yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/output/OutputStatementSupport.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.rfc7950.stmt.output;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import com.google.common.collect.ImmutableList;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.opendaylight.yangtools.yang.common.QName;
  16 import org.opendaylight.yangtools.yang.common.YangConstants;
  17 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  18 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  19 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.OutputEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.OutputStatement;
  23 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  24 import org.opendaylight.yangtools.yang.model.ri.stmt.ImplicitStatements;
  25 import org.opendaylight.yangtools.yang.model.spi.meta.SubstatementIndexingException;
  26 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseOperationContainerStatementSupport;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  29 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  30 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  31
  32 @Beta
  33 public final class OutputStatementSupport
  34         extends BaseOperationContainerStatementSupport<OutputStatement, OutputEffectiveStatement> {
  35     private static final @NonNull OutputStatementSupport RFC6020_INSTANCE = new OutputStatementSupport(
  36         SubstatementValidator.builder(YangStmtMapping.OUTPUT)
  37             .addAny(YangStmtMapping.ANYXML)
  38             .addAny(YangStmtMapping.CHOICE)
  39             .addAny(YangStmtMapping.CONTAINER)
  40             .addAny(YangStmtMapping.GROUPING)
  41             .addAny(YangStmtMapping.LEAF)
  42             .addAny(YangStmtMapping.LEAF_LIST)
  43             .addAny(YangStmtMapping.LIST)
  44             .addAny(YangStmtMapping.TYPEDEF)
  45             .addAny(YangStmtMapping.USES)
  46             .build());
  47     private static final @NonNull OutputStatementSupport RFC7950_INSTANCE = new OutputStatementSupport(
  48         SubstatementValidator.builder(YangStmtMapping.OUTPUT)
  49             .addAny(YangStmtMapping.ANYDATA)
  50             .addAny(YangStmtMapping.ANYXML)
  51             .addAny(YangStmtMapping.CHOICE)
  52             .addAny(YangStmtMapping.CONTAINER)
  53             .addAny(YangStmtMapping.GROUPING)
  54             .addAny(YangStmtMapping.LEAF)
  55             .addAny(YangStmtMapping.LEAF_LIST)
  56             .addAny(YangStmtMapping.LIST)
  57             .addAny(YangStmtMapping.MUST)
  58             .addAny(YangStmtMapping.TYPEDEF)
  59             .addAny(YangStmtMapping.USES)
  60             .build());
  61
  62     private final SubstatementValidator validator;
  63
  64     private OutputStatementSupport(final SubstatementValidator validator) {
  65         super(YangStmtMapping.OUTPUT, YangConstants::operationOutputQName);
  66         this.validator = requireNonNull(validator);
  67     }
  68
  69     public static @NonNull OutputStatementSupport rfc6020Instance() {
  70         return RFC6020_INSTANCE;
  71     }
  72
  73     public static @NonNull OutputStatementSupport rfc7950Instance() {
  74         return RFC7950_INSTANCE;
  75     }
  76
  77     @Override
  78     protected SubstatementValidator getSubstatementValidator() {
  79         return validator;
  80     }
  81
  82     @Override
  83     protected OutputStatement createDeclared(final StmtContext<QName, OutputStatement, ?> ctx,
  84             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  85         final StatementSource source = ctx.source();
  86         switch (source) {
  87             case CONTEXT:
  88                 return ImplicitStatements.createOutput(ctx.getArgument(), substatements);
  89             case DECLARATION:
  90                 return DeclaredStatements.createOutput(ctx.getArgument(), substatements);
  91             default:
  92                 throw new IllegalStateException("Unhandled statement source " + source);
  93         }
  94     }
  95
  96     @Override
  97     protected OutputStatement createEmptyDeclared(final StmtContext<QName, OutputStatement, ?> ctx) {
  98         final StatementSource source = ctx.source();
  99         switch (source) {
 100             case CONTEXT:
 101                 return ImplicitStatements.createOutput(ctx.getArgument());
 102             case DECLARATION:
 103                 return DeclaredStatements.createOutput(ctx.getArgument());
 104             default:
 105                 throw new IllegalStateException("Unhandled statement source " + source);
 106         }
 107     }
 108
 109     @Override
 110     protected OutputEffectiveStatement copyDeclaredEffective(final int flags,
 111             final Current<QName, OutputStatement> stmt, final OutputEffectiveStatement original) {
 112         return new DeclaredOutputEffectiveStatement((DeclaredOutputEffectiveStatement) original, stmt.effectivePath(),
 113             flags);
 114     }
 115
 116     @Override
 117     protected OutputEffectiveStatement copyUndeclaredEffective(final int flags,
 118             final Current<QName, OutputStatement> stmt, final OutputEffectiveStatement original) {
 119         return new UndeclaredOutputEffectiveStatement((UndeclaredOutputEffectiveStatement) original,
 120             stmt.effectivePath(), flags);
 121     }
 122
 123     @Override
 124     protected OutputEffectiveStatement createDeclaredEffective(final int flags,
 125             final Current<QName, OutputStatement> stmt,
 126             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 127         return new DeclaredOutputEffectiveStatement(stmt.declared(), substatements, stmt.effectivePath(), flags);
 128     }
 129
 130     @Override
 131     protected OutputEffectiveStatement createUndeclaredEffective(final int flags,
 132             final Current<QName, OutputStatement> stmt,
 133             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 134         try {
 135             return new UndeclaredOutputEffectiveStatement(substatements, stmt.effectivePath(), flags);
 136         } catch (SubstatementIndexingException e) {
 137             throw new SourceException(e.getMessage(), stmt, e);
 138         }
 139     }
 140 }