/*
 * Copyright 2017-present Facebook, Inc.
 *
 * 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 com.facebook.buck.jvm.java.abi.source;

import com.sun.source.util.Trees;
import java.util.Locale;
import java.util.Map;
import javax.annotation.processing.Filer;
import javax.annotation.processing.Messager;
import javax.annotation.processing.ProcessingEnvironment;
import javax.lang.model.SourceVersion;
import javax.lang.model.util.Elements;
import javax.lang.model.util.Types;

class TreeBackedProcessingEnvironment implements ProcessingEnvironment {
  private final FrontendOnlyJavacTask task;
  private final ProcessingEnvironment javacProcessingEnvironment;
  private final TreeBackedMessager messager;
  private final TreeBackedFiler filer;

  public TreeBackedProcessingEnvironment(
      FrontendOnlyJavacTask task, ProcessingEnvironment javacProcessingEnvironment) {
    this.task = task;
    this.javacProcessingEnvironment = javacProcessingEnvironment;
    messager = new TreeBackedMessager(task, javacProcessingEnvironment.getMessager());
    filer = new TreeBackedFiler(task, javacProcessingEnvironment.getFiler());
  }

  @Override
  public Map<String, String> getOptions() {
    return javacProcessingEnvironment.getOptions();
  }

  @Override
  public Messager getMessager() {
    return messager;
  }

  @Override
  public Filer getFiler() {
    return filer;
  }

  @Override
  public Elements getElementUtils() {
    return task.getElements();
  }

  @Override
  public Types getTypeUtils() {
    return task.getTypes();
  }

  public Trees getTreeUtils() {
    return task.getTrees();
  }

  @Override
  public SourceVersion getSourceVersion() {
    return javacProcessingEnvironment.getSourceVersion();
  }

  @Override
  public Locale getLocale() {
    return javacProcessingEnvironment.getLocale();
  }
}