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From "Rishi Verma (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OODT-456) New OFSN product handler to support generation of list of download URLs associated with an OFSN
Date Wed, 25 Jul 2012 23:56:33 GMT

     [ https://issues.apache.org/jira/browse/OODT-456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Rishi Verma updated OODT-456:

    Attachment: OODT-456.rverma.120725.patch.txt

Patch to resolve issue available for review.
> New OFSN product handler to support generation of list of download URLs associated with
> -----------------------------------------------------------------------------------------------
>                 Key: OODT-456
>                 URL: https://issues.apache.org/jira/browse/OODT-456
>             Project: OODT
>          Issue Type: New Feature
>          Components: grid, product server
>    Affects Versions: 0.3, 0.4
>            Reporter: Rishi Verma
>            Assignee: Rishi Verma
>            Priority: Minor
>             Fix For: 0.5
>         Attachments: OODT-456.rverma.120725.patch.txt
> OODT Grid, through the help of various OFSN product-handlers like StdOFSNGetHandler [1],
enables the download of products located on a particular host. Recursive product listing handlers
[2] furthermore, support the discovery of products located within a particular OFSN on the
product server. 
> Users within the climate change community have described a need to quickly download (n)
number of products located under a particular OFSN without having to individually download
each product. To address this need, I propose developing a new OFSN product handler combining
features of [1] and [2] to specifically generate a list of URLs that can be used to download
products easily. Tools, like wget, can easily use a file containing a list of URLa to actually
download the products automatically.
> To make this idea more generic, I will suggest that the return-type for URLs generated
by this handler, be configurable. Thus, it may be possible, for example, to get the MD5 checksum
for (n) number of products as easily as it would be to actually download the products themselves
using this new product-handler.
> --
> [1] http://svn.apache.org/repos/asf/oodt/trunk/product/src/main/java/org/apache/oodt/product/handlers/ofsn/StdOFSNGetHandler.java
> [2] http://svn.apache.org/repos/asf/oodt/trunk/product/src/main/java/org/apache/oodt/product/handlers/ofsn/FileListRecursiveHandler.java

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