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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.satsa.util

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

com.sun.satsa.util .FileSystemAbstract

All known Subclasses:   com.sun.satsa.acl .AclFileSystem,  com.sun.satsa.pki .WimFileSystem,
FileSystemAbstract
abstract public class FileSystemAbstract (Code)
This class provides interface to card file system.

Field Summary
final protected static byte INS_READ
     APDU INS byte.
final protected static byte INS_SELECT
     APDU INS byte.
final protected static byte INS_UPDATE
     APDU INS byte.
final static int MAX_PATH_DEPTH
     Expected maximum path depth.
protected Connection apdu
     Connection used by this file system.
protected int currentFileSize
     Size of currently selected EF or -1 if DF is selected.
short[] currentPath
     Path to the current DF.
protected boolean isEFSelected
     True if currently selected file is EF.
int pathLength
     The length of path to current DF.
short[] root
     Root path for this application.

Constructor Summary
public FileSystemAbstract(Connection apdu)
     Constructs new FileSystem object.

Method Summary
public int getCurrrentFileSize()
     Returns the size of currently selected EF or -1 if DF is selected.
public TLV loadObject(Location l)
     Loads and parses one DER encoded object.
Parameters:
  l - location of the object.
public short[] makePath(TLV t)
     If necessary converts path into completely specified path.
public Location pathToLocation(TLV path)
     Converts PKCS#15 path into location.
abstract public byte[] readData(int offset, int length, int fileOffset)
     Reads part of selected file.
public byte[] readFile()
     Reads the current EF.
public void select(short[] path)
     Selects file using only SELECT APDU command with file identifier.
abstract public void select(short id)
     Selects file by ID.
public void selectRoot(short[] root)
     Sends the select DF command to the card.
public void setRoot(short[] root)
     Sets the root directory for this file system.

Field Detail
INS_READ
final protected static byte INS_READ(Code)
APDU INS byte.

INS_SELECT
final protected static byte INS_SELECT(Code)
APDU INS byte.

INS_UPDATE
final protected static byte INS_UPDATE(Code)
APDU INS byte.

MAX_PATH_DEPTH
final static int MAX_PATH_DEPTH(Code)
Expected maximum path depth.

apdu
protected Connection apdu(Code)
Connection used by this file system.

currentFileSize
protected int currentFileSize(Code)
Size of currently selected EF or -1 if DF is selected.

currentPath
short[] currentPath(Code)
Path to the current DF. Element at index pathLength contains EF identifier if EF is selected.

isEFSelected
protected boolean isEFSelected(Code)
True if currently selected file is EF.

pathLength
int pathLength(Code)
The length of path to current DF.

root
short[] root(Code)
Root path for this application.

Constructor Detail
FileSystemAbstract
public FileSystemAbstract(Connection apdu)(Code)
Constructs new FileSystem object.
Parameters:
  apdu - connection to be used by this object.

Method Detail
getCurrrentFileSize
public int getCurrrentFileSize()(Code)
Returns the size of currently selected EF or -1 if DF is selected. file size

loadObject
public TLV loadObject(Location l) throws IOException, TLVException(Code)
Loads and parses one DER encoded object.
Parameters:
  l - location of the object. the object.
throws:
  IOException - if I/O error occurs
throws:
  TLVException - if parsing error occurs

makePath
public short[] makePath(TLV t) throws IOException(Code)
If necessary converts path into completely specified path.
Parameters:
  t - TLV object that contains octet string representing path completely specified path
throws:
  IOException - if path is incorrect

pathToLocation
public Location pathToLocation(TLV path) throws IOException(Code)
Converts PKCS#15 path into location.
Parameters:
  path - TLV structure that represents path Location object

readData
abstract public byte[] readData(int offset, int length, int fileOffset) throws IOException(Code)
Reads part of selected file.
Parameters:
  offset - the offset into data buffer where data should beplaced
Parameters:
  length - data length
Parameters:
  fileOffset - file data offset
throws:
  IOException - if IO error occurs data byte array of the data

readFile
public byte[] readFile() throws IOException(Code)
Reads the current EF. array that contains EF body.
throws:
  IOException - if IO error occurs

select
public void select(short[] path) throws IOException(Code)
Selects file using only SELECT APDU command with file identifier. According to WIM specification support of this selection method is mandatory.
Parameters:
  path - file path
throws:
  IOException - if IO error occurs

select
abstract public void select(short id) throws IOException(Code)
Selects file by ID.
Parameters:
  id - file ID
throws:
  IOException - if IOError occurs

selectRoot
public void selectRoot(short[] root) throws IOException(Code)
Sends the select DF command to the card.
Parameters:
  root - short[] directory path
throws:
  IOException - if IO error occurs

setRoot
public void setRoot(short[] root)(Code)
Sets the root directory for this file system.
Parameters:
  root - root directory path

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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