Processing sketch : saveBytesGZFailure

MySaveBytes.pde

   
   public  void saveBytesZZZ(String filename, byte[] data) {
      saveBytesZZZ(saveFile(filename), data);
    }

  /**
   * @nowebref
   * Saves bytes to a specific File location specified by the user.
   */  
   public void saveBytesZZZ(File file, byte[] data) {
    println("saveBytes(File): " + file.getAbsolutePath() );
    File tempFile = null;
    try {
      File parentDir = file.getParentFile();
      tempFile = File.createTempFile(file.getName(), makeTempFileExtensionFromOriginal(file) , parentDir);

      println("saveBytes(File): temp file: " + tempFile.getAbsolutePath() );
      OutputStream output = createOutput(tempFile);
      saveBytes(output, data);
      output.close();
      output = null;

      if (file.exists()) {
        if (!file.delete()) {
          System.err.println("Could not replace " + file.getAbsolutePath());
        }
      }

      if (!tempFile.renameTo(file)) {
        System.err.println("Could not rename temporary file " +
                           tempFile.getAbsolutePath());
      }

    } catch (IOException e) {
      System.err.println("error saving bytes to " + file);
      if (tempFile != null) {
        tempFile.delete();
      }
      e.printStackTrace();
    }
  }
  
  
  /**
  * Makes extension for the tmp file, based on the name of the original file.
  * @return NULL in case NO ".gz" extension is necessary, and ".gz" if original file has it. 
  */
  private static String makeTempFileExtensionFromOriginal(File originalFile){
      if ( originalFile.getAbsolutePath().toLowerCase().endsWith(".gz") ){
        return ".gz";
      }    
      else{
        return null;
      }
    
  }

saveBytesGZFailure.pde

//#GIST:7599874
final int C_STRING_COUNT = 10 * 1000;
 
void setup() {
  
  //Utils.sketchPath = sketchPath("");
  
  String[] strings = new String[C_STRING_COUNT];
  for (int i = 0  ; i < C_STRING_COUNT ; i++) {
    strings[i] = new String("Number " + i );
  }
 
  saveStrings("regular_file.txt", strings);
  saveStrings("gzipped_file.txt.gz", strings); 
 
  // the compression would work also with saveBytes("my_byte_file.bin.gz", someByteArray);
 
 
  // and now let's load gzipped file back
 
  String[] comingBackFromGzipped = loadStrings("gzipped_file.txt.gz");
  println("Loaded back from gzipped: " + comingBackFromGzipped.length + " strings");
 
  println("Here's sample 10 items, to show that they were loaded back fine:" );
  for (int i = 0; i < 10; i++) {
    println(comingBackFromGzipped[i]);
  }
 
 
  // Test by gyula
  byte b[] = loadBytes("gzipped_file.txt.gz"); 
 
  saveBytesZZZ("regular_file.txt.bin", b);
  saveBytesZZZ("gzipped_file.txt.bin.gz", b);
 
  exit();
}