yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/description/DescriptionStatementSupport.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.description;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import java.util.Optional;
  12 import org.opendaylight.yangtools.yang.common.QNameModule;
  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.DescriptionEffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionStatement;
  18 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStringStatementSupport;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  22 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  24
  25 public final class DescriptionStatementSupport
  26         extends BaseStringStatementSupport<DescriptionStatement, DescriptionEffectiveStatement> {
  27     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  28         YangStmtMapping.DESCRIPTION).build();
  29     private static final DescriptionStatementSupport INSTANCE = new DescriptionStatementSupport();
  30
  31     private DescriptionStatementSupport() {
  32         super(YangStmtMapping.DESCRIPTION);
  33     }
  34
  35     public static DescriptionStatementSupport getInstance() {
  36         return INSTANCE;
  37     }
  38
  39     @Override
  40     public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  41         return value;
  42     }
  43
  44     @Override
  45     public Optional<? extends Mutable<?, ?, ?>> copyAsChildOf(final Mutable<?, ?, ?> stmt,
  46             final Mutable<?, ?, ?> parent, final CopyType type, final QNameModule targetModule) {
  47         return StmtContextUtils.isChildOfGrouping(stmt) ? Optional.empty()
  48                 : super.copyAsChildOf(stmt, parent, type, targetModule);
  49     }
  50
  51     @Override
  52     protected SubstatementValidator getSubstatementValidator() {
  53         return SUBSTATEMENT_VALIDATOR;
  54     }
  55
  56     @Override
  57     protected DescriptionStatement createDeclared(final StmtContext<String, DescriptionStatement, ?> ctx,
  58             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  59         return new RegularDescriptionStatement(ctx, substatements);
  60     }
  61
  62     @Override
  63     protected DescriptionStatement createEmptyDeclared(final StmtContext<String, DescriptionStatement, ?> ctx) {
  64         return new EmptyDescriptionStatement(ctx);
  65     }
  66
  67     @Override
  68     protected DescriptionEffectiveStatement createEffective(
  69             final StmtContext<String, DescriptionStatement, DescriptionEffectiveStatement> ctx,
  70             final DescriptionStatement declared,
  71             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  72         return new RegularDescriptionEffectiveStatement(declared, substatements);
  73     }
  74
  75     @Override
  76     protected DescriptionEffectiveStatement createEmptyEffective(
  77             final StmtContext<String, DescriptionStatement, DescriptionEffectiveStatement> ctx,
  78             final DescriptionStatement declared) {
  79         return new EmptyDescriptionEffectiveStatement(declared);
  80     }
  81 }