yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/type/StringTypeEffectiveStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.type;
   9
  10 import org.eclipse.jdt.annotation.NonNull;
  11 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  12 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  13 import org.opendaylight.yangtools.yang.model.api.stmt.LengthEffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.PatternEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  17 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
  18 import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
  19 import org.opendaylight.yangtools.yang.model.util.type.InvalidLengthConstraintException;
  20 import org.opendaylight.yangtools.yang.model.util.type.RestrictedTypes;
  21 import org.opendaylight.yangtools.yang.model.util.type.StringTypeBuilder;
  22 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.DeclaredEffectiveStatementBase;
  23 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  24 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 final class StringTypeEffectiveStatementImpl extends DeclaredEffectiveStatementBase<String, TypeStatement>
  29         implements TypeEffectiveStatement<TypeStatement> {
  30     private static final Logger LOG = LoggerFactory.getLogger(StringTypeEffectiveStatementImpl.class);
  31
  32     private final @NonNull StringTypeDefinition typeDefinition;
  33
  34     StringTypeEffectiveStatementImpl(
  35             final StmtContext<String, TypeStatement, EffectiveStatement<String, TypeStatement>> ctx,
  36             final StringTypeDefinition baseType) {
  37         super(ctx);
  38
  39         final StringTypeBuilder builder = RestrictedTypes.newStringBuilder(baseType,
  40             AbstractTypeStatementSupport.typeEffectiveSchemaPath(ctx));
  41
  42         for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  43             if (stmt instanceof LengthEffectiveStatement) {
  44                 final LengthEffectiveStatement length = (LengthEffectiveStatement)stmt;
  45
  46                 try {
  47                     builder.setLengthConstraint(length, length.argument());
  48                 } catch (IllegalStateException e) {
  49                     throw new SourceException(ctx.getStatementSourceReference(), e,
  50                             "Multiple length constraints encountered");
  51                 } catch (InvalidLengthConstraintException e) {
  52                     throw new SourceException(ctx.getStatementSourceReference(), e, "Invalid length constraint %s",
  53                         length.argument());
  54                 }
  55             }
  56             if (stmt instanceof PatternEffectiveStatement) {
  57                 final PatternConstraint pattern = ((PatternEffectiveStatement)stmt).argument();
  58                 if (pattern != null) {
  59                     builder.addPatternConstraint(pattern);
  60                 } else {
  61                     LOG.debug("Ignoring empty pattern statement {}", stmt);
  62                 }
  63             }
  64             if (stmt instanceof UnknownSchemaNode) {
  65                 builder.addUnknownSchemaNode((UnknownSchemaNode)stmt);
  66             }
  67         }
  68
  69         typeDefinition = builder.build();
  70     }
  71
  72     @Override
  73     public StringTypeDefinition getTypeDefinition() {
  74         return typeDefinition;
  75     }
  76 }