Method deflate

app/src/processing/app/tools/ZipDeflater.java:30–68

()

  }

  public void deflate() throws IOException {
    String tmpFolderName = folderNameFromZip() + random.nextInt(1000000);

    File tmpFolder = new File(destFolder, tmpFolderName);

    if (!tmpFolder.mkdir()) {
      throw new IOException("Unable to create folder " + tmpFolderName);
    }

    Enumeration<? extends ZipEntry> entries = zipFile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry entry = entries.nextElement();
      ensureFoldersOfEntryExist(tmpFolder, entry);
      File entryFile = new File(tmpFolder, entry.getName());
      if (entry.isDirectory()) {
        entryFile.mkdir();
      } else {
        FileOutputStream fos = null;
        InputStream zipInputStream = null;
        try {
          fos = new FileOutputStream(entryFile);
          zipInputStream = zipFile.getInputStream(entry);
          byte[] buffer = new byte[1024 * 4];
          int len = -1;
          while ((len = zipInputStream.read(buffer)) != -1) {
            fos.write(buffer, 0, len);
          }
        } finally {
          IOUtils.closeQuietly(fos);
          IOUtils.closeQuietly(zipInputStream);
        }
      }
    }

    deleteUndesiredFoldersAndFiles(tmpFolder);

    // Test.zip may or may not contain Test folder. If it does, we keep it. If not, we use zip name.
    ensureOneLevelFolder(tmpFolder);
  }

  private void deleteUndesiredFoldersAndFiles(File folder) {
    for (File file : folder.listFiles()) {