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 javax.annotation.Nonnull;
  17 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  18 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  19 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  20 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  22
  23 final class BuiltinTypeStatement implements TypeStatement {
  24     private static final Map<String, BuiltinTypeStatement> BUILTINS;
  25
  26     static {
  27         final Builder<String, BuiltinTypeStatement> builder = ImmutableMap.builder();
  28         putBuiltin(builder, TypeUtils.BINARY);
  29         putBuiltin(builder, TypeUtils.BOOLEAN);
  30         putBuiltin(builder, TypeUtils.EMPTY);
  31         putBuiltin(builder, TypeUtils.INSTANCE_IDENTIFIER);
  32         putBuiltin(builder, TypeUtils.INT8);
  33         putBuiltin(builder, TypeUtils.INT16);
  34         putBuiltin(builder, TypeUtils.INT32);
  35         putBuiltin(builder, TypeUtils.INT64);
  36         putBuiltin(builder, TypeUtils.STRING);
  37         putBuiltin(builder, TypeUtils.UINT8);
  38         putBuiltin(builder, TypeUtils.UINT16);
  39         putBuiltin(builder, TypeUtils.UINT32);
  40         putBuiltin(builder, TypeUtils.UINT64);
  41         BUILTINS = builder.build();
  42     }
  43
  44     private static void putBuiltin(final Builder<String, BuiltinTypeStatement> builder, final String argument) {
  45         builder.put(argument, new BuiltinTypeStatement(argument));
  46     }
  47
  48     private final String argument;
  49
  50     private BuiltinTypeStatement(final String argument) {
  51         this.argument = Preconditions.checkNotNull(argument);
  52     }
  53
  54     static TypeStatement maybeReplace(final TypeStatementImpl orig) {
  55         if (orig.declaredSubstatements().isEmpty() && orig.getStatementSource() == StatementSource.DECLARATION
  56                 && orig.statementDefinition() == YangStmtMapping.TYPE) {
  57             final BuiltinTypeStatement builtin = BUILTINS.get(orig.argument());
  58             if (builtin != null) {
  59                 return builtin;
  60             }
  61         }
  62
  63         return orig;
  64     }
  65
  66     @Override
  67     public String argument() {
  68         return argument;
  69     }
  70
  71     @Override
  72     public String rawArgument() {
  73         return argument;
  74     }
  75
  76     @Nonnull
  77     @Override
  78     public Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
  79         return ImmutableList.of();
  80     }
  81
  82     @Nonnull
  83     @Override
  84     public StatementDefinition statementDefinition() {
  85         return YangStmtMapping.TYPE;
  86     }
  87
  88     @Nonnull
  89     @Override
  90     public String getName() {
  91         return argument;
  92     }
  93
  94     @Nonnull
  95     @Override
  96     public StatementSource getStatementSource() {
  97         return StatementSource.DECLARATION;
  98     }
  99 }