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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8172910
* @summary Test behavior of default methods on visitors.
* @modules java.compiler
*/
import java.util.List;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.*;
import javax.lang.model.type.*;
import javax.lang.model.util.*;
/**
* Verify expected behavior of default methods on visitors.
*/
public class TestVisitorDefaults {
public static void main(String... args) {
DirectElementVisitorChild dvc = new DirectElementVisitorChild();
if (!"visitUnknown".equals(dvc.visitModule(null, null))) {
throw new RuntimeException("Problem with DirectElementVisitorChild");
}
if (!"visit".equals(dvc.visit(null))) {
throw new RuntimeException("Problem with DirectElementVisitorChild");
}
IndirectElementVisitorChild ivc = new IndirectElementVisitorChild();
if (!"visitUnknown".equals(ivc.visitModule(null, null))) {
throw new RuntimeException("Problem with IndirectElementVisitorChild");
}
DirectTypeVisitorChild dtvc = new DirectTypeVisitorChild();
if (!"visit".equals(dtvc.visit(null))) {
throw new RuntimeException("Problem with DirectTypeVisitorChild");
}
DirectAnnotationVisitorChild davc = new DirectAnnotationVisitorChild();
if (!"visit".equals(davc.visit(null))) {
throw new RuntimeException("Problem with DirectAnnotationVisitorChild");
}
}
private static class DirectElementVisitorChild
implements ElementVisitor<String, Object> {
public DirectElementVisitorChild() {
super();
}
@Override
public String visitModule(ModuleElement e, Object o) {
return ElementVisitor.super.visitModule(e, null);
}
@Override
public String visitUnknown(Element e, Object o) {
return "visitUnknown";
}
@Override
public String visit(Element e) {
return ElementVisitor.super.visit(e);
}
@Override
public String visit(Element e, Object o) {
return "visit";
}
@Override
public String visitExecutable(ExecutableElement e, Object o) { return throwUOE(); }
@Override
public String visitPackage(PackageElement e, Object o) { return throwUOE(); }
@Override
public String visitType(TypeElement e, Object o) { return throwUOE(); }
@Override
public String visitTypeParameter(TypeParameterElement e, Object o) { return throwUOE(); }
@Override
public String visitVariable(VariableElement e, Object o) { return throwUOE(); }
}
private static class IndirectElementVisitorChild
extends AbstractElementVisitor6<String, Object> {
public IndirectElementVisitorChild() {
super();
}
@Override
public String visitModule(ModuleElement e, Object o) {
return super.visitModule(e, o);
}
@Override
public String visitUnknown(Element e, Object o) {
return "visitUnknown";
}
@Override
public String visitExecutable(ExecutableElement e, Object o) { return throwUOE(); }
@Override
public String visitPackage(PackageElement e, Object o) { return throwUOE(); }
@Override
public String visitType(TypeElement e, Object o) { return throwUOE(); }
@Override
public String visitTypeParameter(TypeParameterElement e, Object o) { return throwUOE(); }
@Override
public String visitVariable(VariableElement e, Object o) { return throwUOE(); }
}
private static class DirectTypeVisitorChild
implements TypeVisitor<String, Object> {
public DirectTypeVisitorChild() {
super();
}
@Override
public String visit(TypeMirror t) {
return TypeVisitor.super.visit(t);
}
@Override
public String visit(TypeMirror t, Object o) {
return "visit";
}
@Override
public String visitUnknown(TypeMirror t, Object o) { return throwUOE(); }
@Override
public String visitArray(ArrayType t, Object o) { return throwUOE(); }
@Override
public String visitDeclared(DeclaredType t, Object o) { return throwUOE(); }
@Override
public String visitError(ErrorType t, Object o) { return throwUOE(); }
@Override
public String visitExecutable(ExecutableType t, Object o) { return throwUOE(); }
@Override
public String visitIntersection(IntersectionType t, Object o) { return throwUOE(); }
@Override
public String visitNoType(NoType t, Object o) { return throwUOE(); }
@Override
public String visitNull(NullType t, Object o) { return throwUOE(); }
@Override
public String visitPrimitive(PrimitiveType t, Object o) { return throwUOE(); }
@Override
public String visitTypeVariable(TypeVariable t, Object o) { return throwUOE(); }
@Override
public String visitUnion(UnionType t, Object o) { return throwUOE(); }
@Override
public String visitWildcard(WildcardType t, Object o) { return throwUOE(); }
}
private static class DirectAnnotationVisitorChild
implements AnnotationValueVisitor<String, Object> {
@Override
public String visit(AnnotationValue av) {
return AnnotationValueVisitor.super.visit(av);
}
@Override
public String visit(AnnotationValue av, Object o) {
return "visit";
}
@Override
public String visitAnnotation(AnnotationMirror a, Object o) { return throwUOE(); }
@Override
public String visitArray(List<? extends AnnotationValue> vals,
Object o) { return throwUOE(); }
@Override
public String visitBoolean(boolean b, Object o) { return throwUOE(); }
@Override
public String visitByte(byte b, Object o) { return throwUOE(); }
@Override
public String visitChar(char c, Object o) { return throwUOE(); }
@Override
public String visitDouble(double d, Object o) { return throwUOE(); }
@Override
public String visitEnumConstant(VariableElement c, Object o) { return throwUOE(); }
@Override
public String visitFloat(float f, Object o) { return throwUOE(); }
@Override
public String visitInt(int i, Object o) { return throwUOE(); }
@Override
public String visitLong(long i, Object o) { return throwUOE(); }
@Override
public String visitShort(short s, Object o) { return throwUOE(); }
@Override
public String visitString(String s, Object o) { return throwUOE(); }
@Override
public String visitType(TypeMirror t, Object o) { return throwUOE(); }
@Override
public String visitUnknown(AnnotationValue av, Object o) { return throwUOE(); }
}
private static String throwUOE() {
throw new UnsupportedOperationException();
}
}
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