AbstractSpreadSheetDocumentRecordReader.java 文件源码

@Override
public synchronized void  close() throws IOException {
try {
    if (officeReader!=null) {
    officeReader.close();
     }
    } finally {
      if (decompressor != null) { // return this decompressor
        CodecPool.returnDecompressor(decompressor);
        decompressor = null;
      } // return decompressor of linked workbooks
    if (this.currentHFR!=null) {
        currentHFR.close();
    }
    }
    // do not close the filesystem! will cause exceptions in Spark

}