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.eclipse.jdt.annotation.Nullable;
19 import org.opendaylight.yangtools.yang.common.QName;
20 import org.opendaylight.yangtools.yang.common.QNameModule;
21 import org.opendaylight.yangtools.yang.common.XMLNamespace;
22 import org.opendaylight.yangtools.yang.data.util.codec.IdentityCodecUtil;
23 import org.opendaylight.yangtools.yang.data.util.codec.QNameCodecUtil;
24 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
26 final class IdentityrefXmlCodec implements XmlCodec<QName> {
27 private final @NonNull EffectiveModelContext context;
28 private final @NonNull QNameModule parentModule;
29 private final @Nullable PreferredPrefixes pref;
31 IdentityrefXmlCodec(final EffectiveModelContext context, final QNameModule parentModule,
32 final @Nullable PreferredPrefixes pref) {
33 this.context = requireNonNull(context);
34 this.parentModule = requireNonNull(parentModule);
39 public Class<QName> getDataType() {
44 public QName parseValue(final NamespaceContext ctx, final String str) {
45 // FIXME: YANGTOOLS-1523: do not trim()
46 return IdentityCodecUtil.parseIdentity(str.trim(), context, prefix -> {
47 if (prefix.isEmpty()) {
51 final var prefixedNS = ctx.getNamespaceURI(prefix);
52 checkArgument(prefixedNS != null, "Failed to resolve prefix %s", prefix);
54 final var modules = context.findModuleStatements(XMLNamespace.of(prefixedNS)).iterator();
55 checkArgument(modules.hasNext(), "Could not find module for namespace %s", prefixedNS);
56 return modules.next().localQNameModule();
61 public void writeValue(final XMLStreamWriter ctx, final QName value) throws XMLStreamException {
62 final var prefixes = new NamespacePrefixes(ctx.getNamespaceContext(), pref);
63 final var str = QNameCodecUtil.encodeQName(value, uri -> prefixes.encodePrefix(uri.getNamespace()));
65 for (var entry : prefixes.emittedPrefixes()) {
66 ctx.writeNamespace(entry.getValue(), entry.getKey().toString());
68 ctx.writeCharacters(str);
72 public String toString() {
73 return MoreObjects.toStringHelper(this).add("module", parentModule).toString();