2 * Copyright (c) 2015 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.retest;
10 import static org.junit.Assert.assertEquals;
11 import static org.opendaylight.yangtools.yang.data.codec.gson.retest.TestUtils.loadModules;
12 import static org.opendaylight.yangtools.yang.data.codec.gson.retest.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.codec.gson.JSONCodecFactory;
39 import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
40 import org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream;
41 import org.opendaylight.yangtools.yang.data.codec.gson.JsonWriterFactory;
42 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
43 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
44 import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
45 import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
46 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
47 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
48 import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
49 import org.w3c.dom.Document;
50 import org.xml.sax.SAXException;
52 public class YangModeledAnyXmlSupportTest {
54 private static final XMLOutputFactory XML_FACTORY;
55 private static final DocumentBuilderFactory BUILDERFACTORY;
58 XML_FACTORY = XMLOutputFactory.newFactory();
59 XML_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
61 BUILDERFACTORY = DocumentBuilderFactory.newInstance();
62 BUILDERFACTORY.setNamespaceAware(true);
63 BUILDERFACTORY.setCoalescing(true);
64 BUILDERFACTORY.setIgnoringElementContentWhitespace(true);
65 BUILDERFACTORY.setIgnoringComments(true);
68 private static SchemaContext schemaContext;
69 private static Document xmlDoc;
70 private static ContainerNode data;
73 public static void init() throws IOException, URISyntaxException, ReactorException, SAXException {
74 schemaContext = loadModules("/yang-modeled-anyxml/yang");
75 xmlDoc = loadDocument("/yang-modeled-anyxml/xml/baz.xml");
76 data = DomToNormalizedNodeParserFactory
77 .getInstance(DomUtils.defaultValueCodecProvider(), schemaContext).getContainerNodeParser()
78 .parse(Collections.singletonList(xmlDoc.getDocumentElement()), schemaContext);
82 public void jsonToNormalizedNodesTest() throws IOException, URISyntaxException, SAXException {
83 final String inputJson = loadTextFile("/yang-modeled-anyxml/json/baz.json");
84 final NormalizedNodeResult result = new NormalizedNodeResult();
85 final NormalizedNodeStreamWriter streamWriter = ImmutableNormalizedNodeStreamWriter.from(result);
86 final JsonParserStream jsonParser = JsonParserStream.create(streamWriter, schemaContext);
87 jsonParser.parse(new JsonReader(new StringReader(inputJson)));
88 final NormalizedNode<?, ?> transformedInput = result.getResult();
90 assertEquals(data.getValue().iterator().next(), transformedInput);
94 public void normalizedNodesToJsonTest() throws IOException, URISyntaxException, SAXException {
95 final DataContainerChild<? extends PathArgument, ?> baz = data.getValue().iterator().next();
97 final Writer writer = new StringWriter();
98 final String jsonOutput = normalizedNodeToJsonStreamTransformation(writer, baz);
100 final JsonParser parser = new JsonParser();
101 final JsonElement serializedJson = parser.parse(jsonOutput);
102 final JsonElement expextedJson = parser.parse(new FileReader(new File(getClass().getResource(
103 "/yang-modeled-anyxml/json/baz.json").toURI())));
105 assertEquals(expextedJson, serializedJson);
108 private static String normalizedNodeToJsonStreamTransformation(final Writer writer,
109 final NormalizedNode<?, ?> inputStructure) throws IOException {
111 final NormalizedNodeStreamWriter jsonStream = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
112 JSONCodecFactory.create(schemaContext), SchemaPath.ROOT, null,
113 JsonWriterFactory.createJsonWriter(writer, 2));
114 final NormalizedNodeWriter nodeWriter = NormalizedNodeWriter.forStreamWriter(jsonStream);
115 nodeWriter.write(inputStructure);
118 return writer.toString();
121 private static Document loadDocument(final String xmlPath) throws IOException, SAXException {
122 final InputStream resourceAsStream = YangModeledAnyXmlSupportTest.class.getResourceAsStream(xmlPath);
124 final Document currentConfigElement = readXmlToDocument(resourceAsStream);
125 Preconditions.checkNotNull(currentConfigElement);
126 return currentConfigElement;
129 private static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
130 final DocumentBuilder dBuilder;
132 dBuilder = BUILDERFACTORY.newDocumentBuilder();
133 } catch (final ParserConfigurationException e) {
134 throw new RuntimeException("Failed to parse XML document", e);
136 final Document doc = dBuilder.parse(xmlContent);
138 doc.getDocumentElement().normalize();