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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.stmt;
import com.github.javaparser.Range;
import com.github.javaparser.ast.AllFieldsConstructor;
import com.github.javaparser.ast.expr.Expression;
import com.github.javaparser.ast.expr.NameExpr;
import com.github.javaparser.ast.expr.VariableDeclarationExpr;
import com.github.javaparser.ast.nodeTypes.NodeWithBody;
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.ForeachStmtMetaModel;
import com.github.javaparser.metamodel.JavaParserMetaModel;
/**
* A for-each statement.
* <br/><code>for(Object o: objects) { ... }</code>
*
* @author Julio Vilmar Gesser
*/
public final class ForeachStmt extends Statement implements NodeWithBody<ForeachStmt> {
private VariableDeclarationExpr variable;
private Expression iterable;
private Statement body;
public ForeachStmt() {
this(null, new VariableDeclarationExpr(), new NameExpr(), new ReturnStmt());
}
@AllFieldsConstructor
public ForeachStmt(final VariableDeclarationExpr variable, final Expression iterable, final Statement body) {
this(null, variable, iterable, body);
}
public ForeachStmt(Range range, VariableDeclarationExpr variable, Expression iterable, Statement body) {
super(range);
setVariable(variable);
setIterable(iterable);
setBody(body);
}
public ForeachStmt(VariableDeclarationExpr variable, String iterable, BlockStmt body) {
this(null, variable, new NameExpr(iterable), body);
}
@Override
public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
return v.visit(this, arg);
}
@Override
public <A> void accept(final VoidVisitor<A> v, final A arg) {
v.visit(this, arg);
}
@Override
public Statement getBody() {
return body;
}
public Expression getIterable() {
return iterable;
}
public VariableDeclarationExpr getVariable() {
return variable;
}
@Override
public ForeachStmt setBody(final Statement body) {
assertNotNull(body);
if (body == this.body) {
return (ForeachStmt) this;
}
notifyPropertyChange(ObservableProperty.BODY, this.body, body);
if (this.body != null)
this.body.setParentNode(null);
this.body = body;
setAsParentNodeOf(body);
return this;
}
public ForeachStmt setIterable(final Expression iterable) {
assertNotNull(iterable);
if (iterable == this.iterable) {
return (ForeachStmt) this;
}
notifyPropertyChange(ObservableProperty.ITERABLE, this.iterable, iterable);
if (this.iterable != null)
this.iterable.setParentNode(null);
this.iterable = iterable;
setAsParentNodeOf(iterable);
return this;
}
public ForeachStmt setVariable(final VariableDeclarationExpr variable) {
assertNotNull(variable);
if (variable == this.variable) {
return (ForeachStmt) this;
}
notifyPropertyChange(ObservableProperty.VARIABLE, this.variable, variable);
if (this.variable != null)
this.variable.setParentNode(null);
this.variable = variable;
setAsParentNodeOf(variable);
return this;
}
@Override
public boolean remove(Node node) {
if (node == null)
return false;
return super.remove(node);
}
@Override
public ForeachStmt clone() {
return (ForeachStmt) accept(new CloneVisitor(), null);
}
@Override
public ForeachStmtMetaModel getMetaModel() {
return JavaParserMetaModel.foreachStmtMetaModel;
}
}
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