yang/odlext-parser-support/src/main/java/org/opendaylight/yangtools/odlext/parser/AnyxmlStatementSupportOverride.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.odlext.parser;
   9
  10 import java.util.Map;
  11 import java.util.Optional;
  12 import org.opendaylight.yangtools.odlext.model.api.AnyxmlSchemaLocationEffectiveStatement;
  13 import org.opendaylight.yangtools.odlext.model.api.AnyxmlSchemaLocationStatement;
  14 import org.opendaylight.yangtools.yang.common.QName;
  15 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
  16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  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.SchemaNodeIdentifier;
  21 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.anyxml.AnyxmlStatementSupport;
  22 import org.opendaylight.yangtools.yang.parser.spi.SchemaTreeNamespace;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.ForwardingStatementSupport;
  24 import org.opendaylight.yangtools.yang.parser.spi.meta.StatementSupport;
  25 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  27
  28 public final class AnyxmlStatementSupportOverride
  29         extends ForwardingStatementSupport<QName, AnyxmlStatement, AnyxmlEffectiveStatement> {
  30     private static final AnyxmlStatementSupportOverride INSTANCE = new AnyxmlStatementSupportOverride();
  31
  32     private AnyxmlStatementSupportOverride() {
  33
  34     }
  35
  36     public static AnyxmlStatementSupportOverride getInstance() {
  37         return INSTANCE;
  38     }
  39
  40     @Override
  41     protected StatementSupport<QName, AnyxmlStatement, AnyxmlEffectiveStatement> delegate() {
  42         return AnyxmlStatementSupport.getInstance();
  43     }
  44
  45     @Override
  46     public Class<? extends EffectiveStatement<?, ?>> getEffectiveRepresentationClass() {
  47         // FIXME: this is not entirely accurate?
  48         return delegate().getEffectiveRepresentationClass();
  49     }
  50
  51     @Override
  52     public AnyxmlEffectiveStatement createEffective(
  53             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx) {
  54         final AnyxmlEffectiveStatement delegateStatement = delegate().createEffective(ctx);
  55         final Map<StatementDefinition, Mutable<SchemaNodeIdentifier, AnyxmlSchemaLocationStatement,
  56             AnyxmlSchemaLocationEffectiveStatement>> schemaLocations =
  57                 ctx.getAllFromCurrentStmtCtxNamespace(AnyxmlSchemaLocationNamespace.class);
  58         if (schemaLocations != null && !schemaLocations.isEmpty()) {
  59             final SchemaNodeIdentifier anyXmlSchemaNodeIdentifier = schemaLocations.values().iterator().next()
  60                     .getStatementArgument();
  61             final Optional<ContainerSchemaNode> anyXmlSchema = getAnyXmlSchema(ctx, anyXmlSchemaNodeIdentifier);
  62             if (anyXmlSchema.isPresent()) {
  63                 return new YangModeledAnyxmlEffectiveStatementImpl(delegateStatement, anyXmlSchema.get());
  64             }
  65         }
  66
  67         return delegateStatement;
  68     }
  69
  70     private static Optional<ContainerSchemaNode> getAnyXmlSchema(
  71             final StmtContext<QName, AnyxmlStatement, AnyxmlEffectiveStatement> ctx,
  72             final SchemaNodeIdentifier contentSchemaPath) {
  73         return SchemaTreeNamespace.findNode(ctx.getRoot(), contentSchemaPath)
  74                 .map(StmtContext::buildEffective)
  75                 .filter(ContainerSchemaNode.class::isInstance).map(ContainerSchemaNode.class::cast);
  76     }
  77 }