Implement a file system resource provider
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Key: SLING-583
URL: https://issues.apache.org/jira/browse/SLING-583
Project: Sling
Issue Type: New Feature
Components: Samples
Reporter: Felix Meschberger
Assignee: Felix Meschberger
The idea is to implement a ResourceProvider to access files and folders in the
platform filesystem through the virtual Resource tree. This functionality will
serve multiple purposes: (1) It shows how to implement a ResourceProvider
easily, (2) supports simple development and (3) may be used for support.
The following use cases for such a resource provider exist (maybe more):
Rapid Development
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The goal is to implement a Sling application, where the scripts are not stored
in the repository but will be loaded from the OSGi bundle which is part of the
application. Without filesystem resource provider, the scripts have to be
stored in the bundle from the start or be stored in the repository and moved to
the bundle later. The first approach is tedious as it requires
bundle-redeployment on each script change and the second is tedious as it is
easy to forget about copying the file out of the repository into the bundle
when done.
With the filesystem resource provider, the scripts may be developed with your
favourite IDE, persisted at the exact location, you later use them anyway (for
bundle inclusion or source control system), that is your project location. You
simply create a configuration for the filesystem provider, which maps the
scripts into the resource tree at the exact same location you will later
provide them in the bundle.
Each change in the script through the IDE is immediately visible in Sling.
Support
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Have you ever wanted to access the sling log file of a remote server ? Or
wanted to inspect the actual sling.properties file ? Or even wanted to have a
look at the actual Configuration Admin configuration files ?
The filesystem resource provider is your friend: Create a configuration mapping
sling.home into the resource tree and start looking at it.
Simple Remote Filesystem Browsing
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Browsing the remote filesystem was at the beginning of this idea: I have tons
of pictures, I would like to access in a Sling application. Instead of copying
all pictures into the repository (something, which might make sense in the
future, but not now), the filesystem resource provider allows mapping the
folder containing the pictures into the resource tree view.....
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