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.parser.rfc7950.stmt.BaseOperationContainerStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.SubstatementIndexingException;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  28 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  29
  30 @Beta
  31 public final class OutputStatementSupport
  32         extends BaseOperationContainerStatementSupport<OutputStatement, OutputEffectiveStatement> {
  33     private static final @NonNull OutputStatementSupport RFC6020_INSTANCE = new OutputStatementSupport(
  34         SubstatementValidator.builder(YangStmtMapping.OUTPUT)
  35             .addAny(YangStmtMapping.ANYXML)
  36             .addAny(YangStmtMapping.CHOICE)
  37             .addAny(YangStmtMapping.CONTAINER)
  38             .addAny(YangStmtMapping.GROUPING)
  39             .addAny(YangStmtMapping.LEAF)
  40             .addAny(YangStmtMapping.LEAF_LIST)
  41             .addAny(YangStmtMapping.LIST)
  42             .addAny(YangStmtMapping.TYPEDEF)
  43             .addAny(YangStmtMapping.USES)
  44             .build());
  45     private static final @NonNull OutputStatementSupport RFC7950_INSTANCE = new OutputStatementSupport(
  46         SubstatementValidator.builder(YangStmtMapping.OUTPUT)
  47             .addAny(YangStmtMapping.ANYDATA)
  48             .addAny(YangStmtMapping.ANYXML)
  49             .addAny(YangStmtMapping.CHOICE)
  50             .addAny(YangStmtMapping.CONTAINER)
  51             .addAny(YangStmtMapping.GROUPING)
  52             .addAny(YangStmtMapping.LEAF)
  53             .addAny(YangStmtMapping.LEAF_LIST)
  54             .addAny(YangStmtMapping.LIST)
  55             .addAny(YangStmtMapping.MUST)
  56             .addAny(YangStmtMapping.TYPEDEF)
  57             .addAny(YangStmtMapping.USES)
  58             .build());
  59
  60     private final SubstatementValidator validator;
  61
  62     private OutputStatementSupport(final SubstatementValidator validator) {
  63         super(YangStmtMapping.OUTPUT, YangConstants::operationOutputQName, CopyPolicy.DECLARED_COPY);
  64         this.validator = requireNonNull(validator);
  65     }
  66
  67     public static @NonNull OutputStatementSupport rfc6020Instance() {
  68         return RFC6020_INSTANCE;
  69     }
  70
  71     public static @NonNull OutputStatementSupport rfc7950Instance() {
  72         return RFC7950_INSTANCE;
  73     }
  74
  75     @Override
  76     protected SubstatementValidator getSubstatementValidator() {
  77         return validator;
  78     }
  79
  80     @Override
  81     protected OutputStatement createDeclared(final StmtContext<QName, OutputStatement, ?> ctx,
  82             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  83         final StatementSource source = ctx.source();
  84         switch (source) {
  85             case CONTEXT:
  86                 return new RegularUndeclaredOutputStatement(ctx.getArgument(), substatements);
  87             case DECLARATION:
  88                 return new RegularOutputStatement(ctx.getArgument(), substatements);
  89             default:
  90                 throw new IllegalStateException("Unhandled statement source " + source);
  91         }
  92     }
  93
  94     @Override
  95     protected OutputStatement createEmptyDeclared(final StmtContext<QName, OutputStatement, ?> ctx) {
  96         final StatementSource source = ctx.source();
  97         switch (source) {
  98             case CONTEXT:
  99                 return new EmptyUndeclaredOutputStatement(ctx.getArgument());
 100             case DECLARATION:
 101                 return new EmptyOutputStatement(ctx.getArgument());
 102             default:
 103                 throw new IllegalStateException("Unhandled statement source " + source);
 104         }
 105     }
 106
 107     @Override
 108     protected OutputEffectiveStatement createDeclaredEffective(final int flags,
 109             final Current<QName, OutputStatement> stmt,
 110             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 111         return new DeclaredOutputEffectiveStatement(flags, stmt.declared(), substatements, stmt.wrapSchemaPath());
 112     }
 113
 114     @Override
 115     protected OutputEffectiveStatement createUndeclaredEffective(final int flags,
 116             final Current<QName, OutputStatement> stmt,
 117             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 118         try {
 119             return new UndeclaredOutputEffectiveStatement(flags, substatements, stmt.wrapSchemaPath());
 120         } catch (SubstatementIndexingException e) {
 121             throw new SourceException(e.getMessage(), stmt, e);
 122         }
 123     }
 124 }