54 lines
2.1 KiB
Java
54 lines
2.1 KiB
Java
/*
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* Copyright (c) 2010, 2021, 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.Set;
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import javax.annotation.processing.*;
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import javax.lang.model.element.*;
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import javax.lang.model.util.ElementFilter;
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import javax.lang.model.SourceVersion;
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@SupportedAnnotationTypes("*")
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public class MyProcessor extends AbstractProcessor {
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private Messager messager;
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public void init(ProcessingEnvironment processingEnv) {
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this.messager = processingEnv.getMessager();
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}
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public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv) {
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if (!renv.processingOver()) {
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for(TypeElement e : ElementFilter.typesIn(renv.getRootElements())) {
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for (TypeParameterElement tp : e.getTypeParameters()) {
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if (tp.getSimpleName().toString().length() > 1) {
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messager.printWarning("Type param names should be of length 1", tp);
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}
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}
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}
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}
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return true;
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}
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public SourceVersion getSupportedSourceVersion() {
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return SourceVersion.latest();
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}
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}
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