Copy all trunk samples to contrib

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+The Tuscany SCA Java runtime can run inside a webapp (a WAR) and expose 

+services when the webapp is started. In order for this to work 

+a number of things have to be in place in the webapp:

+

+1. The Tuscany runtime jars have to be packaed in the webapp WEB-INF/lib

+   directory

+2. The Tuscany HTTP filter servlet has to be configured in the 

+   WEB-INF/web.xml file using something like:

+

+  <filter>

+    <filter-name>tuscany</filter-name> 

+    <filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class> 

+  </filter>

+

+  <filter-mapping>

+    <filter-name>tuscany</filter-name> 

+    <url-pattern>/*</url-pattern> 

+  </filter-mapping>

+

+3. The composite application has to packaged in the WAR file. When the 

+   TuscanyServletFilter started it effectvely reads its own WAR file as

+   the contribution. As an alternative you can package complete 

+   contribution archives in the WEB-INF/sca-contributions directory.

+

+In the getting-started/helloworl-webapp sample we provided a Maven 

+build script that perform these WAR packaging steps. 

+

+To execute a webapp based contributions (sample contributions that have webapp

+at the end of their name) you can build the contribution using maven and then 

+copy the resulting war file to your web container of choice

+

+For example, for learning-more/binding-jsonrpc/contribution-calculator-webapp, 

+do the following

+

+cd learning-more/binding-jsonrpc/contribution-calculator-webapp

+mvn 

+cp target/sample-contribution-binding-jsonrpc-calculator-webapp.war your_container_deployment-dir

+

+

+As an alternative sample webapp based contributions can be run within Jetty directly from Maven, look for 

+webapp contributions that have the following configuration in their pom.xml file:

+

+<plugin>

+    <groupId>org.mortbay.jetty</groupId>

+    <artifactId>maven-jetty-plugin</artifactId>

+    <version>6.1.18</version>

+</plugin>

+

+For contributions that have this, for example, 

+learning-more/binding-jsonrpc/contribution-calculator-webapp, do the following

+

+cd learning-more/binding-jsonrpc/contribution-calculator-webapp

+mvn jetty:run

+

+This will launch the contribution in the Jetty runtime and then wait. At this point you can use

+HTTP clients to send messages to services that the running SCA applcation exposes. For this 

+example try pointing your browser at:

+

+http://localhost:8080/sample-contribution-binding-jsonrpc-calculator-webapp/