yang/rfc6536-parser-support/src/main/java/org/opendaylight/yangtools/rfc6536/parser/DefaultDenyAllStatementSupport.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.rfc6536.parser;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.eclipse.jdt.annotation.NonNull;
  12 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyAllEffectiveStatement;
  13 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyAllSchemaNode;
  14 import org.opendaylight.yangtools.rfc6536.model.api.DefaultDenyAllStatement;
  15 import org.opendaylight.yangtools.rfc6536.model.api.NACMStatements;
  16 import org.opendaylight.yangtools.yang.common.Empty;
  17 import org.opendaylight.yangtools.yang.common.QName;
  18 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  19 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  20 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractDeclaredStatement.WithoutArgument.WithSubstatements;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.UnknownEffectiveStatementBase;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractEmptyStatementSupport;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.SchemaPathSupport;
  27 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  28 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  29
  30 public final class DefaultDenyAllStatementSupport
  31         extends AbstractEmptyStatementSupport<DefaultDenyAllStatement, DefaultDenyAllEffectiveStatement> {
  32     private static final class Declared extends WithSubstatements implements DefaultDenyAllStatement {
  33         static final @NonNull Declared EMPTY = new Declared(ImmutableList.of());
  34
  35         Declared(final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  36             super(substatements);
  37         }
  38     }
  39
  40     private static final class Effective extends UnknownEffectiveStatementBase<Empty, DefaultDenyAllStatement>
  41             implements DefaultDenyAllEffectiveStatement, DefaultDenyAllSchemaNode {
  42         private final @NonNull Object path;
  43
  44         Effective(final Current<Empty, DefaultDenyAllStatement> stmt,
  45                 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  46             super(stmt, substatements);
  47             path = SchemaPathSupport.toEffectivePath(stmt.getEffectiveParent().getSchemaPath()
  48                     .createChild(stmt.publicDefinition().getStatementName()));
  49         }
  50
  51         @Override
  52         public QName getQName() {
  53             return SchemaPathSupport.extractQName(path);
  54         }
  55
  56         @Override
  57         @Deprecated
  58         public SchemaPath getPath() {
  59             return SchemaPathSupport.extractPath(this, path);
  60         }
  61
  62         @Override
  63         public DefaultDenyAllEffectiveStatement asEffectiveStatement() {
  64             return this;
  65         }
  66     }
  67
  68     private static final DefaultDenyAllStatementSupport INSTANCE =
  69             new DefaultDenyAllStatementSupport(NACMStatements.DEFAULT_DENY_ALL);
  70
  71     private final SubstatementValidator validator;
  72
  73     private DefaultDenyAllStatementSupport(final StatementDefinition definition) {
  74         super(definition, StatementPolicy.contextIndependent());
  75         this.validator = SubstatementValidator.builder(definition).build();
  76     }
  77
  78     public static DefaultDenyAllStatementSupport getInstance() {
  79         return INSTANCE;
  80     }
  81
  82     @Override
  83     protected SubstatementValidator getSubstatementValidator() {
  84         return validator;
  85     }
  86
  87     @Override
  88     protected DefaultDenyAllStatement createDeclared(final StmtContext<Empty, DefaultDenyAllStatement, ?> ctx,
  89             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  90         return new Declared(substatements);
  91     }
  92
  93     @Override
  94     protected DefaultDenyAllStatement createEmptyDeclared(final StmtContext<Empty, DefaultDenyAllStatement, ?> ctx) {
  95         return Declared.EMPTY;
  96     }
  97
  98     @Override
  99     protected DefaultDenyAllEffectiveStatement createEffective(final Current<Empty, DefaultDenyAllStatement> stmt,
 100             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
 101         return new Effective(stmt, substatements);
 102     }
 103 }