yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/BuiltinTypeStatement.java

   1 /*
   2  * Copyright (c) 2016 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.stmt.rfc6020;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.ImmutableList;
  12 import com.google.common.collect.ImmutableMap;
  13 import com.google.common.collect.ImmutableMap.Builder;
  14 import java.util.Collection;
  15 import java.util.Map;
  16 import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
  17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  18 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  19 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  21
  22 final class BuiltinTypeStatement implements TypeStatement {
  23     private static final Map<String, BuiltinTypeStatement> BUILTINS;
  24     static {
  25         final Builder<String, BuiltinTypeStatement> builder = ImmutableMap.builder();
  26         putBuiltin(builder, TypeUtils.BINARY);
  27         putBuiltin(builder, TypeUtils.BOOLEAN);
  28         putBuiltin(builder, TypeUtils.EMPTY);
  29         putBuiltin(builder, TypeUtils.INSTANCE_IDENTIFIER);
  30         putBuiltin(builder, TypeUtils.INT8);
  31         putBuiltin(builder, TypeUtils.INT16);
  32         putBuiltin(builder, TypeUtils.INT32);
  33         putBuiltin(builder, TypeUtils.INT64);
  34         putBuiltin(builder, TypeUtils.STRING);
  35         putBuiltin(builder, TypeUtils.UINT8);
  36         putBuiltin(builder, TypeUtils.UINT16);
  37         putBuiltin(builder, TypeUtils.UINT32);
  38         putBuiltin(builder, TypeUtils.UINT64);
  39         BUILTINS = builder.build();
  40     }
  41
  42     private static void putBuiltin(final Builder<String, BuiltinTypeStatement> builder, final String argument) {
  43         builder.put(argument, new BuiltinTypeStatement(argument));
  44     }
  45
  46     private final String argument;
  47
  48     private BuiltinTypeStatement(final String argument) {
  49         this.argument = Preconditions.checkNotNull(argument);
  50     }
  51
  52     static TypeStatement maybeReplace(final TypeStatementImpl orig) {
  53         if (orig.declaredSubstatements().isEmpty() && orig.getStatementSource() == StatementSource.DECLARATION &&
  54                 orig.statementDefinition() == Rfc6020Mapping.TYPE) {
  55             final BuiltinTypeStatement builtin = BUILTINS.get(orig.argument());
  56             if (builtin != null) {
  57                 return builtin;
  58             }
  59         }
  60
  61         return orig;
  62     }
  63
  64     @Override
  65     public String argument() {
  66         return argument;
  67     }
  68
  69     @Override
  70     public String rawArgument() {
  71         return argument;
  72     }
  73
  74     @Override
  75     public Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
  76         return ImmutableList.of();
  77     }
  78
  79     @Override
  80     public StatementDefinition statementDefinition() {
  81         return Rfc6020Mapping.TYPE;
  82     }
  83
  84     @Override
  85     public String getName() {
  86         return argument;
  87     }
  88
  89     @Override
  90     public StatementSource getStatementSource() {
  91         return StatementSource.DECLARATION;
  92     }
  93 }