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.xml;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static java.util.Objects.requireNonNull;
14 import java.util.Iterator;
15 import java.util.Map.Entry;
16 import javax.xml.namespace.NamespaceContext;
17 import javax.xml.stream.XMLStreamException;
18 import javax.xml.stream.XMLStreamWriter;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.common.QNameModule;
21 import org.opendaylight.yangtools.yang.data.util.codec.IdentityCodecUtil;
22 import org.opendaylight.yangtools.yang.data.util.codec.QNameCodecUtil;
23 import org.opendaylight.yangtools.yang.model.api.Module;
24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
26 final class IdentityrefXmlCodec implements XmlCodec<QName> {
27 private final SchemaContext schemaContext;
28 private final QNameModule parentModule;
30 IdentityrefXmlCodec(final SchemaContext context, final QNameModule parentModule) {
31 this.schemaContext = requireNonNull(context);
32 this.parentModule = requireNonNull(parentModule);
36 public Class<QName> getDataType() {
41 public QName parseValue(final NamespaceContext ctx, final String str) {
42 return IdentityCodecUtil.parseIdentity(str, schemaContext, prefix -> {
43 if (prefix.isEmpty()) {
47 final String prefixedNS = ctx.getNamespaceURI(prefix);
48 final Iterator<Module> modules = schemaContext.findModules(URI.create(prefixedNS)).iterator();
49 checkArgument(modules.hasNext(), "Could not find module for namespace %s", prefixedNS);
50 return modules.next().getQNameModule();
55 public void writeValue(final XMLStreamWriter ctx, final QName value) throws XMLStreamException {
56 final RandomPrefix prefixes = new RandomPrefix(ctx.getNamespaceContext());
57 final String str = QNameCodecUtil.encodeQName(value, uri -> prefixes.encodePrefix(uri.getNamespace()));
59 for (Entry<URI, String> e : prefixes.getPrefixes()) {
60 ctx.writeNamespace(e.getValue(), e.getKey().toString());
62 ctx.writeCharacters(str);