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diff --git a/sandbox/sebastien/java/wrapped/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/util/WrapperInfo.java b/sandbox/sebastien/java/wrapped/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/util/WrapperInfo.java
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+++ b/sandbox/sebastien/java/wrapped/modules/assembly/src/main/java/org/apache/tuscany/sca/interfacedef/util/WrapperInfo.java
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+/*
+ * 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.apache.tuscany.sca.interfacedef.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+
+/**
+ * The "Wrapper Style" WSDL operation is defined by The Java API for XML-Based
+ * Web Services (JAX-WS) 2.0 specification, section 2.3.1.2 Wrapper Style. <p/>
+ * A WSDL operation qualifies for wrapper style mapping only if the following
+ * criteria are met:
+ * <ul>
+ * <li>(i) The operation�s input and output messages (if present) each contain
+ * only a single part
+ * <li>(ii) The input message part refers to a global element declaration whose
+ * localname is equal to the operation name
+ * <li>(iii) The output message part refers to a global element declaration
+ * <li>(iv) The elements referred to by the input and output message parts
+ * (henceforth referred to as wrapper elements) are both complex types defined
+ * using the xsd:sequence compositor
+ * <li>(v) The wrapper elements only contain child elements, they must not
+ * contain other structures such as wildcards (element or attribute),
+ * xsd:choice, substitution groups (element references are not permitted) or
+ * attributes; furthermore, they must not be nillable.
+ * </ul>
+ * 
+ * @version $Rev$ $Date$
+ * @tuscany.spi.extension.asclient
+ */
+public class WrapperInfo implements Cloneable {
+    private ElementInfo inputWrapperElement;
+
+    private ElementInfo outputWrapperElement;
+
+    private List<ElementInfo> inputChildElements;
+
+    private List<ElementInfo> outputChildElements;
+
+    // The data type of the unwrapped input child elements 
+    private DataType<List<DataType>> unwrappedInputType;
+
+    // The data type of the unwrapped output child element (we only supports one child)
+    private DataType<XMLType> unwrappedOutputType;
+
+    // The data for the input/output wrappers
+    private String dataBinding;
+
+    // The data type for the input (request) wrapper bean
+    private DataType<XMLType> inputWrapperType;
+    // The data type for the output (response) wrapper bean
+    private DataType<XMLType> outputWrapperType;
+
+    public WrapperInfo(String dataBinding,
+                       ElementInfo inputWrapperElement,
+                       ElementInfo outputWrapperElement,
+                       List<ElementInfo> inputElements,
+                       List<ElementInfo> outputElements) {
+        super();
+        this.dataBinding = dataBinding;
+        this.inputWrapperElement = inputWrapperElement;
+        this.outputWrapperElement = outputWrapperElement;
+        this.inputChildElements = inputElements;
+        this.outputChildElements = outputElements;
+    }
+
+    /**
+     * @return the inputElements
+     */
+    public List<ElementInfo> getInputChildElements() {
+        return inputChildElements;
+    }
+
+    /**
+     * @return the inputWrapperElement
+     */
+    public ElementInfo getInputWrapperElement() {
+        return inputWrapperElement;
+    }
+
+    /**
+     * @return the outputElements
+     */
+    public List<ElementInfo> getOutputChildElements() {
+        return outputChildElements;
+    }
+
+    /**
+     * @return the outputWrapperElement
+     */
+    public ElementInfo getOutputWrapperElement() {
+        return outputWrapperElement;
+    }
+
+    /**
+     * @return the unwrappedInputType
+     */
+    public DataType<List<DataType>> getUnwrappedInputType() {
+        if (unwrappedInputType == null) {
+            List<DataType> childTypes = new ArrayList<DataType>();
+            for (ElementInfo element : getInputChildElements()) {
+                DataType type = getDataType(element);
+                childTypes.add(type);
+            }
+            unwrappedInputType = new DataTypeImpl<List<DataType>>("idl:unwrapped.input", Object[].class, childTypes);
+        }
+        return unwrappedInputType;
+    }
+
+    private DataType getDataType(ElementInfo element) {
+        DataType type = null;
+        if (element.isMany()) {
+            DataType logical = new DataTypeImpl<XMLType>(dataBinding, Object.class, new XMLType(element));
+            type = new DataTypeImpl<DataType>("java:array", Object[].class, logical);
+        } else {
+            type = new DataTypeImpl<XMLType>(dataBinding, Object.class, new XMLType(element));
+        }
+        return type;
+    }
+
+    /**
+     * @return the unwrappedOutputType
+     */
+    public DataType getUnwrappedOutputType() {
+        if (unwrappedOutputType == null) {
+            List<ElementInfo> elements = getOutputChildElements();
+            if (elements != null && elements.size() > 0) {
+                if (elements.size() > 1) {
+                    // We don't support output with multiple parts
+                    // throw new IllegalArgumentException("Multi-part output is not supported");
+                }
+                ElementInfo element = elements.get(0);
+
+                unwrappedOutputType = getDataType(element);
+            }
+        }
+        return unwrappedOutputType;
+    }
+
+    public Class<?> getInputWrapperClass() {
+        return inputWrapperType == null ? null : inputWrapperType.getPhysical();
+    }
+
+    public Class<?> getOutputWrapperClass() {
+        return outputWrapperType == null ? null : outputWrapperType.getPhysical();
+    }
+
+    public String getDataBinding() {
+        return dataBinding;
+    }
+
+    public void setDataBinding(String dataBinding) {
+        this.dataBinding = dataBinding;
+    }
+
+    public DataType<XMLType> getInputWrapperType() {
+        return inputWrapperType;
+    }
+
+    public void setInputWrapperType(DataType<XMLType> inputWrapperType) {
+        this.inputWrapperType = inputWrapperType;
+    }
+
+    public DataType<XMLType> getOutputWrapperType() {
+        return outputWrapperType;
+    }
+
+    public void setOutputWrapperType(DataType<XMLType> outputWrapperType) {
+        this.outputWrapperType = outputWrapperType;
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+        WrapperInfo copy = (WrapperInfo) super.clone();
+        if (inputWrapperType != null) {
+            copy.inputWrapperType = (DataType<XMLType>)inputWrapperType.clone();
+        }
+        if (outputWrapperType != null) {
+            copy.outputWrapperType = (DataType<XMLType>)outputWrapperType.clone();
+        }
+        return copy;
+
+    }
+}