Examples with SnappyCodec io.airlift.compress.snappy.SnappyCodec used on opensource projects

Example 1 with SnappyCodec

use of io.airlift.compress.snappy.SnappyCodec in project DataX by alibaba.

the class UnstructuredStorageReaderUtil method readFromStream.

public static void readFromStream(InputStream inputStream, String context, Configuration readerSliceConfig, RecordSender recordSender, TaskPluginCollector taskPluginCollector) {
    String compress = readerSliceConfig.getString(Key.COMPRESS, null);
    if (StringUtils.isBlank(compress)) {
        compress = null;
    }
    String encoding = readerSliceConfig.getString(Key.ENCODING, Constant.DEFAULT_ENCODING);
    // handle blank encoding
    if (StringUtils.isBlank(encoding)) {
        encoding = Constant.DEFAULT_ENCODING;
        LOG.warn(String.format("您配置的encoding为[%s], 使用默认值[%s]", encoding, Constant.DEFAULT_ENCODING));
    }
    List<Configuration> column = readerSliceConfig.getListConfiguration(Key.COLUMN);
    // handle ["*"] -> [], null
    if (null != column && 1 == column.size() && "\"*\"".equals(column.get(0).toString())) {
        readerSliceConfig.set(Key.COLUMN, null);
        column = null;
    }
    BufferedReader reader = null;
    int bufferSize = readerSliceConfig.getInt(Key.BUFFER_SIZE, Constant.DEFAULT_BUFFER_SIZE);
    // compress logic
    try {
        if (null == compress) {
            reader = new BufferedReader(new InputStreamReader(inputStream, encoding), bufferSize);
        } else {
            // TODO compress
            if ("lzo_deflate".equalsIgnoreCase(compress)) {
                LzoInputStream lzoInputStream = new LzoInputStream(inputStream, new LzoDecompressor1x_safe());
                reader = new BufferedReader(new InputStreamReader(lzoInputStream, encoding));
            } else if ("lzo".equalsIgnoreCase(compress)) {
                LzoInputStream lzopInputStream = new ExpandLzopInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(lzopInputStream, encoding));
            } else if ("gzip".equalsIgnoreCase(compress)) {
                CompressorInputStream compressorInputStream = new GzipCompressorInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(compressorInputStream, encoding), bufferSize);
            } else if ("bzip2".equalsIgnoreCase(compress)) {
                CompressorInputStream compressorInputStream = new BZip2CompressorInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(compressorInputStream, encoding), bufferSize);
            } else if ("hadoop-snappy".equalsIgnoreCase(compress)) {
                CompressionCodec snappyCodec = new SnappyCodec();
                InputStream snappyInputStream = snappyCodec.createInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(snappyInputStream, encoding));
            } else if ("framing-snappy".equalsIgnoreCase(compress)) {
                InputStream snappyInputStream = new SnappyFramedInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(snappyInputStream, encoding));
            } else /*else if ("xz".equalsIgnoreCase(compress)) {
					CompressorInputStream compressorInputStream = new XZCompressorInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							compressorInputStream, encoding));
				} else if ("ar".equalsIgnoreCase(compress)) {
					ArArchiveInputStream arArchiveInputStream = new ArArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							arArchiveInputStream, encoding));
				} else if ("arj".equalsIgnoreCase(compress)) {
					ArjArchiveInputStream arjArchiveInputStream = new ArjArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							arjArchiveInputStream, encoding));
				} else if ("cpio".equalsIgnoreCase(compress)) {
					CpioArchiveInputStream cpioArchiveInputStream = new CpioArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							cpioArchiveInputStream, encoding));
				} else if ("dump".equalsIgnoreCase(compress)) {
					DumpArchiveInputStream dumpArchiveInputStream = new DumpArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							dumpArchiveInputStream, encoding));
				} else if ("jar".equalsIgnoreCase(compress)) {
					JarArchiveInputStream jarArchiveInputStream = new JarArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							jarArchiveInputStream, encoding));
				} else if ("tar".equalsIgnoreCase(compress)) {
					TarArchiveInputStream tarArchiveInputStream = new TarArchiveInputStream(
							inputStream);
					reader = new BufferedReader(new InputStreamReader(
							tarArchiveInputStream, encoding));
				}*/
            if ("zip".equalsIgnoreCase(compress)) {
                ZipCycleInputStream zipCycleInputStream = new ZipCycleInputStream(inputStream);
                reader = new BufferedReader(new InputStreamReader(zipCycleInputStream, encoding), bufferSize);
            } else {
                throw DataXException.asDataXException(UnstructuredStorageReaderErrorCode.ILLEGAL_VALUE, String.format("仅支持 gzip, bzip2, zip, lzo, lzo_deflate, hadoop-snappy, framing-snappy" + "文件压缩格式 , 不支持您配置的文件压缩格式: [%s]", compress));
            }
        }
        UnstructuredStorageReaderUtil.doReadFromStream(reader, context, readerSliceConfig, recordSender, taskPluginCollector);
    } catch (UnsupportedEncodingException uee) {
        throw DataXException.asDataXException(UnstructuredStorageReaderErrorCode.OPEN_FILE_WITH_CHARSET_ERROR, String.format("不支持的编码格式 : [%s]", encoding), uee);
    } catch (NullPointerException e) {
        throw DataXException.asDataXException(UnstructuredStorageReaderErrorCode.RUNTIME_EXCEPTION, "运行时错误, 请联系我们", e);
    }/* catch (ArchiveException e) {
			throw DataXException.asDataXException(
					UnstructuredStorageReaderErrorCode.READ_FILE_IO_ERROR,
					String.format("压缩文件流读取错误 : [%s]", context), e);
		} */
     catch (IOException e) {
        throw DataXException.asDataXException(UnstructuredStorageReaderErrorCode.READ_FILE_IO_ERROR, String.format("流读取错误 : [%s]", context), e);
    } finally {
        IOUtils.closeQuietly(reader);
    }
}