36452729480b660e96a8cbc1401fbc64d6fcb433
[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.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 ImmutableMap<String, BuiltinTypeStatement> BUILTINS;
24
25     static {
26         final Builder<String, BuiltinTypeStatement> builder = ImmutableMap.builder();
27         putBuiltin(builder, AbstractTypeStatementSupport.BINARY);
28         putBuiltin(builder, AbstractTypeStatementSupport.BOOLEAN);
29         putBuiltin(builder, AbstractTypeStatementSupport.EMPTY);
30         putBuiltin(builder, AbstractTypeStatementSupport.INSTANCE_IDENTIFIER);
31         putBuiltin(builder, AbstractTypeStatementSupport.INT8);
32         putBuiltin(builder, AbstractTypeStatementSupport.INT16);
33         putBuiltin(builder, AbstractTypeStatementSupport.INT32);
34         putBuiltin(builder, AbstractTypeStatementSupport.INT64);
35         putBuiltin(builder, AbstractTypeStatementSupport.STRING);
36         putBuiltin(builder, AbstractTypeStatementSupport.UINT8);
37         putBuiltin(builder, AbstractTypeStatementSupport.UINT16);
38         putBuiltin(builder, AbstractTypeStatementSupport.UINT32);
39         putBuiltin(builder, AbstractTypeStatementSupport.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 = requireNonNull(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     @Override
76     public Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
77         return ImmutableList.of();
78     }
79
80     @Override
81     public StatementDefinition statementDefinition() {
82         return YangStmtMapping.TYPE;
83     }
84
85     @Override
86     public StatementSource getStatementSource() {
87         return StatementSource.DECLARATION;
88     }
89 }