocumentBuilder;
27 import javax.xml.parsers.DocumentBuilderFactory;
28 import javax.xml.parsers.ParserConfigurationException;
29 import javax.xml.stream.XMLOutputFactory;
30 import org.junit.BeforeClass;
31 import org.junit.Test;
32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
33 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
34 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
35 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
36 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
37 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
38 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
39 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
40 import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
41 import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
42 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
43 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
44 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
45 import org.w3c.dom.Document;
46 import org.xml.sax.SAXException;
48 public class YangModeledAnyXmlSupportTest {
50 private static final XMLOutputFactory XML_FACTORY;
51 private static final DocumentBuilderFactory BUILDERFACTORY;
54 XML_FACTORY = XMLOutputFactory.newFactory();
55 XML_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
57 BUILDERFACTORY = DocumentBuilderFactory.newInstance();
58 BUILDERFACTORY.setNamespaceAware(true);
59 BUILDERFACTORY.setCoalescing(true);
60 BUILDERFACTORY.setIgnoringElementContentWhitespace(true);
61 BUILDERFACTORY.setIgnoringComments(true);
64 private static SchemaContext schemaContext;
65 private static Document xmlDoc;
66 private static ContainerNode data;
69 public static void init() throws IOException, URISyntaxException, ReactorException, SAXException {
70 schemaContext = loadModules("/yang-modeled-anyxml/yang");
71 xmlDoc = loadDocument("/yang-modeled-anyxml/xml/baz.xml");
72 data = DomToNormalizedNodeParserFactory
73 .getInstance(DomUtils.defaultValueCodecProvider(), schemaContext).getContainerNodeParser()
74 .parse(Collections.singletonList(xmlDoc.getDocumentElement()), schemaContext);
78 public void jsonToNormalizedNodesTest() throws IOException, URISyntaxException, SAXException {
79 final String inputJson = loadTextFile("/yang-modeled-anyxml/json/baz.json");
80 final NormalizedNodeResult result = new NormalizedNodeResult();
81 final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
82 final JsonParserStream jsonParser = JsonParserStream.create(streamWriter, schemaContext);
83 jsonParser.parse(new JsonReader(new StringReader(inputJson)));
84 final NormalizedNode<?, ?> transformedInput = result.getResult();
86 assertEquals(data.getValue().iterator().next(), transformedInput);
90 public void normalizedNodesToJsonTest() throws IOException, URISyntaxException, SAXException {
91 final DataContainerChild<? extends PathArgument, ?> baz = data.getValue().iterator().next();
93 final Writer writer = new StringWriter();
94 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, baz);
96 final JsonParser parser = new JsonParser();
97 final JsonElement serializedJson = parser.parse(jsonOutput);
98 final JsonElement expextedJson = parser.parse(new FileReader(new File(getClass().getResource(
99 "/yang-modeled-anyxml/json/baz.json").toURI())));
101 assertEquals(expextedJson, serializedJson);
104 private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
105 final NormalizedNode<?, ?> inputStructure) throws IOException {
107 final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
108 JSONCodecFactory.create(schemaContext), SchemaPath.ROOT, null,
109 JsonWriterFactory.createJsonWriter(writer, 2));
110 final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
111 nodeWriter.write(inputStructure);
114 return writer.toString();
117 private static Document loadDocument(final String xmlPath) throws IOException, SAXException {
118 final InputStream resourceAsStream = YangModeledAnyXmlSupportTest.class.getResourceAsStream(xmlPath);
120 final Document currentConfigElement = readXmlToDocument(resourceAsStream);
121 Preconditions.checkNotNull(currentConfigElement);
122 return currentConfigElement;
125 private static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
126 final DocumentBuilder dBuilder;
128 dBuilder = BUILDERFACTORY.newDocumentBuilder();
129 } catch (final ParserConfigurationException e) {
130 throw new RuntimeException("Failed to parse XML document", e);
132 final Document doc = dBuilder.parse(xmlContent);
134 doc.getDocumentElement().normalize();