2 * Copyright (c) 2017 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.model.export.test;
10 import com.google.common.base.Preconditions;
11 import java.io.IOException;
12 import java.io.InputStream;
13 import java.io.StringWriter;
14 import javax.xml.transform.OutputKeys;
15 import javax.xml.transform.Transformer;
16 import javax.xml.transform.TransformerException;
17 import javax.xml.transform.TransformerFactory;
18 import javax.xml.transform.TransformerFactoryConfigurationError;
19 import javax.xml.transform.dom.DOMSource;
20 import javax.xml.transform.stream.StreamResult;
21 import org.opendaylight.yangtools.util.xml.UntrustedXML;
22 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
23 import org.opendaylight.yangtools.yang.common.YangConstants;
24 import org.opendaylight.yangtools.yang.model.api.Module;
25 import org.w3c.dom.Document;
26 import org.w3c.dom.Node;
27 import org.xml.sax.SAXException;
29 public class YinExportTestUtils {
31 private YinExportTestUtils() {
32 throw new UnsupportedOperationException("Utility class");
35 public static Document loadDocument(final String prefix, final Module module) throws IOException, SAXException {
36 final String fileName = module.getRevision() == null ? module.getName()
37 : module.getName() + '@' + SimpleDateFormatUtil.getRevisionFormat().format(module.getRevision());
38 return loadDocument(prefix + '/' + fileName + YangConstants.RFC6020_YIN_FILE_EXTENSION);
41 public static Document loadDocument(final String xmlPath) throws IOException, SAXException {
42 final InputStream resourceAsStream = SchemaContextEmitterTest.class.getResourceAsStream(xmlPath);
43 final Document currentConfigElement = readXmlToDocument(resourceAsStream);
44 Preconditions.checkNotNull(currentConfigElement);
45 return currentConfigElement;
48 static Document readXmlToDocument(final InputStream xmlContent) throws IOException, SAXException {
49 final Document doc = UntrustedXML.newDocumentBuilder().parse(xmlContent);
50 doc.getDocumentElement().normalize();
54 public static String toString(final Node xml) {
56 final Transformer transformer = TransformerFactory.newInstance().newTransformer();
57 transformer.setOutputProperty(OutputKeys.INDENT, "yes");
58 transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
60 final StreamResult result = new StreamResult(new StringWriter());
61 final DOMSource source = new DOMSource(xml);
62 transformer.transform(source, result);
64 return result.getWriter().toString();
65 } catch (IllegalArgumentException | TransformerFactoryConfigurationError | TransformerException e) {
66 throw new RuntimeException("Unable to serialize xml element " + xml, e);