Moving 2.x trunk

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@882795 13f79535-47bb-0310-9956-ffa450edef68

39 files changed, 1799 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ComponentContext.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ComponentContext.java
new file mode 100644
index 0000000000..740003fc12
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ComponentContext.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+import java.util.Collection;
+
+/**
+ * Interface providing programmatic access to a component's SCA context as an alternative to injection.
+ * It provides access to reference and property values for the component and provides a mechanism for
+ * obtaining a reference to a service that can be passed to other components.
+ * <p/>
+ * SCA components obtain an instance of this interface through injection. Non-SCA client code may also
+ * obtain an instance through runtime-specific mechanisms.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface ComponentContext {
+    /**
+     * Returns the absolute URI of the component within the SCA Domain.
+     *
+     * @return the absolute URI of the component
+     */
+    String getURI();
+
+    /**
+     * Cast a type-safe reference to a CallableReference.
+     * Converts a type-safe reference to an equivalent CallableReference; if the target refers to a service
+     * then a ServiceReference will be returned, if the target refers to a callback then a CallableReference
+     * will be returned.
+     *
+     * @param target a reference proxy provided by the SCA runtime
+     * @param <B> the Java type of the business interface for the reference
+     * @param <R> the type of reference to be returned
+     * @return a CallableReference equivalent for the proxy
+     * @throws IllegalArgumentException if the supplied instance is not a reference supplied by the SCA runtime
+     */
+    <B, R extends ServiceReference<B>> R cast(B target) throws IllegalArgumentException;
+
+    /**
+     * Returns a proxy for a reference defined by this component.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return an object that implements the business interface
+     */
+    <B> B getService(Class<B> businessInterface, String referenceName);
+
+    /**
+     * Returns a ServiceReference for a reference defined by this component.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference for the designated reference
+     */
+    <B> ServiceReference<B> getServiceReference(Class<B> businessInterface, String referenceName);
+
+    /**
+     * Returns the value of an SCA property defined by this component.
+     *
+     * @param type the Java type to be returned for the property
+     * @param propertyName the name of the property whose value should be returned
+     * @param <B> the Java type of the property
+     * @return the property value
+     */
+    <B> B getProperty(Class<B> type, String propertyName);
+
+    /**
+     * Returns a ServiceReference that can be used to invoke this component over the default service.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference that will invoke this component
+     */
+    <B> ServiceReference<B> createSelfReference(Class<B> businessInterface);
+
+    /**
+     * Returns a ServiceReference that can be used to invoke this component over the designated service.
+     *
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param serviceName the name of the service to invoke
+     * @param <B> the Java type of the business interface for the reference
+     * @return a ServiceReference that will invoke this component
+     */
+    <B> ServiceReference<B> createSelfReference(Class<B> businessInterface, String serviceName);
+
+    /**
+     * Returns the context for the current SCA service request, or null if there is no current request
+     * or if the context is unavailable.
+     *
+     * @return the SCA request context; may be null
+     */
+    RequestContext getRequestContext();
+    
+    
+    /* ******************** Contribution for issue TUSCANY-2281 ******************** */
+
+    /**
+     * Returns a Collection of typed service proxies for a business interface type and a reference name.
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return a Collection of objects that implements the business interface 
+     */
+    <B> Collection<B> getServices(Class<B> businessInterface, String referenceName); 
+ 
+
+    /**
+     * Returns a Collection of typed service reference for a business interface type and a reference name. 
+     * @param businessInterface the interface that will be used to invoke the service
+     * @param referenceName the name of the reference
+     * @param <B> the Java type of the business interface for the reference
+     * @return a Collection of objects that implements the business interface
+     */
+    <B> Collection<ServiceReference<B>> getServiceReferences(Class<B> businessInterface, String referenceName); 
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/Constants.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/Constants.java
new file mode 100644
index 0000000000..261b9baaf1
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/Constants.java
@@ -0,0 +1,34 @@
+/*
+ * 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 org.oasisopen.sca;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public interface Constants {
+    /**
+     * Namespace for intents.
+     */
+    String SCA_NS = "http://docs.oasis-open.org/ns/opencsa/sca/200903";
+
+    /**
+     * Prefix form of the namespace that can be prepended to intent declarations.
+     */
+    String SCA_PREFIX = '{' + SCA_NS + '}';
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/InvalidServiceException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/InvalidServiceException.java
new file mode 100644
index 0000000000..0076ad34c0
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/InvalidServiceException.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+/**
+ * This exception signals that the ServiceReference is no longer valid.
+ * This can happen when the target of the reference is undeployed.
+ *
+ * This exception is not transient and therefore is unlikely to be
+ * resolved by retrying the operation and will most likely require
+ * human intervention.
+ */
+public class InvalidServiceException extends ServiceRuntimeException {
+    /**
+     * Constructs a InvalidServiceException with no detail message. 
+     */
+    public InvalidServiceException() {
+        super();
+    }
+
+    /**
+     * Constructs a InvalidServiceException with the specified detail
+     * message. 
+     *
+     * @param     message the detail message
+     */
+    public InvalidServiceException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a InvalidServiceException with the specified detail
+     * message and cause.
+     *
+     * The detail message associated with <code>cause</code> is not
+     * automatically incorporated in this exception's detail message.
+     *
+     * @param     message the detail message
+     * @param     cause the cause, or null if the cause is nonexistent
+     *            or unknown
+     */
+    public InvalidServiceException(String message, Throwable cause) {
+        super(message, cause);
+    }
+ 
+    /**
+     * Constructs a InvalidServiceException with the specified cause and
+     * a detail message of <tt>(cause==null ? null : cause.toString())</tt>.
+     *
+     * @param     cause the cause, or null if the cause is nonexistent
+     *            or unknown
+     */
+    public InvalidServiceException(Throwable cause) {
+        super(cause);
+    }
+
+    private static final long serialVersionUID = 7520492728695222145L;
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchDomainException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchDomainException.java
new file mode 100644
index 0000000000..51a4dbe3ad
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchDomainException.java
@@ -0,0 +1,40 @@
+/*
+ * 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 org.oasisopen.sca;
+
+public class NoSuchDomainException extends Exception {
+    private static final long serialVersionUID = -3990087696861167748L;
+
+    public NoSuchDomainException() {
+        super((Throwable)null);
+    }
+
+    public NoSuchDomainException(String message) {
+        super(message);
+    }
+
+    public NoSuchDomainException(Throwable cause) {
+        super(cause);
+    }
+
+    public NoSuchDomainException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchServiceException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchServiceException.java
new file mode 100644
index 0000000000..62d1b07f23
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/NoSuchServiceException.java
@@ -0,0 +1,41 @@
+/*
+ * 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 org.oasisopen.sca;
+
+public class NoSuchServiceException extends Exception {
+    private static final long serialVersionUID = -3542376318558454581L;
+
+    public NoSuchServiceException() {
+        super((Throwable)null);
+    }
+
+    public NoSuchServiceException(String message) {
+        super(message);
+    }
+
+    public NoSuchServiceException(Throwable cause) {
+        super(cause);
+    }
+
+    public NoSuchServiceException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/RequestContext.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/RequestContext.java
new file mode 100644
index 0000000000..d12648a795
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/RequestContext.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+import javax.security.auth.Subject;
+
+/**
+ * Interface that provides information on the current request.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface RequestContext {
+    /**
+     * Returns the JAAS Subject of the current request.
+     *
+     * @return the Subject of the current request
+     */
+    Subject getSecuritySubject();
+
+    /**
+     * Returns the name of the service that was invoked.
+     *
+     * @return the name of the service that was invoked
+     */
+    String getServiceName();
+
+    /**
+     * Returns a CallableReference for the service that was invoked by the caller.
+     *
+     * @param <B> the Java type of the business interface for the reference
+     * @return a CallableReference for the service that was invoked by the caller
+     */
+    <B> ServiceReference<B> getServiceReference();
+
+    /**
+     * Returns a type-safe reference to the callback provided by the caller.
+     *
+     * @param <CB> the Java type of the business interface for the callback
+     * @return a type-safe reference to the callback provided by the caller
+     */
+    <CB> CB getCallback();
+
+    /**
+     * Returns a CallableReference to the callback provided by the caller.
+     *
+     * @param <CB> the Java type of the business interface for the callback
+     * @return a CallableReference to the callback provided by the caller
+     */
+    <CB> ServiceReference<CB> getCallbackReference();
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/SCARuntimeException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/SCARuntimeException.java
new file mode 100644
index 0000000000..ed957cff6d
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/SCARuntimeException.java
@@ -0,0 +1,41 @@
+/*
+ * 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 org.oasisopen.sca;
+
+public class SCARuntimeException extends RuntimeException {
+    private static final long serialVersionUID = -3867882539949395157L;
+
+    public SCARuntimeException() {
+        super((Throwable)null);
+    }
+
+    public SCARuntimeException(String message) {
+        super(message);
+    }
+
+    public SCARuntimeException(Throwable cause) {
+        super(cause);
+    }
+
+    public SCARuntimeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceReference.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceReference.java
new file mode 100644
index 0000000000..d89ed54d10
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceReference.java
@@ -0,0 +1,19 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+import java.io.Serializable;
+
+
+/**
+ * A ServiceReference represents a client's perspective of a reference to another service.
+ *
+ * @version $Rev$ $Date$
+ * @param <B> the Java interface associated with this reference
+ */
+public interface ServiceReference<B> extends Serializable {
+    B getService();
+    Class<B> getBusinessInterface();    
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceRuntimeException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceRuntimeException.java
new file mode 100644
index 0000000000..70c429dcc2
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceRuntimeException.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+
+/**
+ * Base for Exceptions that may be raised by an SCA runtime and which typical
+ * application code is not expected to be able to handle.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ServiceRuntimeException extends RuntimeException {
+    private static final long serialVersionUID = -3876058842262557092L;
+
+    /**
+     * Override constructor from RuntimeException.
+     *
+     * @see RuntimeException
+     */
+    public ServiceRuntimeException() {
+    }
+
+    /**
+     * Override constructor from RuntimeException.
+     *
+     * @param message passed to RuntimeException
+     * @see RuntimeException
+     */
+    public ServiceRuntimeException(String message) {
+        super(message);
+    }
+
+    /**
+     * Override constructor from RuntimeException.
+     *
+     * @param message passed to RuntimeException
+     * @param cause   passed to RuntimeException
+     * @see RuntimeException
+     */
+    public ServiceRuntimeException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Override constructor from RuntimeException.
+     *
+     * @param cause passed to RuntimeException
+     * @see RuntimeException
+     */
+    public ServiceRuntimeException(Throwable cause) {
+        super(cause);
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceUnavailableException.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceUnavailableException.java
new file mode 100644
index 0000000000..39cd6b1cac
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/ServiceUnavailableException.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca;
+
+/**
+ * Exception used to indicate that a runtime exception occurred during the invocation of and external service.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ServiceUnavailableException extends ServiceRuntimeException {
+
+    private static final long serialVersionUID = -5869397223249401047L;
+
+    /**
+     * Constructs a new ServiceUnavailableException.
+     */
+    public ServiceUnavailableException() {
+        super((Throwable) null);
+    }
+
+    /**
+     * Constructs a new ServiceUnavailableException with the specified detail message.
+     *
+     * @param message The detail message (which is saved to later retrieval by the getMessage() method).
+     */
+    public ServiceUnavailableException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a new ServiceUnavailableException with the specified cause.
+     *
+     * @param cause The cause (which is saved to later retrieval by the getCause() method).
+     */
+    public ServiceUnavailableException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs a new ServiceUnavailableException with the specified detail message and cause.
+     *
+     * @param message The message (which is saved to later retrieval by the getMessage() method).
+     * @param cause   The cause (which is saved to later retrieval by the getCause() method).
+     */
+    public ServiceUnavailableException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/AllowsPassByReference.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/AllowsPassByReference.java
new file mode 100644
index 0000000000..d394a64f91
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/AllowsPassByReference.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation on a service implementation class, on an individual method of a remotable service implementation, 
+ * or on an individual reference which uses a remotable interface, where the reference is a field, a setter method, 
+ * or a constructor parameter method.
+ * The annotation indicates that that the parameters and return value may safely
+ * be passed by reference. When the annotation is placed on a service implementation class or on a reference
+ * it indicates that all declared methods support this optimization.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({TYPE, METHOD, FIELD, PARAMETER})
+@Retention(RUNTIME)
+public @interface AllowsPassByReference {
+	
+	boolean value() default true;
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authentication.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authentication.java
new file mode 100644
index 0000000000..483fe2f293
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authentication.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation denoting the intent that service operations require authentication.
+ * <p/>
+ * Applied to the injection site (field, method or constructor parameter) for a reference,
+ * it indicates that all invocations through that reference require authentication.
+ * <p/>
+ * Applied to a interface method on a service contract, it indicates that all invocations
+ * of that service operation require authentication; applied to the type of a service contract,
+ * it indicates that all service operations on that interface require authentication.
+ * <p/>
+ * Applied to a method on an implementation class, it indicates that all invocations that
+ * are dispatched to that implementation method (through any service) require authentication.
+ * Applied to a interface implemented by an implementation class, it indicates that all
+ * invocations that are dispatched to the implementation method for that interface operation
+ * require authentication.
+ * <p/>
+ * Applied to an implementation class, it indicates that all invocations of that implementation
+ * and that all invocations made by that implementation require authentication.
+ *
+ * @version $Rev$ $Date$
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(Authentication.AUTHENTICATION)
+public @interface Authentication {
+    String AUTHENTICATION = SCA_PREFIX + "authentication";
+    String AUTHENTICATION_MESSAGE = AUTHENTICATION + "message";
+    String AUTHENTICATION_TRANSPORT = AUTHENTICATION + "transport";
+
+    /**
+     * List of authentication qualifiers (such as "message" or "transport").
+     *
+     * @return authentication qualifiers
+     */
+    @Qualifier
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authorization.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authorization.java
new file mode 100644
index 0000000000..76fcd866ae
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Authorization.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @Authorization annotation is used to indicate that
+ * an authorization policy is required - for a method, for an implementation class, for a reference
+ * (either injected as a method parameter or injected into a field)
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(Authorization.AUTHORIZATION)
+public @interface Authorization {
+    String AUTHORIZATION = SCA_PREFIX + "authorization";
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Callback.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Callback.java
new file mode 100644
index 0000000000..03598e10d0
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Callback.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * When placed on a service interface, this annotation specifies the interface
+ * to be used for callbacks.
+ * <p/>
+ * When placed on a method or field, this annotation denotes the injection
+ * site to be used for a callback reference.
+ * <p/>
+ * There is a error in the 1.00 draft spec in the declaration of this interface.
+ * The form defined here is a proposed correction for that error.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({TYPE, METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface Callback {
+    /**
+     * The Class of the associated callback interface.
+     *
+     * @return the associated callback interface
+     */
+    Class<?> value() default Void.class;
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ComponentName.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ComponentName.java
new file mode 100644
index 0000000000..7debe2ba89
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ComponentName.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a field or method that is used to inject the component's name.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface ComponentName {
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Confidentiality.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Confidentiality.java
new file mode 100644
index 0000000000..5481a988b6
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Confidentiality.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation denoting the intent that service operations require confidentiality.
+ * <p/>
+ * Applied to the injection site (field, method or constructor parameter) for a reference,
+ * it indicates that all invocations through that reference require confidentiality.
+ * <p/>
+ * Applied to a interface method on a service contract, it indicates that all invocations
+ * of that service operation require confidentiality; applied to the type of a service contract,
+ * it indicates that all service operations on that interface require confidentiality.
+ * <p/>
+ * Applied to a method on an implementation class, it indicates that all invocations that
+ * are dispatched to that implementation method (through any service) require confidentiality.
+ * Applied to a interface implemented by an implementation class, it indicates that all
+ * invocations that are dispatched to the implementation method for that interface operation
+ * require confidentiality.
+ * <p/>
+ * Applied to an implementation class, it indicates that all invocations of that implementation
+ * and that all invocations made by that implementation require confidentiality.
+ *
+ * @version $Rev$ $Date$
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(Confidentiality.CONFIDENTIALITY)
+public @interface Confidentiality {
+    String CONFIDENTIALITY = SCA_PREFIX + "confidentiality";
+    String CONFIDENTIALITY_MESSAGE = CONFIDENTIALITY + ".message";
+    String CONFIDENTIALITY_TRANSPORT = CONFIDENTIALITY + ".transport";
+
+    /**
+     * List of confidentiality qualifiers (such as "message" or "transport").
+     *
+     * @return confidentiality qualifiers
+     */
+    @Qualifier
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Constructor.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Constructor.java
new file mode 100644
index 0000000000..c1c99de683
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Constructor.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.CONSTRUCTOR;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Used to indicate the constructor the runtime is to use when instantiating a component implementation instance
+ *
+ * @version $Rev$ $Date$
+ */
+@Target(CONSTRUCTOR)
+@Retention(RUNTIME)
+public @interface Constructor {
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Context.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Context.java
new file mode 100644
index 0000000000..fce0334792
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Context.java
@@ -0,0 +1,25 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a field or setter method that is used to inject an SCA context.
+ * The type of context injected is determined by the type of the field or the parameter
+ * to the setter method and is typically a ComponentContext or RequestContext.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface Context {
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Destroy.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Destroy.java
new file mode 100644
index 0000000000..f9c6505648
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Destroy.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a method that will be called by the container when the
+ * scope defined for the local service ends.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target(METHOD)
+@Retention(RUNTIME)
+public @interface Destroy {
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/EagerInit.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/EagerInit.java
new file mode 100644
index 0000000000..a8e415a00b
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/EagerInit.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate an instance should be eagerly initialized.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({TYPE})
+@Retention(RUNTIME)
+public @interface EagerInit {
+
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Init.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Init.java
new file mode 100644
index 0000000000..b8b38a1088
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Init.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a method that will be called by the container when the scope defined for the local
+ * service begins.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target(METHOD)
+@Retention(RUNTIME)
+public @interface Init {
+
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Integrity.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Integrity.java
new file mode 100644
index 0000000000..14cd5ec005
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Integrity.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation denoting the intent that service operations require integrity.
+ * <p/>
+ * Applied to the injection site (field, method or constructor parameter) for a reference,
+ * it indicates that all invocations through that reference require integrity.
+ * <p/>
+ * Applied to a interface method on a service contract, it indicates that all invocations
+ * of that service operation require integrity; applied to the type of a service contract,
+ * it indicates that all service operations on that interface require integrity.
+ * <p/>
+ * Applied to a method on an implementation class, it indicates that all invocations that
+ * are dispatched to that implementation method (through any service) require integrity.
+ * Applied to a interface implemented by an implementation class, it indicates that all
+ * invocations that are dispatched to the implementation method for that interface operation
+ * require integrity.
+ * <p/>
+ * Applied to an implementation class, it indicates that all invocations of that implementation
+ * and that all invocations made by that implementation require integrity.
+ *
+ * @version $Rev$ $Date$
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(Integrity.INTEGRITY)
+public @interface Integrity {
+    String INTEGRITY = SCA_PREFIX + "integrity";
+    String INTEGRITY_MESSAGE = INTEGRITY + "message";
+    String INTEGRITY_TRANSPORT = INTEGRITY + "transport";
+
+    /**
+     * List of integrity qualifiers (such as "message" or "transport").
+     *
+     * @return integrity qualifiers
+     */
+    @Qualifier
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Intent.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Intent.java
new file mode 100644
index 0000000000..54a1935859
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Intent.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.ANNOTATION_TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that can be applied to annotations that describe SCA intents.
+ * Adding this annotation allows SCA runtimes to automatically detect user-defined intents.
+ * <p/>
+ * Applications must specify a value, a pairing of targetNamespace and localPort, or both.
+ * If both value and pairing are supplied they must define the name qualified name.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({ANNOTATION_TYPE})
+@Retention(RUNTIME)
+public @interface Intent {
+    /**
+     * The qualified name of the intent, in the form defined by {@link javax.xml.namespace.QName#toString}.
+     *
+     * @return the qualified name of the intent
+     */
+    String value() default "";
+
+    /**
+     * The XML namespace for the intent.
+     *
+     * @return the XML namespace for the intent
+     */
+    String targetNamespace() default "";
+
+    /**
+     * The name of the intent within its namespace.
+     *
+     * @return name of the intent within its namespace
+     */
+    String localPart() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedSharedTransaction.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedSharedTransaction.java
new file mode 100644
index 0000000000..b12050a3e3
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedSharedTransaction.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @ManagedSharedTransaction annotation is used to indicate that
+ * a distributed ACID transaction is required.
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(ManagedSharedTransaction.MANAGEDSHAREDTRANSACTION)
+public @interface ManagedSharedTransaction {
+    String MANAGEDSHAREDTRANSACTION = SCA_PREFIX + "managedSharedTransaction";
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedTransaction.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedTransaction.java
new file mode 100644
index 0000000000..7115e8a5e9
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/ManagedTransaction.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @ManagedTransaction annotation is used to indicate the
+ * need for an ACID transaction environment.
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(ManagedTransaction.MANAGEDTRANSACTION)
+public @interface ManagedTransaction {
+    String MANAGEDTRANSACTION = SCA_PREFIX + "managedTransaction";
+    String MANAGEDTRANSACTION_MESSAGE = MANAGEDTRANSACTION + ".local";
+    String MANAGEDTRANSACTION_TRANSPORT = MANAGEDTRANSACTION + ".global";
+
+    /**
+     * List of managedTransaction qualifiers (such as "global" or "local").
+     *
+     * @return managedTransaction qualifiers
+     */
+    @Qualifier
+    String[] value() default "";
+}
+
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/MutualAuthentication.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/MutualAuthentication.java
new file mode 100644
index 0000000000..d0825cd8e3
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/MutualAuthentication.java
@@ -0,0 +1,30 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @MutualAuthentication annotation is used to indicate that
+ * a mutual authentication policy is needed.
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(MutualAuthentication.MUTUALAUTHENTICATION)
+public @interface MutualAuthentication {
+    String MUTUALAUTHENTICATION = SCA_PREFIX + "mutualAuthentication";
+}
+
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/NoManagedTransaction.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/NoManagedTransaction.java
new file mode 100644
index 0000000000..b5ff494ca2
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/NoManagedTransaction.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static org.oasisopen.sca.Constants.SCA_PREFIX;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @NoManagedTransaction annotation is used to indicate that
+ * a non-transactional environment is needed.
+ */
+@Inherited
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+@Intent(NoManagedTransaction.NOMANAGEDTRANSACTION)
+public @interface NoManagedTransaction {
+    String NOMANAGEDTRANSACTION = SCA_PREFIX + "noManagedTransaction";
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/OneWay.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/OneWay.java
new file mode 100644
index 0000000000..700e71990c
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/OneWay.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation on a method that indicates that the method is non-blocking and communication
+ * with the service provider may use buffer the requests and send them at some later time.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD})
+@Retention(RUNTIME)
+public @interface OneWay {
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/PolicySets.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/PolicySets.java
new file mode 100644
index 0000000000..69f5828045
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/PolicySets.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that allows application of SCA Policy Sets.
+ * <p/>
+ * Each policy set is specified using its XML QName in the form defined by {@link javax.xml.namespace.QName#toString()}.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({TYPE, FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+public @interface PolicySets {
+    /**
+     * Returns the policy sets to be applied.
+     *
+     * @return the policy sets to be applied
+     */
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Property.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Property.java
new file mode 100644
index 0000000000..5905946627
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Property.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.    
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a constructor parameter, field or method that is
+ * used to inject a configuration property value.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD, FIELD, PARAMETER})
+@Retention(RUNTIME)
+public @interface Property {
+    /**
+     * The name of the property. If not specified then the name will be derived
+     * from the annotated field or method.
+     *
+     * @return the name of the property
+     */
+    String name() default "";
+
+    /**
+     * Indicates whether a value for the property must be provided.
+     *
+     * @return true if a value must be provided
+     */
+    boolean required() default true;
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Qualifier.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Qualifier.java
new file mode 100644
index 0000000000..97204fdf32
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Qualifier.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that can be applied to an attribute of an @Intent annotation to indicate the
+ * attribute provides qualifiers for the intent.
+ * 
+ * @version $Rev$ $Date$
+ */
+@Target(METHOD)
+@Retention(RUNTIME)
+public @interface Qualifier {
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Reference.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Reference.java
new file mode 100644
index 0000000000..8f7d6b2043
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Reference.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a constructor parameter, field or method that is used to inject a reference.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target({METHOD, FIELD, PARAMETER})
+@Retention(RUNTIME)
+public @interface Reference {
+    /**
+     * The name of the reference. If not specified then the name will be derived from the annotated field or method.
+     *
+     * @return the name of the reference
+     */
+    String name() default "";
+
+    /**
+     * Indicates if a reference must be specified.
+     *
+     * @return true if a reference must be specified
+     */
+    boolean required() default true;
+}
+
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Remotable.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Remotable.java
new file mode 100644
index 0000000000..3f7ac2623a
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Remotable.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a Java interface as remotable.
+ * Remotable interfaces use pass-by-value semantics, can be published as entry points
+ * and used for external services.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target(TYPE)
+@Retention(RUNTIME)
+public @interface Remotable {
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Requires.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Requires.java
new file mode 100644
index 0000000000..08eb0a8935
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Requires.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation that allows the attachment of any intent to a Java Class or interface or to members of that
+ * class such as methods, fields or constructor parameters.
+ * <p/>
+ * Intents are specified as XML QNames in the representation defined by
+ * {@link javax.xml.namespace.QName#toString()}. Intents may be qualified with one or more
+ * suffixes separated by a "." such as:
+ * <ul>
+ * <li>{http://docs.oasis-open.org/ns/opencsa/sca/200903}confidentiality</li>
+ * <li>{http://docs.oasis-open.org/ns/opencsa/sca/200903}confidentiality.message</li>
+ * </ul>
+ * This annotation supports general purpose intents specified as strings.  Users may also define
+ * specific intents using the {@link @org.oasisopen.sca.annotation.Intent} annotation.
+ *
+ * @version $Rev$ $Date$
+ */
+@Inherited
+@Retention(RUNTIME)
+@Target({TYPE, METHOD, FIELD, PARAMETER})
+public @interface Requires {
+    /**
+     * Returns the attached intents.
+     *
+     * @return the attached intents
+     */
+    String[] value() default "";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Scope.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Scope.java
new file mode 100644
index 0000000000..8f9a13430e
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Scope.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * Annotation used to indicate a scoped service.
+ * <p/>
+ * The spec refers to but does not describe an eager() attribute; this is an error in the draft.
+ *
+ * @version $Rev$ $Date$
+ */
+@Target(TYPE)
+@Retention(RUNTIME)
+public @interface Scope {
+    /**
+     * The name of the scope. Values currently defined by the specification are:
+     * <ul>
+     * <li>STATELESS (default)</li>
+     * <li>COMPOSITE</li>
+     * </ul>
+     *
+     * @return the name of the scope
+     */
+    String value() default "STATELESS";
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Service.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Service.java
new file mode 100644
index 0000000000..a60754762e
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/annotation/Service.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
+ * OASIS trademark, IPR and other policies apply.
+ */
+package org.oasisopen.sca.annotation;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+/**
+ * The @Service annotation is used on a component implementation
+ * class to specify the SCA services offered by the implementation.
+ *
+ * The class need not be declared as implementing all of the
+ * interfaces implied by the services, but all methods of the service
+ * interfaces must be present.
+ *
+ * A class used as the implementation of a service is not required
+ * to have a @Service annotation.  If a class has no @Service annotation,
+ * then the rules determining which services are offered and what
+ * interfaces those services have are determined by the specific
+ * implementation type.
+ */
+@Target(TYPE)
+@Retention(RUNTIME)
+public @interface Service {
+
+    /**
+     * The value is an array of interface or class objects that should be
+     * exposed as services by this component.
+     *
+     * @return the services of this component
+     */
+    Class<?>[] value();
+
+    /**
+     * The value is an array of strings which are used as the service names
+     * for each of the interfaces declared in the value array.
+     *
+     * @return the service names
+     */
+    String[] names() default {};
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClient.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClient.java
new file mode 100644
index 0000000000..907330e93b
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClient.java
@@ -0,0 +1,53 @@
+/* 
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved. 2299
+ * OASIS trademark, IPR and other policies apply. 2300
+ */
+package org.oasisopen.sca.client;
+
+import java.net.URI;
+import org.oasisopen.sca.NoSuchDomainException;
+import org.oasisopen.sca.NoSuchServiceException;
+
+/**
+ * Client side helper that can be used to lookup SCA Services within a SCA Domain.
+ * 
+ * @see SCAClientFactory
+ */
+public class SCAClient {
+
+    /**
+     * Returns a reference proxy that implements the business interface <T> of a
+     * service in a domain
+     * 
+     * @param uri the URI of the target service. Takes the form domainURI/componentName/serviceName. 
+     *           The domainURI can be left off and defaults to the implementation specific default domain
+     *           The service can also take the extended form
+     *                domainURI/componentName/serviceName (or /componentName/serviceName). 
+     *            Can also take the extended form domainURI/componentName/serviceName/bindingName 
+     *            (or /componentName/serviceName/bindingName) to use a specific binding of the target service
+     * @param interfaze The business interface class of the service in the
+     *                domain
+     * @param <T> The business interface class of the service in the domain
+     * @return a proxy to the target service, in the specified SCA Domain that
+     *         implements the business interface <B>.
+     * @throws NoSuchServiceException Service requested was not found
+     * @throws NoSuchDomainException Domain requested was not found
+     */
+    public static <T> T getService(Class<T> interfaze, String uri) throws NoSuchServiceException, NoSuchDomainException {
+        URI domainURI = null;
+        String serviceURI;
+        int i = uri.indexOf('/');
+        if (i == -1) {
+            domainURI = null;
+            serviceURI = uri;
+        } else {
+            serviceURI = uri.substring(i+1);
+            if (i > 0) {
+                domainURI = URI.create(uri.substring(0, i));
+            } else {
+                domainURI = null;
+            }
+        }
+        return SCAClientFactory.newInstance(domainURI).getService(interfaze, serviceURI);       
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClientFactory.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClientFactory.java
new file mode 100644
index 0000000000..e96969c99d
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/SCAClientFactory.java
@@ -0,0 +1,126 @@
+/* 
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved. 
+ * OASIS trademark, IPR and other policies apply. 
+ */
+package org.oasisopen.sca.client;
+
+import java.net.URI;
+import java.util.Properties;
+
+import org.oasisopen.sca.NoSuchDomainException;
+import org.oasisopen.sca.NoSuchServiceException;
+import org.oasisopen.sca.client.impl.SCAClientFactoryFinder;
+
+/**
+ * The SCAClientFactory can be used by non-SCA managed code to lookup services
+ * that exist in a SCADomain.
+ * 
+ * @see SCAClientFactoryFinder
+ * @see SCAClient
+ * @author OASIS Open
+ */
+public abstract class SCAClientFactory {
+    
+    private URI domainURI;
+
+    private SCAClientFactory() {
+    }
+
+    /**
+     * Constructor used by concrete subclasses
+     * @param domainURI - The Domain URI of the Domain accessed via this SCAClientFactory
+     */
+    protected SCAClientFactory(URI domainURI) {
+        this.domainURI = domainURI;
+    }
+
+    /**
+     * Gets the Domain URI of the Domain accessed via this SCAClientFactory
+     * @return - the URI for the Domain
+     */
+    protected URI getDomainURI() {
+        return domainURI;
+    }
+    
+    /**
+     * The default implementation of the SCAClientFactory. A Vendor may use
+     * reflection to inject a default SCAClientFactory instance that will be
+     * used in the newInstance() methods rather than using the
+     * SCAClientFactoryFinder.
+     */
+    protected static SCAClientFactory defaultFactory;
+
+    /**
+     * Creates a new instance of the SCAClient that can be used to lookup SCA
+     * Services.
+     * 
+     * @return A new SCAClient
+     */
+    public static SCAClientFactory newInstance(URI domainURI) throws NoSuchDomainException {
+        return newInstance(null, null, domainURI);
+    }
+
+    /**
+     * Creates a new instance of the SCAClient that can be used to lookup SCA
+     * Services.
+     * 
+     * @param properties Properties that may be used when creating a new
+     *                instance of the SCAClient
+     * @return A new SCAClient instance
+     */
+    public static SCAClientFactory newInstance(Properties properties, URI domainURI) {
+        return newInstance(properties, null, domainURI);
+    }
+
+    /**
+     * Creates a new instance of the SCAClient that can be used to lookup SCA
+     * Services.
+     * 
+     * @param classLoader ClassLoader that may be used when creating a new
+     *                instance of the SCAClient
+     * @return A new SCAClient instance
+     */
+    public static SCAClientFactory newInstance(ClassLoader classLoader, URI domainURI) {
+        return newInstance(null, classLoader, domainURI);
+    }
+
+    /**
+     * Creates a new instance of the SCAClient that can be used to lookup SCA
+     * Services.
+     * 
+     * @param properties Properties that may be used when creating a new
+     *                instance of the SCAClient
+     * @param classLoader ClassLoader that may be used when creating a new
+     *                instance of the SCAClient
+     * @return A new SCAClient instance
+     */
+    public static SCAClientFactory newInstance(Properties properties, ClassLoader classLoader, URI domainURI) {
+        final SCAClientFactory factory;
+        if (defaultFactory == null) {
+            factory = SCAClientFactoryFinder.find(properties, classLoader, domainURI);
+        } else {
+            factory = defaultFactory;
+        }
+        return factory;
+    }
+
+    /**
+     * Returns a reference proxy that implements the business interface <T>
+     * of a service in the SCA Domain handled by this SCAClientFactory
+     *
+     * @param serviceURI the relative URI of the target service. Takes the
+     * form componentName/serviceName.
+     * Can also take the extended form componentName/serviceName/bindingName
+     * to use a specific binding of the target service
+     *
+     * @param interfaze The business interface class of the service in the
+     * domain
+     * @param <T> The business interface class of the service in the domain
+     *
+     * @return a proxy to the target service, in the specified SCA Domain
+     * that implements the business interface <B>.
+     * @throws NoSuchServiceException Service requested was not found
+     * @throws NoSuchDomainException Domain requested was not found
+     */
+     public abstract <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException, NoSuchDomainException;
+}
diff --git a/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/impl/SCAClientFactoryFinder.java b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/impl/SCAClientFactoryFinder.java
new file mode 100644
index 0000000000..5137f8a658
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/sca-api/src/main/java/org/oasisopen/sca/client/impl/SCAClientFactoryFinder.java
@@ -0,0 +1,241 @@
+/* 
+ * Copyright(C) OASIS(R) 2005,2009. All Rights Reserved. 
+ * OASIS trademark, IPR and other policies apply. 
+ */
+package org.oasisopen.sca.client.impl;
+
+import java.io.BufferedReader;
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.URI;
+import java.net.URL;
+import java.util.Properties;
+
+import org.oasisopen.sca.SCARuntimeException;
+import org.oasisopen.sca.client.SCAClientFactory;
+
+/**
+ * This is a default class that returns an SCAClientFactory implementation -
+ * this class can be replaced by a vendor implementation.
+ * 
+ * @see SCAClientFactory
+ * @author OASIS Open
+ */
+public class SCAClientFactoryFinder {
+
+    /**
+     * The name of the System Property used to determine the SPI implementation
+     * to use for the SCAClientFactory.
+     */
+    private static final String SCA_CLIENT_FACTORY_PROVIDER_KEY = SCAClientFactory.class.getName();
+
+    /**
+     * The name of the file loaded from the ClassPath to determine 2488 the SPI
+     * implementation to use for the SCAClientFactory. 2489
+     */
+    private static final String SCA_CLIENT_FACTORY_PROVIDER_META_INF_SERVICE = "META-INF/services/" + SCA_CLIENT_FACTORY_PROVIDER_KEY;
+
+    /**
+     * Private Constructor.
+     */
+    private SCAClientFactoryFinder() {
+    }
+
+    /**
+     * Creates an instance of the SCAClientFactory implementation. This
+     * discovers the SCAClientFactory implementation and instantiates the
+     * provider's implementation.
+     * 
+     * @param properties Properties that may be used when creating a new
+     *                instance of the SCAClient
+     * @param classLoader ClassLoader that may be used when creating a new
+     *                instance of the SCAClient
+     * @return new instance of the SCAClientFactory
+     * @throws SCARuntimeException Failed to create SCAClientFactory
+     *                 implementation.
+     */
+    public static SCAClientFactory find(Properties properties, ClassLoader classLoader, URI domainURI) {
+        if (classLoader == null) {
+            classLoader = getThreadContextClassLoader();
+            if (classLoader == null) {
+                classLoader = SCAClientFactoryFinder.class.getClassLoader();
+            }
+        }
+        final String factoryImplClassName = discoverProviderFactoryImplClass(properties, classLoader);
+        final Class<? extends SCAClientFactory> factoryImplClass = loadProviderFactoryClass(factoryImplClassName, classLoader);
+        final SCAClientFactory factory = instantiateSCAClientFactoryClass(factoryImplClass, domainURI);
+        return factory;
+    }
+
+    /**
+     * Gets the Context ClassLoader for the current Thread.
+     * 
+     * @return The Context ClassLoader for the current Thread.
+     */
+    private static ClassLoader getThreadContextClassLoader() {
+        final ClassLoader threadClassLoader = Thread.currentThread().getContextClassLoader();
+        return threadClassLoader;
+    }
+
+    /**
+     * Attempts to discover the class name for the SCAClientFactory
+     * implementation from the specified Properties, the System Properties or
+     * the specified ClassLoader.
+     * 
+     * @return The class name of the SCAClientFactory implementation
+     * @throw SCARuntimeException Failed to find implementation for
+     *        SCAClientFactory.
+     */
+    private static String discoverProviderFactoryImplClass(Properties properties, ClassLoader classLoader) throws SCARuntimeException {
+        String providerClassName = checkPropertiesForSPIClassName(properties);
+        if (providerClassName != null) {
+            return providerClassName;
+        }
+
+        providerClassName = checkPropertiesForSPIClassName(System.getProperties());
+        if (providerClassName != null) {
+            return providerClassName;
+        }
+        
+        return checkMETAINFServicesForClassName(classLoader);
+    }
+
+    /**
+     * Attempts to find the class name for the SCAClientFactory implementation
+     * from the specified Properties.
+     * 
+     * @return The class name for the SCAClientFactory implementation or
+     *         <code>null</code> if not found.
+     */
+    private static String checkPropertiesForSPIClassName(Properties properties) {
+        if (properties == null) {
+            return null;
+        }
+
+        final String providerClassName = properties.getProperty(SCA_CLIENT_FACTORY_PROVIDER_KEY);
+        if (providerClassName != null && providerClassName.length() > 0) {
+            return providerClassName;
+        }
+
+        return null;
+    }
+
+    /**
+     * Attempts to find the class name for the SCAClientFactory implementation
+     * from the META-INF/services directory
+     * 
+     * @return The class name for the SCAClientFactory implementation or
+     *         <code>null</code> if not found.
+     */
+    private static String checkMETAINFServicesForClassName(ClassLoader cl) {
+        final URL url = cl.getResource(SCA_CLIENT_FACTORY_PROVIDER_META_INF_SERVICE);
+        if (url == null) {
+            return null;
+        }
+
+        InputStream in = null;
+        try {
+            in = url.openStream();
+            BufferedReader reader = null;
+            try {
+                reader = new BufferedReader(new InputStreamReader(in, "UTF-8"));
+
+                String line;
+                while ((line = readNextLine(reader)) != null) {
+                    if (!line.startsWith("#") && line.length() > 0) {
+                        return line;
+                    }
+                }
+                return null;
+            } finally {
+                closeStream(reader);
+            }
+        } catch (IOException ex) {
+            throw new SCARuntimeException("Failed to discover SCAClientFactory provider", ex);
+        } finally {
+            closeStream(in);
+        }
+    }
+
+    /**
+     * Reads the next line from the reader and returns the trimmed version of
+     * that line
+     * 
+     * @param reader The reader from which to read the next line
+     * @return The trimmed next line or <code>null</code> if the end of the
+     *         stream has been reached
+     * @throws IOException I/O error occurred while reading from Reader
+     */
+    private static String readNextLine(BufferedReader reader) throws IOException {
+
+        String line = reader.readLine();
+        if (line != null) {
+            line = line.trim();
+        }
+        return line;
+    }
+
+    /**
+     * Loads the specified SCAClientFactory implementation class.
+     * 
+     * @param factoryImplClassName The name of the SCAClientFactory
+     *                Implementation class to load
+     * @return The specified SCAClientFactory Implementation class
+     * @throws SCARuntimeException Failed to load the SCAClientFactory
+     *                 implementation class
+     */
+    private static Class<? extends SCAClientFactory> loadProviderFactoryClass(String factoryImplClassName, ClassLoader classLoader)
+        throws SCARuntimeException {
+
+        try {
+            final Class<?> providerClass = classLoader.loadClass(factoryImplClassName);
+            final Class<? extends SCAClientFactory> providerFactoryClass = providerClass.asSubclass(SCAClientFactory.class);
+            return providerFactoryClass;
+        } catch (ClassNotFoundException ex) {
+            throw new SCARuntimeException("Failed to load SCAClientFactory implementation class " + factoryImplClassName, ex);
+        } catch (ClassCastException ex) {
+            throw new SCARuntimeException("Loaded SCAClientFactory implementation class " + factoryImplClassName
+                + " is not a subclass of "
+                + SCAClientFactory.class.getName(), ex);
+        }
+    }
+
+    /**
+     * Instantiate an instance of the specified SCAClientFactory implementation
+     * class.
+     * 
+     * @param factoryImplClass The SCAClientFactory implementation class to
+     *                instantiate.
+     * @param domainURI 
+     * @return An instance of the SCAClientFactory implementation class
+     * @throws SCARuntimeException Failed to instantiate the specified specified
+     *                 SCAClientFactory implementation class
+     */
+    private static SCAClientFactory instantiateSCAClientFactoryClass(Class<? extends SCAClientFactory> factoryImplClass, URI domainURI) throws SCARuntimeException {
+
+        try {
+            final SCAClientFactory provider = factoryImplClass.getConstructor(URI.class).newInstance(domainURI);
+            return provider;
+        } catch (Throwable ex) {
+            ex.printStackTrace();
+            throw new SCARuntimeException("Failed to instantiate SCAClientFactory implementation class " + factoryImplClass, ex);
+        }
+    }
+
+    /**
+     * Utility method for closing Closeable Object.
+     * 
+     * @param closeable The Object to close.
+     */
+    private static void closeStream(Closeable closeable) {
+        if (closeable != null) {
+            try {
+                closeable.close();
+            } catch (IOException ex) {
+                throw new SCARuntimeException("Failed to close stream", ex);
+            }
+        }
+    }
+}