Java Doc for RecordStoreUtil.java in  » 6.0-JDK-Modules » j2me » com » sun » midp » rms » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.midp.rms 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.sun.midp.rms.RecordStoreUtil

RecordStoreUtil
public class RecordStoreUtil (Code)
A class implementing record store utility functions.




Method Summary
static  intcalculateBlockSize(int dataSize)
     A convenience method for calculating the block size given the data size.
Parameters:
  dataSize - the size of the data in the block.
native static  voiddeleteFile(int suiteId, String name, int extension)
     Removes the storage file for record store filename if it exists.
native static  booleanexists(int suiteId, String name, int extension)
    
static  intgetInt(byte[] data, int offset)
     A convenience method for converting a byte array into an int (assumes big-endian byte ordering).
Parameters:
  data - the byte array returned from the database.
Parameters:
  offset - the offset into the array of the first byte to start from.
static  longgetLong(byte[] data, int offset)
     A convenience method for converting a byte array into a long (assumes big-endian byte ordering).
Parameters:
  data - the byte array returned from the database.
Parameters:
  offset - the offset into the array of the first byte to start from.
static  intputInt(int i, byte[] data, int offset)
     A convenience method for converting an integer into a byte array.
Parameters:
  i - the integer to turn into a byte array.
Parameters:
  data - a place to store the bytes of i.
Parameters:
  offset - starting point within data tostore i.
static  intputLong(long l, byte[] data, int offset)
     A convenience method for converting a long into a byte array.
Parameters:
  l - the long to turn into a byte array.
Parameters:
  data - a place to store the bytes of l.
Parameters:
  offset - Starting point within data tostore l.
static  booleanquietDeleteFile(int suiteId, String name, int extension)
     Removes record store file without throwing an exception on failure.



Method Detail
calculateBlockSize
static int calculateBlockSize(int dataSize)(Code)
A convenience method for calculating the block size given the data size.
Parameters:
  dataSize - the size of the data in the block. an int corresponding to the size of the block padded toa multiple of the BLOCK HEADER SIZE.



deleteFile
native static void deleteFile(int suiteId, String name, int extension) throws RecordStoreException(Code)
Removes the storage file for record store filename if it exists.
Parameters:
  suiteId - ID of the MIDlet suite that owns the record store
Parameters:
  name - name of the record store
Parameters:
  extension - the extension for the record store file
throws:
  RecordStoreException - if deletion encountered an errorinternally.



exists
native static boolean exists(int suiteId, String name, int extension)(Code)
Looks to see if the storage file for record store identified by uidPath exists
Parameters:
  suiteId - ID of the MIDlet suite that owns the record store
Parameters:
  name - name of the record store
Parameters:
  extension - the extension for the record store file true if the file exists, false if it does not.



getInt
static int getInt(byte[] data, int offset)(Code)
A convenience method for converting a byte array into an int (assumes big-endian byte ordering).
Parameters:
  data - the byte array returned from the database.
Parameters:
  offset - the offset into the array of the first byte to start from. an int corresponding to the first four bytesof the array passed in.



getLong
static long getLong(byte[] data, int offset)(Code)
A convenience method for converting a byte array into a long (assumes big-endian byte ordering).
Parameters:
  data - the byte array returned from the database.
Parameters:
  offset - the offset into the array of the first byte to start from. a long corresponding to the first eight bytesof the array passed in.



putInt
static int putInt(int i, byte[] data, int offset)(Code)
A convenience method for converting an integer into a byte array.
Parameters:
  i - the integer to turn into a byte array.
Parameters:
  data - a place to store the bytes of i.
Parameters:
  offset - starting point within data tostore i. the number of bytes written to the array.



putLong
static int putLong(long l, byte[] data, int offset)(Code)
A convenience method for converting a long into a byte array.
Parameters:
  l - the long to turn into a byte array.
Parameters:
  data - a place to store the bytes of l.
Parameters:
  offset - Starting point within data tostore l. the number of bytes written to the array.



quietDeleteFile
static boolean quietDeleteFile(int suiteId, String name, int extension)(Code)
Removes record store file without throwing an exception on failure.
Parameters:
  suiteId - ID of the MIDlet suite that owns the record store
Parameters:
  name - name of the record store
Parameters:
  extension - the extension for the record store file true if file was found and deleted successfully,false otherwise.



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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