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Apache Tuscany Alert Aggregator Demo
====================================
The alert aggregator demo provides an application, implemented using SCA, that
aggregates feeds together and exposes them using the following bindings.
binding.ws
binding.jsonrpc
binding.feed
The easiest way to get going is to build the demo
cd alert-aggregator-webapp
mvn
This will build and test the source and generate a war file
demo-alert-aggregator-webapp.war
This war can be deployed to you web application container and tested (the war
has been tested with Tomcat 6.0.10).
The Web Application
-------------------
Once deployed point your browser at
http://localhost:8080/demo-alert-aggregator-webapp
Taking care to ensure the host name and port number match you local
configuration.
This launches a Javascript application in the browser that uses JSONRPC
to contact the server and retrived a list of alert sources and alerts that
these sources are providing.
There default sources that you see are stored in a file in the following
file
demo-alert-aggregator-webapp/WEB-INF/classes/sources.xml
This files has the following contents
<ns0:Config xmlns:ns0="http://tuscany.apache.org/sca/demos/aggregator/types">
<ns0:Source Id="0" FeedType="rss">
<ns0:Name>BBC News</ns0:Name>
<ns0:Address>http://news.bbc.co.uk/</ns0:Address>
<ns0:LastChecked>10-Jun-2007 16:34:03</ns0:LastChecked>
<ns0:FeedAddress>http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/world/rss.xml</ns0:FeedAddress>
</ns0:Source>
<ns0:Source Id="1" FeedType="rss">
<ns0:Name>Engadget</ns0:Name>
<ns0:Address>http://www.engadget.com</ns0:Address>
<ns0:LastChecked>10-Jun-2007 16:34:03</ns0:LastChecked>
<ns0:FeedAddress>http://www.engadget.com/rss.xml</ns0:FeedAddress>
</ns0:Source>
</ns0:Config>
You may want to adjust the "LastChecked" values to change the number of
alerts that are displayed in the first instance
Using A Feed Reader
-------------------
As this SCA application also uses the binding.feed binding you can use your
favourite feed reader to read the aggregated alerts. To do this point your
feed reader at
http://localhost:8080/demo-alert-aggregator-webapp/services/AlertsFeedServiceRSS
Again taking care to ensure that the host name and port number match you
local configuration.
Using Web Services
------------------
The SCA application also uses binding.ws to provide a SOAP/HTTP interface.
The demo client that uses this interface is not yet available.
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