org.freehep.application.services.jnlp
Class JNLPFileAccess

java.lang.Object
  org.freehep.application.services.jnlp.JNLPFileAccess

All Implemented Interfaces:

FileAccess

public class JNLPFileAccess
extends Object
implements FileAccess

Implementation of FileAccess for use in unsigned JNLP applications.

Version:

$Id: JNLPFileAccess.java 8584 2006-08-10 23:06:37Z duns $

Author:

tonyj

Constructor Summary

JNLPFileAccess(javax.jnlp.FileContents fc)
Creates new JNLPFileAccess

Method Summary

boolean	canRead() Returns whether the file can be read.
boolean	canWrite() Returns whether the file can be written to.
File	getFile() Applications that need direct access to the underlying File can call this method, but it breaks the JNLP encapsualtion and will throw a SecurityException if used from an unsigned JNLP application.
InputStream	getInputStream() Gets an InputStream from the file.
long	getLength() Gets the length of the file
long	getMaxLength() Gets the maximum length of this file.
String	getName() Gets the file name as a string
OutputStream	getOutputStream(boolean append) Gets an OutputStream to the file.
long	setMaxLength(long length) Sets the maximum file length for the file.

Methods inherited from class java.lang.Object

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

Constructor Detail

JNLPFileAccess

public JNLPFileAccess(javax.jnlp.FileContents fc)

Creates new JNLPFileAccess

Method Detail

canRead

public boolean canRead()
                throws IOException

Description copied from interface: FileAccess

Returns whether the file can be read.

Specified by:

canRead in interface FileAccess

Throws:

IOException

canWrite

public boolean canWrite()
                 throws IOException

Description copied from interface: FileAccess

Returns whether the file can be written to.

Specified by:

canWrite in interface FileAccess

Throws:

IOException

getInputStream

public InputStream getInputStream()
                           throws IOException

Description copied from interface: FileAccess

Gets an InputStream from the file.

Specified by:

getInputStream in interface FileAccess

Throws:

IOException

getOutputStream

public OutputStream getOutputStream(boolean append)
                             throws IOException

Description copied from interface: FileAccess

Gets an OutputStream to the file.

Specified by:

getOutputStream in interface FileAccess

Throws:

IOException

getName

public String getName()
               throws IOException

Description copied from interface: FileAccess

Gets the file name as a string

Specified by:

getName in interface FileAccess

Throws:

IOException

getLength

public long getLength()
               throws IOException

Description copied from interface: FileAccess

Gets the length of the file

Specified by:

getLength in interface FileAccess

Throws:

IOException

getMaxLength

public long getMaxLength()
                  throws IOException

Description copied from interface: FileAccess

Gets the maximum length of this file. If the length is not limited returns a very large number

Specified by:

getMaxLength in interface FileAccess

Throws:

IOException

setMaxLength

public long setMaxLength(long length)
                  throws IOException

Description copied from interface: FileAccess

Sets the maximum file length for the file.

Specified by:

setMaxLength in interface FileAccess

Throws:

IOException

getFile

public File getFile()
             throws IOException,
                    SecurityException

Description copied from interface: FileAccess

Applications that need direct access to the underlying File can call this method, but it breaks the JNLP encapsualtion and will throw a SecurityException if used from an unsigned JNLP application.

Specified by:

getFile in interface FileAccess

Throws:

IOException

SecurityException