Google App Engine support
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Key: CLK-560
URL: https://issues.apache.org/jira/browse/CLK-560
Project: Click
Issue Type: New Feature
Reporter: Bob Schellink
Assignee: Bob Schellink
Fix For: 2.1.0
Google App Engine (GAE) provides free Java hosting and an ideal solution for
startups or student wanting to host their applications.
This JIRA is to provide out-of-the-box support for Click applications.
Here are the issues enountered thus far:
1. - OGNL SecurityManager has to be set to null. This can be achived via a new
ServletContextListener in the extras package.
2. - GAE doesn't support writing to the file system so Click cannot deploy its
resources on the fly. Instead users will have to package resources within the
war itself. Servlet 3.0 may come to the rescue as it allows serving static
resources from the META-INF/resources folder. Very similar to Click's auto
deployment from META-INF/web, except Servlet 3.0 serves resources directly from
this location without having to deploy them.
3. - FileUpload doesn't work out of the box as it writes to the file system.
Should look at a Memory FileItem or somesuch solution.
4. - GAE's appengine-web.xml must be setup to exclude serving *.htm resources
(if PerformanceFilter is used png, gif, css and js files should also be
excluded)
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