66 lines
2.5 KiB
Java
66 lines
2.5 KiB
Java
/*
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* Copyright (c) 2016, 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.io.IOError;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.charset.StandardCharsets;
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import java.util.Set;
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import javax.annotation.processing.RoundEnvironment;
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import javax.annotation.processing.SupportedAnnotationTypes;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.TypeElement;
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import javax.tools.JavaFileObject;
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// This processor generates the missing annotation types of the form AutoAnnotation_*
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// thereby making sure annotation processing doesn't abort/crash on account of that.
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@SupportedAnnotationTypes("*")
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public class Processor extends JavacTestingAbstractProcessor {
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if (!roundEnv.processingOver()) {
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for (Element element : roundEnv.getRootElements()) {
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String elementName = element.getSimpleName().toString();
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if (elementName.startsWith("AutoAnnotation_")) {
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continue;
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}
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String name = "AutoAnnotation_" + elementName;
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JavaFileObject jfo;
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try {
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jfo = processingEnv.getFiler().createSourceFile(name, element);
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} catch (IOException e) {
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throw new IOError(e);
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}
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try (OutputStream os = jfo.openOutputStream()) {
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String output = String.format("public @interface %s {}", name);
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os.write(output.getBytes(StandardCharsets.UTF_8));
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} catch (IOException e) {
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throw new IOError(e);
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}
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}
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}
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return false;
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}
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} |