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.SchemaPath;
  15 import org.opendaylight.yangtools.yang.model.api.Status;
  16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.AnyxmlEffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.AnyxmlStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyHistory;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
  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 AnyxmlStatementSupport
  31         extends BaseSchemaTreeStatementSupport<AnyxmlStatement, AnyxmlEffectiveStatement> {
  32     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  33         .ANYXML)
  34         .addOptional(YangStmtMapping.CONFIG)
  35         .addOptional(YangStmtMapping.DESCRIPTION)
  36         .addAny(YangStmtMapping.IF_FEATURE)
  37         .addOptional(YangStmtMapping.MANDATORY)
  38         .addAny(YangStmtMapping.MUST)
  39         .addOptional(YangStmtMapping.REFERENCE)
  40         .addOptional(YangStmtMapping.STATUS)
  41         .addOptional(YangStmtMapping.WHEN)
  42         .build();
  43     private static final AnyxmlStatementSupport INSTANCE = new AnyxmlStatementSupport();
  44
  45     private AnyxmlStatementSupport() {
  46         super(YangStmtMapping.ANYXML);
  47     }
  48
  49     public static AnyxmlStatementSupport getInstance() {
  50         return INSTANCE;
  51     }
  52
  53     @Override
  54     protected SubstatementValidator getSubstatementValidator() {
  55         return SUBSTATEMENT_VALIDATOR;
  56     }
  57
  58     @Override
  59     protected AnyxmlStatement createDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx,
  60             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  61         return new RegularAnyxmlStatement(ctx.getArgument(), substatements);
  62     }
  63
  64     @Override
  65     protected AnyxmlStatement createEmptyDeclared(final StmtContext<QName, AnyxmlStatement, ?> ctx) {
  66         return new EmptyAnyxmlStatement(ctx.getArgument());
  67     }
  68
  69     @Override
  70     protected AnyxmlEffectiveStatement createEffective(final Current<QName, AnyxmlStatement> stmt,
  71             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  72         final int flags = computeFlags(stmt.history(), stmt.effectiveConfig(), substatements);
  73         final SchemaPath path = stmt.getSchemaPath();
  74
  75         return substatements.isEmpty()
  76             ? new EmptyAnyxmlEffectiveStatement(stmt.declared(), path, flags, findOriginal(stmt))
  77                 : new RegularAnyxmlEffectiveStatement(stmt.declared(), path, flags, findOriginal(stmt),substatements);
  78     }
  79
  80     private static int computeFlags(final CopyHistory history, final boolean isConfig,
  81                                     final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  82         return new FlagsBuilder()
  83                 .setHistory(history)
  84                 .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
  85                 .setConfiguration(isConfig)
  86                 .setMandatory(findFirstArgument(substatements, MandatoryEffectiveStatement.class, Boolean.FALSE))
  87                 .toFlags();
  88     }
  89
  90     private static @Nullable AnyxmlSchemaNode findOriginal(final Current<?, ?> stmt) {
  91         return (AnyxmlSchemaNode) stmt.original();
  92     }
  93 }