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/*
 * Copyright 2015 Objectos, Fábrica de Software LTDA.
 *
 * Licensed 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.
 */
package br.com.objectos.way.code;

import java.lang.annotation.Annotation;
import java.util.Set;

import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.SourceVersion;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.util.ElementFilter;

import br.com.objectos.core.collections.ImmutableSet;

/**
 * @author [email protected] (Marcio Endo)
 */
public abstract class MethodAnnotationProcessor extends AbstractExecutableElementAnnotationProcessor {

  @Override
  public Set getSupportedAnnotationTypes() {
    Class type = annotationType();
    return ImmutableSet.of(type.getName());
  }

  @Override
  public SourceVersion getSupportedSourceVersion() {
    return SourceVersion.latestSupported();
  }

  protected abstract Class annotationType();

  @Override
  protected Set roundTypeElementSet(RoundEnvironment roundEnv) {
    Set elementSet = roundEnv.getElementsAnnotatedWith(annotationType());
    return ElementFilter.methodsIn(elementSet);
  }

}