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