Package java.util.zip

Examples of java.util.zip.CRC32.reset()

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        HashMap<Long, Integer> pdsMap = new HashMap<Long, Integer>();
        ArrayList<Integer> duplicate = new ArrayList<Integer>();
        CRC32 crc32 = new CRC32();
        for (int i = 0; i < products.size(); i++) {
          Grib2Product product = products.get( i );
          crc32.reset();
          crc32.update(product.getPDS().getPdsVars().getPDSBytes());

          // heres a way to get a byte array for CRC from other values we need for duplicate checking
          ByteBuffer bb = ByteBuffer.allocate(12);
          bb.putInt( product.getDiscipline());
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        CRC32 crc32 = new CRC32();
        // initialize pdsMap with already indexed records
        int originalSize = recordList.size();
        for (int i = 0; i < recordList.size(); i++) {
          Grib2WriteIndex.RawRecord rr = recordList.get( i );
          crc32.reset();
          crc32.update( rr.pdsData );
          ByteBuffer bb = ByteBuffer.allocate(12);
          bb.putInt( rr.discipline );
          bb.putLong( rr.refTime );
          crc32.update(bb.array());
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        }
        Calendar cal = Calendar.getInstance();
        // now check new records for duplicates, assumes original index has no duplicates
        for (int i = 0; i < products.size(); i++) {
          Grib2Product product = products.get( i );
          crc32.reset();
          crc32.update(product.getPDS().getPdsVars().getPDSBytes());
          ByteBuffer bb = ByteBuffer.allocate(12);
          bb.putInt( product.getDiscipline());
          bb.putLong( product.getRefTime());
          crc32.update(bb.array());
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        HashMap<Long, Integer> pdsMap = new HashMap<Long, Integer>();
        ArrayList<Integer> duplicate = new ArrayList<Integer>();
        CRC32 crc32 = new CRC32();
        for (int i = 0; i < products.size(); i++) {
          Grib1Product product = products.get( i );
          crc32.reset();
          crc32.update(product.getPDS().getPdsVars().getPDSBytes());
          ByteBuffer bb = ByteBuffer.allocate(8);
          bb.putLong( product.getPDS().getPdsVars().getReferenceTime());
          crc32.update(bb.array());
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        CRC32 crc32 = new CRC32();
        // initialize pdsMap with already indexed records
        int originalSize = recordList.size();
        for (int i = 0; i < recordList.size(); i++) {
          Grib2WriteIndex.RawRecord rr = recordList.get( i );
          crc32.reset();
          crc32.update( rr.pdsData );
          ByteBuffer bb = ByteBuffer.allocate(8);
          bb.putLong( rr.refTime );
          crc32.update(bb.array());
          pdsMap.put( crc32.getValue(), i );
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          pdsMap.put( crc32.getValue(), i );
        }
        // now check new records for duplicates, assumes original index has no duplicates
        for (int i = 0; i < products.size(); i++) {
          Grib1Product product = products.get( i );
          crc32.reset();
          crc32.update(product.getPDS().getPdsVars().getPDSBytes());
          ByteBuffer bb = ByteBuffer.allocate(8);
          bb.putLong( product.getPDS().getPdsVars().getReferenceTime() );
          crc32.update(bb.array());
          long crcv = crc32.getValue();
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                        // writeUTF/writeWithShortLength) and 4 bytes for column count.
                        // This prevents CRC by being fooled by special-case garbage in the file; see CASSANDRA-2128
                        if (serializedSize < 10)
                            break;
                        long claimedSizeChecksum = reader.readLong();
                        checksum.reset();
                        checksum.update(serializedSize);
                        if (checksum.getValue() != claimedSizeChecksum)
                            break; // entry wasn't synced correctly/fully.  that's ok.

                        if (serializedSize > bytes.length)
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    if (onDiskChecksum != checksum.getValue())
    {
      // try again using new checksum object to be doubly sure
      CRC32 newChecksum = new CRC32();
      newChecksum.reset();
      newChecksum.update(pageData, 0, getPageSize()-CHECKSUM_SIZE);
      if (onDiskChecksum != newChecksum.getValue())
      {
        throw StandardException.newException(
                    SQLState.FILE_BAD_CHECKSUM,
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                        // writeUTF/writeWithShortLength) and 4 bytes for column count.
                        // This prevents CRC by being fooled by special-case garbage in the file; see CASSANDRA-2128
                        if (serializedSize < 10)
                            break;
                        long claimedSizeChecksum = reader.readLong();
                        checksum.reset();
                        checksum.update(serializedSize);
                        if (checksum.getValue() != claimedSizeChecksum)
                            break; // entry wasn't synced correctly/fully.  that's ok.

                        if (serializedSize > bytes.length)
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    if (onDiskChecksum != checksum.getValue())
    {
      // try again using new checksum object to be doubly sure
      CRC32 newChecksum = new CRC32();
      newChecksum.reset();
      newChecksum.update(pageData, 0, getPageSize()-CHECKSUM_SIZE);
      if (onDiskChecksum != newChecksum.getValue())
      {
        throw StandardException.newException(
                    SQLState.FILE_BAD_CHECKSUM,
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