September 2001
Intermediate to advanced
512 pages
10h 22m
English
Content preview from Java™ Deployment with JNLP™ and Webstart™Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Persistence
Persistence services are achieved through the use of a PersistenceService class that saves FileContents objects given a URL as a key. The local file system works like a cache for this data that is always thought of as being a copy of data stored on the server. The whole concept is inspired by the cookies mechanism; the primary difference being that the space allowed on the disk is bigger and more flexible.
The URL-keys work hierarchically. That is, common directories are shared by applications sharing portions of their codebase.
For example, two applications having codebases can see each other application's data at locations http://www.asite.org/pub/ and http://www.asite.org/:
http://www.asite.org/pub/app1/
http://www.asite.org/pub/app2/ ...
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