package org.issue;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.IOException;
import java.io.Writer;
import java.util.Set;
import javax.annotation.processing.AbstractProcessor;
import javax.annotation.processing.Filer;
import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.annotation.processing.SupportedSourceVersion;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.Name;
import javax.lang.model.element.PackageElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.Elements;
import javax.tools.FileObject;
import javax.tools.StandardLocation;
@SupportedSourceVersion( SourceVersion.RELEASE_6 )
@SupportedAnnotationTypes( "org.issue.SimpleAnnotation" )
public class SimpleAnnotationProcessor
extends AbstractProcessor
{
@Override
public boolean process( Set<? extends TypeElement> annotations, RoundEnvironment roundEnv )
{
Filer filer = processingEnv.getFiler();
Elements elementUtils = processingEnv.getElementUtils();
Set<? extends Element> elements = roundEnv.getElementsAnnotatedWith( SimpleAnnotation.class );
for ( Element element : elements )
{
Name name = element.getSimpleName();
PackageElement packageElement = elementUtils.getPackageOf( element );
try
{
FileObject resource =
filer.createResource( StandardLocation.SOURCE_OUTPUT, packageElement.getQualifiedName(), name
+ ".txt", element );
Writer writer = resource.openWriter();
writer.write( name.toString() );
writer.close();
}
catch ( IOException e )
{
throw new RuntimeException( e );
}
}
return !elements.isEmpty();
}
}