Move Tuscany from Incubator to top level.

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68

14 files changed, 721 insertions, 0 deletions

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;
+    }
+}