yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/revision/RevisionStatementSupport.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.revision;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import java.time.format.DateTimeParseException;
  12 import org.opendaylight.yangtools.yang.common.Revision;
  13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  14 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.RevisionEffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.RevisionStatement;
  18 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  21 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  22
  23 public final class RevisionStatementSupport
  24         extends BaseStatementSupport<Revision, RevisionStatement, RevisionEffectiveStatement> {
  25     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  26         YangStmtMapping.REVISION)
  27             .addOptional(YangStmtMapping.DESCRIPTION)
  28             .addOptional(YangStmtMapping.REFERENCE)
  29             .build();
  30     private static final RevisionStatementSupport INSTANCE = new RevisionStatementSupport();
  31
  32     private RevisionStatementSupport() {
  33         super(YangStmtMapping.REVISION);
  34     }
  35
  36     public static RevisionStatementSupport getInstance() {
  37         return INSTANCE;
  38     }
  39
  40     @Override
  41     public Revision parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  42         try {
  43             return Revision.of(value);
  44         } catch (DateTimeParseException e) {
  45             throw new SourceException(ctx.getStatementSourceReference(), e,
  46                 "Revision value %s is not in required format yyyy-MM-dd", value);
  47         }
  48     }
  49
  50     @Override
  51     protected SubstatementValidator getSubstatementValidator() {
  52         return SUBSTATEMENT_VALIDATOR;
  53     }
  54
  55     @Override
  56     protected RevisionStatement createDeclared(final StmtContext<Revision, RevisionStatement, ?> ctx,
  57             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  58         return new RegularRevisionStatement(ctx.coerceStatementArgument(), substatements);
  59     }
  60
  61     @Override
  62     protected RevisionStatement createEmptyDeclared(final StmtContext<Revision, RevisionStatement, ?> ctx) {
  63         return new EmptyRevisionStatement(ctx.coerceStatementArgument());
  64     }
  65
  66     @Override
  67     protected RevisionEffectiveStatement createEffective(
  68             final StmtContext<Revision, RevisionStatement, RevisionEffectiveStatement> ctx,
  69             final RevisionStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  70         return new RegularRevisionEffectiveStatement(declared, substatements);
  71     }
  72
  73     @Override
  74     protected RevisionEffectiveStatement createEmptyEffective(
  75             final StmtContext<Revision, RevisionStatement, RevisionEffectiveStatement> ctx,
  76             final RevisionStatement declared) {
  77         return new EmptyRevisionEffectiveStatement(declared);
  78     }
  79 }