Examples of java.io.DataOutputStream.writeByte()

java.io.DataOutputStream.writeByte()
Writes a 8-bit byte to this output stream. @param val the byte value to write to the OutputStream @throws IOException If an error occurs attempting to write to this DataOutputStream. @see DataInput#readByte() @see DataInput#readUnsignedByte()

    // write some spare bytes after 2.0 we have 3 + 2(8) spare bytes.
     long spare = 0;
       
    daos.writeByte(0);
    daos.writeByte(0);
        daos.writeByte(0);
    daos.writeLong(spare);
    daos.flush();
    // write the checksum for the control data written
    checksum.reset();
    checksum.update(baos.toByteArray(), 0, baos.size());

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         devspec |= getModePageRegistry().isDPOFUA() ? 0x10 : 0x00;


         if (cdb.getOperationCode() == ModeSense6.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (6)");
            out.writeByte(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeByte(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)

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         if (cdb.getOperationCode() == ModeSense6.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (6)");
            out.writeByte(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeByte(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)
         {

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         if (cdb.getOperationCode() == ModeSense6.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (6)");
            out.writeByte(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeByte(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (10)");

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         {
            _logger.trace("Assembling return data for MODE SENSE (6)");
            out.writeByte(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeByte(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (10)");
            out.writeShort(0); // MODE DATA LENGTH placeholder, will be replaced later

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         }
         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (10)");
            out.writeShort(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeShort(0); // Reserved, LONGLBA=0, Reserved
            out.writeShort(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else

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         else if (cdb.getOperationCode() == ModeSense10.OPERATION_CODE)
         {
            _logger.trace("Assembling return data for MODE SENSE (10)");
            out.writeShort(0); // MODE DATA LENGTH placeholder, will be replaced later
            out.writeByte(0x00); // MEDIUM TYPE set to 0x00 according to SBC-2
            out.writeByte(devspec); // DEVICE-SPECIFIC PARAMETER
            out.writeShort(0); // Reserved, LONGLBA=0, Reserved
            out.writeShort(0); // BLOCK DESCRIPTOR LENGTH is 0; block descriptors are unsupported
         }
         else
         {

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      ByteArrayOutputStream cdb = new ByteArrayOutputStream(this.size());
      DataOutputStream out = new DataOutputStream(cdb);


      try
      {
         out.writeByte(OPERATION_CODE);
         
         int tmp = 0;
         tmp = (this.VRPROTECT << 5);
         tmp |= ((this.DPO ? 1 : 0) << 4);
         tmp |= ((this.BYTCHK ? 1 : 0 << 1));

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         int tmp = 0;
         tmp = (this.VRPROTECT << 5);
         tmp |= ((this.DPO ? 1 : 0) << 4);
         tmp |= ((this.BYTCHK ? 1 : 0 << 1));
         out.writeByte(tmp);
         
         out.writeInt(this.lba);
         out.writeByte(this.groupNumber);
         out.writeShort(this.verificationLength);
         out.writeByte(super.getControl());

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         tmp |= ((this.DPO ? 1 : 0) << 4);
         tmp |= ((this.BYTCHK ? 1 : 0 << 1));
         out.writeByte(tmp);
         
         out.writeInt(this.lba);
         out.writeByte(this.groupNumber);
         out.writeShort(this.verificationLength);
         out.writeByte(super.getControl());


         return cdb.toByteArray();
      }

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