io.dekorate.kind.apt.KindAnnotationProcessor Maven / Gradle / Ivy

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/**
 * Copyright 2018 The original authors.
 *
 * 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 io.dekorate.kind.apt;

import static io.dekorate.kind.config.KindConfigGenerator.KIND;

import java.util.HashSet;
import java.util.Set;

import javax.annotation.processing.RoundEnvironment;
import javax.annotation.processing.SupportedAnnotationTypes;
import javax.lang.model.element.Element;
import javax.lang.model.element.TypeElement;

import io.dekorate.kind.annotation.Kind;
import io.dekorate.processor.AbstractAnnotationProcessor;

@SupportedAnnotationTypes("io.dekorate.kind.annotation.Kind")
public class KindAnnotationProcessor extends AbstractAnnotationProcessor {

  public boolean process(Set annotations, RoundEnvironment roundEnv) {
    if (roundEnv.processingOver()) {
      getSession().close();
      return true;
    }
    Set mainClasses = new HashSet<>();
    for (TypeElement typeElement : annotations) {
      for (Element mainClass : roundEnv.getElementsAnnotatedWith(typeElement)) {
        mainClasses.add(mainClass);
      }
    }

    for (Element mainClass : mainClasses) {
      process(KIND, mainClass, Kind.class);
    }
    return false;
  }
}