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diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/README b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/README
new file mode 100644
index 0000000000..b69c6873a6
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/README
@@ -0,0 +1,266 @@
+Calculator Implementation Policies Sample
+=========================================
+This sample builds over simple calculator sample to demonstrate how Implementation Policies can 
+be use in Tuscany SCA Java.
+
+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 the sample  to see what happens 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-calculator.jar calculator.CalculatorClient
+
+and on *nix do
+
+java -cp ../../lib/tuscany-sca-manifest.jar:target/sample-calculator.jar calculator.CalculatorClient
+
+
+Sample Overview
+---------------
+The sample provides the calculator service with a default SCA (java) binding.  The 'logging' policy
+which is handled by the Tuscany SCA java policy-logging module is used in this calculator 
+composite to specify the need for 'logging'.  The MultiplyService Component specifies for 'jassAuthentication'
+which is one way of implemention login authentication, using the Java Authentication and Authorization Service.
+
+The logging intent and policyset that is to be used by this calculator application must be 
+defined in the definitions.xml file.  Here we use the policyset structure already defined in
+Tuscany for logging under the policy-logging and hence there is no need to specify the policyset processors 
+and policy handler classes as part of this application.  
+
+Similarly the jaasAuthentication intent and policyset also is defined in the definitions.xml file 
+of this sample.  This sample uses the calculator.security.JaasLoginModule class for handling the 
+authentication functions.  Right now there is a simply matching of userid and passwords that happens in this
+class.  Applications could implement their own sophisticated authentication mechanisms.  For more information
+on how to do this please look up Java Authentication and Authorization Service documentation.  The sample
+also use the calculator.security.CalculatorCallbackHandler to fetch the userid and password to be use for the
+login authentication.  This handler presently uses hardcoded userids and passwords.  Applications could
+typically use this handler to prompt for userid and passwords.
+
+There are two components that provide the calculator service namely 'CalculatorServiceComponent'
+and 'AnotherCalculatorServiceComponent'.  The logging intent is specified for the 'subtract' and 'divide' 
+operations of the 'CalculatorServiceCompnent' implementation, and on the entire implementation 
+(i.e. all operations) for the AddServiceComponent and AnotherCalculatorServiceComponent.
+
+The CalculatorClient first exercises the CalculatorServiceComponent calling add, 
+subtract, multiply and divide operations.  This results in logging messages appearing on the 
+console for 'add', 'subtract' and 'divide' operations.  The CalculatorClient then exercises the 
+AnotherCalculatorServiceComponent calling all the service methods.  This will result in logging messages
+printed on the console for all the operations.  For the 'add' operation there will be two sets of messages
+printed - one that has resulted from specifying the 'logging' intent on the implementation element of the
+'AnotherCalculatorServiceComponent' and another from specifying the 'logging' intent on the 
+'AddServiceComponent'
+
+The jaasAuthentication intent is specified for the 'MultiplyServiceComponent'.  So everytime this component
+is invoke an authentication is attempted and only if it succeeds, is the multiply function is invoked.  The
+console prints messages that denote if the authentication has succeeded or failed.
+
+Thus this sample demonstrates how intents could be applied to either implementations as a whole or to some
+selective operations on an implementation.
+
+
+calculator/
+  src/
+    main/
+      java/
+        calculator/
+          CalculatorService.java                - the first component, calls +-/* as 
+                                                appropriate
+          CalculatorServiceImpl.java
+          AddService.java                       - adds two numbers
+          AddServiceImpl.java
+          SubtractService.java                  - subtracts one number from another
+          SubtractServiceImpl.java
+          MultiplyService.java                  - multiplies two numbers
+          MultiplyServiceImpl.java
+          DivideService.java                    - divides one number by another
+          DivideServiceImpl.java
+          CalculatorClient.java                 - starts the SCA Runtime and 
+                                                deploys the Calculator.composite. 
+                                                It then calls the deployed Calculator 
+                                                Components services
+       calculator/security		
+       	  JaasLoginModule.java					JaasLoginModule implementation for this sample
+       	  CalculatorCallbackHandler.java		JAAS callbackhandler for fetching userid and password
+			
+		                                                
+      resources/
+        Calculator.composite                    - the SCA assembly for this sample
+        definitions.xml                         - sca definitions file that defines the 'logging' intent 
+                                                and policyset
+                                                used by this application
+        CalculatorLogMessages.properties        - A resource bundle contain the log messages to be 
+                                                used.
+        CalculatorJaas.config					- JAAS Login Configuration file
+        
+    test/
+      java/
+        calculator/
+          CalculatorTestCase.java - JUnit test case 
+  calculator.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 as 
+follows
+
+cd calculator-implementation-policies
+ant compile
+ant run
+
+You should see the following output from the run target.
+
+run:
+        [java] Calling CalculatorServiceComponent configured with 'logging' policy for subtract and divide operations...
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - add
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - add
+        [java] 3 + 2=5.0
+        [java] 3 - 2=1.0
+        [java] 3 * 2=6.0
+        [java] 3 / 2=1.5
+        [java] Calling CalculatorServiceComponent configured with 'logging' for all operations in the implementation...
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - subtract
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - subtract
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - divide
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - divide
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] 3 + 2=5.0
+        [java] 3 - 2=1.0
+        [java] 3 * 2=6.0
+        [java] INFO:  Invoking operation - add
+        [java] 3 / 2=1.5
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - add
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - add
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - add
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - subtract
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - subtract
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - multiply
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - multiply
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Invoking operation - divide
+        [java] Nov 23, 2007 1:06:10 PM
+        [java] INFO:  Returned from operation - divide
+
+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. 
+
+cd calculator
+mvn
+
+You should see the following output from the test phase. Notice the log messages.
+
+-------------------------------------------------------
+ T E S T S
+-------------------------------------------------------
+Running calculator.CalculatorTestCase
+Dec 18, 2007 12:05:06 PM org.apache.tuscany.sca.contribution.processor.ValidatingXMLStreamReader$1 error
+WARNING: XMLSchema validation problem in: file:/F:/LatestTrunk/sca/samples/calculator-implementation-policies/target/
+classes/Calculator.composite, line: 28, column: 4
+cvc-complex-type.2.4.a: Invalid content was found starting with element 'operation'. One of '{WC[##other:"http://www.
+osoa.org/xmlns/sca/1.0"]}' is expected.
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation add with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation add with return value 5
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - subtract
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation subtract with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - subtract
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation subtract with return value 1
+Successfully AUTHENTICATED!!
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - divide
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation divide with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - divide
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation divide with return value 1.5
+Dec 18, 2007 12:05:06 PM org.apache.tuscany.sca.contribution.processor.ValidatingXMLStreamReader$1 error
+WARNING: XMLSchema validation problem in: file:/F:/LatestTrunk/sca/samples/calculator-implementation-policies/target/
+classes/Calculator.composite, line: 28, column: 4
+cvc-complex-type.2.4.a: Invalid content was found starting with element 'operation'. One of '{WC[##other:"http://www.
+osoa.org/xmlns/sca/1.0"]}' is expected.
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation add with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation add with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation add with return value 5
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - add
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation add with return value 5
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - subtract
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation subtract with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - subtract
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation subtract with return value 1
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - multiply
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation multiply with arguments 3.0, 2.0,
+Successfully AUTHENTICATED!!
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - multiply
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation multiply with return value 6
+Dec 18, 2007 12:05:06 PM
+INFO:  Invoking operation - divide
+Dec 18, 2007 12:05:06 PM
+FINER: Inovoking operation divide with arguments 3.0, 2.0,
+Dec 18, 2007 12:05:06 PM
+INFO:  Returned from operation - divide
+Dec 18, 2007 12:05:06 PM
+FINER: Returning from operation divide with return value 1.5
+Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.823 sec
+
+Results :
+
+Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
+
+Results :
+
+Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
+This shows that the Junit test cases have run successfully. 
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/build.xml b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/build.xml
new file mode 100644
index 0000000000..3d65356a06
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/build.xml
@@ -0,0 +1,72 @@
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<project name="calculator" default="compile">
+    <property name="test.class" value="calculator.CalculatorClient" />
+	<property name="test.jar"   value="sample-calculator-impl-policies.jar" />
+	
+    <target name="init">
+        <mkdir dir="target/classes"/>
+    </target>
+	
+    <target name="compile" depends="init">
+        <javac srcdir="src/main/java"
+               destdir="target/classes"
+               debug="on"
+               source="1.5"
+               target="1.5">
+            <classpath>
+            	<pathelement location="../../lib/tuscany-sca-manifest.jar"/>
+            </classpath>
+        </javac> 
+        <copy todir="target/classes">
+            <fileset dir="src/main/resources"/>
+        </copy>
+        <jar destfile="target/${test.jar}" basedir="target/classes">
+            <manifest>
+                <attribute name="Main-Class" value="${test.class}" /> 
+            </manifest>
+        </jar>    	
+    </target>	
+	
+    <target name="run-classes">
+        <java classname="${test.class}"
+              fork="true">
+            <classpath>
+                <pathelement path="target/classes"/>
+            	<pathelement location="../../lib/tuscany-sca-manifest.jar"/>
+            </classpath>
+        </java>
+    </target>
+	
+    <target name="run">
+        <java classname="${test.class}"
+              fork="true">
+            <classpath>
+                <pathelement path="target/${test.jar}"/>
+            	<pathelement location="../../lib/tuscany-sca-manifest.jar"/>
+            </classpath>
+        </java>    	
+    </target>	
+	
+    <target name="clean">
+        <delete quiet="true" includeemptydirs="true">
+            <fileset dir="target"/>
+        </delete>
+    </target>
+</project>
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.png b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.png
new file mode 100644
index 0000000000..995a57b1fd
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.png
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.svg b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.svg
new file mode 100644
index 0000000000..af34f07e04
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/calculator.svg
@@ -0,0 +1,329 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+-->
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+       style="fill:#5b9d05;fill-opacity:1;fill-rule:evenodd;stroke:black;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       xml:space="preserve"
+       id="flowRoot1965"
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+         id="flowPara1973">add</flowPara><flowPara
+         id="flowPara1977">Service</flowPara></flowRoot>    <path
+       style="fill:#ae62bf;fill-opacity:1;fill-rule:evenodd;stroke:black;stroke-width:0.99999982px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       xml:space="preserve"
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+         id="flowPara1987">subtract</flowPara><flowPara
+         id="flowPara1989">Service</flowPara></flowRoot>    <path
+       style="fill:#ae62bf;fill-opacity:1;fill-rule:evenodd;stroke:black;stroke-width:0.99999982px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       d="M 431.37346,390.75329 L 471.35684,390.75329 L 478.62654,403.88527 L 470.14523,416.00711 L 431.37346,416.00711 L 440.4606,403.88527 L 431.37346,390.75329 z "
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+    <flowRoot
+       xml:space="preserve"
+       id="flowRoot1993"
+       transform="translate(161.3775,184.2583)"
+       style="font-size:8px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;text-align:start;line-height:100%;writing-mode:lr-tb;text-anchor:start;font-family:Bitstream Vera Sans"><flowRegion
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+         id="flowPara1999">multiply</flowPara><flowPara
+         id="flowPara2001">Service</flowPara></flowRoot>    <path
+       style="fill:#ae62bf;fill-opacity:1;fill-rule:evenodd;stroke:black;stroke-width:0.99999982px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       xml:space="preserve"
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+         id="flowPara2011">divide</flowPara><flowPara
+         id="flowPara2013">Service</flowPara></flowRoot>    <path
+       style="fill:none;fill-rule:evenodd;stroke:black;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       style="fill:none;fill-rule:evenodd;stroke:black;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       style="fill:none;fill-rule:evenodd;stroke:black;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+       style="fill:none;fill-rule:evenodd;stroke:black;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
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+  </g>
+</svg>
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/pom.xml b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/pom.xml
new file mode 100644
index 0000000000..1ebe9a82d2
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/pom.xml
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+<project>
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.apache.tuscany.sca</groupId>
+        <artifactId>tuscany-sca</artifactId>
+        <version>1.2.1-incubating-SNAPSHOT</version>
+        <relativePath>../../pom.xml</relativePath>
+    </parent>
+    <artifactId>sample-calculator-impl-policies</artifactId>
+    <name>Apache Tuscany SCA Calculator Sample using Implementation Policies</name>
+
+    <repositories>
+       <repository>
+          <id>apache.incubator</id>
+          <url>http://people.apache.org/repo/m2-incubating-repository</url>
+       </repository>
+    </repositories>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-host-embedded</artifactId>
+            <version>1.2.1-incubating-SNAPSHOT</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.tuscany.sca</groupId>
+            <artifactId>tuscany-implementation-java-runtime</artifactId>
+            <version>1.2.1-incubating-SNAPSHOT</version>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.2</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+       <finalName>${artifactId}</finalName>
+    </build>
+</project>
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddService.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddService.java
new file mode 100644
index 0000000000..188451ebac
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddService.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+/**
+ * The Add service interface
+ */
+public interface AddService {
+
+    double add(double n1, double n2);
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddServiceImpl.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddServiceImpl.java
new file mode 100644
index 0000000000..7ca8fb04b5
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/AddServiceImpl.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * An implementation of the Add service
+ */
+public class AddServiceImpl implements AddService {
+
+    public double add(double n1, double n2) {
+        Logger logger = Logger.getLogger("calculator");
+        logger.log(Level.FINEST, "Adding " + n1 + " and " + n2);
+        return n1 + n2;
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorClient.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorClient.java
new file mode 100644
index 0000000000..57bbc39d89
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorClient.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package calculator;
+
+import javax.security.auth.login.Configuration;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+
+/**
+ * This client program shows how to create an SCA runtime, start it,
+ * and locate and invoke a SCA component
+ */
+public class CalculatorClient {
+    public static void main(String[] args) throws Exception {
+        try {
+            Configuration secConf = Configuration.getConfiguration();
+        } catch ( java.lang.SecurityException e ) {
+            if ( e.getMessage().equals("Unable to locate a login configuration") ) {
+                System.setProperty("java.security.auth.login.config", 
+                       CalculatorClient.class.getClassLoader().getResource("CalculatorJass.config").toString());
+            } else {
+                throw e;
+            }
+        }
+
+        SCADomain scaDomain = SCADomain.newInstance("Calculator.composite");
+        
+        CalculatorService calculatorService = 
+            scaDomain.getService(CalculatorService.class, "CalculatorServiceComponent");
+
+        // Calculate
+        System.out.println("Calling CalculatorServiceComponent configured with 'logging' " +
+                "policy for subtract and divide operations...");
+        System.out.println("3 + 2=" + calculatorService.add(3, 2));
+        System.out.println("3 - 2=" + calculatorService.subtract(3, 2));
+        System.out.println("3 * 2=" + calculatorService.multiply(3, 2));
+        System.out.println("3 / 2=" + calculatorService.divide(3, 2));
+        
+        calculatorService = 
+            scaDomain.getService(CalculatorService.class, "AnotherCalculatorServiceComponent");
+
+        // Calculate
+        System.out.println("Calling CalculatorServiceComponent configured with 'logging' " +
+                "for all operations in the implementation...");
+        System.out.println("3 + 2=" + calculatorService.add(3, 2));
+        System.out.println("3 - 2=" + calculatorService.subtract(3, 2));
+        System.out.println("3 * 2=" + calculatorService.multiply(3, 2));
+        System.out.println("3 / 2=" + calculatorService.divide(3, 2));
+
+        scaDomain.close();
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorService.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorService.java
new file mode 100644
index 0000000000..031fa8b912
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorService.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+
+/**
+ * The Calculator service interface.
+ */
+public interface CalculatorService {
+
+    double add(double n1, double n2);
+
+    double subtract(double n1, double n2);
+
+    double multiply(double n1, double n2);
+
+    double divide(double n1, double n2);
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorServiceImpl.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorServiceImpl.java
new file mode 100644
index 0000000000..3d861f2018
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/CalculatorServiceImpl.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import org.osoa.sca.annotations.Reference;
+
+
+/**
+ * An implementation of the Calculator service.
+ */
+public class CalculatorServiceImpl implements CalculatorService {
+
+    private AddService addService;
+    private SubtractService subtractService;
+    private MultiplyService multiplyService;
+    private DivideService divideService;
+
+    @Reference
+    public void setAddService(AddService addService) {
+        this.addService = addService;
+    }
+
+    @Reference
+    public void setSubtractService(SubtractService subtractService) {
+        this.subtractService = subtractService;
+    }
+
+    @Reference
+    public void setDivideService(DivideService divideService) {
+        this.divideService = divideService;
+    }
+
+    @Reference
+    public void setMultiplyService(MultiplyService multiplyService) {
+        this.multiplyService = multiplyService;
+    }
+
+    public double add(double n1, double n2) {
+        return addService.add(n1, n2);
+    }
+
+    public double subtract(double n1, double n2) {
+        return subtractService.subtract(n1, n2);
+    }
+
+    public double multiply(double n1, double n2) {
+        return multiplyService.multiply(n1, n2);
+    }
+
+    public double divide(double n1, double n2) {
+        return divideService.divide(n1, n2);
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideService.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideService.java
new file mode 100644
index 0000000000..30d248208b
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideService.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+/**
+ * The divide service interface
+ */
+public interface DivideService {
+
+    double divide(double n1, double n2);
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideServiceImpl.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideServiceImpl.java
new file mode 100644
index 0000000000..1323edf55a
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/DivideServiceImpl.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * An implementation of the Divide service.
+ */
+public class DivideServiceImpl implements DivideService {
+
+    public double divide(double n1, double n2) {
+        Logger logger = Logger.getLogger("calculator");
+        logger.log(Level.FINEST, "Dividing " + n1 + " with " + n2);
+        return n1 / n2;
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyService.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyService.java
new file mode 100644
index 0000000000..5290605938
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyService.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+/**
+ * The interface for the multiply service
+ */
+public interface MultiplyService {
+
+    double multiply(double n1, double n2);
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyServiceImpl.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyServiceImpl.java
new file mode 100644
index 0000000000..91b803bc9e
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/MultiplyServiceImpl.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * An implementation of the Multiply service.
+ */
+public class MultiplyServiceImpl implements MultiplyService {
+
+    public double multiply(double n1, double n2) {
+        Logger logger = Logger.getLogger("calculator");
+        logger.log(Level.FINEST, "Multiplying " + n1 + " with " + n2);
+        return n1 * n2;
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractService.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractService.java
new file mode 100644
index 0000000000..bf0d1882b6
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractService.java
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+/**
+ * The interface for the multiply service
+ */
+public interface SubtractService {
+
+    double subtract(double n1, double n2);
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractServiceImpl.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractServiceImpl.java
new file mode 100644
index 0000000000..58cc4a3547
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/SubtractServiceImpl.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * An implementation of the subtract service.
+ */
+public class SubtractServiceImpl implements SubtractService {
+
+    public double subtract(double n1, double n2) {
+        Logger logger = Logger.getLogger("calculator");
+        logger.log(Level.FINEST, "Subtracting " + n1 + " from " + n2);
+        return n1 - n2;
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/CalculatorCallbackHandler.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/CalculatorCallbackHandler.java
new file mode 100644
index 0000000000..4f063993a3
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/CalculatorCallbackHandler.java
@@ -0,0 +1,50 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package calculator.security;
+
+import java.io.IOException;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class CalculatorCallbackHandler implements CallbackHandler {
+
+    public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
+        for (int i = 0; i < callbacks.length; i++) {
+            if (callbacks[i] instanceof NameCallback) {
+                NameCallback nc = (NameCallback)callbacks[i];
+                nc.setName("CalculatorUser");
+            } else if (callbacks[i] instanceof PasswordCallback) {
+                PasswordCallback pc = (PasswordCallback)callbacks[i];
+                pc.setPassword("CalculatorUserPasswd".toCharArray());
+            } else {
+                throw new UnsupportedCallbackException
+                 (callbacks[i], "Unsupported Callback!");
+            }
+          }
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/JaasLoginModule.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/JaasLoginModule.java
new file mode 100644
index 0000000000..b3ef6e7312
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/JaasLoginModule.java
@@ -0,0 +1,178 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package calculator.security;
+
+import java.security.Principal;
+import java.util.Map;
+
+import javax.security.auth.Subject;
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.login.LoginException;
+import javax.security.auth.spi.LoginModule;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JaasLoginModule implements LoginModule {
+
+    private CallbackHandler callbackHandler;
+    private Subject subject;
+    private Principal userPrincipal;
+    private String userId;
+    private String password;
+    private boolean succeeded;
+    private boolean commitSucceeded;
+
+    public void initialize(Subject subject,
+                           CallbackHandler callbackHandler,
+                           Map<String, ?> sharedState,
+                           Map<String, ?> options) {
+        this.callbackHandler = callbackHandler;
+        this.subject = subject;
+    }
+
+    public boolean login() throws LoginException {
+        Callback[] callbacks = new Callback[2];
+        callbacks[0] = new NameCallback("UserId:");
+        callbacks[1] = new PasswordCallback("Password:", false);
+
+        try {
+            callbackHandler.handle(callbacks);
+            userId = ((NameCallback)callbacks[0]).getName();
+            password = new String(((PasswordCallback)callbacks[1]).getPassword());
+
+            if (userId.equals("CalculatorUser") && password.equals("CalculatorUserPasswd")) {
+                System.out.println("Successfully AUTHENTICATED!!");
+                succeeded = true;
+                return true;
+            } else {
+                System.out.println("Incorrect userId / password! AUTHENTICATION FAILED!!");
+                return false;
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            return false;
+        }
+    }
+
+    /**
+     * <p> This method is called if the LoginContext's
+     * overall authentication succeeded
+     * (the relevant REQUIRED, REQUISITE, SUFFICIENT and OPTIONAL LoginModules
+     * succeeded).
+     *
+     * <p> If this LoginModule's own authentication attempt
+     * succeeded (checked by retrieving the private state saved by the
+     * <code>login</code> method), then this method associates a
+     * <code>UserPrincipal</code>
+     * with the <code>Subject</code> located in the
+     * <code>LoginModule</code>.  If this LoginModule's own
+     * authentication attempted failed, then this method removes
+     * any state that was originally saved.
+     *
+     * <p>
+     *
+     * @exception LoginException if the commit fails.
+     *
+     * @return true if this LoginModule's own login and commit
+     *          attempts succeeded, or false otherwise.
+     */
+    public boolean commit() throws LoginException {
+        if (succeeded == false) {
+            return false;
+        } else {
+            // add a Principal (authenticated identity) to the Subject
+
+            // assume the user we authenticated is the UserPrincipal
+            userPrincipal = new UserPrincipal(userId);
+            if (!subject.getPrincipals().contains(userPrincipal))
+                subject.getPrincipals().add(userPrincipal);
+
+            // in any case, clean out state
+            userId = null;
+            password = null;
+            commitSucceeded = true;
+            return true;
+        }
+    }
+
+    /**
+     * <p> This method is called if the LoginContext's
+     * overall authentication failed.
+     * (the relevant REQUIRED, REQUISITE, SUFFICIENT and OPTIONAL LoginModules
+     * did not succeed).
+     *
+     * <p> If this LoginModule's own authentication attempt
+     * succeeded (checked by retrieving the private state saved by the
+     * <code>login</code> and <code>commit</code> methods),
+     * then this method cleans up any state that was originally saved.
+     *
+     * <p>
+     *
+     * @exception LoginException if the abort fails.
+     *
+     * @return false if this LoginModule's own login and/or commit attempts
+     *          failed, and true otherwise.
+     */
+    public boolean abort() throws LoginException {
+        if (succeeded == false) {
+            return false;
+        } else if (succeeded == true && commitSucceeded == false) {
+            // login succeeded but overall authentication failed
+            succeeded = false;
+            userId = null;
+            password = null;
+            userPrincipal = null;
+        } else {
+            // overall authentication succeeded and commit succeeded,
+            // but someone else's commit failed
+            logout();
+        }
+        return true;
+    }
+
+    /**
+     * Logout the user.
+     *
+     * <p> This method removes the <code>SimplePrincipal</code>
+     * that was added by the <code>commit</code> method.
+     *
+     * <p>
+     *
+     * @exception LoginException if the logout fails.
+     *
+     * @return true in all cases since this <code>LoginModule</code>
+     *          should not be ignored.
+     */
+    public boolean logout() throws LoginException {
+        subject.getPrincipals().remove(userPrincipal);
+        succeeded = false;
+        succeeded = commitSucceeded;
+        userId = null;
+        if (password != null)
+            password = null;
+        userPrincipal = null;
+        return true;
+    }
+
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/UserPrincipal.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/UserPrincipal.java
new file mode 100644
index 0000000000..595626e672
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/java/calculator/security/UserPrincipal.java
@@ -0,0 +1,66 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package calculator.security;
+
+import java.security.Principal;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class UserPrincipal implements Principal {
+
+    private final String name;
+
+    public UserPrincipal(String name) {
+        if (name == null)
+            throw new IllegalArgumentException("name cannot be null");
+        this.name = name;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String toString() {
+        return name;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final UserPrincipal other = (UserPrincipal)obj;
+        if (name == null) {
+            if (other.name != null)
+                return false;
+        } else if (!name.equals(other.name))
+            return false;
+        return true;
+    }
+}
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/Calculator.composite b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/Calculator.composite
new file mode 100644
index 0000000000..d91bf88d96
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/Calculator.composite
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+-->
+<composite xmlns="http://www.osoa.org/xmlns/sca/1.0"
+           targetNamespace="http://sample"
+           xmlns:sample="http://sample"
+           name="Calculator"
+           xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0">
+
+    <component name="CalculatorServiceComponent">
+		<implementation.java class="calculator.CalculatorServiceImpl">
+			<operation name="divide" requires="tuscany:logging"/>
+			<operation name="subtract" requires="tuscany:logging"/>
+		</implementation.java>
+        <reference name="addService" target="AddServiceComponent" />
+        <reference name="subtractService" target="SubtractServiceComponent" />
+        <reference name="multiplyService" target="MultiplyServiceComponent" />
+        <reference name="divideService" target="DivideServiceComponent" />
+    </component>
+
+    <component name="AddServiceComponent">
+        <implementation.java class="calculator.AddServiceImpl" requires="tuscany:logging"/>
+    </component>
+
+    <component name="SubtractServiceComponent">
+        <implementation.java class="calculator.SubtractServiceImpl"/>
+    </component>
+
+    <component name="MultiplyServiceComponent">
+        <implementation.java class="calculator.MultiplyServiceImpl" requires="tuscany:jaasAuthentication"/>
+    </component>
+
+    <component name="DivideServiceComponent">
+        <implementation.java class="calculator.DivideServiceImpl"/>
+    </component>
+    
+    <component name="AnotherCalculatorServiceComponent">
+		<implementation.java class="calculator.CalculatorServiceImpl" requires="tuscany:logging"/>
+        <reference name="addService" target="AddServiceComponent" />
+        <reference name="subtractService" target="SubtractServiceComponent" />
+        <reference name="multiplyService" target="MultiplyServiceComponent" />
+        <reference name="divideService" target="DivideServiceComponent" />
+    </component>
+
+</composite>
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorJass.config b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorJass.config
new file mode 100644
index 0000000000..c3adb904b2
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorJass.config
@@ -0,0 +1,21 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+Calculator {
+  calculator.security.JaasLoginModule required debug=true;
+};
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorLogMessages.properties b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorLogMessages.properties
new file mode 100644
index 0000000000..0238f0b013
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/CalculatorLogMessages.properties
@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.    
+CALLING_OPERATION=Inovoking operation {0} with arguments {1}
+OPERATION_RETURNED=Returning from operation {0} with return value {1}
+\ No newline at end of file
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/definitions.xml b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/definitions.xml
new file mode 100644
index 0000000000..b9f0feb145
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/main/resources/definitions.xml
@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="ASCII"?>
+<!--
+    * Licensed to the Apache Software Foundation (ASF) under one
+    * or more contributor license agreements.  See the NOTICE file
+    * distributed with this work for additional information
+    * regarding copyright ownership.  The ASF licenses this file
+    * to you under the Apache License, Version 2.0 (the
+    * "License"); you may not use this file except in compliance
+    * with the License.  You may obtain a copy of the License at
+    * 
+    *   http://www.apache.org/licenses/LICENSE-2.0
+    * 
+    * Unless required by applicable law or agreed to in writing,
+    * software distributed under the License is distributed on an
+    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    * KIND, either express or implied.  See the License for the
+    * specific language governing permissions and limitations
+    * under the License.    
+-->
+<definitions xmlns="http://www.osoa.org/xmlns/sca/1.0" targetNamespace="http://tuscany.apache.org/xmlns/sca/1.0"
+    xmlns:sca="http://www.osoa.org/xmlns/sca/1.0" xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.0"
+    xmlns:calc="http://calculator">
+
+    <!-- Policy Intents -->
+    <intent name="logging" constrains="sca:implementation.java">
+        <description>All messages to and from this implementation must be logged</description>
+    </intent>
+
+    <intent name="jaasAuthentication" constrains="sca:implementation.java">
+        <description>All invocations to be authenticated</description>
+    </intent>
+
+    <!-- PolicySets -->
+    <policySet name="JaasPolicy" provides="tuscany:jaasAuthentication" appliesTo="sca:implementation.java"
+        xmlns="http://www.osoa.org/xmlns/sca/1.0">
+        <tuscany:jaasAuthentication>
+            <tuscany:configurationName>Calculator</tuscany:configurationName>
+            <tuscany:callbackHandler>calculator.security.CalculatorCallbackHandler</tuscany:callbackHandler>
+        </tuscany:jaasAuthentication>
+    </policySet>
+
+    <!-- PolicySets -->
+    <policySet name="JDKLoggingPolicy" provides="tuscany:logging" appliesTo="sca:implementation.java"
+        xmlns="http://www.osoa.org/xmlns/sca/1.0">
+        <tuscany:jdkLogger name="calculator">
+            <logLevel>FINER</logLevel>
+        </tuscany:jdkLogger>
+    </policySet>
+</definitions>
+\ No newline at end of file
diff --git a/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/test/java/calculator/CalculatorTestCase.java b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/test/java/calculator/CalculatorTestCase.java
new file mode 100644
index 0000000000..d44e86775b
--- /dev/null
+++ b/branches/sca-java-1.2.1/samples/calculator-implementation-policies/src/test/java/calculator/CalculatorTestCase.java
@@ -0,0 +1,74 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package calculator;
+
+import javax.security.auth.login.Configuration;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.host.embedded.SCADomain;
+
+/**
+ * This shows how to test the Calculator service component.
+ */
+public class CalculatorTestCase extends TestCase {
+
+    private CalculatorService calculatorService;
+    private CalculatorService anotherCalculatorService;
+    private SCADomain scaDomain;
+
+    @Override
+    protected void setUp() throws Exception {
+        try {
+            Configuration secConf = Configuration.getConfiguration();
+        } catch ( java.lang.SecurityException e ) {
+        	//FIXME: We should not compare exception strings as they are localized in various languages
+            //if ( e.getMessage().equals("Unable to locate a login configuration") ) {
+                System.setProperty("java.security.auth.login.config", 
+                       this.getClass().getClassLoader().getResource("CalculatorJass.config").toString());
+            //} else {
+            //    throw e;
+            //}
+        }
+        scaDomain = SCADomain.newInstance("Calculator.composite");
+        calculatorService = scaDomain.getService(CalculatorService.class, "CalculatorServiceComponent");
+        anotherCalculatorService = scaDomain.getService(CalculatorService.class, "AnotherCalculatorServiceComponent");
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        scaDomain.close();
+    }
+
+    public void testCalculator() throws Exception {
+        // Calculate
+        assertEquals(calculatorService.add(3, 2), 5.0);
+        assertEquals(calculatorService.subtract(3, 2), 1.0);
+        assertEquals(calculatorService.multiply(3, 2), 6.0);
+        assertEquals(calculatorService.divide(3, 2), 1.5);
+    }
+    
+    public void testAnotherCalculator() throws Exception {
+        // Calculate
+        assertEquals(anotherCalculatorService.add(3, 2), 5.0);
+        assertEquals(anotherCalculatorService.subtract(3, 2), 1.0);
+        assertEquals(anotherCalculatorService.multiply(3, 2), 6.0);
+        assertEquals(anotherCalculatorService.divide(3, 2), 1.5);
+    }
+}