yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/impl/util/YangSourceFromDependencyInfoResolver.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.yangtools.yang.parser.impl.util;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableMap;
  12 import java.io.InputStream;
  13 import java.util.Map;
  14 import java.util.Map.Entry;
  15 import javax.annotation.concurrent.NotThreadSafe;
  16 import org.opendaylight.yangtools.yang.model.util.repo.AdvancedSchemaSourceProvider;
  17 import org.opendaylight.yangtools.yang.model.util.repo.SchemaSourceProvider;
  18 import org.opendaylight.yangtools.yang.model.util.repo.SourceIdentifier;
  19
  20 /**
  21  * Resolver for YANG Schema Source which is based on DependencyInfo
  22  *
  23  * This resolver does not use {@link SchemaSourceProvider} but supplied map
  24  * of source identifiers and {@link YangModelDependencyInfo} to construct
  25  * {@link YangSourceContext}.
  26  *
  27  */
  28 @Deprecated
  29 @NotThreadSafe
  30 public final class YangSourceFromDependencyInfoResolver extends YangSourceContextResolver {
  31
  32     private final Map<SourceIdentifier, YangModelDependencyInfo> dependencyInfo;
  33
  34     public YangSourceFromDependencyInfoResolver(final Map<SourceIdentifier, YangModelDependencyInfo> moduleDependencies,
  35                                                 AdvancedSchemaSourceProvider<InputStream> sourceProvider) {
  36         super(sourceProvider);
  37         dependencyInfo = ImmutableMap.copyOf(moduleDependencies);
  38     }
  39
  40     @Override
  41     public Optional<YangModelDependencyInfo> getDependencyInfo(final SourceIdentifier identifier) {
  42         if (identifier.getRevision() != null) {
  43             return Optional.fromNullable(dependencyInfo.get(identifier));
  44         }
  45         YangModelDependencyInfo potential = dependencyInfo.get(identifier);
  46         if (potential == null) {
  47             for (Entry<SourceIdentifier, YangModelDependencyInfo> newPotential : dependencyInfo.entrySet()) {
  48                 String newPotentialName = newPotential.getKey().getName();
  49
  50                 if (newPotentialName.equals(identifier.getName())) {
  51                     String newPotentialRevision = newPotential.getKey().getRevision();
  52                     if (potential == null || 1 == newPotentialRevision.compareTo(potential.getFormattedRevision())) {
  53                         potential = newPotential.getValue();
  54                     }
  55                 }
  56             }
  57         }
  58         return Optional.fromNullable(potential);
  59     }
  60
  61     @Override
  62     public YangSourceContext resolveContext() {
  63         for (SourceIdentifier source : dependencyInfo.keySet()) {
  64             resolveSource(source);
  65         }
  66         return createSourceContext();
  67     }
  68 }