Merge the Mediator changes from 1.x

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@770781 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 46 insertions, 386 deletions

diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/module/DataBindingModuleActivator.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/module/DataBindingModuleActivator.java
index de861103c4..782a6fc3d3 100644
--- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/module/DataBindingModuleActivator.java
+++ b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/module/DataBindingModuleActivator.java
@@ -6,15 +6,15 @@
  * 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.    
+ * under the License.
  */
 
 package org.apache.tuscany.sca.core.databinding.module;
@@ -22,6 +22,7 @@ package org.apache.tuscany.sca.core.databinding.module;
 import org.apache.tuscany.sca.core.ExtensionPointRegistry;
 import org.apache.tuscany.sca.core.FactoryExtensionPoint;
 import org.apache.tuscany.sca.core.ModuleActivator;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
 import org.apache.tuscany.sca.core.databinding.processor.DataBindingJavaInterfaceProcessor;
 import org.apache.tuscany.sca.core.databinding.processor.WrapperJavaInterfaceProcessor;
 import org.apache.tuscany.sca.core.databinding.transformers.Array2ArrayTransformer;
@@ -31,9 +32,9 @@ import org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransform
 import org.apache.tuscany.sca.core.databinding.transformers.Output2OutputTransformer;
 import org.apache.tuscany.sca.core.databinding.wire.DataBindingRuntimeWireProcessor;
 import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
+import org.apache.tuscany.sca.databinding.Mediator;
 import org.apache.tuscany.sca.databinding.TransformerExtensionPoint;
 import org.apache.tuscany.sca.databinding.impl.Group2GroupTransformer;
-import org.apache.tuscany.sca.databinding.impl.MediatorImpl;
 import org.apache.tuscany.sca.databinding.jaxb.XMLAdapterExtensionPoint;
 import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper;
 import org.apache.tuscany.sca.interfacedef.java.JavaInterfaceFactory;
@@ -55,8 +56,10 @@ public class DataBindingModuleActivator implements ModuleActivator {
         XMLAdapterExtensionPoint xmlAdapterExtensionPoint = registry.getExtensionPoint(XMLAdapterExtensionPoint.class);
         xmlAdapterExtensionPoint.addAdapter(CallableReference.class, CallableReferenceXMLAdapter.class);
         FaultExceptionMapper faultExceptionMapper = new JAXWSFaultExceptionMapper(dataBindings, xmlAdapterExtensionPoint);
-        
-        MediatorImpl mediator = new MediatorImpl(dataBindings, transformers);
+        registry.getExtensionPoint(UtilityExtensionPoint.class).addUtility(faultExceptionMapper);
+
+        Mediator mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class);
+
         Input2InputTransformer input2InputTransformer = new Input2InputTransformer();
         input2InputTransformer.setMediator(mediator);
         transformers.addTransformer(input2InputTransformer, true);
@@ -67,7 +70,7 @@ public class DataBindingModuleActivator implements ModuleActivator {
 
         Exception2ExceptionTransformer exception2ExceptionTransformer = new Exception2ExceptionTransformer(mediator, faultExceptionMapper);
         transformers.addTransformer(exception2ExceptionTransformer, false);
-        
+
         Array2ArrayTransformer array2ArrayTransformer = new Array2ArrayTransformer();
         array2ArrayTransformer.setMediator(mediator);
         transformers.addTransformer(array2ArrayTransformer, true);
@@ -75,14 +78,14 @@ public class DataBindingModuleActivator implements ModuleActivator {
         Group2GroupTransformer group2GroupTransformer = new Group2GroupTransformer();
         group2GroupTransformer.setMediator(mediator);
         transformers.addTransformer(group2GroupTransformer, true);
-        
+
 //        dataBindings.addDataBinding(new CallableReferenceDataBinding());
 //        transformers.addTransformer(new CallableReference2XMLStreamReader(), true);
 //        transformers.addTransformer(new XMLStreamReader2CallableReference(), false);
 
         FactoryExtensionPoint modelFactories = registry.getExtensionPoint(FactoryExtensionPoint.class);
         JavaInterfaceFactory javaFactory = modelFactories.getFactory(JavaInterfaceFactory.class);
-        // Add the WebServiceInterfaceProcessor to mark the interface remotable 
+        // Add the WebServiceInterfaceProcessor to mark the interface remotable
         javaFactory.addInterfaceVisitor(new WebServiceInterfaceProcessor());
         // Introspect the data types
         javaFactory.addInterfaceVisitor(new DataBindingJavaInterfaceProcessor(dataBindings));
@@ -93,7 +96,7 @@ public class DataBindingModuleActivator implements ModuleActivator {
         if (wireProcessorExtensionPoint != null) {
             wireProcessorExtensionPoint.addWireProcessor(new DataBindingRuntimeWireProcessor(mediator, dataBindings, faultExceptionMapper));
         }
-        
+
     }
 
     public void stop(ExtensionPointRegistry registry) {
diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java
index b41c7fb012..a255763fbf 100644
--- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java
+++ b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java
@@ -6,15 +6,15 @@
  * 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.    
+ * under the License.
  */
 
 package org.apache.tuscany.sca.core.databinding.wire;
@@ -37,7 +37,7 @@ import org.apache.tuscany.sca.runtime.RuntimeWireProcessor;
 /**
  * This processor is responsible to add an interceptor to invocation chain if
  * the source and target operations have different databinding requirements
- * 
+ *
  * @version $Rev$ $Date$
  */
 public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor {
@@ -149,14 +149,13 @@ public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor {
                 // Add the interceptor to the source side because multiple
                 // references can be wired to the same service
                 interceptor =
-                    new DataTransformationInterceptor(wire, sourceOperation, targetOperation, mediator,
-                                                      faultExceptionMapper);
+                    new DataTransformationInterceptor(wire, sourceOperation, targetOperation, mediator);
             } else {
                 // assume pass-by-values copies are required if interfaces are remotable and there is no data binding
                 // transformation, i.e. a transformation will result in a copy so another pass-by-value copy is unnecessary
                 if (!isOnMessage(targetOperation) && isRemotable(chain, sourceOperation, targetOperation)) {
                     interceptor =
-                        new PassByValueInterceptor(dataBindings, faultExceptionMapper, chain, targetOperation);
+                        new PassByValueInterceptor(mediator, chain, targetOperation);
                 }
             }
             if (interceptor != null) {
@@ -172,7 +171,7 @@ public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor {
     /**
      * FIXME: TUSCANY-2586, temporary work around till the JIRA is fixed to prevent
      *  the PassByValueInterceptor being used for services when the binding protocol
-     *  doesn't need the copies done. 
+     *  doesn't need the copies done.
      */
     protected boolean isOnMessage(Operation op) {
         return "onMessage".equals(op.getName());
diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java
index 20dcb1b94a..679897b59b 100644
--- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java
+++ b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java
@@ -23,12 +23,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Map;
 
-import javax.xml.namespace.QName;
-
-import org.apache.tuscany.sca.databinding.DataBinding;
 import org.apache.tuscany.sca.databinding.Mediator;
-import org.apache.tuscany.sca.interfacedef.DataType;
-import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper;
 import org.apache.tuscany.sca.interfacedef.Operation;
 import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
 import org.apache.tuscany.sca.interfacedef.util.FaultException;
@@ -53,19 +48,16 @@ public class DataTransformationInterceptor implements Interceptor, DataExchangeS
     private Operation targetOperation;
     private RuntimeWire wire;
     private Mediator mediator;
-    private FaultExceptionMapper faultExceptionMapper;
 
     public DataTransformationInterceptor(RuntimeWire wire,
                                          Operation sourceOperation,
                                          Operation targetOperation,
-                                         Mediator mediator,
-                                         FaultExceptionMapper faultExceptionMapper) {
+                                         Mediator mediator) {
         super();
         this.sourceOperation = sourceOperation;
         this.targetOperation = targetOperation;
         this.mediator = mediator;
         this.wire = wire;
-        this.faultExceptionMapper = faultExceptionMapper;
     }
 
     public Invoker getNext() {
@@ -73,7 +65,9 @@ public class DataTransformationInterceptor implements Interceptor, DataExchangeS
     }
 
     public Message invoke(Message msg) {
-        Object input = transform(msg.getBody(), sourceOperation.getInputType(), targetOperation.getInputType(), false);
+        Map<String, Object> metadata = new HashMap<String, Object>();
+        metadata.put("wire", wire);
+        Object input = mediator.mediateInput(msg.getBody(), sourceOperation, targetOperation, metadata);
         msg.setBody(input);
         Message resultMsg = next.invoke(msg);
         Object result = resultMsg.getBody();
@@ -82,177 +76,28 @@ public class DataTransformationInterceptor implements Interceptor, DataExchangeS
             return resultMsg;
         }
 
-        // FIXME: Should we fix the Operation model so that getOutputType
-        // returns DataType<DataType<T>>?
-        DataType<DataType> targetType =
-            new DataTypeImpl<DataType>(DataBinding.IDL_OUTPUT, Object.class, targetOperation.getOutputType());
-
-        DataType<DataType> sourceType =
-            new DataTypeImpl<DataType>(DataBinding.IDL_OUTPUT, Object.class, sourceOperation.getOutputType());
 
         if (resultMsg.isFault()) {
-
-            // FIXME: We need to figure out what fault type it is and then
-            // transform it
-            // back the source fault type
-            // throw new InvocationRuntimeException((Throwable) result);
-
+            Object transformedFault = null;
             if ((result instanceof Exception) && !(result instanceof RuntimeException)) {
-                // FIXME: How to match fault data to a fault type for the
-                // operation?
-
-                // If the result is from an InvocationTargetException look at
-                // the actual cause.
-                if (result instanceof InvocationTargetException) {
-                    result = ((InvocationTargetException)result).getCause();
-                }
-                DataType targetDataType = null;
-                for (DataType exType : targetOperation.getFaultTypes()) {
-                    if (((Class)exType.getPhysical()).isInstance(result)) {
-                        if (result instanceof FaultException) {
-                            DataType faultType = (DataType)exType.getLogical();
-                            if (((FaultException)result).isMatchingType(faultType.getLogical())) {
-                                targetDataType = exType;
-                                break;
-                            }
-                        } else {
-                            targetDataType = exType;
-                            break;
-                        }
-                    }
-                }
-
-                /*
-                if (targetDataType == null) {
-                    // Not a business exception
-                    return resultMsg;
-                }
-                */
-
-                DataType targetFaultType = getFaultType(targetDataType);
-                if (targetFaultType == null) {
-                    // No matching fault type, it's a system exception
-                    Throwable cause = (Throwable) result;
-                    throw new ServiceRuntimeException(cause);
-                }
-
-                // FIXME: How to match a source fault type to a target fault
-                // type?
-                DataType sourceDataType = null;
-                DataType sourceFaultType = null;
-                for (DataType exType : sourceOperation.getFaultTypes()) {
-                    DataType faultType = getFaultType(exType);
-                    // Match by the QName (XSD element) of the fault type
-                    if (faultType != null && typesMatch(targetFaultType.getLogical(), faultType.getLogical())) {
-                        sourceDataType = exType;
-                        sourceFaultType = faultType;
-                        break;
-                    }
-                }
-
-                if (sourceFaultType == null) {
-                    // No matching fault type, it's a system exception
-                    Throwable cause = (Throwable) result;
-                    throw new ServiceRuntimeException(cause);
-                }
-
-                Object newResult =
-                    transformException(result, targetDataType, sourceDataType, targetFaultType, sourceFaultType);
-                if (newResult != result) {
-                    resultMsg.setFaultBody(newResult);
+                transformedFault = mediator.mediateFault(result, sourceOperation, targetOperation, metadata);
+                if (transformedFault != result) {
+                    resultMsg.setFaultBody(transformedFault);
                 }
             }
-
+            //
+            // Leave it to another layer to actually throw the Exception which constitutes
+            // the message body.  We don't throw it here.
+            //
         } else {
             assert !(result instanceof Throwable) : "Expected messages that are not throwable " + result;
-
-            Object newResult = transform(result, targetType, sourceType, true);
-            if (newResult != result) {
-                resultMsg.setBody(newResult);
-            }
+            Object newResult = mediator.mediateOutput(result, sourceOperation, targetOperation, metadata);
+            resultMsg.setBody(newResult);
         }
 
         return resultMsg;
     }
 
-    private Object transform(Object source, DataType sourceType, DataType targetType, boolean isResponse) {
-        if (sourceType == targetType || (sourceType != null && sourceType.equals(targetType))) {
-            return source;
-        }
-        Map<String, Object> metadata = new HashMap<String, Object>();
-        metadata.put("source.operation", isResponse ? targetOperation : sourceOperation);
-        metadata.put("target.operation", isResponse ? sourceOperation : targetOperation);
-        metadata.put("wire", wire);
-        return mediator.mediate(source, sourceType, targetType, metadata);
-    }
-
-    private DataType getFaultType(DataType exceptionType) {
-        return exceptionType == null ? null : (DataType)exceptionType.getLogical();
-    }
-
-    private boolean typesMatch(Object first, Object second) {
-        if (first.equals(second)) {
-            return true;
-        }
-        if (first instanceof XMLType && second instanceof XMLType) {
-            XMLType t1 = (XMLType)first;
-            XMLType t2 = (XMLType)second;
-            // TUSCANY-2113, we should compare element names only
-            return matches(t1.getElementName(), t2.getElementName());
-        }
-        return false;
-    }
-
-    /**
-     * @param qn1
-     * @param qn2
-     */
-    private boolean matches(QName qn1, QName qn2) {
-        if (qn1 == qn2) {
-            return true;
-        }
-        if (qn1 == null || qn2 == null) {
-            return false;
-        }
-        String ns1 = qn1.getNamespaceURI();
-        String ns2 = qn2.getNamespaceURI();
-        String e1 = qn1.getLocalPart();
-        String e2 = qn2.getLocalPart();
-        if (e1.equals(e2) && (ns1.equals(ns2) || ns1.equals(ns2 + "/") || ns2.equals(ns1 + "/"))) {
-            // Tolerating the trailing / which is required by JAX-WS java package --> xml ns mapping
-            return true;
-        }
-        return false;
-    }
-
-    /**
-     * @param source The source exception
-     * @param sourceExType The data type for the source exception
-     * @param targetExType The data type for the target exception
-     * @param sourceType The fault type for the source
-     * @param targetType The fault type for the target
-     * @return
-     */
-    private Object transformException(Object source,
-                                      DataType sourceExType,
-                                      DataType targetExType,
-                                      DataType sourceType,
-                                      DataType targetType) {
-        if (sourceType == targetType || (sourceType != null && sourceType.equals(targetType))) {
-            return source;
-        }
-        Map<String, Object> metadata = new HashMap<String, Object>();
-        metadata.put("source.operation", targetOperation);
-        metadata.put("target.operation", sourceOperation);
-        metadata.put("wire", wire);
-        DataType<DataType> eSourceDataType =
-            new DataTypeImpl<DataType>("idl:fault", sourceExType.getPhysical(), sourceType);
-        DataType<DataType> eTargetDataType =
-            new DataTypeImpl<DataType>("idl:fault", targetExType.getPhysical(), targetType);
-
-        return mediator.mediate(source, eSourceDataType, eTargetDataType, metadata);
-    }
-
     public void setNext(Invoker next) {
         this.next = next;
     }
diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java
index 1ff8d86f45..a4466bfd1a 100644
--- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java
+++ b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java
@@ -6,40 +6,21 @@
  * 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.    
+ * under the License.
  */
 
 package org.apache.tuscany.sca.core.databinding.wire;
 
-import java.io.Serializable;
-import java.lang.reflect.Array;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-import java.net.URI;
-import java.util.IdentityHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
-
-import javax.xml.namespace.QName;
-
-import org.apache.tuscany.sca.databinding.DataBinding;
-import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
-import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding;
-import org.apache.tuscany.sca.databinding.jaxb.JAXBDataBinding;
-import org.apache.tuscany.sca.interfacedef.DataType;
-import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper;
+import org.apache.tuscany.sca.databinding.Mediator;
 import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
-import org.apache.tuscany.sca.interfacedef.util.XMLType;
 import org.apache.tuscany.sca.invocation.Interceptor;
 import org.apache.tuscany.sca.invocation.InvocationChain;
 import org.apache.tuscany.sca.invocation.Invoker;
@@ -54,13 +35,7 @@ import org.oasisopen.sca.ServiceRuntimeException;
  */
 public class PassByValueInterceptor implements Interceptor {
 
-    private DataBindingExtensionPoint dataBindings;
-    private FaultExceptionMapper faultExceptionMapper;
-
-    private DataBinding[] inputDataBindings;
-    private DataBinding outputDataBinding;
-    private DataBinding javaBeanDataBinding;
-    private DataBinding jaxbDataBinding;
+    private Mediator mediator;
     private Operation operation;
     private Invoker nextInvoker;
     private InvocationChain chain;
@@ -70,36 +45,10 @@ public class PassByValueInterceptor implements Interceptor {
      * @param dataBindings databinding extension point
      * @param operation the intercepted operation
      */
-    public PassByValueInterceptor(DataBindingExtensionPoint dataBindings,
-                                  FaultExceptionMapper faultExceptionMapper,
-                                  InvocationChain chain,
-                                  Operation operation) {
+    public PassByValueInterceptor(Mediator mediator, InvocationChain chain, Operation operation) {
+        this.mediator = mediator;
         this.chain = chain;
         this.operation = operation;
-
-        // Cache data bindings to use
-        this.dataBindings = dataBindings;
-        this.faultExceptionMapper = faultExceptionMapper;
-
-        jaxbDataBinding = dataBindings.getDataBinding(JAXBDataBinding.NAME);
-        javaBeanDataBinding = dataBindings.getDataBinding(JavaBeansDataBinding.NAME);
-
-        // Determine the input databindings
-        if (operation.getInputType() != null) {
-            List<DataType> inputTypes = operation.getInputType().getLogical();
-            inputDataBindings = new DataBinding[inputTypes.size()];
-            int i = 0;
-            for (DataType inputType : inputTypes) {
-                String id = inputType.getDataBinding();
-                inputDataBindings[i++] = dataBindings.getDataBinding(id);
-            }
-        }
-
-        // Determine the output databinding
-        if (operation.getOutputType() != null) {
-            String id = operation.getOutputType().getDataBinding();
-            outputDataBinding = dataBindings.getDataBinding(id);
-        }
     }
 
     public Message invoke(Message msg) {
@@ -107,156 +56,20 @@ public class PassByValueInterceptor implements Interceptor {
             return nextInvoker.invoke(msg);
         }
 
-        msg.setBody(copy((Object[])msg.getBody(), inputDataBindings, operation.getInputType().getLogical()));
+        msg.setBody(mediator.copyInput(msg.getBody(), operation));
 
         Message resultMsg = nextInvoker.invoke(msg);
 
-        if (!msg.isFault() && operation.getOutputType() != null) {
-            resultMsg.setBody(copy(resultMsg.getBody(), outputDataBinding, operation.getOutputType()));
+        if (!resultMsg.isFault() && operation.getOutputType() != null) {
+            resultMsg.setBody(mediator.copyOutput(resultMsg.getBody(), operation));
         }
 
-        if (msg.isFault()) {
-            msg.setFaultBody(copyFault(msg.getBody()));
+        if (resultMsg.isFault()) {
+            resultMsg.setFaultBody(mediator.copyFault(resultMsg.getBody(), operation));
         }
         return resultMsg;
     }
 
-    private Object copyFault(Object fault) {
-        if (faultExceptionMapper == null) {
-            return fault;
-        }
-        for (DataType et : operation.getFaultTypes()) {
-            if (et.getPhysical().isInstance(fault)) {
-                Throwable ex = (Throwable)fault;
-                DataType<DataType> exType =
-                    new DataTypeImpl<DataType>(ex.getClass(), new DataTypeImpl<XMLType>(ex.getClass(), XMLType.UNKNOWN));
-                faultExceptionMapper.introspectFaultDataType(exType, operation, false);
-                DataType faultType = exType.getLogical();
-                Object faultInfo = faultExceptionMapper.getFaultInfo(ex, faultType.getPhysical(), operation);
-                faultInfo = copy(faultInfo, dataBindings.getDataBinding(faultType.getDataBinding()), faultType);
-                fault = faultExceptionMapper.wrapFaultInfo(exType, ex.getMessage(), faultInfo, ex.getCause(), operation);
-                return fault;
-            }
-        }
-        return fault;
-    }
-
-    /**
-     * Copy an array of data objects passed to an operation
-     * @param data array of objects to copy
-     * @return the copy
-     */
-    private Object[] copy(Object[] data, DataBinding[] dataBindings, List<DataType> dataTypes) {
-        if (data == null) {
-            return null;
-        }
-        Object[] copy = new Object[data.length];
-        Map<Object, Object> map = new IdentityHashMap<Object, Object>();
-        for (int i = 0; i < data.length; i++) {
-            Object arg = data[i];
-            if (arg == null) {
-                copy[i] = null;
-            } else {
-                Object copiedArg = map.get(arg);
-                if (copiedArg != null) {
-                    copy[i] = copiedArg;
-                } else {
-                    copiedArg = copy(arg, dataBindings[i], dataTypes.get(i));
-                    map.put(arg, copiedArg);
-                    copy[i] = copiedArg;
-                }
-            }
-        }
-        return copy;
-    }
-
-    /**
-     * Copy data using the specified databinding.
-     * @param data input data
-     * @param dataBinding databinding to use
-     * @param dataType TODO
-     * @return a copy of the data
-     */
-    private Object copy(Object data, DataBinding dataBinding, DataType dataType) {
-        if (data == null) {
-            return null;
-        }
-        Class<?> clazz = data.getClass();
-        if (String.class == clazz || clazz.isPrimitive()
-            || Number.class.isAssignableFrom(clazz)
-            || Boolean.class.isAssignableFrom(clazz)
-            || Character.class.isAssignableFrom(clazz)
-            || Byte.class.isAssignableFrom(clazz)
-            || URI.class == clazz
-            || UUID.class == clazz
-            || QName.class == clazz) {
-            // Immutable classes
-            return data;
-        }
-        // If no databinding was specified, introspect the given arg to
-        // determine its databinding
-        if (dataBinding == null) {
-            dataType = dataBindings.introspectType(data, operation);
-            if (dataType != null) {
-                String db = dataType.getDataBinding();
-                dataBinding = dataBindings.getDataBinding(db);
-                if (dataBinding == null && db != null) {
-                    return data;
-                }
-            }
-            if (dataBinding == null) {
-
-                // Default to the JavaBean databinding
-                dataBinding = javaBeanDataBinding;
-            }
-        }
-
-        // Use the JAXB databinding to copy non-Serializable data
-        if (dataBinding == javaBeanDataBinding) {
-
-            // If the input data is an array containing non Serializable elements
-            // use JAXB
-            clazz = data.getClass();
-            if (clazz.isArray()) {
-                if (Array.getLength(data) != 0) {
-                    Object element = Array.get(data, 0);
-                    if (element != null && !(element instanceof Serializable)) {
-                        dataBinding = jaxbDataBinding;
-                    }
-                }
-            } else {
-
-                // If the input data is not Serializable use JAXB
-                if (!(data instanceof Serializable)) {
-                    dataBinding = jaxbDataBinding;
-                }
-
-                if (data instanceof Cloneable) {
-                    Method clone;
-                    try {
-                        clone = data.getClass().getMethod("clone", (Class[])null);
-                        try {
-                            return clone.invoke(data, (Object[])null);
-                        } catch (InvocationTargetException e) {
-                            if (e.getTargetException() instanceof CloneNotSupportedException) {
-                                // Ignore 
-                            } else {
-                                throw new ServiceRuntimeException(e);
-                            }
-                        } catch (Exception e) {
-                            throw new ServiceRuntimeException(e);
-                        }
-                    } catch (NoSuchMethodException e) {
-                        // Ignore it
-                    }
-                }
-            }
-        }
-
-        Object copy = dataBinding.copy(data, dataType, operation);
-        return copy;
-    }
-
     public Invoker getNext() {
         return nextInvoker;
     }