code: /**
   * This file is part of Eclipse Steady.
   *
   * 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.java.decompiler;
  
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStreamWriter;
  
  import com.strobel.decompiler.Decompiler;
  import com.strobel.decompiler.DecompilerSettings;
  import com.strobel.decompiler.PlainTextOutput;
  
  import org.apache.commons.io.FilenameUtils;
  import org.apache.logging.log4j.Logger;
  import org.eclipse.steady.shared.util.FileUtil;
  
  /**
   * <p>ProcyonDecompiler class.</p>
   */
  public class ProcyonDecompiler implements IDecompiler {
  
    private static final Logger log =
        org.apache.logging.log4j.LogManager.getLogger(ProcyonDecompiler.class);
  
    /** {@inheritDoc} */
    @Override
    public File decompileClassFile(File inputClassFile) {
  
      // Default settings for the decompilers
      final DecompilerSettings settings = new DecompilerSettings();
      settings.setShowSyntheticMembers(true);
      settings.setSimplifyMemberReferences(true);
      settings.setExcludeNestedTypes(true);
  
      String classFilePath = inputClassFile.getPath();
      String fileNameWithOutExt = FilenameUtils.removeExtension(inputClassFile.getName());
      File outFile = new File(inputClassFile.getParent(), fileNameWithOutExt + ".java");
  
      try {
  
        final FileOutputStream stream = new FileOutputStream(outFile.toString());
        final OutputStreamWriter writer = new OutputStreamWriter(stream, FileUtil.getCharset());
  
        try {
          Decompiler.decompile(classFilePath, new PlainTextOutput(writer), settings);
        } finally {
          writer.close();
          stream.close();
        }
      } catch (final IOException e) {
        log.debug(e.getMessage());
      }
  
      return outFile;
    }
  }
  