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/*
* Copyright (C) 2007-2010 Júlio 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.nodeTypes.NodeWithCondition;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.visitor.GenericVisitor;
import com.github.javaparser.ast.visitor.VoidVisitor;
import static com.github.javaparser.utils.Utils.assertNotNull;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.visitor.CloneVisitor;
import com.github.javaparser.metamodel.ConditionalExprMetaModel;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import javax.annotation.Generated;
import com.github.javaparser.TokenRange;
import java.util.function.Consumer;
import java.util.Optional;
/**
* The ternary conditional expression.
* In <code>b==0?x:y</code>, b==0 is the condition, x is thenExpr, and y is elseExpr.
*
* @author Julio Vilmar Gesser
*/
public final class ConditionalExpr extends Expression implements NodeWithCondition<ConditionalExpr> {
private Expression condition;
private Expression thenExpr;
private Expression elseExpr;
public ConditionalExpr() {
this(null, new BooleanLiteralExpr(), new StringLiteralExpr(), new StringLiteralExpr());
}
@AllFieldsConstructor
public ConditionalExpr(Expression condition, Expression thenExpr, Expression elseExpr) {
this(null, condition, thenExpr, elseExpr);
}
/**
* This constructor is used by the parser and is considered private.
*/
@Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
public ConditionalExpr(TokenRange tokenRange, Expression condition, Expression thenExpr, Expression elseExpr) {
super(tokenRange);
setCondition(condition);
setThenExpr(thenExpr);
setElseExpr(elseExpr);
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);
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Expression getCondition() {
return condition;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Expression getElseExpr() {
return elseExpr;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public Expression getThenExpr() {
return thenExpr;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public ConditionalExpr setCondition(final Expression condition) {
assertNotNull(condition);
if (condition == this.condition) {
return (ConditionalExpr) this;
}
notifyPropertyChange(ObservableProperty.CONDITION, this.condition, condition);
if (this.condition != null)
this.condition.setParentNode(null);
this.condition = condition;
setAsParentNodeOf(condition);
return this;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public ConditionalExpr setElseExpr(final Expression elseExpr) {
assertNotNull(elseExpr);
if (elseExpr == this.elseExpr) {
return (ConditionalExpr) this;
}
notifyPropertyChange(ObservableProperty.ELSE_EXPR, this.elseExpr, elseExpr);
if (this.elseExpr != null)
this.elseExpr.setParentNode(null);
this.elseExpr = elseExpr;
setAsParentNodeOf(elseExpr);
return this;
}
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public ConditionalExpr setThenExpr(final Expression thenExpr) {
assertNotNull(thenExpr);
if (thenExpr == this.thenExpr) {
return (ConditionalExpr) this;
}
notifyPropertyChange(ObservableProperty.THEN_EXPR, this.thenExpr, thenExpr);
if (this.thenExpr != null)
this.thenExpr.setParentNode(null);
this.thenExpr = thenExpr;
setAsParentNodeOf(thenExpr);
return this;
}
@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 ConditionalExpr clone() {
return (ConditionalExpr) accept(new CloneVisitor(), null);
}
@Override
@Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
public ConditionalExprMetaModel getMetaModel() {
return JavaParserMetaModel.conditionalExprMetaModel;
}
@Override
@Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
public boolean replace(Node node, Node replacementNode) {
if (node == null)
return false;
if (node == condition) {
setCondition((Expression) replacementNode);
return true;
}
if (node == elseExpr) {
setElseExpr((Expression) replacementNode);
return true;
}
if (node == thenExpr) {
setThenExpr((Expression) replacementNode);
return true;
}
return super.replace(node, replacementNode);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public boolean isConditionalExpr() {
return true;
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public ConditionalExpr asConditionalExpr() {
return this;
}
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public void ifConditionalExpr(Consumer<ConditionalExpr> action) {
action.accept(this);
}
@Override
@Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
public Optional<ConditionalExpr> toConditionalExpr() {
return Optional.of(this);
}
}
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