Add support for formatting EffectiveModelContext
[mdsal.git] / yanglib / mdsal-yanglib-rfc7895 / src / main / java / org / opendaylight / mdsal / yanglib / rfc7895 / YangModuleLibrarySupport.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.rfc7895;
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.eclipse.jdt.annotation.NonNullByDefault;
18 import org.opendaylight.binding.runtime.api.BindingRuntimeGenerator;
19 import org.opendaylight.binding.runtime.api.DefaultBindingRuntimeContext;
20 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
21 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTreeFactory;
22 import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode;
23 import org.opendaylight.mdsal.yanglib.api.SchemaContextResolver;
24 import org.opendaylight.mdsal.yanglib.api.YangLibSupport;
25 import org.opendaylight.mdsal.yanglib.api.YangLibraryContentBuilder;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.$YangModuleInfoImpl;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
28 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContextFactory;
29 import org.opendaylight.yangtools.rfc8528.data.api.MountPointIdentifier;
30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
31 import org.opendaylight.yangtools.yang.binding.YangModuleInfo;
32 import org.opendaylight.yangtools.yang.common.QName;
33 import org.opendaylight.yangtools.yang.common.Revision;
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.repo.api.RevisionSourceIdentifier;
38 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
39
40 @Beta
41 @NonNullByDefault
42 @Singleton
43 public final class YangModuleLibrarySupport implements YangLibSupport {
44     private static final Revision REVISION = ModulesState.QNAME.getRevision().orElseThrow();
45
46     private final BindingDataObjectCodecTreeNode<ModulesState> codec;
47     private final EffectiveModelContext context;
48     private final BindingCodecTree codecTree;
49
50     @Inject
51     public YangModuleLibrarySupport(final YangParserFactory parserFactory, final BindingRuntimeGenerator generator,
52             final BindingCodecTreeFactory codecFactory) throws YangParserException, IOException {
53         final YangModuleInfo yangLibModule = $YangModuleInfoImpl.getInstance();
54
55         context = parserFactory.createParser()
56                 .addLibSources(Collections2.transform(yangLibModule.getImportedModules(),
57                     YangModuleLibrarySupport::createSource))
58                 .addSource(createSource(yangLibModule))
59                 .buildEffectiveModel();
60         codecTree = codecFactory.create(DefaultBindingRuntimeContext.create(
61             generator.generateTypeMapping(context), SimpleStrategy.INSTANCE));
62
63         this.codec = verifyNotNull(codecTree.getSubtreeCodec(InstanceIdentifier.create(ModulesState.class)));
64     }
65
66     @Override
67     public MountPointContextFactory createMountPointContextFactory(final MountPointIdentifier mountId,
68             final SchemaContextResolver resolver) {
69         return new MountPointContextFactoryImpl(mountId, resolver, context, codec);
70     }
71
72     @Override
73     public Revision implementedRevision() {
74         return REVISION;
75     }
76
77     @Override
78     public YangLibraryContentBuilder newContentBuilder() {
79         return new Rfc7895ContentBuilder(codecTree);
80     }
81
82     private static YangTextSchemaSource createSource(final YangModuleInfo info) {
83         final QName name = info.getName();
84         return YangTextSchemaSource.delegateForByteSource(
85             RevisionSourceIdentifier.create(name.getLocalName(), name.getRevision()), info.getYangTextByteSource());
86     }
87 }