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org.vrspace.server.object
Class File  

java.lang.Object
  java.util.Observable
      org.vrspace.server.VRObject
          org.vrspace.server.DBObject
              org.vrspace.server.PublicDBObject
                  org.vrspace.server.OwnedDBObject
                      org.vrspace.server.object.File

All Implemented Interfaces:

java.lang.Cloneable, java.util.Observer, org.vrspace.attributes.Owned

Direct Known Subclasses:

VrmlFile

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public class File

extends org.vrspace.server.OwnedDBObject

implements java.util.Observer

A File. This VRObject should be used for files not expected to have a Transform. For example, images, binaries, etc... The contents of the file are pointed to by its url NetResource.

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Nested Class Summary
class	File.UploadFilter           Implements file transfer.

 

Field Summary
int	_downloads
long	_lastUpdate
int	_uploads
java.lang.String	name
org.vrspace.util.NetResource	url

 

Fields inherited from class org.vrspace.server.OwnedDBObject

 

Fields inherited from class org.vrspace.server.DBObject

db

 

Fields inherited from class org.vrspace.server.VRObject

db_id, primitiveMap, primitives

 

Fields inherited from class java.util.Observable

 

Constructor Summary

File()

 

Method Summary
void	set_download(org.vrspace.server.Request req, java.lang.String value)           Initiate file download.
void	set_upload(org.vrspace.server.Request req, java.lang.String value)           Initiate file upload.
void	setValue(org.vrspace.server.Request r)           Overrides PublicDbObject.setValue() .
void	update(java.util.Observable session, java.lang.Object signal)           This method is called whenever the observable object changes, and has called notifyObservers.

 

Methods inherited from class org.vrspace.server.OwnedDBObject

addOwner, isOwned, notifyOwners, removeOwner, sendEvent

 

Methods inherited from class org.vrspace.server.DBObject

delete, get, put, put

 

Methods inherited from class org.vrspace.server.VRObject

arrayToString, canRead, canWrite, clone, equals, fromString, fromText, getClassName, getField, getFields, getId, getID, getMemebers, hasField, hasMethod, isNew, newInstance, sendResponse, setField, setField, setField, setFields, setFields, stringToArray, toString, toText, toText, toText

 

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

 

Methods inherited from class java.lang.Object

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

 

Field Detail

name

public java.lang.String name

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url

public org.vrspace.util.NetResource url

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_uploads

public int _uploads

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_downloads

public int _downloads

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_lastUpdate

public long _lastUpdate

Constructor Detail

File

public File()

Method Detail

set_upload

public void set_upload(org.vrspace.server.Request req,
                       java.lang.String value)
                throws java.lang.Exception

Initiate file upload. Replaces this File's url and initiates the file transfer by responding to the client with an upload command.

Usage: upload path

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set_download

public void set_download(org.vrspace.server.Request req,
                         java.lang.String value)
                  throws java.lang.Exception

Initiate file download. Not implemented.

Usage: download dummy_value

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update

public void update(java.util.Observable session,
                   java.lang.Object signal)

Description copied from interface: java.util.Observer

This method is called whenever the observable object changes, and has called notifyObservers. The Observable object can pass arbitrary information in the second parameter.

Specified by:

update in interface java.util.Observer

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setValue

public void setValue(org.vrspace.server.Request r)

Overrides PublicDbObject.setValue() . Upload/download events are filtered. Clients are notified of all other requests.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> vrspace >> server >> [ object overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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