content: /*
   *   MIT License
   *
   *   Copyright (c) 2016 Alibaba Group
   *
   *   Permission is hereby granted, free of charge, to any person obtaining a copy
   *   of this software and associated documentation files (the "Software"), to deal
   *   in the Software without restriction, including without limitation the rights
   *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   *   copies of the Software, and to permit persons to whom the Software is
   *   furnished to do so, subject to the following conditions:
   *
   *   The above copyright notice and this permission notice shall be included in all
   *   copies or substantial portions of the Software.
   *
   *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   *   SOFTWARE.
   */
  
  package com.alibaba.tac.engine.code;
  
  import com.alibaba.tac.engine.properties.TacDataPathProperties;
  import com.google.common.collect.Lists;
  import com.google.common.hash.Hashing;
  import org.apache.commons.io.FileUtils;
  import org.apache.commons.io.filefilter.DirectoryFileFilter;
  import org.apache.commons.io.filefilter.FileFileFilter;
  import org.springframework.stereotype.Service;
  import org.springframework.util.FileCopyUtils;
  
  import javax.annotation.Resource;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.util.Collection;
  import java.util.List;
  
  @Service
  public class TacFileService {
  
      @Resource
      private TacDataPathProperties tacDataPathProperties;
  
      public String getLoadClassFilePath(Long processID) {
          String path;
          String classloadPathPrefix = tacDataPathProperties.getClassLoadPathPrefix();
  
          if (!classloadPathPrefix.endsWith(File.separator)) {
              path = classloadPathPrefix + File.separator;
          } else {
              path = classloadPathPrefix;
          }
          path += processID + File.separator + processID + ".zip";
          return path;
      }
  
      public String getClassFileOutputPath(Long processID) {
  
          return getClassFileOutputPath(String.valueOf(processID));
      }
  
      public String getClassFileOutputPath(String suffix) {
          String path = "";
  
          String outputPathPrefix = tacDataPathProperties.getOutputPathPrefix();
  
          if (!outputPathPrefix.endsWith(File.separator)) {
              path = outputPathPrefix + File.separator;
          } else {
              path = outputPathPrefix;
          }
          path += suffix;
          return path;
      }
  
      public String getOutPutFilePath(Long processID) {
  
          return getClassFileOutputPath(processID) + ".zip";
      }
  
      public String getOutPutFilePath(String suffix) {
  
          return getClassFileOutputPath(suffix) + ".zip";
      }
  
      /**
       *listAllFiles
       *
       * @param directory
       * @return List
       */
      public static List<File> listAllFiles(File directory) {
          Collection<File> files = FileUtils.listFiles(directory, FileFileFilter.FILE, DirectoryFileFilter.DIRECTORY);
          return Lists.newArrayList(files);
      }
  
  
      /**
       *
       *
       * @param file the file to delete
       * @throws IOException if an I/O error occurs
       * @see
       */
      public static void deleteRecursively(File file) throws IOException {
          if (file.isDirectory()) {
              FileUtils.deleteDirectory(file);
              return ;
          }
          if (!file.delete()) {
              throw new IOException("Failed to delete " + file);
          }
      }
  
      /**
       * @param zipFile
       * @return
       * @throws IOException
       */
      public static byte[] getFileBytes(File zipFile) throws IOException {
          FileInputStream inputStream = null;
          inputStream = new FileInputStream(zipFile);
          byte[] zipFileBytes = FileCopyUtils.copyToByteArray(inputStream);
  
          return zipFileBytes;
      }
  
      /**
       * @param data
       * @return
       */
      public static String getMd5(byte[] data) {
  
          String md5 = Hashing.md5().hashBytes(data).toString();
  
          return md5;
      }
  }
  