Expose IdentityCodec from BindingCodecTree
[mdsal.git] / yanglib / mdsal-yanglib-rfc8525 / src / main / java / org / opendaylight / mdsal / yanglib / rfc8525 / YangLibrarySupport.java
1 /*
2  * Copyright (c) 2019 PANTHEON.tech s.r.o. and others. All rights reserved.
3  *
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
7  */
8 package org.opendaylight.mdsal.yanglib.rfc8525;
9
10 import static com.google.common.base.Verify.verifyNotNull;
11
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.Collections2;
14 import java.io.IOException;
15 import javax.inject.Inject;
16 import javax.inject.Singleton;
17 import org.apache.aries.blueprint.annotation.service.Reference;
18 import org.eclipse.jdt.annotation.NonNullByDefault;
19 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
20 import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode;
21 import org.opendaylight.mdsal.binding.dom.codec.api.BindingIdentityCodec;
22 import org.opendaylight.mdsal.binding.dom.codec.impl.BindingNormalizedNodeCodecRegistry;
23 import org.opendaylight.mdsal.binding.generator.util.BindingRuntimeContext;
24 import org.opendaylight.mdsal.yanglib.api.SchemaContextResolver;
25 import org.opendaylight.mdsal.yanglib.api.YangLibSupport;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.$YangModuleInfoImpl;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.ModulesState;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev190104.YangLibrary;
29 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContextFactory;
30 import org.opendaylight.yangtools.rfc8528.data.api.MountPointIdentifier;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
33 import org.opendaylight.yangtools.yang.common.QName;
34 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
35 import org.opendaylight.yangtools.yang.model.parser.api.YangParserException;
36 import org.opendaylight.yangtools.yang.model.parser.api.YangParserFactory;
37 import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
38 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
39 import org.opendaylight.yangtools.yang.model.repo.api.StatementParserMode;
40 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
41
42 @Beta
43 @NonNullByDefault
44 @Singleton
45 public final class YangLibrarySupport implements YangLibSupport {
46     private final BindingDataObjectCodecTreeNode<YangLibrary> codec;
47     @SuppressWarnings("deprecation")
48     private final BindingDataObjectCodecTreeNode<ModulesState> legacyCodec;
49     private final BindingIdentityCodec identityCodec;
50     private final EffectiveModelContext context;
51
52     @Inject
53     public YangLibrarySupport(final @Reference YangParserFactory parserFactory)
54             throws YangSyntaxErrorException, YangParserException, IOException {
55         final YangModuleInfo yangLibModule = $YangModuleInfoImpl.getInstance();
56
57         // FIXME: DEFAULT_MODE should not be necessary, but it seems blueprint is still b0rked
58         context = parserFactory.createParser(StatementParserMode.DEFAULT_MODE)
59                 .addLibSources(Collections2.transform(yangLibModule.getImportedModules(),
60                     YangLibrarySupport::createSource))
61                 .addSource(createSource(yangLibModule))
62                 .buildEffectiveModel();
63         final BindingCodecTree codecTree = new BindingNormalizedNodeCodecRegistry(BindingRuntimeContext.create(
64             SimpleStrategy.INSTANCE, context)).getCodecContext();
65
66         this.identityCodec = codecTree.getIdentityCodec();
67         this.codec = verifyNotNull(codecTree.getSubtreeCodec(InstanceIdentifier.create(YangLibrary.class)));
68         this.legacyCodec = verifyNotNull(codecTree.getSubtreeCodec(InstanceIdentifier.create(ModulesState.class)));
69     }
70
71     @Override
72     public MountPointContextFactory createMountPointContextFactory(final MountPointIdentifier mountId,
73             final SchemaContextResolver resolver) {
74         return new MountPointContextFactoryImpl(mountId, resolver, context, identityCodec, codec, legacyCodec);
75     }
76
77     private static YangTextSchemaSource createSource(final YangModuleInfo info) {
78         final QName name = info.getName();
79         return YangTextSchemaSource.delegateForByteSource(
80             RevisionSourceIdentifier.create(name.getLocalName(), name.getRevision()), info.getYangTextByteSource());
81     }
82 }