test/langtools/tools/javac/diags/examples/DuplicateSupportedInfoFromProc/processors/AnnoProc.java
author darcy
Thu, 23 May 2019 18:47:24 -0700
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8224177: Harden annotation processing framework to irregular behavior from processors Reviewed-by: jjg
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/*
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 * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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import java.util.*;
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import javax.annotation.processing.*;
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import javax.lang.model.*;
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import javax.lang.model.element.*;
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public class AnnoProc extends AbstractProcessor {
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    public boolean process(Set<? extends TypeElement> elems, RoundEnvironment renv) {
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        return true;
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    }
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    @Override
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    public Set<String> getSupportedOptions() {
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        IdentityHashMap<String, Integer> temp = new IdentityHashMap<>();
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        temp.put(new String("foo"), 1);
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        temp.put(new String("foo"), 2);
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        // Return a set with two copies of the option name "foo".
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        return temp.keySet();
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    }
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    @Override
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    public Set<String> getSupportedAnnotationTypes() {
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        IdentityHashMap<String, Integer> temp = new IdentityHashMap<>();
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        temp.put(new String("java.lang.SupressWarnings"), 1);
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        temp.put(new String("java.lang.SupressWarnings"), 2);
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        // Return a set with two copies of the annotation type name.
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        return temp.keySet();
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    }
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    @Override
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    public SourceVersion getSupportedSourceVersion() {
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        return SourceVersion.latest();
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    }
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}