001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.resolve.constants;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.annotations.AnnotationArgumentVisitor;
021    import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
022    import org.jetbrains.jet.lang.types.JetType;
023    
024    public class BooleanValue implements CompileTimeConstant<Boolean> {
025    
026        public static final BooleanValue FALSE = new BooleanValue(false);
027        public static final BooleanValue TRUE = new BooleanValue(true);
028    
029        private final boolean value;
030    
031        private BooleanValue(boolean value) {
032            this.value = value;
033        }
034    
035        @NotNull
036        public static BooleanValue valueOf(boolean value) {
037            return value ? TRUE : FALSE;
038        }
039    
040        @Override
041        public Boolean getValue() {
042            return value;
043        }
044    
045        @NotNull
046        @Override
047        public JetType getType(@NotNull KotlinBuiltIns kotlinBuiltIns) {
048            return kotlinBuiltIns.getBooleanType();
049        }
050    
051        @Override
052        public <R, D> R accept(AnnotationArgumentVisitor<R, D> visitor, D data) {
053            return visitor.visitBooleanValue(this, data);
054        }
055    
056        @Override
057        public String toString() {
058            return String.valueOf(value);
059        }
060    
061    }