本文整理匯總了Java中org.apache.hadoop.io.IOUtils.NullOutputStream方法的典型用法代碼示例。如果您正苦於以下問題：Java IOUtils.NullOutputStream方法的具體用法？Java IOUtils.NullOutputStream怎麽用？Java IOUtils.NullOutputStream使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.io.IOUtils的用法示例。
在下文中一共展示了IOUtils.NullOutputStream方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getCompressedSize
import org.apache.hadoop.io.IOUtils; //導入方法依賴的package包/類
/**
* Find the size of compressed data assuming that buffer will be compressed
* using given algorithm.
* @param algo compression algorithm
* @param compressor compressor already requested from codec
* @param inputBuffer Array to be compressed.
* @param offset Offset to beginning of the data.
* @param length Length to be compressed.
* @return Size of compressed data in bytes.
* @throws IOException
*/
public static int getCompressedSize(Algorithm algo, Compressor compressor,
byte[] inputBuffer, int offset, int length) throws IOException {
DataOutputStream compressedStream = new DataOutputStream(
new IOUtils.NullOutputStream());
if (compressor != null) {
compressor.reset();
}
OutputStream compressingStream = null;
try {
compressingStream = algo.createCompressionStream(
compressedStream, compressor, 0);
compressingStream.write(inputBuffer, offset, length);
compressingStream.flush();
return compressedStream.size();
} finally {
if (compressingStream != null) compressingStream.close();
}
}