[
http://issues.apache.org/jira/browse/SOLR-85?page=comments#action_12459240 ]
Thorsten Scherler commented on SOLR-85:
---------------------------------------
Well this issue can be seen as enabler for SOLR-66.
Especially the upload part.
@Yonik, yes the commons-fileupload.jar handles the multi-part posts:
ServletFileUpload upload = new ServletFileUpload(factory);
// Parse the request
List iter;
try {
iter = upload.parseRequest(request);
} catch (FileUploadException e) {
throw new IOException(
"FileUploadException\nStack: "
+ e);
}
We then wrap the file and open an input stream, which we pass to the core.
InputStream stream = item.getInputStream();
commandReader = new BufferedReader(new InputStreamReader(stream));
core.update(commandReader, responseWriter);
I reckon we could test the mime-type of the file before posting it to the
core.update.
This way we can generate xml out of csv like in SOLR-66.
So instead making SOLR-66 a servlet on its on it should become something like a
solr.input.plugin. A input plugin is code that is transforming incoming input
to solr internal xml markup used fo updates.
Now lets assume the csv has a register input plugin then we need to change
core.update(commandReader, responseWriter);
to something like
InputPlugin plugin = core.lookupPlugin(stream);
core.update(plugin.getReader(), responseWriter);
The lookup would be done done via a register that contains all input plugins
and their mime-type pairs. This way one can imagine not only cvs or xml as
input data. Imagine one want to use a SQL backend to update solr, with a sql
input plugin that would become an easy task.
the only hard thing is how to auto determine (configure) the plugins used for
certain streams. As a workaround one could add the plugin as input parameter.
WDYT?
> [PATCH] Add update form to the admin screen
> -------------------------------------------
>
> Key: SOLR-85
> URL: http://issues.apache.org/jira/browse/SOLR-85
> Project: Solr
> Issue Type: New Feature
> Components: update
> Reporter: Thorsten Scherler
> Attachments: solar-85.png, solar-85.png,
> solar-85.with.file.upload.diff, solr-85.diff, solr-85.diff, solr-85.FINAL.diff
>
>
> It would be nice to have a webform to update solr via a http interface
> instead of using the post.sh.
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