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/*
 * 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.code;

import java.io.IOException;
import java.util.Objects;

import javax.annotation.processing.ProcessingEnvironment;
import javax.tools.Diagnostic;

import com.squareup.javapoet.JavaFile;

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

  protected Artifact() {
  }

  public static Artifact of(JavaFile javaFile) {
    Objects.requireNonNull(javaFile);
    return new JavaFileArtifact(javaFile);
  }

  public static ResourceArtifactBuilder resourceNamed(String name) {
    Objects.requireNonNull(name);
    return new ResourceArtifactBuilder(name);
  }

  protected void log(ProcessingEnvironment processingEnv, IOException e) {
    String msg = Throwables.getStackTraceAsString(e);
    processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "Processor threw an exception: " + msg);
  }

  protected abstract void execute(ProcessingEnvironment processingEnv);

}