wt.security
Class FileAccess

java.lang.Object
  wt.security.Access
      wt.security.FileAccess

public class FileAccess
extends wt.security.Access

Class that provides wrappers to priviledged file methods using the wt.security package. This allows applets to perform file operations that are typically restricted by the sandbox.

Supported API: true

Method Summary

boolean	canRead(File file) Wrapper for File.canRead()
boolean	canWrite(File file) Wrapper for File.canWrite()
boolean	delete(File file) Wrapper for File.delete()
boolean	exists(File file) Wrapper for File.exists()
boolean	fileEquals(File file0, File file1) Wrapper for File.equals()
String	getAbsolutePath(File file) Wrapper for File.getAbsolutePath()
String	getCanonicalPath(File file) Wrapper for File.getCanonicalPath()
static FileAccess	getFileAccess() Get instance of FileAccess.
static FileAccess	getFileAccess(Frame parentFrame) Get instance of FileAccess.
FileInputStream	getFileInputStream(File file) Wrapper for FileInputStream constructor.
FileInputStream	getFileInputStream(FileDescriptor file) Wrapper for FileInputStream constructor.
FileInputStream	getFileInputStream(String file) Wrapper for FileInputStream constructor.
FileOutputStream	getFileOutputStream(File file) Wrapper for FileOutputStream constructor.
FileOutputStream	getFileOutputStream(FileDescriptor file) Wrapper for FileOutputStream constructor.
FileOutputStream	getFileOutputStream(String file) Wrapper for FileOutputStream constructor.
FileOutputStream	getFileOutputStream(String file, boolean append) Wrapper for FileOutputStream constructor.
String	getParent(File file) Wrapper for File.getParent()
boolean	isAbsolute(File file) Wrapper for File.isAbsolute()
boolean	isDirectory(File file) Wrapper for File.isDirectory()
boolean	isFile(File file) Wrapper for File.isFile()
protected void	JFileChooser_setCurrentDirectory(wt.security.WTJFileChooser jfc, File dir) Wrapper for JFileChooser.setCurrentDirectory().
void	JFileChooser_setSelectedFile(wt.security.WTJFileChooser jfc, File file) Wrapper for JFileChooser.setSelectedFile().
void	JFileChooser_setSelectedFiles(wt.security.WTJFileChooser jfc, File[] files) Wrapper for JFileChooser.setSelectedFiles().
protected int	JFileChooser_showDialog(wt.security.WTJFileChooser jfc, Component parent, String text) Wrapper for JFileChooser.showDialog().
long	lastModified(File file) Wrapper for File.lastModified()
long	length(File file) Wrapper for File.length()
String[]	list(File file) Wrapper for File.list()
File[]	listFiles(File file) Wrapper for File.listFiles()
boolean	mkdir(File file) Wrapper for File.mkdir()
boolean	mkdirs(File file) Wrapper for File.mkdirs()
FileDialog	newFileDialog(Frame frame) Wrapper for new FileDialog().
JFileChooser	newJFileChooser() Wrapper for new JFileChooser().
JFileChooser	newJFileChooser(File currentDirectory) Wrapper for new JFileChooser(File).
boolean	renameTo(File from, File to) Wrapper for File.renameTo()

Methods inherited from class java.lang.Object

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

Method Detail

getFileAccess

public static FileAccess getFileAccess(Frame parentFrame)

Get instance of FileAccess. This instance can then be used to perform file operation that are typically restricted by the sandbox.

Parameters:

parentFrame - the parent frame for security dialog boxes that may be presented

Supported API: true

getFileAccess

public static FileAccess getFileAccess()

Get instance of FileAccess. This instance can then be used to perform file operation that are typically restricted by the sandbox.

Supported API: true

getFileInputStream

public final FileInputStream getFileInputStream(String file)
                                         throws WTSecurityException,
                                                FileNotFoundException

Wrapper for FileInputStream constructor.

Parameters:

file - the filename for the file to be opened for the input stream

Supported API: true

Throws:

WTSecurityException

FileNotFoundException

getFileInputStream

public final FileInputStream getFileInputStream(File file)
                                         throws WTSecurityException,
                                                FileNotFoundException

Wrapper for FileInputStream constructor.

Parameters:

file - the file to be opened for the input stream

Supported API: true

Throws:

WTSecurityException

FileNotFoundException

getFileInputStream

public final FileInputStream getFileInputStream(FileDescriptor file)
                                         throws WTSecurityException

Wrapper for FileInputStream constructor.

Parameters:

file - the file descriptor of the file to be opened for the input stream

Supported API: true

Throws:

WTSecurityException

getFileOutputStream

public final FileOutputStream getFileOutputStream(File file)
                                           throws WTSecurityException,
                                                  IOException

Wrapper for FileOutputStream constructor.

Parameters:

file - the file to be opened for the output stream

Supported API: true

Throws:

WTSecurityException

IOException

getFileOutputStream

public final FileOutputStream getFileOutputStream(FileDescriptor file)
                                           throws WTSecurityException

Wrapper for FileOutputStream constructor.

Parameters:

file - the file descriptor to the file to be opened for the output stream

Supported API: true

Throws:

WTSecurityException

getFileOutputStream

public final FileOutputStream getFileOutputStream(String file)
                                           throws WTSecurityException,
                                                  IOException

Wrapper for FileOutputStream constructor.

Parameters:

file - the filename to the file to be opened for the output stream

Supported API: true

Throws:

WTSecurityException

IOException

getFileOutputStream

public final FileOutputStream getFileOutputStream(String file,
                                                  boolean append)
                                           throws WTSecurityException,
                                                  IOException

Wrapper for FileOutputStream constructor.

Parameters:

file - the filename to the file to be opened for the output stream

append - boolean stating if the file should be appended to

Supported API: true

Throws:

WTSecurityException

IOException

exists

public final boolean exists(File file)
                     throws WTSecurityException

Wrapper for File.exists()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

list

public final String[] list(File file)
                    throws WTSecurityException

Wrapper for File.list()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

listFiles

public final File[] listFiles(File file)
                       throws WTSecurityException

Wrapper for File.listFiles()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

isFile

public final boolean isFile(File file)
                     throws WTSecurityException

Wrapper for File.isFile()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

isDirectory

public final boolean isDirectory(File file)
                          throws WTSecurityException

Wrapper for File.isDirectory()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

isAbsolute

public final boolean isAbsolute(File file)
                         throws WTSecurityException

Wrapper for File.isAbsolute()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

lastModified

public final long lastModified(File file)
                        throws WTSecurityException

Wrapper for File.lastModified()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

length

public final long length(File file)
                  throws WTSecurityException

Wrapper for File.length()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

mkdir

public final boolean mkdir(File file)
                    throws WTSecurityException

Wrapper for File.mkdir()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

mkdirs

public final boolean mkdirs(File file)
                     throws WTSecurityException

Wrapper for File.mkdirs()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

renameTo

public final boolean renameTo(File from,
                              File to)
                       throws WTSecurityException

Wrapper for File.renameTo()

Parameters:

from - the file that is being renamed

to - the file that from is being renamed to

Supported API: true

Throws:

WTSecurityException

delete

public final boolean delete(File file)
                     throws WTSecurityException

Wrapper for File.delete()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

getCanonicalPath

public final String getCanonicalPath(File file)
                              throws WTSecurityException,
                                     IOException

Wrapper for File.getCanonicalPath()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

IOException

getParent

public final String getParent(File file)
                       throws WTSecurityException

Wrapper for File.getParent()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

getAbsolutePath

public final String getAbsolutePath(File file)
                             throws WTSecurityException,
                                    IOException

Wrapper for File.getAbsolutePath()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

IOException

canRead

public final boolean canRead(File file)
                      throws WTSecurityException

Wrapper for File.canRead()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

canWrite

public final boolean canWrite(File file)
                       throws WTSecurityException

Wrapper for File.canWrite()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

fileEquals

public final boolean fileEquals(File file0,
                                File file1)
                         throws WTSecurityException

Wrapper for File.equals()

Parameters:

file - the file the operation is being performed upon

Supported API: true

Throws:

WTSecurityException

newFileDialog

public final FileDialog newFileDialog(Frame frame)
                               throws WTSecurityException

Wrapper for new FileDialog(). This operation requires permission under Internet Explorer.

Parameters:

frame - the parent frame for this newly constructed FileDialog

Supported API: true

Throws:

WTSecurityException

newJFileChooser

public final JFileChooser newJFileChooser()
                                   throws WTSecurityException

Wrapper for new JFileChooser().

Supported API: true

Throws:

WTSecurityException

newJFileChooser

public final JFileChooser newJFileChooser(File currentDirectory)
                                   throws WTSecurityException

Wrapper for new JFileChooser(File).

Supported API: true

Throws:

WTSecurityException

JFileChooser_showDialog

protected final int JFileChooser_showDialog(wt.security.WTJFileChooser jfc,
                                            Component parent,
                                            String text)
                                     throws WTSecurityException

Wrapper for JFileChooser.showDialog().

Parameters:

parent - the parent component of the dialog

text - the text of the ApproveButton

Supported API: true

Throws:

WTSecurityException

JFileChooser_setCurrentDirectory

protected final void JFileChooser_setCurrentDirectory(wt.security.WTJFileChooser jfc,
                                                      File dir)
                                               throws WTSecurityException

Wrapper for JFileChooser.setCurrentDirectory().

Parameters:

dir - the current directory to point to

Supported API: true

Throws:

WTSecurityException

JFileChooser_setSelectedFile

public final void JFileChooser_setSelectedFile(wt.security.WTJFileChooser jfc,
                                               File file)
                                        throws WTSecurityException

Wrapper for JFileChooser.setSelectedFile().

Parameters:

file - the file currently selected

Supported API: true

Throws:

WTSecurityException

JFileChooser_setSelectedFiles

public final void JFileChooser_setSelectedFiles(wt.security.WTJFileChooser jfc,
                                                File[] files)
                                         throws WTSecurityException

Wrapper for JFileChooser.setSelectedFiles().

Parameters:

file - the file currently selected

Supported API: true

Throws:

WTSecurityException