org.free.garminimg
Class ImgSubFile

java.lang.Object
  org.free.garminimg.ImgSubFile

Direct Known Subclasses:

TreSubFile, UnknownSubFile

public abstract class ImgSubFile
extends java.lang.Object

One sub-file within a .img file.

Nested Class Summary

static class

ImgSubFile.FileContext

Field Summary

protected ImgFileBag	fileBag
protected int	headerLength

Constructor Summary

ImgSubFile(java.lang.String filename, java.lang.String filetype, int fileSize, int blocSize, ImgFileBag fileBag)

Method Summary

void	addBloc(long bloc)
static ImgSubFile	create(java.lang.String filename, java.lang.String filetype, int fileSize, int blocSize, ImgFileBag fileBag)
void	debugPrintHex(ImgSubFile.FileContext context, long startOffset, long length)
long	getAbsolutePosition(long relative)
java.lang.String	getFilename()
int	getFileSize()
java.lang.String	getFiletype()
protected int	getHeaderLength()
int	getLocked()
long	getLockedPos()
long	getNextReadPos(ImgSubFile.FileContext context)
abstract void	init()
void	printDebug(java.io.PrintStream out)
int	readByte(ImgSubFile.FileContext context)
int	readInt16(ImgSubFile.FileContext context)
int	readInt24(ImgSubFile.FileContext context)
java.lang.String	readString(int len, ImgSubFile.FileContext context)
int	readUInt16(ImgSubFile.FileContext context)
int	readUInt24(ImgSubFile.FileContext context)
long	readUInt32(ImgSubFile.FileContext context)
void	seek(long pos, ImgSubFile.FileContext context)
protected void	superInit(ImgSubFile.FileContext context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

headerLength

protected int headerLength

fileBag

protected ImgFileBag fileBag

Constructor Detail

ImgSubFile

public ImgSubFile(java.lang.String filename,
                  java.lang.String filetype,
                  int fileSize,
                  int blocSize,
                  ImgFileBag fileBag)

Method Detail

create

public static ImgSubFile create(java.lang.String filename,
                                java.lang.String filetype,
                                int fileSize,
                                int blocSize,
                                ImgFileBag fileBag)

init

public abstract void init()
                   throws java.io.IOException

Throws:

java.io.IOException

superInit

protected void superInit(ImgSubFile.FileContext context)
                  throws java.io.IOException

Throws:

java.io.IOException

getLockedPos

public long getLockedPos()

Returns:

Position of the locked byte relative to the start of the sub-file.

addBloc

public void addBloc(long bloc)

getFilename

public java.lang.String getFilename()

getFileSize

public int getFileSize()

getFiletype

public java.lang.String getFiletype()

getHeaderLength

protected int getHeaderLength()

getLocked

public int getLocked()

getAbsolutePosition

public long getAbsolutePosition(long relative)
                         throws java.io.EOFException

Parameters:

relative - The position relative to the start of the sub-file

Returns:

The position relative to the start of the IMG file.

Throws:

java.io.EOFException

seek

public void seek(long pos,
                 ImgSubFile.FileContext context)
          throws java.io.IOException

Throws:

java.io.IOException

getNextReadPos

public long getNextReadPos(ImgSubFile.FileContext context)

readByte

public int readByte(ImgSubFile.FileContext context)
             throws java.io.IOException

Throws:

java.io.IOException

readString

public java.lang.String readString(int len,
                                   ImgSubFile.FileContext context)
                            throws java.io.IOException

Throws:

java.io.IOException

readUInt16

public int readUInt16(ImgSubFile.FileContext context)
               throws java.io.IOException

Throws:

java.io.IOException

readUInt24

public int readUInt24(ImgSubFile.FileContext context)
               throws java.io.IOException

Throws:

java.io.IOException

readUInt32

public long readUInt32(ImgSubFile.FileContext context)
                throws java.io.IOException

Throws:

java.io.IOException

readInt16

public int readInt16(ImgSubFile.FileContext context)
              throws java.io.IOException

Throws:

java.io.IOException

readInt24

public int readInt24(ImgSubFile.FileContext context)
              throws java.io.IOException

Throws:

java.io.IOException

printDebug

public void printDebug(java.io.PrintStream out)
                throws java.io.IOException

Throws:

java.io.IOException

debugPrintHex

public void debugPrintHex(ImgSubFile.FileContext context,
                          long startOffset,
                          long length)
                   throws java.io.IOException

Throws:

java.io.IOException