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