yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/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
   9 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.type;
  10
  11 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  12 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  13 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  14 import org.opendaylight.yangtools.yang.model.api.type.LengthConstraint;
  15 import org.opendaylight.yangtools.yang.model.api.type.PatternConstraint;
  16 import org.opendaylight.yangtools.yang.model.api.type.StringTypeDefinition;
  17 import org.opendaylight.yangtools.yang.model.util.type.InvalidLengthConstraintException;
  18 import org.opendaylight.yangtools.yang.model.util.type.RestrictedTypes;
  19 import org.opendaylight.yangtools.yang.model.util.type.StringTypeBuilder;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  21 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  22 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
  23 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeclaredEffectiveStatementBase;
  24 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.UnknownEffectiveStatementImpl;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public final class StringTypeEffectiveStatementImpl extends DeclaredEffectiveStatementBase<String, TypeStatement> implements
  29         TypeEffectiveStatement<TypeStatement> {
  30     private static final Logger LOG = LoggerFactory.getLogger(StringTypeEffectiveStatementImpl.class);
  31     private final StringTypeDefinition typeDefinition;
  32
  33     public StringTypeEffectiveStatementImpl(
  34             final StmtContext<String, TypeStatement, EffectiveStatement<String, TypeStatement>> ctx,
  35             final StringTypeDefinition baseType) {
  36         super(ctx);
  37
  38         final StringTypeBuilder builder = RestrictedTypes.newStringBuilder(baseType,
  39             TypeUtils.typeEffectiveSchemaPath(ctx));
  40
  41         for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  42             if (stmt instanceof LengthEffectiveStatementImpl) {
  43                 builder.setLengthAlternatives(((LengthEffectiveStatementImpl)stmt).argument());
  44             }
  45             if (stmt instanceof PatternEffectiveStatementImpl) {
  46                 final PatternConstraint pattern = ((PatternEffectiveStatementImpl)stmt).argument();
  47                 if (pattern != null) {
  48                     builder.addPatternConstraint(pattern);
  49                 } else {
  50                     LOG.debug("Ignoring empty pattern statement {}", stmt);
  51                 }
  52             }
  53             if (stmt instanceof UnknownEffectiveStatementImpl) {
  54                 builder.addUnknownSchemaNode((UnknownEffectiveStatementImpl)stmt);
  55             }
  56         }
  57
  58         try {
  59             typeDefinition = builder.build();
  60         } catch (InvalidLengthConstraintException e) {
  61             final LengthConstraint c = e.getOffendingConstraint();
  62             throw new SourceException(ctx.getStatementSourceReference(), e, "Invalid length constraint: <%s, %s>",
  63                 c.getMin(), c.getMax());
  64         }
  65     }
  66
  67     @Override
  68     public StringTypeDefinition getTypeDefinition() {
  69         return typeDefinition;
  70     }
  71 }