Examples of java.io.DataInputStream.readLong()

java.io.DataInputStream.readLong()
See the general contract of the readLong method of DataInput.
Bytes for this operation are read from the contained input stream. @return the next eight bytes of this input stream, interpreted as along. @exception EOFException if this input stream reaches the end beforereading eight bytes. @exception IOException the stream has been closed and the containedinput stream does not support reading after close, or another I/O error occurs. @see java.io.FilterInputStream#in

        if(dataLength <= 0) throw new StorageFormatException("Bad data length");
        if(dataLength != originalData.size())
            throw new ResumeFailedException("Original data size is "+originalData.size()+" should be "+dataLength);
        if(((dataLength + CHKBlock.DATA_LENGTH - 1) / CHKBlock.DATA_LENGTH) != totalDataBlocks)
            throw new StorageFormatException("Data blocks "+totalDataBlocks+" not compatible with size "+dataLength);
        decompressedLength = dis.readLong();
        if(decompressedLength <= 0)
            throw new StorageFormatException("Bogus decompressed length");
        isMetadata = dis.readBoolean();
        short atype = dis.readShort();
        if(atype == -1) {

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            hashThisLayerOnly = null;
        }
        topDontCompress = dis.readBoolean();
        topRequiredBlocks = dis.readInt();
        topTotalBlocks = dis.readInt();
        origDataSize = dis.readLong();
        origCompressedDataSize = dis.readLong();
        hashes = HashResult.readHashes(dis);
        dis.close();
        this.hasPaddedLastBlock = (dataLength % CHKBlock.DATA_LENGTH != 0);
        this.segments = new SplitFileInserterSegmentStorage[segmentCount];

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        }
        topDontCompress = dis.readBoolean();
        topRequiredBlocks = dis.readInt();
        topTotalBlocks = dis.readInt();
        origDataSize = dis.readLong();
        origCompressedDataSize = dis.readLong();
        hashes = HashResult.readHashes(dis);
        dis.close();
        this.hasPaddedLastBlock = (dataLength % CHKBlock.DATA_LENGTH != 0);
        this.segments = new SplitFileInserterSegmentStorage[segmentCount];
        if(crossCheckBlocks != 0)

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      bis = new BufferedInputStream(fis);
      dis = new DataInputStream(bis);


      EntropySource seedFile = new EntropySource();
        for(int i = 0; i < 32; i++)
          acceptEntropy(seedFile, dis.readLong(), 64);
      dis.close();
    } catch(EOFException f) {
      // Okay.
    } catch(IOException e) {
      Logger.error(this, "IOE trying to read the seedfile from disk : " + e.getMessage());

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        int                 type = dIn.read();


        while (type > NULL)
        {
            String          alias = dIn.readUTF();
            Date            date = new Date(dIn.readLong());
            int             chainLength = dIn.readInt();
            Certificate[]   chain = null;


            if (chainLength != 0)
            {

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            if( ! f.exists() ) return;
            if( log.isDebugEnabled() ) {
                log.debug( "Opening " + s );
            }
            is = new DataInputStream( new FileInputStream(f));
            is.readLong();
        } catch( IOException ex ) {
            log.warn("Error reading " + s, ex);
            if (is != null) {
                try {
                    is.close();

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    @Override
    public Long bytesToLong(byte[] b) {
        DataInputStream dis = new DataInputStream(new ByteArrayInputStream(b));
        try {
            return Long.valueOf(dis.readLong());
        } catch (IOException e) {
            LogUtils.warn(this, "Unable to convert bytearray to long, " +
                    "caught IOException <" + e.getMessage() + ">",
                    PigWarning.FIELD_DISCARDED_TYPE_CONVERSION_FAILED, 
                    mLog);

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        if (emitProperties) {
            properties.put("file_type", "PNG v. 1.0");
        }


        try {
            long magic = distream.readLong();
            if (magic != 0x89504e470d0a1a0aL) {
                String msg = PropertyUtil.getString("PNGImageDecoder0");
                throw new RuntimeException(msg);
            }
        } catch (Exception e) {

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      int checkSumBytes = blk.totalChecksumBytes();
      if ((in.available() - checkSumBytes) < MID_KEY_METADATA_SIZE) {
        // No mid-key metadata available.
        return;
      }
      midLeafBlockOffset = in.readLong();
      midLeafBlockOnDiskSize = in.readInt();
      midKeyEntry = in.readInt();
    }


    @Override

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    /**
     */
    private SubjectId extractSubjectId(Packet packet) throws IOException {
        DataInputStream is = new DataInputStream(new PacketToInputStream(packet));
        Long id = new Long(is.readLong());
        byte hash[] = new byte[is.readInt()];
        return new SubjectId(id, hash);
    }


    private Packet createClearSubjectPackt() {

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