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      1 /*
      2  * Copyright (C) 2007-2010 Jlio Vilmar Gesser.
      3  * Copyright (C) 2011, 2013-2016 The JavaParser Team.
      4  *
      5  * This file is part of JavaParser.
      6  *
      7  * JavaParser can be used either under the terms of
      8  * a) the GNU Lesser General Public License as published by
      9  *     the Free Software Foundation, either version 3 of the License, or
     10  *     (at your option) any later version.
     11  * b) the terms of the Apache License
     12  *
     13  * You should have received a copy of both licenses in LICENCE.LGPL and
     14  * LICENCE.APACHE. Please refer to those files for details.
     15  *
     16  * JavaParser is distributed in the hope that it will be useful,
     17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     19  * GNU Lesser General Public License for more details.
     20  */
     21 package com.github.javaparser.ast.expr;
     22 
     23 import com.github.javaparser.ast.AllFieldsConstructor;
     24 import com.github.javaparser.ast.observer.ObservableProperty;
     25 import com.github.javaparser.ast.visitor.GenericVisitor;
     26 import com.github.javaparser.ast.visitor.VoidVisitor;
     27 import com.github.javaparser.ast.Node;
     28 import com.github.javaparser.ast.visitor.CloneVisitor;
     29 import com.github.javaparser.metamodel.BooleanLiteralExprMetaModel;
     30 import com.github.javaparser.metamodel.JavaParserMetaModel;
     31 import javax.annotation.Generated;
     32 import com.github.javaparser.TokenRange;
     33 import java.util.function.Consumer;
     34 import java.util.Optional;
     35 
     36 /**
     37  * The boolean literals.
     38  * <br/><code>true</code>
     39  * <br/><code>false</code>
     40  *
     41  * @author Julio Vilmar Gesser
     42  */
     43 public final class BooleanLiteralExpr extends LiteralExpr {
     44 
     45     private boolean value;
     46 
     47     public BooleanLiteralExpr() {
     48         this(null, false);
     49     }
     50 
     51     @AllFieldsConstructor
     52     public BooleanLiteralExpr(boolean value) {
     53         this(null, value);
     54     }
     55 
     56     /**
     57      * This constructor is used by the parser and is considered private.
     58      */
     59     @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
     60     public BooleanLiteralExpr(TokenRange tokenRange, boolean value) {
     61         super(tokenRange);
     62         setValue(value);
     63         customInitialization();
     64     }
     65 
     66     @Override
     67     @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
     68     public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
     69         return v.visit(this, arg);
     70     }
     71 
     72     @Override
     73     @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
     74     public <A> void accept(final VoidVisitor<A> v, final A arg) {
     75         v.visit(this, arg);
     76     }
     77 
     78     @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
     79     public boolean getValue() {
     80         return value;
     81     }
     82 
     83     @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
     84     public BooleanLiteralExpr setValue(final boolean value) {
     85         if (value == this.value) {
     86             return (BooleanLiteralExpr) this;
     87         }
     88         notifyPropertyChange(ObservableProperty.VALUE, this.value, value);
     89         this.value = value;
     90         return this;
     91     }
     92 
     93     @Override
     94     @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
     95     public boolean remove(Node node) {
     96         if (node == null)
     97             return false;
     98         return super.remove(node);
     99     }
    100 
    101     @Override
    102     @Generated("com.github.javaparser.generator.core.node.CloneGenerator")
    103     public BooleanLiteralExpr clone() {
    104         return (BooleanLiteralExpr) accept(new CloneVisitor(), null);
    105     }
    106 
    107     @Override
    108     @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
    109     public BooleanLiteralExprMetaModel getMetaModel() {
    110         return JavaParserMetaModel.booleanLiteralExprMetaModel;
    111     }
    112 
    113     @Override
    114     @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
    115     public boolean replace(Node node, Node replacementNode) {
    116         if (node == null)
    117             return false;
    118         return super.replace(node, replacementNode);
    119     }
    120 
    121     @Override
    122     @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    123     public boolean isBooleanLiteralExpr() {
    124         return true;
    125     }
    126 
    127     @Override
    128     @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    129     public BooleanLiteralExpr asBooleanLiteralExpr() {
    130         return this;
    131     }
    132 
    133     @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    134     public void ifBooleanLiteralExpr(Consumer<BooleanLiteralExpr> action) {
    135         action.accept(this);
    136     }
    137 
    138     @Override
    139     @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
    140     public Optional<BooleanLiteralExpr> toBooleanLiteralExpr() {
    141         return Optional.of(this);
    142     }
    143 }
    144