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/*
* Copyright (c) 2006, 2019, 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 8224177
* @summary Test warnings from the annotation processing runtime about malformed supported information from processors.
* @compile TestRepeatedItemsRuntime.java
* @compile/ref=gold_sv_none.out -XDrawDiagnostics -processor TestRepeatedItemsRuntime -proc:only TestRepeatedItemsRuntime.java
* @compile/ref=auric_current.out -XDrawDiagnostics -processor TestRepeatedItemsRuntime -proc:only -Xlint:processing TestRepeatedItemsRuntime.java
*/
import java.lang.annotation.*;
import java.util.*;
import javax.annotation.processing.*;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.TypeElement;
/**
* A warning should be issued by the logic in
* javax.annotation.processing.AbstractProcessor for the repeated
* information. The "Foo" option warnings occur regardless of source
* level. The number of times the Baz annotation type is repeated
* depends on whether or not the source level supports modules.
*/
@Quux
public class TestRepeatedItemsRuntime extends AbstractProcessor {
@Override
public SourceVersion getSupportedSourceVersion() {
return SourceVersion.latest();
}
@Override
public Set<String>getSupportedOptions() {
IdentityHashMap<String, Integer> temp = new IdentityHashMap<>();
// Use String constructor for identity map.
temp.put(new String("foo"), 1);
temp.put(new String("foo"), 2);
var returnValue = temp.keySet();
assert returnValue.size() == 2;
return returnValue;
}
/**
* Partial implementation of the Set interface with identity
* semantics and predictable iteration order.
*
* The javax.annotation.processing.Processor protocol relies on
* the iterator.
*/
private static class ArrayBackedSet implements Set<String> {
private static String[] data = {"Quux",
"Quux",
"&&&/foo.Bar",
"foo.Bar",
"foo.Bar",
"quux/Quux",
"*"};
public ArrayBackedSet() {}
// Return an iterator of known iteration order so the set warning messages will be predictable.
@Override
public Iterator<String> iterator() {
return Arrays.asList(data).iterator();
}
@Override
public boolean add(String e) {
throw new UnsupportedOperationException();
}
@Override
public boolean addAll(Collection<? extends String> c) {
throw new UnsupportedOperationException();
}
@Override
public void clear() {
throw new UnsupportedOperationException();
}
@Override
public boolean contains(Object o){
throw new UnsupportedOperationException();
}
@Override
public boolean containsAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean equals(Object o) {
return o == this;
}
@Override
public int hashCode() {
int hash = 0;
for (String s : data) {
hash += s.hashCode();
}
return hash;
}
@Override
public boolean isEmpty() {
return data.length > 0;
}
@Override
public boolean remove(Object o) {
throw new UnsupportedOperationException();
}
@Override
public boolean removeAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public boolean retainAll(Collection<?> c) {
throw new UnsupportedOperationException();
}
@Override
public int size() {
return data.length;
}
@Override
public Object[] toArray() {
return data.clone();
}
@Override
public <T> T[] toArray(T[] a) {
throw new UnsupportedOperationException();
}
}
@Override
public Set<String>getSupportedAnnotationTypes() {
return new ArrayBackedSet();
}
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnvironment) {
return true;
}
}
@Retention(RetentionPolicy.RUNTIME)
@interface Quux {
}
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