74fddd0c5f2915650cfd17de65a285ae61886d9c
[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / type / 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.rfc7950.stmt.type;
9
10 import static java.util.Objects.requireNonNull;
11
12 import com.google.common.collect.ImmutableList;
13 import com.google.common.collect.ImmutableMap;
14 import com.google.common.collect.ImmutableMap.Builder;
15 import java.util.Collection;
16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
17 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
18 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
19 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
20
21 final class BuiltinTypeStatement implements TypeStatement {
22     private static final ImmutableMap<String, BuiltinTypeStatement> BUILTINS;
23
24     static {
25         final Builder<String, BuiltinTypeStatement> builder = ImmutableMap.builder();
26         putBuiltin(builder, AbstractTypeStatementSupport.BINARY);
27         putBuiltin(builder, AbstractTypeStatementSupport.BOOLEAN);
28         putBuiltin(builder, AbstractTypeStatementSupport.EMPTY);
29         putBuiltin(builder, AbstractTypeStatementSupport.INSTANCE_IDENTIFIER);
30         putBuiltin(builder, AbstractTypeStatementSupport.INT8);
31         putBuiltin(builder, AbstractTypeStatementSupport.INT16);
32         putBuiltin(builder, AbstractTypeStatementSupport.INT32);
33         putBuiltin(builder, AbstractTypeStatementSupport.INT64);
34         putBuiltin(builder, AbstractTypeStatementSupport.STRING);
35         putBuiltin(builder, AbstractTypeStatementSupport.UINT8);
36         putBuiltin(builder, AbstractTypeStatementSupport.UINT16);
37         putBuiltin(builder, AbstractTypeStatementSupport.UINT32);
38         putBuiltin(builder, AbstractTypeStatementSupport.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 = requireNonNull(argument);
50     }
51
52     static TypeStatement maybeReplace(final TypeStatementImpl orig) {
53         if (orig.declaredSubstatements().isEmpty() && orig.getStatementSource() == StatementSource.DECLARATION
54                 && orig.statementDefinition() == YangStmtMapping.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 StatementSource getStatementSource() {
81         return StatementSource.DECLARATION;
82     }
83 }