net.yura.mobile.io
Class NativeUtil

java.lang.Object
  net.yura.mobile.io.NativeUtil

public class NativeUtil
extends Object

Field Summary

static String[][]	EXTS_FILENAME
static long	RECENT_PICTURE_TIME_INTERVAL
static String	ROOT_PREX
static int	TYPE_ALL
static int	TYPE_AUDIO
static int	TYPE_FOLDER
static int	TYPE_OTHER
static int	TYPE_PICTURE
static int	TYPE_VIDEO

Constructor Summary

NativeUtil()

Method Summary

static void	close(Object fc)
static void	copyFile(String source, String destination) Copy a file through jsr-75
static boolean	copyFile(String attachmentName, String srcFullName, String desFullPath) copy file to other dir sometimes Attachment.fileName did not equal local file name
static void	deleteFile(String path) delete file or folder
static String	extractName(String fullName) get file name from full path ex: c:/a/b/c.exe =>c.exe
static String	extractPath(String fullName) get path from full path ex c:/a/b/c.exe => c:/a/b/
static Enumeration	getDirectoryFiles(String dir) Returns the list of all files and directories available in a directory.
static int	getFileSize(String fileName) open file and get file size
static int	getFileType(String fname)
static javax.microedition.lcdui.Image	getImageFromFile(String filename) return null if not enough mem to load image
static InputStream	getInputStreamFromFileConnector(String fileName)
static long	getLastModified(String fileName) Returns the date/time of which a file is last modified.
static javax.microedition.io.file.FileConnection	getReadFileConnection(String fullName)
static javax.microedition.lcdui.Image	getThumbnailFromFile(String fileName) will return null if no thumb found
static javax.microedition.io.file.FileConnection	getWriteFileConnection(String fullName)
static boolean	isFileType(String fname, int filetype)
static Vector	listFiles(String dir, int filter, boolean recent)
static boolean	localFileExists(String filePath) Check if the file specified in the path exists on the local filesystem.
static boolean	mkDir(String dirName) mkdir in native
static byte[]	readFile(String fileName, long startPos, int length) read file from native
static String	writeFile(String fullname, boolean append, boolean deleteExisting, int fileStartPos, byte[] data, int dataStartPos, int dataLength) Write the data specified in a array out to the native filesystem.
static String	writeFile(String fullname, boolean append, int fileStartPos, byte[] data, int dataStartPos, int dataLength) Write the data specified in a array out to the native filesystem.

Methods inherited from class java.lang.Object

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

Field Detail

EXTS_FILENAME

public static final String[][] EXTS_FILENAME

RECENT_PICTURE_TIME_INTERVAL

public static final long RECENT_PICTURE_TIME_INTERVAL

See Also:

Constant Field Values

ROOT_PREX

public static final String ROOT_PREX

See Also:

Constant Field Values

TYPE_ALL

public static final int TYPE_ALL

See Also:

Constant Field Values

TYPE_AUDIO

public static final int TYPE_AUDIO

See Also:

Constant Field Values

TYPE_FOLDER

public static final int TYPE_FOLDER

See Also:

Constant Field Values

TYPE_OTHER

public static final int TYPE_OTHER

See Also:

Constant Field Values

TYPE_PICTURE

public static final int TYPE_PICTURE

See Also:

Constant Field Values

TYPE_VIDEO

public static final int TYPE_VIDEO

See Also:

Constant Field Values

Constructor Detail

NativeUtil

public NativeUtil()

Method Detail

close

public static void close(Object fc)

copyFile

public static void copyFile(String source,
                            String destination)

Copy a file through jsr-75

Parameters:

source - the path to the source file

destination - the path to the destination file

copyFile

public static boolean copyFile(String attachmentName,
                               String srcFullName,
                               String desFullPath)

copy file to other dir sometimes Attachment.fileName did not equal local file name

Parameters:

srcfileName - original filename

srcFullPath - src path

desFullPath - target dir name

Returns:

if success return true;

deleteFile

public static void deleteFile(String path)

delete file or folder

Parameters:

path - full path string

extractName

public static String extractName(String fullName)

get file name from full path ex: c:/a/b/c.exe =>c.exe

Parameters:

fullName - String

Returns:

String

extractPath

public static String extractPath(String fullName)

get path from full path ex c:/a/b/c.exe => c:/a/b/

Parameters:

fullName - String

Returns:

String

getDirectoryFiles

public static Enumeration getDirectoryFiles(String dir)

Returns the list of all files and directories available in a directory.

Parameters:

dir - The path to the directory we will look into.

Returns:

A String Enumeration of all the available files and directories inside dir.

getFileSize

public static int getFileSize(String fileName)

open file and get file size

Parameters:

fileName - String

Returns:

int ,file size

getFileType

public static int getFileType(String fname)

getImageFromFile

public static javax.microedition.lcdui.Image getImageFromFile(String filename)

return null if not enough mem to load image

getInputStreamFromFileConnector

public static InputStream getInputStreamFromFileConnector(String fileName)

getLastModified

public static long getLastModified(String fileName)

Returns the date/time of which a file is last modified.

Parameters:

fileName - File name icluding full path to the file

Returns:

Last modified time of the file in long format

getReadFileConnection

public static javax.microedition.io.file.FileConnection getReadFileConnection(String fullName)
                                                                       throws Exception

Throws:

Exception

getThumbnailFromFile

public static javax.microedition.lcdui.Image getThumbnailFromFile(String fileName)

will return null if no thumb found

getWriteFileConnection

public static javax.microedition.io.file.FileConnection getWriteFileConnection(String fullName)
                                                                        throws Exception

Throws:

Exception

isFileType

public static boolean isFileType(String fname,
                                 int filetype)

listFiles

public static Vector listFiles(String dir,
                               int filter,
                               boolean recent)

localFileExists

public static boolean localFileExists(String filePath)

Check if the file specified in the path exists on the local filesystem.

Parameters:

filePath - full file name

Returns:

return boolean, true if file exists, false if it does not

mkDir

public static boolean mkDir(String dirName)

mkdir in native

Parameters:

dirName - dir name

Returns:

if success return true

readFile

public static byte[] readFile(String fileName,
                              long startPos,
                              int length)

read file from native

Parameters:

fileName - file name

startPos - start position

length - read length, if -1, read all

Returns:

byte data[]

writeFile

public static String writeFile(String fullname,
                               boolean append,
                               boolean deleteExisting,
                               int fileStartPos,
                               byte[] data,
                               int dataStartPos,
                               int dataLength)

Write the data specified in a array out to the native filesystem.

Parameters:

fileName - full file name

append - indicates whether to append or create a new file

deleteExisting - indicates whether to delete the existing file if there is one

fileStartPos - start position of file

data - byte[]

dataStartPos - start position of byte[]

dataLength - write length

Returns:

return file name new created or elder, if null, means write failed

writeFile

public static String writeFile(String fullname,
                               boolean append,
                               int fileStartPos,
                               byte[] data,
                               int dataStartPos,
                               int dataLength)

Write the data specified in a array out to the native filesystem.

Parameters:

fileName - full file name

append - indicates whether to append or create a new file

fileStartPos - start position of file

data - byte[]

dataStartPos - start position of byte[]

dataLength - write length

Returns:

return file name new created or elder, if null, means write failed