Class DosOrder
- java.lang.Object
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- com.webcodepro.applecommander.storage.physical.ImageOrder
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- com.webcodepro.applecommander.storage.physical.DosOrder
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- Direct Known Subclasses:
NibbleOrder
public class DosOrder extends ImageOrder
Supports disk images stored in DOS physical order.
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Constructor Summary
Constructors Constructor Description DosOrder(ByteArrayImageLayout diskImageManager)
Construct a DosOrder.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getName()
Return the name of this image order.protected int
getOffset(int track, int sector)
Compute the track and sector offset into the disk image.boolean
isBlockDevice()
Indicates that this device is block ordered.boolean
isTrackAndSectorDevice()
Indicates that this device is track and sector ordered.byte[]
readBlock(int block)
Read the block from the disk image.byte[]
readSector(int track, int sector)
Retrieve the specified sector.void
writeBlock(int block, byte[] data)
Write the block to the disk image.void
writeSector(int track, int sector, byte[] bytes)
Write the specified sector.-
Methods inherited from class com.webcodepro.applecommander.storage.physical.ImageOrder
format, getBlocksOnDevice, getDiskImageManager, getPhysicalSize, getSectorsPerDisk, getSectorsPerTrack, getTracksPerDisk, isSizeApprox, readBytes, setDiskImageManager, writeBytes
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Constructor Detail
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DosOrder
public DosOrder(ByteArrayImageLayout diskImageManager)
Construct a DosOrder.
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Method Detail
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isBlockDevice
public boolean isBlockDevice()
Indicates that this device is block ordered.- Specified by:
isBlockDevice
in classImageOrder
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isTrackAndSectorDevice
public boolean isTrackAndSectorDevice()
Indicates that this device is track and sector ordered.- Specified by:
isTrackAndSectorDevice
in classImageOrder
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readSector
public byte[] readSector(int track, int sector) throws java.lang.IllegalArgumentException
Retrieve the specified sector.- Specified by:
readSector
in classImageOrder
- Throws:
java.lang.IllegalArgumentException
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writeSector
public void writeSector(int track, int sector, byte[] bytes) throws java.lang.IllegalArgumentException
Write the specified sector.- Specified by:
writeSector
in classImageOrder
- Throws:
java.lang.IllegalArgumentException
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getOffset
protected int getOffset(int track, int sector) throws java.lang.IllegalArgumentException
Compute the track and sector offset into the disk image. This takes into account what type of format is being dealt with.- Throws:
java.lang.IllegalArgumentException
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readBlock
public byte[] readBlock(int block)
Read the block from the disk image. Note: Defined in terms of reading sectors.- Specified by:
readBlock
in classImageOrder
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writeBlock
public void writeBlock(int block, byte[] data)
Write the block to the disk image. Note: Defined in terms of reading sectors.- Specified by:
writeBlock
in classImageOrder
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getName
public java.lang.String getName()
Return the name of this image order.- Specified by:
getName
in classImageOrder
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