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/*
* Copyright (c) 2025, 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 8322706
* @summary Verify that annotation values are de-proxies after loading from a classfile.
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.JavacTask toolbox.ToolBox toolbox.Task
* @run main TestAnnotationValuesResolved
*/
import com.sun.source.tree.ClassTree;
import com.sun.source.util.TaskEvent;
import com.sun.source.util.TaskEvent.Kind;
import com.sun.source.util.TaskListener;
import com.sun.source.util.TreePathScanner;
import com.sun.source.util.Trees;
import java.nio.file.Files;
import toolbox.*;
import java.nio.file.Path;
import java.nio.file.Paths;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.AnnotationValue;
import javax.lang.model.element.Element;
import javax.lang.model.util.Elements;
import javax.lang.model.util.SimpleAnnotationValueVisitorPreview;
public class TestAnnotationValuesResolved extends TestRunner {
final toolbox.ToolBox tb = new ToolBox();
public TestAnnotationValuesResolved() {
super(System.err);
}
public static void main(String[] args) throws Exception {
new TestAnnotationValuesResolved().runTests();
}
protected void runTests() throws Exception {
runTests(m -> new Object[] { Path.of(m.getName()) });
}
@Test
public void test(Path base) throws Exception {
Path lib = Paths.get("lib");
Path libSrc = lib.resolve("src");
Path libClasses = lib.resolve("classes");
tb.writeJavaFiles(libSrc,
"""
package org.example;
public @interface MyFirstAnnotation {
MySecondAnnotation secondAnnotation() default @MySecondAnnotation;
}
""",
"""
package org.example;
public @interface MySecondAnnotation {
String[] stringArray() default "";
}
"""
);
Files.createDirectories(libClasses);
new toolbox.JavacTask(tb)
.outdir(libClasses)
.files(tb.findJavaFiles(libSrc))
.run();
Path test = Paths.get("test");
Path testSrc = test.resolve("src");
Path testClasses = test.resolve("classes");
tb.writeJavaFiles(testSrc,
"""
package org.example;
@MyFirstAnnotation
public class AnnotatedClass {
}
""");
Files.createDirectories(testClasses);
new toolbox.JavacTask(tb)
.classpath(libClasses)
.outdir(testClasses)
.files(tb.findJavaFiles(testSrc))
.callback(task -> {
task.addTaskListener(new TaskListener() {
@Override
public void finished(TaskEvent e) {
if (e.getKind() == Kind.ENTER) {
new TreePathScanner<>() {
@Override
public Object visitClass(ClassTree node, Object p) {
Trees trees = Trees.instance(task);
Element el = trees.getElement(getCurrentPath());
verifyAnnotationValuesResolved(task, el);
return super.visitClass(node, p);
}
}.scan(e.getCompilationUnit(), null);
}
}
});
})
.run()
.writeAll();
}
private void verifyAnnotationValuesResolved(com.sun.source.util.JavacTask task,
Element forElement) {
Elements elements = task.getElements();
class SearchAnnotationValues extends SimpleAnnotationValueVisitorPreview {
@Override
public Object visitAnnotation(AnnotationMirror a, Object p) {
for (AnnotationValue av : elements.getElementValuesWithDefaults(a).values()) {
av.accept(this, null);
}
return super.visitAnnotation(a, p);
}
}
for (AnnotationMirror mirror : forElement.getAnnotationMirrors()) {
new SearchAnnotationValues().visitAnnotation(mirror, null);
}
}
}
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