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

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, 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.yangtools.yang.parser.impl;
   9
  10 import com.google.common.annotations.Beta;
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.opendaylight.yangtools.odlext.parser.AugmentIdentifierStatementSupport;
  13 import org.opendaylight.yangtools.odlext.parser.ContextInstanceStatementSupport;
  14 import org.opendaylight.yangtools.odlext.parser.ContextReferenceStatementSupport;
  15 import org.opendaylight.yangtools.odlext.parser.InstanceTargetStatementSupport;
  16 import org.opendaylight.yangtools.odlext.parser.RpcContextReferenceStatementSupport;
  17 import org.opendaylight.yangtools.openconfig.parser.EncryptedValueStatementSupport;
  18 import org.opendaylight.yangtools.openconfig.parser.HashedValueStatementSupport;
  19 import org.opendaylight.yangtools.openconfig.parser.OpenConfigVersionSupport;
  20 import org.opendaylight.yangtools.rfc6241.parser.GetFilterElementAttributesStatementSupport;
  21 import org.opendaylight.yangtools.rfc6536.parser.DefaultDenyAllStatementSupport;
  22 import org.opendaylight.yangtools.rfc6536.parser.DefaultDenyWriteStatementSupport;
  23 import org.opendaylight.yangtools.rfc6643.parser.AliasStatementSupport;
  24 import org.opendaylight.yangtools.rfc6643.parser.DefValStatementSupport;
  25 import org.opendaylight.yangtools.rfc6643.parser.DisplayHintStatementSupport;
  26 import org.opendaylight.yangtools.rfc6643.parser.ImpliedStatementSupport;
  27 import org.opendaylight.yangtools.rfc6643.parser.MaxAccessStatementSupport;
  28 import org.opendaylight.yangtools.rfc6643.parser.OidStatementSupport;
  29 import org.opendaylight.yangtools.rfc6643.parser.SubIdStatementSupport;
  30 import org.opendaylight.yangtools.rfc7952.parser.AnnotationStatementSupport;
  31 import org.opendaylight.yangtools.rfc8040.parser.YangDataArgumentNamespace;
  32 import org.opendaylight.yangtools.rfc8040.parser.YangDataStatementSupport;
  33 import org.opendaylight.yangtools.rfc8528.parser.MountPointStatementSupport;
  34 import org.opendaylight.yangtools.rfc8639.parser.SubscriptionStateNotificationStatementSupport;
  35 import org.opendaylight.yangtools.yang.parser.api.YangParserConfiguration;
  36 import org.opendaylight.yangtools.yang.parser.rfc7950.reactor.CustomCrossSourceStatementReactorBuilder;
  37 import org.opendaylight.yangtools.yang.parser.rfc7950.reactor.RFC7950Reactors;
  38 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
  39 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor;
  40 import org.opendaylight.yangtools.yang.parser.stmt.reactor.CrossSourceStatementReactor.Builder;
  41 import org.opendaylight.yangtools.yang.xpath.api.YangXPathParserFactory;
  42
  43 /**
  44  * Utility class for instantiating default-configured {@link CrossSourceStatementReactor}s.
  45  *
  46  * @author Robert Varga
  47  */
  48 @Beta
  49 public final class DefaultReactors {
  50     private static final class DefaultReactor {
  51         // Thread-safe lazy init
  52         static final @NonNull CrossSourceStatementReactor INSTANCE = defaultReactorBuilder().build();
  53     }
  54
  55     private DefaultReactors() {
  56         // Hidden on purpose
  57     }
  58
  59     /**
  60      * Get a shared default-configured reactor instance. This instance is configured to handle both RFC6020 and RFC7950,
  61      * as well as
  62      * <ul>
  63      * <li>RFC6536's default-deny-{all,write} extensions</li>
  64      * <li>RFC7952's annotation extension</li>
  65      * <li>RFC8040's yang-data extension</li>
  66      * <li>OpenConfig extensions</li>
  67      * <li>OpenDaylight extensions</li>
  68      * </ul>
  69      *
  70      * @return a shared default-configured reactor instance.
  71      */
  72     public static @NonNull CrossSourceStatementReactor defaultReactor() {
  73         return DefaultReactor.INSTANCE;
  74     }
  75
  76     /**
  77      * Return a baseline CrossSourceStatementReactor {@link Builder}. The builder is initialized to the equivalent
  78      * of the reactor returned via {@link #defaultReactor()}, but can be further customized before use.
  79      *
  80      * @return A populated CrossSourceStatementReactor builder.
  81      */
  82     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder() {
  83         return defaultReactorBuilder(YangParserConfiguration.DEFAULT);
  84     }
  85
  86     /**
  87      * Return a baseline CrossSourceStatementReactor {@link Builder}. The builder is initialized to the equivalent
  88      * of the reactor returned via {@link #defaultReactor()}, but can be further customized before use.
  89      *
  90      * @param config parser configuration
  91      * @return A populated CrossSourceStatementReactor builder.
  92      */
  93     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
  94             final YangParserConfiguration config) {
  95         return addExtensions(RFC7950Reactors.defaultReactorBuilder(config), config);
  96     }
  97
  98     /**
  99      * Return a baseline CrossSourceStatementReactor {@link Builder}. The builder is initialized to the equivalent
 100      * of the reactor returned via {@link #defaultReactor()}, but can be further customized before use.
 101      *
 102      * @return A populated CrossSourceStatementReactor builder.
 103      */
 104     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 105             final YangXPathParserFactory xpathFactory) {
 106         return defaultReactorBuilder(xpathFactory, YangParserConfiguration.DEFAULT);
 107     }
 108
 109     /**
 110      * Return a baseline CrossSourceStatementReactor {@link Builder}. The builder is initialized to the equivalent
 111      * of the reactor returned via {@link #defaultReactor()}, but can be further customized before use.
 112      *
 113      * @param config parser configuration
 114      * @return A populated CrossSourceStatementReactor builder.
 115      */
 116     public static @NonNull CustomCrossSourceStatementReactorBuilder defaultReactorBuilder(
 117             final YangXPathParserFactory xpathFactory, final YangParserConfiguration config) {
 118         return addExtensions(RFC7950Reactors.defaultReactorBuilder(xpathFactory, config), config);
 119     }
 120
 121     private static @NonNull CustomCrossSourceStatementReactorBuilder addExtensions(
 122             final @NonNull CustomCrossSourceStatementReactorBuilder builder, final YangParserConfiguration config) {
 123         return builder
 124             // OpenDaylight extensions
 125             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new AugmentIdentifierStatementSupport(config))
 126             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new ContextInstanceStatementSupport(config))
 127             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new ContextReferenceStatementSupport(config))
 128             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new InstanceTargetStatementSupport(config))
 129             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new RpcContextReferenceStatementSupport(config))
 130
 131             // RFC6241 get-filter-element-attributes support
 132             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION,
 133                 new GetFilterElementAttributesStatementSupport(config))
 134
 135             // RFC6536 default-deny-{all,write} support
 136             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new DefaultDenyAllStatementSupport(config))
 137             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new DefaultDenyWriteStatementSupport(config))
 138
 139             // RFC6643 extensions
 140             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new DisplayHintStatementSupport(config))
 141             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new MaxAccessStatementSupport(config))
 142             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new DefValStatementSupport(config))
 143             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new ImpliedStatementSupport(config))
 144             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new AliasStatementSupport(config))
 145             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new OidStatementSupport(config))
 146             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new SubIdStatementSupport(config))
 147
 148             // RFC7952 annotation support
 149             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new AnnotationStatementSupport(config))
 150
 151             // RFC8040 yang-data support
 152             .addNamespaceSupport(ModelProcessingPhase.FULL_DECLARATION, YangDataArgumentNamespace.BEHAVIOUR)
 153             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new YangDataStatementSupport(config))
 154
 155             // RFC8528 mount-point support
 156             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new MountPointStatementSupport(config))
 157
 158             // RFC8639 subscription-state-notification support
 159             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION,
 160                 new SubscriptionStateNotificationStatementSupport(config))
 161
 162             // OpenConfig extensions support
 163             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new EncryptedValueStatementSupport(config))
 164             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new HashedValueStatementSupport(config))
 165             .addStatementSupport(ModelProcessingPhase.FULL_DECLARATION, new OpenConfigVersionSupport(config));
 166     }
 167 }