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- <TITLE>Tuscany SCA Native Samples - Alert Aggregator Sample</TITLE>
-</HEAD>
-
-<BODY>
-<DIV ID="bodyColumn">
- <DIV ID="contentBox">
- <DIV CLASS="section">
- <H1>Tuscany SCA Native Samples - Alert Aggregator Sample</H1>
-
- <P>This is a more complex sample that shows how Tuscany and SCA can be used to
- develop and run mash-up style web applications.</P>
- <P>The Alert Aggregator sample aggregates items of information from various data
- sources into a series of "alerts" that are displayed in an
- automatically updating web page. Alert sources can currently include RSS/Atom
- news feeds and POP3/IMAP email</P>
- <P>The Alert Aggregator sample requires the following extensions:
- <UL>
- <LI><A HREF="../../doc/RESTExtension.html">REST Service and Reference Extensions</A></LI>
- <LI><A HREF="../../doc/PythonExtension.html">Python Extension</A></LI>
- </UL>
- Please follow the documentation to ensure you have these extensions built and installed
- on your system
- </P>
- <P>Additionally, the Alert Aggregator sample requires the Python FeedParser library, available from
- <A HREF="http://feedparser.org" TARGET="_blank">http://feedparser.org</A>. Please download and
- install the library by following the documentation.</P>
- <P>There are three sub-projects in this workspace:
- <UL>
- <LI>sample.alerter<BR/>
- This contains the source code and SCDL artifacts for the SCA components
- implementing the Alert Aggregator configuration and alert retrieval.
- </LI>
- <LI>sample.display<BR/>
- This contains the source code and SCDL artifacts for the SCA components
- implementing the display and storage of the retrieved alerts.
- </LI>
- <LI>httpserver<BR/>
- This contains a minimal configuration for the Apache HTTP server used
- to host the services as well as scripts to start and stop the server.
- </LI>
- </UL>
- Additionally, there is the sample.alerter.app.composite file. This
- describes the configuration of the SCA composites deployed to the SCA
- runtime.</P>
- <P>The following SCA diagram shows the different components and composites and how the
- wiring between them is specified. Not all of these components are currently
- implemented in this sample.</P>
- <IMG SRC="AlertAggregatorSCADiagram.png" ALT="Alert Aggregator SCA Diagram"/>
- </DIV>
-
- <DIV CLASS="section">
- <H2>Contents</H2>
- <OL>
- <LI><A HREF="#linuxbld">Building the Alert Aggregator sample on Linux and Mac OS X</A></LI>
- <LI><A HREF="#linuxrun">Running the Alert Aggregator sample on Linux and Mac OS X</A></LI>
- <LI><A HREF="#winbld">Building the Alert Aggregator sample on Windows</A></LI>
- <LI><A HREF="#winrun">Running the Alert Aggregator sample on Windows</A></LI>
- <LI><A HREF="#help">Getting help</A></LI>
- </OL>
- </DIV>
-
-
- <DIV CLASS="section">
- <A NAME="linuxbld"><H2>Building the Alert Aggregator sample on Linux and Mac OS X</H2></A>
- <P>If using the binary distribution the samples are built and installed in
- &lt;tuscany_sca_install_dir&gt;/samples - go directly to <A HREF="#linuxrun">Running the sample on Linux and Mac OS X</A>.</P>
- <OL>
- <LI>The following environment variables are required:
- <UL>
- <LI>TUSCANY_SCACPP=&lt;path to installed Tuscany SCA&gt;</LI>
- <LI>TUSCANY_SDOCPP=&lt;path to installed Tuscany SDO&gt;</LI>
- </UL>
- </LI>
- <LI>As the Alert Aggregator sample is based on Python scripts, a specific compilation step is not necessary -
- only deployment is required. Deploy the Python samples only with the following command sequence:
- <UL>
- <LI>cd &lt;tuscany_sca_install_dir&gt;/samples</LI>
- <LI>./configure --enable-python --enable-cpp=no --prefix=$TUSCANY_SCACPP/samples</LI>
- <LI>make install</LI>
- </UL>
- NOTE: If you don't provide the --prefix configure option, it will by default install into
- /usr/local/tuscany/sca/samples/AlertAggregator</LI>
- </OL>
- </DIV>
-
- <DIV CLASS="section">
- <A NAME="linuxrun"><H2>Running the Alert Aggregator sample on Linux and Mac OS X</H2></A>
- <OL>
- <LI>The Alert Aggregator sample requires the following extensions:
- <UL>
- <LI><A HREF="../../doc/RESTExtension.html">REST Service and Reference Extensions</A></LI>
- <LI><A HREF="../../doc/PythonExtension.html">Python Extension</A></LI>
- </UL>
- Please follow the documentation to ensure you have these extensions built and installed
- on your system
- </LI>
- <LI>The Alert Aggregator sample requires the Python FeedParser library, available from
- <A HREF="http://feedparser.org" TARGET="_blank">http://feedparser.org</A>. Please download and
- install the library by following the documentation.</LI>
- <LI>Start the Apache HTTPD server:
- <OL>
- <LI>The following environment variables are required:
- <UL>
- <LI>TUSCANY_SCACPP=&lt;path to installed Tuscany SCA&gt;</LI>
- <LI>TUSCANY_SDOCPP=&lt;path to installed Tuscany SDO&gt;</LI>
- <LI>PYTHON_LIB=&lt;path to the Python library&gt;<BR/>
- Note: If you are using a default installation of Python 2.5 this is usually /usr/lib</LI>
- </UL>
- </LI>
- <LI>cd &lt;tuscany_sca_install_dir&gt;/samples/AlertAggregator/deploy/httpserver</LI>
- <LI>./startserver.sh<BR/>
- NOTE: Depending on your installation of Apache HTTPD you may need to log in as root before following
- these steps. If so, you may also need to uncomment the User and Group directives in the
- &lt;tuscany_sca_install_dir&gt;/samples/AlertAggregator/deploy/httpserver/conf/httpd.conf file
- and set these to the appropriate username and group that the server should run as</LI>
- </OL>
- </LI>
- <LI>Run the client from your web browser:
- <OL>
- <LI>Point your browser at <A HREF="http://localhost:9090/index.html" TARGET="_blank">http://localhost:9090/index.html</A><BR/>
- NOTE: If plain text is diplayed by your browser, rather than a rendered web page, you may need
- to uncomment the LoadModule mime_module directive in the
- &lt;tuscany_sca_install_dir&gt;/samples/AlertAggregator/deploy/httpserver/conf/httpd.conf file. Set the correct path to
- the mod_mime.so library and restart the server</LI>
- <LI>You should see the Alert Aggregator web interface that allows you to:
- <UL>
- <LI>Read new alerts</LI>
- <LI>Update alerts from all sources</LI>
- <LI>Update alerts from a specific source</LI>
- <LI>Edit the configuration of a data source</LI>
- <LI>Add a new RSS/Atom or POP email data source</LI>
- <LI>Remove a specific data source and all associated alerts</LI>
- </UL>
- </LI>
- </OL>
- </LI>
- </OL>
- </DIV>
-
- <DIV CLASS="section">
- <A NAME="winbld"><H2>Building the Alert Aggregator sample on Windows</H2></A>
- <P>If using the binary distribution the samples are built and installed in
- &lt;tuscany_sca_install_dir&gt;\samples - go directly to <A HREF="#winrun">Running the samples on Windows</A>.</P>
- <OL>
- <LI>The following environment variables are required:
- <UL>
- <LI>TUSCANY_SCACPP=&lt;path to installed Tuscany SCA&gt;
- <LI>TUSCANY_SDOCPP=&lt;path to installed Tuscany SDO&gt;
- </UL></LI>
- </LI>
- <LI>As this sample is based on Ruby scripts, a specific compilation step is not necessary -
- only deployment is required. Deploy the sample with the following commands:
- <UL>
- <LI>cd &lt;tuscany_sca_install_dir&gt;\samples\AlertAggregator</LI>
- <LI>deploy.bat</LI>
- </UL>
- </LI>
- </OL>
- </DIV>
-
- <DIV CLASS="section">
- <A NAME="winrun"><H2>Running the Alert Aggregator sample on Windows</H2></A>
- <OL>
-
- <LI>The Alert Aggregator sample requires the following extensions:
- <UL>
- <LI><A HREF="../../doc/RESTExtension.html">REST Service and Reference Extensions</A></LI>
- <LI><A HREF="../../doc/PythonExtension.html">Python Extension</A></LI>
- </UL>
- Please follow the documentation to ensure you have these extensions built and installed
- on your system
- </LI>
- <LI>The Alert Aggregator sample requires the Python FeedParser library, available from
- <A HREF="http://feedparser.org" TARGET="_blank">http://feedparser.org</A>. Please download and
- install the library by following the documentation.</LI>
- <LI>Start the Apache HTTPD server:
- <OL>
- <LI>The following environment variables are required:
- <UL>
- <LI>TUSCANY_SCACPP=&lt;path to installed Tuscany SCA&gt;</LI>
- <LI>TUSCANY_SDOCPP=&lt;path to installed Tuscany SDO&gt;</LI>
- <LI>HTTPD_HOME=&lt;path to installed Apache HTTPD server&gt;</LI>
- </UL>
- </LI>
- <LI>cd &lt;tuscany_sca_install_dir&gt;\samples\AlertAggregator\deploy\httpserver</LI>
- <LI>startserver.bat</LI>
- </OL>
- </LI>
- <LI>Run the client from your web browser:
- <OL>
- <LI>Point your browser at <A HREF="http://localhost:9090/index.html" TARGET="_blank">http://localhost:9090/index.html</A><BR/>
- NOTE: If plain text is diplayed by your browser, rather than a rendered web page, you may need
- to uncomment the LoadModule mime_module directive in the
- &lt;tuscany_sca_install_dir&gt;\samples\AlertAggregator\deploy\httpserver\conf\httpd.conf file. Set the correct path to
- the mod_mime.so library (e.g. C:\Apache2.2\modules\mod_mime.so) and restart the server</LI>
- <LI>You should see the Alert Aggregator web interface that allows you to:
- <UL>
- <LI>Read new alerts</LI>
- <LI>Update alerts from all sources</LI>
- <LI>Update alerts from a specific source</LI>
- <LI>Edit the configuration of a data source</LI>
- <LI>Add a new RSS/Atom or POP email data source</LI>
- <LI>Remove a specific data source and all associated alerts</LI>
- </UL>
- </LI>
- </OL>
- </LI>
- </OL>
- </DIV>
-
-
-
- <DIV CLASS="section">
- <A NAME="help"><H2>Getting Help</H2></A>
-
- <P>The first place to look is at the Tuscany SCA FAQ at
- <A HREF="http://cwiki.apache.org/confluence/display/TUSCANY/Tuscany+SCA+-+FAQ"
- TARGET="_blank">http://cwiki.apache.org/confluence/display/TUSCANY/Tuscany+SCA+-+FAQ</A> </P>
-
- <P>Any problem with this release can be reported to the Tuscany
- <A HREF="http://cwiki.apache.org/TUSCANY/mailing-lists.html"
- TARGET="_blank">mailing lists</A> or create a JIRA issue at&nbsp;<A HREF="http://issues.apache.org/jira/browse/Tuscany"
- TARGET="_blank">http://issues.apache.org/jira/browse/Tuscany</A>.</P>
-
- </DIV>
- </DIV>
-</DIV>
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