yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 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.stmt.rfc6020;
   9
  10 import javax.annotation.Nonnull;
  11 import org.opendaylight.yangtools.yang.common.YangVersion;
  12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.YangVersionStatement;
  15 import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
  16 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
  17 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  19 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  20 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.YangVersionEffectiveStatementImpl;
  21
  22 public class YangVersionStatementImpl extends AbstractDeclaredStatement<YangVersion> implements YangVersionStatement {
  23     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  24             .YANG_VERSION)
  25             .build();
  26
  27     protected YangVersionStatementImpl(final StmtContext<YangVersion, YangVersionStatement, ?> context) {
  28         super(context);
  29     }
  30
  31     public static class Definition extends AbstractStatementSupport<YangVersion, YangVersionStatement,
  32             EffectiveStatement<YangVersion, YangVersionStatement>> {
  33
  34         public Definition() {
  35             super(YangStmtMapping.YANG_VERSION);
  36         }
  37
  38         @Override
  39         public YangVersion parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  40             return SourceException.unwrap(YangVersion.parse(value), ctx.getStatementSourceReference(),
  41                 "Unsupported YANG version %s", value);
  42         }
  43
  44         @Override
  45         public YangVersionStatement createDeclared(final StmtContext<YangVersion, YangVersionStatement, ?> ctx) {
  46             return new YangVersionStatementImpl(ctx);
  47         }
  48
  49         @Override
  50         public void onPreLinkageDeclared(
  51                 final StmtContext.Mutable<YangVersion, YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> stmt) {
  52             stmt.setRootVersion(stmt.getStatementArgument());
  53         }
  54
  55         @Override
  56         public EffectiveStatement<YangVersion, YangVersionStatement> createEffective
  57                 (final StmtContext<YangVersion, YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> ctx) {
  58             return new YangVersionEffectiveStatementImpl(ctx);
  59         }
  60
  61         @Override
  62         protected SubstatementValidator getSubstatementValidator() {
  63             return SUBSTATEMENT_VALIDATOR;
  64         }
  65     }
  66
  67     @Nonnull @Override
  68     public YangVersion getValue() {
  69         return argument();
  70     }
  71 }