br.com.objectos.way.code.RoundEnvironmentWrapper Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of way-code-apt Show documentation
The newest version!
/*
 * Copyright 2014 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.ProcessingEnvironment;
import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;
import javax.lang.model.util.ElementFilter;

import br.com.objectos.way.core.util.WayIterable;
import br.com.objectos.way.core.util.WayIterables;

import com.google.common.base.Function;

/**
 * @author [email protected] (Marcio Endo)
 */
public class RoundEnvironmentWrapper {

  private final ProcessingEnvironment processingEnv;
  private final RoundEnvironment roundEnv;

  public RoundEnvironmentWrapper(ProcessingEnvironment processingEnv, RoundEnvironment roundEnv) {
    this.processingEnv = processingEnv;
    this.roundEnv = roundEnv;
  }

  public static RoundEnvironmentWrapper wrapperOf(ProcessingEnvironment processingEnv, RoundEnvironment roundEnv) {
    return new RoundEnvironmentWrapper(processingEnv, roundEnv);
  }

  public WayIterable typesAnnotatedWith(Class annotationType) {
    Set elementSet;
    elementSet = roundEnv.getElementsAnnotatedWith(annotationType);

    Set typeSet;
    typeSet = ElementFilter.typesIn(elementSet);

    return WayIterables.from(typeSet);
  }

  public WayIterable typesInfoAnnotatedWith(Class annotationType) {
    final ProcessingEnvironmentWrapper processingEnvironmentWrapper;
    processingEnvironmentWrapper = ProcessingEnvironmentWrapper.wrapperOf(processingEnv);

    return typesAnnotatedWith(annotationType)
        .transform(new Function() {
          @Override
          public TypeInfo apply(TypeElement input) {
            return TypeInfoTypeElement.wrap(processingEnvironmentWrapper, input);
          }
        });
  }

}