content: /*
   * Copyright 2016 Google 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.google.googlejavaformat.java.filer;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import com.google.googlejavaformat.java.Formatter;
  import java.io.IOException;
  import jdkx.annotation.processing.Filer;
  import jdkx.annotation.processing.Messager;
  import jdkx.lang.model.element.Element;
  import jdkx.tools.FileObject;
  import jdkx.tools.JavaFileManager;
  import jdkx.tools.JavaFileObject;
  import org.checkerframework.checker.nullness.qual.Nullable;
  
  /**
   * A decorating {@link Filer} implementation which formats Java source files with a {@link
   * Formatter}.
   */
  public final class FormattingFiler implements Filer {
  
    private final Filer delegate;
    // TODO(ronshapiro): consider allowing users to create their own Formatter instance
    private final Formatter formatter = new Formatter();
    private final Messager messager;
  
    /** @param delegate filer to decorate */
    public FormattingFiler(Filer delegate) {
      this(delegate, null);
    }
  
    /**
     * Create a new {@link FormattingFiler}. An optional {@link Messager} may be specified to make
     * logs more visible.
     *
     * @param delegate filer to decorate
     * @param messager to log warnings to
     */
    public FormattingFiler(Filer delegate, @Nullable Messager messager) {
      this.delegate = checkNotNull(delegate);
      this.messager = messager;
    }
  
    @Override
    public JavaFileObject createSourceFile(CharSequence name, Element... originatingElements)
        throws IOException {
      return new FormattingJavaFileObject(
          delegate.createSourceFile(name, originatingElements), formatter, messager);
    }
  
    @Override
    public JavaFileObject createClassFile(CharSequence name, Element... originatingElements)
        throws IOException {
      return delegate.createClassFile(name, originatingElements);
    }
  
    @Override
    public FileObject createResource(
        JavaFileManager.Location location,
        CharSequence pkg,
        CharSequence relativeName,
        Element... originatingElements)
        throws IOException {
      return delegate.createResource(location, pkg, relativeName, originatingElements);
    }
  
    @Override
    public FileObject getResource(
        JavaFileManager.Location location, CharSequence pkg, CharSequence relativeName)
        throws IOException {
      return delegate.getResource(location, pkg, relativeName);
    }
  }
  