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/*******************************************************************************
* Copyright (c) 2007 BEA Systems, Inc.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* wharley@bea.com - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.apt.pluggable.tests.processors.message6;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Messager;
import javax.annotation.processing.ProcessingEnvironment;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedOptions;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.tools.Diagnostic;
import org.eclipse.jdt.apt.pluggable.tests.annotations.Message6;
/**
* A processor that reads the Message6 annotation and sends output via the Messager API
*/
@SupportedAnnotationTypes({"org.eclipse.jdt.apt.pluggable.tests.annotations.Message6"})
@SupportedSourceVersion(SourceVersion.RELEASE_6)
@SupportedOptions({})
public class Message6Proc extends AbstractProcessor {
private ProcessingEnvironment _processingEnv;
private Messager _messager;
/* (non-Javadoc)
* @see javax.annotation.processing.AbstractProcessor#init(javax.annotation.processing.ProcessingEnvironment)
*/
@Override
public synchronized void init(ProcessingEnvironment processingEnv) {
super.init(processingEnv);
_processingEnv = processingEnv;
_messager = _processingEnv.getMessager();
}
/* (non-Javadoc)
* @see javax.annotation.processing.AbstractProcessor#process(java.util.Set, javax.annotation.processing.RoundEnvironment)
*/
@Override
public boolean process(Set<? extends TypeElement> annotations,
RoundEnvironment roundEnv)
{
if (!annotations.isEmpty()) {
round(annotations, roundEnv);
}
return true;
}
/**
* Perform a round of processing
*/
private void round(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
TypeElement genClassAnno = annotations.iterator().next();
Set<? extends Element> annotatedEls = roundEnv.getElementsAnnotatedWith(genClassAnno);
for (Element annotatedEl : annotatedEls) {
Message6 messageMirror = annotatedEl.getAnnotation(Message6.class);
Diagnostic.Kind kind = Diagnostic.Kind.OTHER;
String text = null;
try {
kind = messageMirror.value();
text = messageMirror.text();
} catch (Exception e) {
// Do nothing: compiler will have put up a syntax error on the annotation already
return;
}
if (kind != Diagnostic.Kind.OTHER) {
_messager.printMessage(kind, text, annotatedEl);
}
}
}
}
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