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Hello World Secure Web Service References Sample
================================================
This sample demonstrates an SCA reference that uses a web service binding.
The README in the samples directory (the directory above this) provides
general instructions about building and running samples. Take a look there
first.
If you just want to run it to see what happens you need to run the server first
so open a command prompt, navigate to the helloworld-ws-service sample directory
and do
ant run
OR if you don't have ant, on Windows do
java -cp ..\..\lib\tuscany-sca-manifest.jar;target\sample-helloworld-ws-service-secure.jar helloworld.HelloWorldServer
and on *nix do
java -cp ../../lib/tuscany-sca-manifest.jar:target/sample-helloworld-ws-service-secure.jar helloworld.HelloWorldServer
Once the server is running open a command prompt, navigate to this sample
directory and do:
ant run
OR if you don't have ant, on Windows do
java -cp ..\..\lib\tuscany-sca-manifest.jar;target\sample-helloworld-ws-reference-secure.jar helloworld.HelloWorldClient
and on *nix do
java -cp ../../lib/tuscany-sca-manifest.jar:target/sample-helloworld-ws-reference-secure.jar helloworld.HelloWorldClient
Sample Overview
---------------
The sample provides a single component that is wired to a reference with a
web service binding. The binding refers to WSDL that identifies the service
exposed by the helloworld-ws-service-secure sample. This sample invokes a
secure web-serivce and hence specifies a policy intent named 'authentication'
which is fulfilled by a suitable policyset that is defined for the SCA Domain.
Over the helloworld-ws-reference sample, this sample demonstrate generally
the use of policy intents and policy sets in Tuscany taking the specific instance
of a security policy.
Note :
------
The policies mentioned and supported are instances of Tuscany specified policies and
not instnaces of WS-Policy.
helloworld-ws-reference-secure/
src/
main/
java/
helloworld/
HelloWorldService.java - interface description for
HelloWorldServiceComponent
HelloWorldServiceComponent.java - component implementation
HelloWorldClient.java - starts the SCA Runtime and
deploys the helloworldwsclient
.composite. It then calls the
HelloWorldServiceComponent
ClientPWCBHandler.java - Callback handler class to provide client password. The
handle(Callback[] callbacks) method of this class is where
code for accessing user registries and retrieving passwords
for given user identifiers can be encapsulated. For example
here is where one could access LDAP registries to obtain or
compare user identities and passwords.
resources/
wsdl
helloworld.wsdl - the service description that the
SCA reference uses to bind to
helloworldwsclient.composite - the SCA assembly for this sample
logging.properties - log4j configuration file
definitions.xml - the SCA Definitions file that contains intents and policysets
defined for the SCA Domain
test/
java/
helloworld/
HelloWorldClientTestCase.java - JUnit test case
HelloWorldServerTest.java - starts the Web service
helloworld-ws-reference-secure.png - a pictorial representation of the
sample .composite file
build.xml - the Ant build file
pom.xml - the Maven build file
Building And Running The Sample Using Ant
-----------------------------------------
With the binary distribution the sample can be built and run using Ant. Before
you do this start up the service that the reference will talk to. To do this
run up the helloworld-ws-service-secure test. Take a look at the README in that sample
and you will see you need the following commands
cd helloworld-ws-service-secure
ant run
Once done you can now compile and run this sample using the following commands;
cd helloworld-ws-reference-secure
ant compile
ant run
You should see the following output from the run target.
run:
[java] log4j:WARN No appenders could be found for logger (org.apache.axiom.
om.util.StAXUtils).
[java] log4j:WARN Please initialize the log4j system properly.
[java] Injected helloWorldService
[java] Called getGreetings
[java] *** Calling Client UserId/Password Handler ....
[java] Hello World
Building And Running The Sample Using Maven
-------------------------------------------
With either the binary or source distributions the sample can be built and run
using Maven as follows. When using Maven you don't need to run the helloworld-
ws-service-secure sample first as Maven does this for you.
cd helloworld-ws-reference-secure
mvn
You should see the following output from the test phase.
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running helloworld.HelloWorldClientTestCase
log4j:WARN No appenders could be found for logger (org.apache.axiom.om.util.StAX
Utils).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN No appenders could be found for logger (org.apache.axiom.om.util.StAX
Utils).
log4j:WARN Please initialize the log4j system properly.
10-May-2007 13:40:34 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.10
10-May-2007 13:40:35 org.apache.catalina.startup.ContextConfig defaultWebConfig
INFO: No default web.xml
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/resources/j2ee_1_4.xsd
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/resources/xml.xsd
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/jsp/resources/jsp_2_0.xsd
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/jsp/resources/web-jsptaglibrary_2_
0.xsd
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/resources/web-app_2_4.xsd
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/resources/j2ee_web_services_1_1.xs
d
10-May-2007 13:40:35 org.apache.catalina.startup.DigesterFactory register
WARNING: Could not get url for /javax/servlet/resources/j2ee_web_services_client
_1_1.xsd
10-May-2007 13:40:35 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8085
10-May-2007 13:40:35 org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8085
Injected helloWorldService
Called getGreetings
*** Calling Client UserId/Password Handler ....
*** Calling Server User/Passwd Handler....
10-May-2007 13:40:36 org.apache.coyote.http11.Http11Protocol destroy
INFO: Stopping Coyote HTTP/1.1 on http-8085
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.349 sec
Results :
This shows that the Junit test cases have run successfully. Also note that the client side and server side
callback handlers for authentication have been called.
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