diff options
Diffstat (limited to 'javaparser-core/src/main/java/com/github/javaparser/ast/expr/NullLiteralExpr.java')
-rw-r--r-- | javaparser-core/src/main/java/com/github/javaparser/ast/expr/NullLiteralExpr.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/expr/NullLiteralExpr.java b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/NullLiteralExpr.java new file mode 100644 index 000000000..b71ed5b80 --- /dev/null +++ b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/NullLiteralExpr.java @@ -0,0 +1,119 @@ +/* + * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser. + * Copyright (C) 2011, 2013-2016 The JavaParser Team. + * + * This file is part of JavaParser. + * + * JavaParser can be used either under the terms of + * a) the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * b) the terms of the Apache License + * + * You should have received a copy of both licenses in LICENCE.LGPL and + * LICENCE.APACHE. Please refer to those files for details. + * + * JavaParser is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ +package com.github.javaparser.ast.expr; + +import com.github.javaparser.ast.AllFieldsConstructor; +import com.github.javaparser.ast.visitor.GenericVisitor; +import com.github.javaparser.ast.visitor.VoidVisitor; +import com.github.javaparser.ast.Node; +import com.github.javaparser.ast.visitor.CloneVisitor; +import com.github.javaparser.metamodel.NullLiteralExprMetaModel; +import com.github.javaparser.metamodel.JavaParserMetaModel; +import javax.annotation.Generated; +import com.github.javaparser.TokenRange; +import java.util.function.Consumer; +import java.util.Optional; + +/** + * A literal "null". + * <br/><code>null</code> + * + * @author Julio Vilmar Gesser + */ +public final class NullLiteralExpr extends LiteralExpr { + + @AllFieldsConstructor + public NullLiteralExpr() { + this(null); + } + + /** + * This constructor is used by the parser and is considered private. + */ + @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") + public NullLiteralExpr(TokenRange tokenRange) { + super(tokenRange); + customInitialization(); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") + public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { + return v.visit(this, arg); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") + public <A> void accept(final VoidVisitor<A> v, final A arg) { + v.visit(this, arg); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") + public boolean remove(Node node) { + if (node == null) + return false; + return super.remove(node); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.CloneGenerator") + public NullLiteralExpr clone() { + return (NullLiteralExpr) accept(new CloneVisitor(), null); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") + public NullLiteralExprMetaModel getMetaModel() { + return JavaParserMetaModel.nullLiteralExprMetaModel; + } + + @Override + @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") + public boolean replace(Node node, Node replacementNode) { + if (node == null) + return false; + return super.replace(node, replacementNode); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public boolean isNullLiteralExpr() { + return true; + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public NullLiteralExpr asNullLiteralExpr() { + return this; + } + + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public void ifNullLiteralExpr(Consumer<NullLiteralExpr> action) { + action.accept(this); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public Optional<NullLiteralExpr> toNullLiteralExpr() { + return Optional.of(this); + } +} |