yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/anyxml/AnyxmlStatementSupport.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.anyxml;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.eclipse.jdt.annotation.Nullable;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
  14 import org.opendaylight.yangtools.yang.model.api.Status;
  15 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  16 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.AnyxmlEffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.AnyxmlStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  26
  27 public final class AnyxmlStatementSupport
  28         extends BaseSchemaTreeStatementSupport<AnyxmlStatement, AnyxmlEffectiveStatement> {
  29     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  30         .ANYXML)
  31         .addOptional(YangStmtMapping.CONFIG)
  32         .addOptional(YangStmtMapping.DESCRIPTION)
  33         .addAny(YangStmtMapping.IF_FEATURE)
  34         .addOptional(YangStmtMapping.MANDATORY)
  35         .addAny(YangStmtMapping.MUST)
  36         .addOptional(YangStmtMapping.REFERENCE)
  37         .addOptional(YangStmtMapping.STATUS)
  38         .addOptional(YangStmtMapping.WHEN)
  39         .build();
  40     private static final AnyxmlStatementSupport INSTANCE = new AnyxmlStatementSupport();
  41
  42     private AnyxmlStatementSupport() {
  43         super(YangStmtMapping.ANYXML);
  44     }
  45
  46     public static AnyxmlStatementSupport getInstance() {
  47         return INSTANCE;
  48     }
  49
  50     @Override
  51     protected SubstatementValidator getSubstatementValidator() {
  52         return SUBSTATEMENT_VALIDATOR;
  53     }
  54
  55     @Override
  56     protected AnyxmlStatement createDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx,
  57             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  58         return new RegularAnyxmlStatement(ctx.coerceStatementArgument(), substatements);
  59     }
  60
  61     @Override
  62     protected AnyxmlStatement createEmptyDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx) {
  63         return new EmptyAnyxmlStatement(ctx.coerceStatementArgument());
  64     }
  65
  66     @Override
  67     protected AnyxmlEffectiveStatement createEffective(
  68             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx,
  69             final AnyxmlStatement declared, final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  70         return new RegularAnyxmlEffectiveStatement(declared, ctx.getSchemaPath().get(),
  71             computeFlags(ctx, substatements), findOriginal(ctx),substatements);
  72     }
  73
  74     @Override
  75     protected AnyxmlEffectiveStatement createEmptyEffective(
  76             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx, final AnyxmlStatement declared) {
  77         return new EmptyAnyxmlEffectiveStatement(declared, ctx.getSchemaPath().get(),
  78             computeFlags(ctx, ImmutableList.of()), findOriginal(ctx));
  79     }
  80
  81     private static int computeFlags(final StmtContext<?, ?, ?> ctx,
  82             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  83         return new FlagsBuilder()
  84                 .setHistory(ctx.getCopyHistory())
  85                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  86                 .setConfiguration(ctx.isConfiguration())
  87                 .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
  88                 .toFlags();
  89     }
  90
  91     private static @Nullable AnyxmlSchemaNode findOriginal(final StmtContext<?, ?, ?> ctx) {
  92         return (AnyxmlSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
  93     }
  94 }