73 lines
3.0 KiB
Java
73 lines
3.0 KiB
Java
/*
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* Copyright (c) 2018, Google Inc. 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 static java.nio.charset.StandardCharsets.UTF_8;
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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.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.PackageElement;
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import javax.lang.model.element.TypeElement;
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@SupportedAnnotationTypes("*")
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public class Processor extends JavacTestingAbstractProcessor {
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boolean first = true;
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@Override
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public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
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if (first) {
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// Annotations are present on the initial package-info loaded from the classpath.
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PackageElement p = processingEnv.getElementUtils().getPackageElement("p");
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if (p.getAnnotationMirrors().isEmpty()) {
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throw new AssertionError(
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"expected package annotations: " + p.getAnnotationMirrors());
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}
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// Overwrite the package-info with a new unannotated package-info.
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try (OutputStream os =
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processingEnv
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.getFiler()
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.createSourceFile("p.package-info")
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.openOutputStream()) {
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os.write("package p;".getBytes(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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first = false;
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}
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// The package-info's symbol should be reset between rounds, and when annotation
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// processing is over the package-info should be unannotated.
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PackageElement p = processingEnv.getElementUtils().getPackageElement("p");
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if (roundEnv.processingOver()) {
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if (!p.getAnnotationMirrors().isEmpty()) {
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throw new AssertionError(
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"expected no package annotations: " + p.getAnnotationMirrors());
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}
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}
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return false;
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}
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}
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