コード例 #1
0
  public static Blob file2Blob(final File file, final BytesPool pool) {
    InputStream is = null;
    PooledBytesOutputStream os = null;

    try {
      is = new FileInputStream(file);
      os = new PooledBytesOutputStream(pool);
      inputStream2OutputStream(is, os);
      return os.drainToBlob();
    } catch (Exception e) {
      LOG.warn(
          "exception when file2Blob for file {}, detail: {}",
          file,
          ExceptionUtils.exception2detail(e));
    } finally {
      if (null != is) {
        try {
          is.close();
        } catch (IOException e) {
        }
      }
      if (null != os) {
        try {
          os.close();
        } catch (IOException e) {
        }
      }
    }
    return null;
  }
コード例 #2
0
 public static long inputStream2OutputStream(
     final InputStream is, final PooledBytesOutputStream os) {
   long totalBytes = 0;
   final Ref<byte[]> bytes = os.pool().retainObject();
   try {
     while (is.available() > 0) {
       final int actualSize = is.read(bytes.object());
       if (actualSize == -1) {
         break;
       }
       os.write(bytes.object(), 0, actualSize);
       totalBytes += actualSize;
       if (LOG.isTraceEnabled()) {
         LOG.trace("read bytebuf's content to bytesList, size {}", actualSize);
       }
     }
   } catch (Exception e) {
     LOG.warn(
         "exception when inputStream -> OutputStream, detail: {}",
         ExceptionUtils.exception2detail(e));
   } finally {
     bytes.release();
   }
   return totalBytes;
 }
コード例 #3
0
  public static InputStream inputStream2BytesListInputStream(
      final InputStream is, final BytesPool pool) {
    final PooledBytesOutputStream os = new PooledBytesOutputStream(pool);

    inputStream2OutputStream(is, os);
    return Blob.Utils.releaseAndGenInputStream(os.drainToBlob());
  }