Sun Microsystems, Inc.

Oracle America, Inc.

Krishnendu Chakraborty

Arvind Prabhakar

Xuesi Dong

Peter D Stout

Joerg Heilig

Pirasenna Thiyagaranjan

Jayashri Visvanathan

Amy M Wong

A method for processing a first request including receiving the first request, determining a first application associated with the first request, determining a first filter instance parameter associated with the first application, instantiating a first filter instance using the first filter instance parameter, and processing the first request using the first filter instance.

Method and system to protect multiple applications in an application server

A method of trapping a logout event includes receiving an HTTP request, checking if a URI of the HTTP request matches an entry in a first map, looking for an entry in a second map, checking for a logout parameter in a list of request query parameters, checking for a logout parameter in a header of the HTTP request, checking for a logout parameter in a body of the HTTP request, and triggering a logout event when the first of the entries or parameters if found. The method can be extended to call a logout handler and can be used in a wide range of web-based computing environments and in particular with policy/web/j2ee agents.

Method for trapping HTTP logout events and for calling an application specific logout handler

A computer system having a user specified web browsing system for selectively monitoring application request to web based applications to detect and track redirection loops. The web browser of an embodiment of the present invention is configured to track multiple web applications at any given time to determine when to terminate requests to the same application resource when a redirection loops develops to that resource. In one embodiment of the present invention, a user programmable cookie is attached to the web browser to periodically check user specified web applications when a redirection loop is detected. The cookie enables the redirection loop to be terminated when the redirection loop reaches a predetermined maximum number of loops.

System and method for guarding against infinite loops from multi-point redirects in a multi-threaded environment

A system and method for preserving POST data on a server system are presented. Embodiments of the present invention include a method for preserving POST data comprising using a generic cache agent to intercept a POST request made by a client for a resource accessible from a server, creating a URI unique to the POST request, storing the URI and POST data associated with the POST request in a cache memory, redirecting the client to an authentication URL, and after authentication, retrieving the POST data from the cache memory, creating an HTML page, the HTML page comprising the POST data, and serving the HTML page to a web server. In another embodiment of the present invention, a cache engine clears stale POST data through a LRU (least recently used) cache mechanism. The present invention provides a generic cache engine that can be plugged into any web server running any kind of web application.

System and method for preserving post data on a server system

Embodiments of the present invention relate to a method and apparatus for a runtime merging system of hierarchical trees with a reference node implementation. According to one or more embodiments of the present invention, a reference node is implemented which holds a reference to a node in a DOM tree active in memory. The reference node class allows adding nodes to the merged tree without having to make a clone of the node, which is an expensive operation. In one embodiment, if a particular node is not present below a certain level of the tree in any layer except a unique layer, it renders visiting the children of that node unnecessary. A reference is kept to the node in the memory.

Method and apparatus for runtime merging of hierarchical trees

A hybrid system for updating cache including a first computer system coupled to a database accessible by a second computer system, said second computer system including a cache, a cache update controller for concurrently implementing a user defined cache update policy, including both notification based cache updates and periodic based cache updates, wherein said cache updates enforce data coherency between said database and said cache, and a graphical user interface for selecting between said notification based cache updates and said periodic based cache updates.

Hybrid system and method for updating remote cache memory with user defined cache update policies

The present invention relates to a garbage collector that uses an LRU algorithm to free memory from an XML DOM tree active in an application cache. According to one or more embodiments of the present invention, a threshold for the amount of memory permitted to reside in an application cache is set. Then, a garbage collector removes entries from the cache until it falls below the threshold. In one or more embodiments, a node table is used. When nodes are added to the XML DOM tree in the application cache the node table is updated. When the threshold for the amount of memory permitted to reside in the application cache is exceeded, the garbage collector applies an LRU algorithm uses the node table to determine which nodes to remove from the application cache. In one embodiment, the LRU algorithm scans the node table to determine the least recently used node in the table by examining time stamp entries in the table. Then, the algorithm removes that node and repeats the process until the XML DOM tree uses less memory in the cache than the threshold.

Growing community of inventors

San Mateo, CA, United States of America

Krishnendu Chakraborty