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.parser.rfc6020.repo;
10 import com.google.common.annotations.Beta;
11 import com.google.common.util.concurrent.Futures;
12 import java.io.IOException;
13 import javax.xml.parsers.SAXParser;
14 import javax.xml.transform.dom.DOMSource;
15 import org.opendaylight.yangtools.util.xml.UntrustedXML;
16 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
17 import org.opendaylight.yangtools.yang.model.repo.api.YinDomSchemaSource;
18 import org.opendaylight.yangtools.yang.model.repo.api.YinTextSchemaSource;
19 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
20 import org.opendaylight.yangtools.yang.model.repo.util.SchemaSourceTransformer;
21 import org.w3c.dom.Document;
22 import org.xml.sax.SAXException;
23 import org.xml.sax.helpers.DefaultHandler;
26 * A {@link SchemaSourceTransformer} which handles translation of models from
27 * {@link YinTextSchemaSource} representation into {@link YinDomSchemaSource}.
29 * @author Robert Varga
32 public final class YinTextToDomTransformer extends SchemaSourceTransformer<YinTextSchemaSource, YinDomSchemaSource> {
33 private YinTextToDomTransformer(final SchemaRepository provider, final SchemaSourceRegistry consumer) {
34 super(provider, YinTextSchemaSource.class, consumer, YinDomSchemaSource.class,
35 input -> Futures.immediateFuture(transformSource(input)));
38 public static YinTextToDomTransformer create(final SchemaRepository provider, final SchemaSourceRegistry consumer) {
39 return new YinTextToDomTransformer(provider, consumer);
42 public static YinDomSchemaSource transformSource(final YinTextSchemaSource source) throws SAXException,
44 final Document doc = UntrustedXML.newDocumentBuilder().newDocument();
45 final SAXParser parser = UntrustedXML.newSAXParser();
46 final DefaultHandler handler = new StatementSourceReferenceHandler(doc, null);
47 parser.parse(source.openStream(), handler);
48 return YinDomSchemaSource.create(source.getIdentifier(), new DOMSource(doc));