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;
13 import com.google.common.base.MoreObjects;
14 import javax.xml.namespace.NamespaceContext;
15 import javax.xml.stream.XMLStreamException;
16 import javax.xml.stream.XMLStreamWriter;
17 import org.eclipse.jdt.annotation.NonNull;
18 import org.opendaylight.yangtools.yang.common.QName;
19 import org.opendaylight.yangtools.yang.common.QNameModule;
20 import org.opendaylight.yangtools.yang.common.XMLNamespace;
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.EffectiveModelContext;
25 final class IdentityrefXmlCodec implements XmlCodec<QName> {
26 private final @NonNull EffectiveModelContext context;
27 private final @NonNull PreferredPrefixes pref;
28 private final @NonNull QNameModule parentModule;
30 IdentityrefXmlCodec(final EffectiveModelContext context, final PreferredPrefixes pref,
31 final QNameModule parentModule) {
32 this.context = requireNonNull(context);
33 this.pref = requireNonNull(pref);
34 this.parentModule = requireNonNull(parentModule);
38 public Class<QName> getDataType() {
43 public QName parseValue(final NamespaceContext ctx, final String str) {
44 // FIXME: YANGTOOLS-1523: do not trim()
45 return IdentityCodecUtil.parseIdentity(str.trim(), context, prefix -> {
46 if (prefix.isEmpty()) {
50 final var prefixedNS = ctx.getNamespaceURI(prefix);
51 checkArgument(prefixedNS != null, "Failed to resolve prefix %s", prefix);
53 final var modules = context.findModuleStatements(XMLNamespace.of(prefixedNS)).iterator();
54 checkArgument(modules.hasNext(), "Could not find module for namespace %s", prefixedNS);
55 return modules.next().localQNameModule();
60 public void writeValue(final XMLStreamWriter ctx, final QName value) throws XMLStreamException {
61 final var prefixes = new NamespacePrefixes(pref, ctx.getNamespaceContext());
62 final var str = QNameCodecUtil.encodeQName(value, uri -> prefixes.encodePrefix(uri.getNamespace()));
64 for (var e : prefixes.emittedPrefixes()) {
65 ctx.writeNamespace(e.getValue(), e.getKey().toString());
67 ctx.writeCharacters(str);
71 public String toString() {
72 return MoreObjects.toStringHelper(this).add("module", parentModule).toString();