Move Tuscany from Incubator to top level.

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

16 files changed, 1876 insertions, 0 deletions

diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/DefaultWSDLFactory.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/DefaultWSDLFactory.java
new file mode 100644
index 0000000000..2a5dd07d08
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/DefaultWSDLFactory.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.interfacedef.wsdl;
+
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.interfacedef.wsdl.impl.WSDLFactoryImpl;
+
+/**
+ * A factory for the WSDL model.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultWSDLFactory extends WSDLFactoryImpl implements WSDLFactory {
+
+    public DefaultWSDLFactory(ModelFactoryExtensionPoint modelFactories) {
+        super(modelFactories);
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLDefinition.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLDefinition.java
new file mode 100644
index 0000000000..039e75f437
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLDefinition.java
@@ -0,0 +1,140 @@
+/*
+ * 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.wsdl;
+
+import java.net.URI;
+import java.util.List;
+
+import javax.wsdl.Binding;
+import javax.wsdl.Definition;
+import javax.wsdl.WSDLElement;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaType;
+
+/**
+ * Represents a WSDL definition.
+ * WSDLDefinition
+ *
+ * @version $Rev$ $Date$
+ */
+public interface WSDLDefinition extends Base {
+
+    /**
+     * Returns the WSDL definition model, if there are more than one WSDL definition under the 
+     * same namespace, the definition will be a facade which imports all the physical WSDL 
+     * definitions
+     * 
+     * @return the WSDL definition model
+     */
+    Definition getDefinition();
+
+    /**
+     * Sets the WSDL definition model
+     * @param definition the WSDL definition model
+     */
+    void setDefinition(Definition definition);
+
+    /**
+     * Returns the namespace of this WSDL definition.
+     * @return the namespace of this WSDL definition
+     */
+    String getNamespace();
+
+    /**
+     * Sets the namespace of this WSDL definition.
+     * @param namespace the namespace of this WSDL definition
+     */
+    void setNamespace(String namespace);
+
+    /**
+     * Get a list of inline XML schema definitions
+     * @return A list of inline XML schema definitions
+     */
+    List<XSDefinition> getXmlSchemas();
+
+    /**
+     * Get the location of the WSDL file
+     * @return The location of the WSDL file
+     */
+    URI getLocation();
+
+    /**
+     * Set the location of the WSDL file
+     * @param url
+     */
+    void setLocation(URI url);
+
+    /**
+     * Get the contribution artifact URI of the WSDL document
+     * @return The URI of the WSDL document
+     */
+    URI getURI();
+
+    /**
+     * Set the contribution artifact URI of the WSDL document
+     * @param uri
+     */
+    void setURI(URI uri);
+
+    /**
+     * Get the WSDL definitions imported by this definition
+     * @return A list of imported WSDL definitions
+     */
+    List<WSDLDefinition> getImportedDefinitions();
+
+    /**
+     * Get an XSD element by QName
+     * @param name
+     * @return
+     */
+    XmlSchemaElement getXmlSchemaElement(QName name);
+
+    /**
+     * Get an XSD type by QName
+     * @param name
+     * @return
+     */
+    XmlSchemaType getXmlSchemaType(QName name);
+    
+    /**
+     * Get the WSDL object by type and name
+     * @param <T>
+     * @param type javax.wsdl.Service/PortType/Binding/Message.class
+     * @param name The QName of the object
+     * @return WSDLObject
+     */
+    <T extends WSDLElement> WSDLObject<T> getWSDLObject(Class<T> type, QName name);
+
+    /**
+     * Get the generated binding for a WSDLDefinition
+     * @return the WSDL binding
+     */
+    Binding getBinding();
+
+    /**
+     * Set the generated binding for a WSDLDefinition
+     * @param binding the WSDL binding
+     */
+    void setBinding(Binding binding);
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLFactory.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLFactory.java
new file mode 100644
index 0000000000..95985dcc28
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLFactory.java
@@ -0,0 +1,70 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.tuscany.sca.interfacedef.wsdl;
+
+import javax.wsdl.PortType;
+
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+
+/**
+ * Factory for the WSDL model.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface WSDLFactory {
+
+    /**
+     * Creates a new WSDL interface.
+     * 
+     * @return a new WSDL interface
+     */
+    WSDLInterface createWSDLInterface();
+    
+    /**
+     * Creates a new WSDL interface from a WSDL portType.
+     *
+     * @param portType the portType to inspect
+     * @return a WSDLInterface corresponding to the WSDL portType
+     */
+    WSDLInterface createWSDLInterface(PortType portType, WSDLDefinition wsdlDefinition, ModelResolver resolver) throws InvalidInterfaceException;
+
+    /**
+     * Creates the contents of a WSDL interface from a WSDL portType.
+     *
+     * @param portType the portType to inspect
+     * @return a WSDLInterface corresponding to the WSDL portType
+     */
+    void createWSDLInterface(WSDLInterface wsdlInterface, PortType portType, WSDLDefinition wsdlDefinition, ModelResolver resolver) throws InvalidInterfaceException;
+
+    /**
+     * Creates a new WSDL definition.
+     * 
+     * @return a new WSDL definition
+     */
+    WSDLDefinition createWSDLDefinition();
+    
+    /**
+     * Creates a new WSDL interface contract.
+     * 
+     * @return
+     */
+    WSDLInterfaceContract createWSDLInterfaceContract();
+    
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterface.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterface.java
new file mode 100644
index 0000000000..c0da060af2
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterface.java
@@ -0,0 +1,67 @@
+/*
+ * 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.wsdl;
+
+import javax.wsdl.PortType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.assembly.Base;
+import org.apache.tuscany.sca.interfacedef.Interface;
+
+
+/**
+ * Represents a WSDL interface.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface WSDLInterface extends Interface, Base {
+
+    /**
+     * Returns the name of the WSDL interface.
+     *
+     * @return the name of the WSDL interface
+     */
+    QName getName();
+
+    /**
+     * Sets the name of the WSDL interface.
+     *
+     * @param interfaceName the name of the WSDL interface
+     */
+    void setName(QName interfaceName);
+
+    /**
+     * Returns the WSDL interface portType.
+     *
+     * @return the WSDL interface portType
+     */
+    PortType getPortType();
+
+    /**
+     * Sets the WSDL interface portType
+     *
+     * @param portType the WSDL interface portType
+     */
+    void setPortType(PortType portType);
+
+    WSDLDefinition getWsdlDefinition();
+
+    void setWsdlDefinition(WSDLDefinition wsdlDefinition);
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterfaceContract.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterfaceContract.java
new file mode 100644
index 0000000000..59db17116b
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLInterfaceContract.java
@@ -0,0 +1,43 @@
+/*
+ * 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.wsdl;
+
+import org.apache.tuscany.sca.interfacedef.InterfaceContract;
+
+
+/**
+ * Represents a WSDL interface contract.
+ * 
+ * @version $Rev$ $Date$
+ */
+public interface WSDLInterfaceContract extends InterfaceContract {
+
+    /**
+     * Sets the WSDL location. 
+     * @param location the WSDL location
+     */
+    void setLocation(String location);
+
+    /**
+     * Returns the WSDL location
+     * @return the WSDL location
+     */
+    String getLocation();
+    
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLObject.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLObject.java
new file mode 100644
index 0000000000..9253f58702
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLObject.java
@@ -0,0 +1,53 @@
+/*
+ * 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.wsdl;
+
+import javax.wsdl.Definition;
+import javax.wsdl.WSDLElement;
+
+/**
+ * Model for objects in a WSDL definition
+ * @version $Rev$ $Date$
+ */
+public interface WSDLObject<T extends WSDLElement> {
+    /**
+     * Get the owning definition where the element is declared
+     * @return The owning definition
+     */
+    Definition getDefinition();
+
+    /**
+     * Set the owning definition
+     * @param definition
+     */
+    void setDefinition(Definition definition);
+
+    /**
+     * Get the WSDL element such as Service, PortType, Binding or Message
+     * @return The WSDL element
+     */
+    T getElement();
+
+    /**
+     * Set the WSDL element
+     * @param element
+     */
+    void setElement(T element);
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLOperation.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLOperation.java
new file mode 100644
index 0000000000..d73cccb714
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/WSDLOperation.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.apache.tuscany.sca.interfacedef.wsdl;
+
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * WSDL 1.1 Operation
+ * @version $Rev$ $Date$
+ */
+public interface WSDLOperation extends Operation {
+    /**
+     * Get the underlying WSDL operation
+     * @return
+     */
+    javax.wsdl.Operation getWsdlOperation();
+    
+    /**
+     * Set the underlying WSDL operation
+     * @param operation
+     */
+    void setWsdlOperation(javax.wsdl.Operation operation);
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/InvalidWSDLException.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/InvalidWSDLException.java
new file mode 100644
index 0000000000..1e7b4faa32
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/InvalidWSDLException.java
@@ -0,0 +1,35 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.wsdl.impl;
+
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+
+/**
+ * An exception to indicate the WSDL definition is invalid
+ *
+ * @version $Rev$ $Date$
+ */
+public class InvalidWSDLException extends InvalidInterfaceException {
+    private static final long serialVersionUID = 3742887584293256519L;
+
+    public InvalidWSDLException(String message) {
+        super(message);
+    }
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLDefinitionImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLDefinitionImpl.java
new file mode 100644
index 0000000000..16e9cf43f3
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLDefinitionImpl.java
@@ -0,0 +1,289 @@
+/*
+ * 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.wsdl.impl;
+
+import static org.apache.tuscany.sca.xsd.impl.XSDefinitionImpl.getXmlSchemaObject;
+
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import javax.wsdl.Binding;
+import javax.wsdl.Definition;
+import javax.wsdl.Import;
+import javax.wsdl.Message;
+import javax.wsdl.PortType;
+import javax.wsdl.Service;
+import javax.wsdl.WSDLElement;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.ws.commons.schema.XmlSchema;
+import org.apache.ws.commons.schema.XmlSchemaCollection;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaType;
+
+/**
+ * Represents a WSDL definition.
+ *
+ * @version $Rev$ $Date$
+ */
+public class WSDLDefinitionImpl implements WSDLDefinition {
+
+    private Definition definition;
+    private String namespace;
+    private URI location;
+    private URI uri;
+    private List<WSDLDefinition> imported = new ArrayList<WSDLDefinition>();
+    private List<XSDefinition> schemas = new ArrayList<XSDefinition>();
+    private boolean unresolved;
+    private Binding binding;
+
+    protected WSDLDefinitionImpl() {
+    }
+
+    public Definition getDefinition() {
+        return definition;
+    }
+
+    public void setDefinition(Definition definition) {
+        this.definition = definition;
+    }
+
+    public boolean isUnresolved() {
+        return unresolved;
+    }
+
+    public void setUnresolved(boolean undefined) {
+        this.unresolved = undefined;
+    }
+
+    public String getNamespace() {
+        if (isUnresolved()) {
+            return namespace;
+        } else if (definition != null) {
+            return definition.getTargetNamespace();
+        } else {
+            return namespace;
+        }
+    }
+
+    public void setNamespace(String namespace) {
+        if (!isUnresolved()) {
+            throw new IllegalStateException();
+        } else {
+            this.namespace = namespace;
+        }
+    }
+
+    /*
+    @Override
+    public int hashCode() {
+        return String.valueOf(getNamespace()).hashCode();
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        } else if (obj instanceof WSDLDefinition) {
+            WSDLDefinition def = (WSDLDefinition)obj;
+            if (getNamespace() != null) {
+                return getNamespace().equals(def.getNamespace());
+            } else {
+                return def.getNamespace() == null;
+            }
+        } else {
+            return false;
+        }
+    }
+    */
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getXmlSchemas()
+     */
+    public List<XSDefinition> getXmlSchemas() {
+        return schemas;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getLocation()
+     */
+    public URI getLocation() {
+        return location;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#setLocation(java.net.URI)
+     */
+    public void setLocation(URI url) {
+        this.location = url;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getURI()
+     */
+    public URI getURI() {
+        return uri;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#setURI(java.net.URI)
+     */
+    public void setURI(URI uri) {
+        this.uri = uri;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getImportedDefinitions()
+     */
+    public List<WSDLDefinition> getImportedDefinitions() {
+        return imported;
+    }
+
+    /**
+     * @see java.lang.Object#hashCode()
+     */
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((location == null) ? 0 : location.hashCode());
+        result = prime * result + ((namespace == null) ? 0 : namespace.hashCode());
+        return result;
+    }
+
+    /**
+     * @see java.lang.Object#equals(java.lang.Object)
+     */
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (!(obj instanceof WSDLDefinitionImpl))
+            return false;
+        final WSDLDefinitionImpl other = (WSDLDefinitionImpl)obj;
+        if (location == null) {
+            if (other.location != null)
+                return false;
+        } else if (!location.equals(other.location))
+            return false;
+        if (namespace == null) {
+            if (other.namespace != null)
+                return false;
+        } else if (!namespace.equals(other.namespace))
+            return false;
+        return true;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getXmlSchemaElement(javax.xml.namespace.QName)
+     */
+    public XmlSchemaElement getXmlSchemaElement(QName name) {
+        XmlSchemaCollection schemaCollection = null;
+        for (XSDefinition xsd : schemas) {
+            if (schemaCollection == null && xsd.getSchemaCollection() != null) {
+                schemaCollection = xsd.getSchemaCollection();
+            }
+            XmlSchema schema = xsd.getSchema();
+            XmlSchemaElement element = getXmlSchemaObject(schema, name, XmlSchemaElement.class);
+            if (element != null) {
+                return element;
+            }
+        }
+        if (schemaCollection != null) {
+            return schemaCollection.getElementByQName(name);
+        }
+        return null;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition#getXmlSchemaType(javax.xml.namespace.QName)
+     */
+    public XmlSchemaType getXmlSchemaType(QName name) {
+        XmlSchemaCollection schemaCollection = null;
+        for (XSDefinition xsd : schemas) {
+            if (xsd.getSchemaCollection() != null) {
+                schemaCollection = xsd.getSchemaCollection();
+            }
+            XmlSchema schema = xsd.getSchema();
+            XmlSchemaType type = getXmlSchemaObject(schema, name, XmlSchemaType.class);
+            if (type != null) {
+                return type;
+            }
+        }
+        if (schemaCollection != null) {
+            return schemaCollection.getTypeByQName(name);
+        }
+        return null;
+    }
+
+    @SuppressWarnings("unchecked")
+    private static <T extends WSDLElement> WSDLObject<T> getWSDLObject(Definition definition, Class<T> type, QName name) {
+        if (definition == null) {
+            return null;
+        }
+        Map<QName, WSDLElement> map = null;
+        if (type == PortType.class) {
+            map = definition.getPortTypes();
+        } else if (type == Service.class) {
+            map = definition.getServices();
+        } else if (type == Binding.class) {
+            map = definition.getBindings();
+        } else if (type == Message.class) {
+            map = definition.getMessages();
+        } else {
+            throw new IllegalArgumentException("Invalid type: " + type.getName());
+        }
+        if (map.containsKey(name)) {
+            return (WSDLObject<T>)new WSDLObjectImpl(definition, map.get(name));
+        } else {
+            for (Object imports : definition.getImports().values()) {
+                List<Import> importList = (List<Import>)imports;
+                for (Import i : importList) {
+                    definition = i.getDefinition();
+                    WSDLObject<T> element = getWSDLObject(definition, type, name);
+                    if (element != null) {
+                        return element;
+                    }
+                }
+            }
+        }
+        return null;
+    }
+
+    public <T extends WSDLElement> WSDLObject<T> getWSDLObject(Class<T> type, QName name) {
+        return getWSDLObject(definition, type, name);
+    }
+
+    public Binding getBinding() {
+        return binding;
+    }
+
+    public void setBinding(Binding binding) {
+        this.binding = binding;
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLFactoryImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLFactoryImpl.java
new file mode 100644
index 0000000000..1f2263e1c9
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLFactoryImpl.java
@@ -0,0 +1,75 @@
+/*
+ * 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.wsdl.impl;
+
+import javax.wsdl.PortType;
+
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLFactory;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
+
+/**
+ * A factory for the WSDL model.
+ * 
+ * @version $Rev$ $Date$
+ */
+public abstract class WSDLFactoryImpl implements WSDLFactory {
+    
+    private WSDLInterfaceIntrospectorImpl introspector;
+    
+    public WSDLFactoryImpl(ModelFactoryExtensionPoint modelFactories) {
+        introspector = new WSDLInterfaceIntrospectorImpl(modelFactories);
+    }
+
+    public WSDLInterface createWSDLInterface() {
+        return new WSDLInterfaceImpl();
+    }
+    
+    public WSDLInterface createWSDLInterface(PortType portType,
+                                             WSDLDefinition wsdlDefinition,
+                                             ModelResolver resolver) throws InvalidInterfaceException {
+        WSDLInterface wsdlInterface = createWSDLInterface();
+        introspector.introspectPortType(wsdlInterface, portType, wsdlDefinition, resolver);
+        return wsdlInterface;
+    }
+    
+    public void createWSDLInterface(WSDLInterface wsdlInterface,
+                                    PortType portType,
+                                    WSDLDefinition wsdlDefinition,
+                                    ModelResolver resolver) throws InvalidInterfaceException {
+        introspector.introspectPortType(wsdlInterface, portType, wsdlDefinition, resolver);
+    }
+    
+    public WSDLDefinition createWSDLDefinition() {
+        return new WSDLDefinitionImpl();
+    }
+    
+    public WSDLInterfaceContract createWSDLInterfaceContract() {
+        return new WSDLInterfaceContractImpl();
+    }
+
+    public WSDLInterfaceIntrospectorImpl getWSDLInterfaceIntrospector() {
+        return introspector;
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceContractImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceContractImpl.java
new file mode 100644
index 0000000000..e10bc0d178
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceContractImpl.java
@@ -0,0 +1,47 @@
+/*
+ * 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.wsdl.impl;
+
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceContractImpl;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterfaceContract;
+
+/**
+ * Represents a WSDL interface contract.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WSDLInterfaceContractImpl extends InterfaceContractImpl implements WSDLInterfaceContract {
+    private String location;
+    
+    protected WSDLInterfaceContractImpl() {
+    }
+    
+    public String getLocation() {
+        return location;
+    }
+    
+    public void setLocation(String location) {
+        this.location = location;
+    }
+
+    @Override
+    public WSDLInterfaceContractImpl clone() throws CloneNotSupportedException {
+        return (WSDLInterfaceContractImpl) super.clone();
+    }
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceImpl.java
new file mode 100644
index 0000000000..3719bbd79a
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceImpl.java
@@ -0,0 +1,99 @@
+/*
+ * 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.wsdl.impl;
+
+import javax.wsdl.PortType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.interfacedef.impl.InterfaceImpl;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+
+/**
+ * Represents a WSDL interface.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WSDLInterfaceImpl extends InterfaceImpl implements WSDLInterface {
+
+    private QName name;
+    private PortType portType;
+    private WSDLDefinition wsdlDefinition;
+
+    protected WSDLInterfaceImpl() {
+        setRemotable(true);
+    }
+
+    public QName getName() {
+        if (isUnresolved()) {
+            return name;
+        } else {
+            return portType.getQName();
+        }
+    }
+
+    public void setName(QName interfaceName) {
+        if (!isUnresolved()) {
+            throw new IllegalStateException();
+        }
+        this.name = interfaceName;
+    }
+    
+    public PortType getPortType() {
+        return portType;
+    }
+
+    public void setPortType(PortType portType) {
+        this.portType = portType;
+    }
+
+    @Override
+    public int hashCode() {
+        return String.valueOf(getName()).hashCode();
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        } else if (obj instanceof WSDLInterface) {
+            if (getName() != null) {
+                return getName().equals(((WSDLInterface)obj).getName());
+            } else {
+                return ((WSDLInterface)obj).getName() == null;
+            }
+        } else {
+            return false;
+        }
+    }
+
+    public WSDLDefinition getWsdlDefinition() {
+        return wsdlDefinition;
+    }
+
+    public void setWsdlDefinition(WSDLDefinition wsdlDefinition) {
+        this.wsdlDefinition = wsdlDefinition;
+    }
+
+    @Override
+    public WSDLInterfaceImpl clone() throws CloneNotSupportedException {
+        return (WSDLInterfaceImpl) super.clone();
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceIntrospectorImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceIntrospectorImpl.java
new file mode 100644
index 0000000000..5b0d95ac46
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLInterfaceIntrospectorImpl.java
@@ -0,0 +1,141 @@
+/*
+ * 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.wsdl.impl;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.Vector;
+
+import javax.wsdl.PortType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.contribution.ModelFactoryExtensionPoint;
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.policy.Intent;
+import org.apache.tuscany.sca.policy.PolicyFactory;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+
+/**
+ * Introspector for creating WSDLInterface definitions from WSDL PortTypes.
+ *
+ * @version $Rev$ $Date$
+ */
+public class WSDLInterfaceIntrospectorImpl {
+    private static final QName POLICY_REQUIRES = new QName("http://www.osoa.org/xmlns/sca/1.0", "requires");
+    private static final QName POLICY_CONVERSATIONAL = new QName("http://www.osoa.org/xmlns/sca/1.0", "conversational");
+    public static final QName POLICY_END_CONVERSATION = new QName("http://www.osoa.org/xmlns/sca/1.0", "endsConversation");
+    
+    private XSDFactory xsdFactory;
+    private PolicyFactory policyFactory;
+    
+    public WSDLInterfaceIntrospectorImpl(ModelFactoryExtensionPoint modelFactories) {
+        this.xsdFactory = modelFactories.getFactory(XSDFactory.class);;
+        this.policyFactory = modelFactories.getFactory(PolicyFactory.class);;
+    }
+
+    // FIXME: Do we want to deal with document-literal wrapped style based on the JAX-WS Specification?
+    private List<Operation> introspectOperations(PortType portType, WSDLDefinition wsdlDefinition, ModelResolver resolver) throws InvalidWSDLException {
+        List<Operation> operations = new ArrayList<Operation>();
+        for (Object o : portType.getOperations()) {
+            javax.wsdl.Operation wsdlOp = (javax.wsdl.Operation)o;
+            Operation operation = getOperation(wsdlOp, wsdlDefinition, resolver, xsdFactory);
+            if(isEndConversation(wsdlOp)) {
+                operation.setConversationSequence(ConversationSequence.CONVERSATION_END);
+            }
+            operations.add(operation);
+        }
+        return operations;
+    }
+
+    public void introspectPortType(WSDLInterface wsdlInterface, PortType portType, WSDLDefinition wsdlDefinition, ModelResolver resolver) throws InvalidWSDLException {
+        processIntents(wsdlInterface, portType);
+        wsdlInterface.setPortType(portType);
+        wsdlInterface.getOperations().addAll(introspectOperations(portType, wsdlDefinition, resolver));
+        wsdlInterface.setConversational(isConversational(portType));
+    }
+
+    public static Operation getOperation(javax.wsdl.Operation wsdlOp,
+                                         WSDLDefinition wsdlDefinition,
+                                         ModelResolver resolver,
+                                         XSDFactory xsdFactory) throws InvalidWSDLException {
+        WSDLOperationIntrospectorImpl op = new WSDLOperationIntrospectorImpl(xsdFactory, wsdlOp, wsdlDefinition, null, resolver);
+        return op.getOperation();
+    }
+    
+    private void processIntents(WSDLInterface wsdlInterface, PortType portType) {
+        Object o =  portType.getExtensionAttribute(POLICY_REQUIRES);
+        if(o != null && o instanceof Vector) {
+            Vector<QName> policyAttributes = (Vector<QName>) o;
+            
+            Enumeration<QName> policyItents = policyAttributes.elements();
+            while(policyItents.hasMoreElements()) {
+                QName intentName = policyItents.nextElement();
+                
+                //ignores conversational, as it will have it's own
+                //attribute in the wsdl interface model
+                if(! intentName.equals(POLICY_CONVERSATIONAL)) {
+                    //process the intent
+                    System.out.println(">>> Intent : " + intentName);
+                    
+                    // Add each intent to the list
+                    Intent intent = policyFactory.createIntent();
+                    intent.setName(intentName);
+                    
+                    wsdlInterface.getRequiredIntents().add(intent);
+                }
+            }
+            
+        }
+    }
+    
+    private boolean isConversational(PortType portType) {
+        boolean conversational = false;
+        
+        Object o =  portType.getExtensionAttribute(POLICY_REQUIRES);
+        if(o != null && o instanceof Vector) {
+            Vector<QName> policyAttributes = (Vector<QName>) o;
+            
+            if(policyAttributes.contains(POLICY_CONVERSATIONAL)) {
+                return true;
+            }
+            
+        }
+
+        return conversational;
+    }
+
+    private boolean isEndConversation(javax.wsdl.Operation operation) {
+        boolean endConversation = false;
+        
+        Object o =  operation.getExtensionAttribute(POLICY_END_CONVERSATION);
+        if(o != null && o instanceof String) {
+            endConversation = Boolean.valueOf((String)o);            
+        }
+
+        return endConversation;
+        
+    }
+    
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLObjectImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLObjectImpl.java
new file mode 100644
index 0000000000..b41d79c3ba
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLObjectImpl.java
@@ -0,0 +1,60 @@
+/*
+ * 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.wsdl.impl;
+
+import javax.wsdl.Definition;
+import javax.wsdl.WSDLElement;
+
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLObject;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class WSDLObjectImpl<T extends WSDLElement> implements WSDLObject<T> {
+    private Definition definition;
+    private T element;
+
+    public WSDLObjectImpl() {
+        super();
+    }
+
+    public WSDLObjectImpl(Definition definition, T element) {
+        super();
+        this.definition = definition;
+        this.element = element;
+    }
+
+    public Definition getDefinition() {
+        return definition;
+    }
+
+    public void setDefinition(Definition definition) {
+        this.definition = definition;
+    }
+
+    public T getElement() {
+        return element;
+    }
+
+    public void setElement(T element) {
+        this.element = element;
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationImpl.java
new file mode 100644
index 0000000000..1758b41fda
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationImpl.java
@@ -0,0 +1,80 @@
+/*
+ * 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.wsdl.impl;
+
+import javax.wsdl.Operation;
+
+import org.apache.tuscany.sca.interfacedef.impl.OperationImpl;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class WSDLOperationImpl extends OperationImpl implements WSDLOperation {
+    private Operation operation;
+
+    public WSDLOperationImpl() {
+        super();
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation#getWsdlOperation()
+     */
+    public Operation getWsdlOperation() {
+        return operation;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation#setWsdlOperation(javax.wsdl.Operation)
+     */
+    public void setWsdlOperation(Operation operation) {
+        this.operation = operation;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = super.hashCode();
+        result = prime * result + ((operation == null) ? 0 : operation.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (!super.equals(obj))
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        final WSDLOperationImpl other = (WSDLOperationImpl)obj;
+        if (operation == null) {
+            if (other.operation != null)
+                return false;
+        } else if (!operation.equals(other.operation))
+            return false;
+        return true;
+    }
+
+    public String toString() {
+        return operation == null ? null : operation.toString();
+    }
+
+}
diff --git a/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationIntrospectorImpl.java b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationIntrospectorImpl.java
new file mode 100644
index 0000000000..ab6467bfd7
--- /dev/null
+++ b/branches/sca-java-1.3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/impl/WSDLOperationIntrospectorImpl.java
@@ -0,0 +1,602 @@
+/*
+ * 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.wsdl.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.wsdl.Fault;
+import javax.wsdl.Input;
+import javax.wsdl.Message;
+import javax.wsdl.Output;
+import javax.wsdl.Part;
+import javax.xml.XMLConstants;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
+import org.apache.tuscany.sca.interfacedef.ConversationSequence;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
+import org.apache.tuscany.sca.interfacedef.util.FaultException;
+import org.apache.tuscany.sca.interfacedef.util.TypeInfo;
+import org.apache.tuscany.sca.interfacedef.util.WrapperInfo;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation;
+import org.apache.tuscany.sca.xsd.XSDefinition;
+import org.apache.tuscany.sca.xsd.XSDFactory;
+
+import org.apache.ws.commons.schema.XmlSchemaComplexType;
+import org.apache.ws.commons.schema.XmlSchemaElement;
+import org.apache.ws.commons.schema.XmlSchemaObject;
+import org.apache.ws.commons.schema.XmlSchemaObjectCollection;
+import org.apache.ws.commons.schema.XmlSchemaParticle;
+import org.apache.ws.commons.schema.XmlSchemaSequence;
+import org.apache.ws.commons.schema.XmlSchemaSimpleType;
+import org.apache.ws.commons.schema.XmlSchemaType;
+
+/**
+ * Metadata for a WSDL operation
+ * 
+ * @version $Rev$ $Date$
+ */
+public class WSDLOperationIntrospectorImpl {
+    private static final Logger logger = Logger.getLogger(WSDLOperationIntrospectorImpl.class.getName());
+    private static final QName ANY = new QName(XMLConstants.W3C_XML_SCHEMA_NS_URI, "any");
+
+    private XSDFactory xsdFactory;
+    private ModelResolver resolver;
+    private WSDLDefinition wsdlDefinition;
+    private javax.wsdl.Operation operation;
+    private WSDLOperation operationModel;
+    private DataType<List<DataType>> inputType;
+    private DataType outputType;
+    private List<DataType> faultTypes;
+    private String dataBinding;
+
+    /**
+     * @param wsdlFactory The WSDLFactory to use
+     * @param operation The WSDL4J operation
+     * @param wsdlDefinition The WSDL Definition
+     * @param dataBinding The default databinding
+     * @param resolver The ModelResolver to use
+     */
+    public WSDLOperationIntrospectorImpl(XSDFactory xsdFactory,
+                                         javax.wsdl.Operation operation,
+                                         WSDLDefinition wsdlDefinition,
+                                         String dataBinding,
+                                         ModelResolver resolver) {
+        super();
+        this.xsdFactory = xsdFactory;
+        this.operation = operation;
+        this.wsdlDefinition = wsdlDefinition;
+        this.resolver = resolver;
+        this.dataBinding = dataBinding;
+        this.wrapper = new Wrapper();
+    }
+
+    private Wrapper wrapper;
+
+    private Boolean wrapperStyle;
+
+    /**
+     * Test if the operation qualifies wrapper style as defined by the JAX-WS
+     * 2.0 Specification
+     * 
+     * @return true if the operation qualifies wrapper style, otherwise false
+     */
+    public boolean isWrapperStyle() throws InvalidWSDLException {
+        if (wrapperStyle == null) {
+            wrapperStyle =
+                (operation.getInput() == null || operation.getInput().getMessage() == null
+                    || operation.getInput().getMessage().getParts().size() == 0 || wrapper.getInputChildElements() != null) && (operation
+                    .getOutput() == null || operation.getOutput().getMessage() == null
+                    || operation.getOutput().getMessage().getParts().size() == 0 || wrapper.getOutputChildElements() != null);
+        }
+        return wrapperStyle;
+    }
+
+    public Wrapper getWrapper() throws InvalidWSDLException {
+        if (!isWrapperStyle()) {
+            throw new IllegalStateException("The operation is not wrapper style.");
+        } else {
+            return wrapper;
+        }
+    }
+
+    /**
+     * @return
+     * @throws InvalidServiceContractException
+     */
+    public DataType<List<DataType>> getInputType() throws InvalidWSDLException {
+        if (inputType == null) {
+            Input input = operation.getInput();
+            Message message = (input == null) ? null : input.getMessage();
+            inputType = getMessageType(message);
+            inputType.setDataBinding("idl:input");
+        }
+        return inputType;
+    }
+
+    /**
+     * @return
+     * @throws NotSupportedWSDLException
+     */
+    @SuppressWarnings("unchecked")
+    public DataType<XMLType> getOutputType() throws InvalidWSDLException {
+        if (outputType == null) {
+            Output output = operation.getOutput();
+            Message outputMsg = (output == null) ? null : output.getMessage();
+
+            List outputParts = (outputMsg == null) ? null : outputMsg.getOrderedParts(null);
+            if (outputParts != null && outputParts.size() > 0) {
+                if (outputParts.size() > 1) {
+                    // We don't support output with multiple parts
+                    if (logger.isLoggable(Level.WARNING)) {
+                        logger.warning("Multi-part output is not supported, please use BARE parameter style.");
+                    }
+                    // throw new InvalidWSDLException("Multi-part output is not supported");
+                }
+                Part part = (Part)outputParts.get(0);
+                outputType = new WSDLPart(part, Object.class).getDataType();
+                // outputType.setMetadata(WSDLOperation.class.getName(), this);
+            }
+        }
+        return outputType;
+    }
+
+    /**
+     * @return
+     * @throws NotSupportedWSDLException
+     */
+    public List<DataType> getFaultTypes() throws InvalidWSDLException {
+        if (faultTypes == null) {
+            Collection faults = operation.getFaults().values();
+            faultTypes = new ArrayList<DataType>();
+            for (Object f : faults) {
+                Fault fault = (Fault)f;
+                Message faultMsg = fault.getMessage();
+                List faultParts = faultMsg.getOrderedParts(null);
+                if (faultParts.size() != 1) {
+                    throw new InvalidWSDLException("The fault message MUST have a single part");
+                }
+                Part part = (Part)faultParts.get(0);
+                WSDLPart wsdlPart = new WSDLPart(part, Object.class);
+                faultTypes.add(new DataTypeImpl<DataType>(FaultException.class, wsdlPart.getDataType()));
+            }
+        }
+        return faultTypes;
+    }
+
+    private DataType<List<DataType>> getMessageType(Message message) throws InvalidWSDLException {
+        List<DataType> partTypes = new ArrayList<DataType>();
+        if (message != null) {
+            Collection parts = message.getOrderedParts(null);
+            for (Object p : parts) {
+                WSDLPart part = new WSDLPart((Part)p, Object.class);
+                DataType<XMLType> partType = part.getDataType();
+                partTypes.add(partType);
+            }
+        }
+        return new DataTypeImpl<List<DataType>>(dataBinding, Object[].class, partTypes);
+    }
+
+    /**
+     * @return
+     * @throws NotSupportedWSDLException
+     */
+    public Operation getOperation() throws InvalidWSDLException {
+        if (operationModel == null) {
+            boolean oneway = (operation.getOutput() == null);
+            operationModel = new WSDLOperationImpl();
+            operationModel.setWsdlOperation(operation);
+            operationModel.setName(operation.getName());
+            operationModel.setFaultTypes(getFaultTypes());
+            operationModel.setNonBlocking(oneway);
+            operationModel.setConversationSequence(ConversationSequence.CONVERSATION_NONE);
+            operationModel.setInputType(getInputType());
+            operationModel.setOutputType(getOutputType());
+
+            operationModel.setWrapperStyle(isWrapperStyle());
+            if (isWrapperStyle()) {
+                WrapperInfo wrapperInfo = getWrapper().getWrapperInfo();
+                operationModel.setWrapper(wrapperInfo);
+            }
+        }
+        return operationModel;
+    }
+
+    private XmlSchemaElement getElement(QName elementName) {
+
+        XmlSchemaElement element = wsdlDefinition.getXmlSchemaElement(elementName);
+        if (element == null) {
+            XSDefinition definition = xsdFactory.createXSDefinition();
+            definition.setUnresolved(true);
+            definition.setNamespace(elementName.getNamespaceURI());
+            definition = resolver.resolveModel(XSDefinition.class, definition);
+            if (definition.getSchema() != null) {
+                element = definition.getSchema().getElementByName(elementName);
+            }
+        }
+        return element;
+    }
+
+    private XmlSchemaType getType(QName typeName) {
+        XmlSchemaType type = wsdlDefinition.getXmlSchemaType(typeName);
+        if (type == null) {
+            XSDefinition definition = xsdFactory.createXSDefinition();
+            definition.setUnresolved(true);
+            definition.setNamespace(typeName.getNamespaceURI());
+            definition = resolver.resolveModel(XSDefinition.class, definition);
+            if (definition.getSchema() != null) {
+                type = definition.getSchema().getTypeByName(typeName);
+            }
+        }
+        return type;
+    }
+
+    /**
+     * Metadata for a WSDL part
+     */
+    public class WSDLPart {
+        private Part part;
+
+        private XmlSchemaElement element;
+
+        private DataType dataType;
+
+        public WSDLPart(Part part, Class javaType) throws InvalidWSDLException {
+            this.part = part;
+            QName elementName = part.getElementName();
+            if (elementName != null) {
+                element = WSDLOperationIntrospectorImpl.this.getElement(elementName);
+                if (element == null) {
+                    throw new InvalidWSDLException("Element cannot be resolved: " + elementName.toString());
+                }
+            } else {
+                // Create an faked XSD element to host the metadata
+                element = new XmlSchemaElement();
+                element.setName(part.getName());
+                element.setQName(new QName(null, part.getName()));
+                QName typeName = part.getTypeName();
+                if (typeName != null) {
+                    XmlSchemaType type = WSDLOperationIntrospectorImpl.this.getType(typeName);
+                    if (type == null) {
+                        throw new InvalidWSDLException("Type cannot be resolved: " + typeName.toString());
+                    }
+                    element.setSchemaType(type);
+                    element.setSchemaTypeName(type.getQName());
+                }
+            }
+            XMLType xmlType = new XMLType(getElementInfo(element));
+            xmlType.setNillable(element.isNillable());
+            xmlType.setMany(element.getMaxOccurs() > 1);
+            dataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType);
+        }
+
+        /**
+         * @return the element
+         */
+        public XmlSchemaElement getElement() {
+            return element;
+        }
+
+        /**
+         * @return the part
+         */
+        public Part getPart() {
+            return part;
+        }
+
+        /**
+         * @return the dataType
+         */
+        public DataType<XMLType> getDataType() {
+            return dataType;
+        }
+    }
+
+    /**
+     * 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>
+     */
+    public class Wrapper {
+        private XmlSchemaElement inputWrapperElement;
+
+        private XmlSchemaElement outputWrapperElement;
+
+        private List<XmlSchemaElement> inputElements;
+
+        private List<XmlSchemaElement> outputElements;
+
+        //        private DataType<List<DataType<XMLType>>> unwrappedInputType;
+        //
+        //        private DataType<XMLType> unwrappedOutputType;
+
+        private transient WrapperInfo wrapperInfo;
+
+        private List<XmlSchemaElement> getChildElements(XmlSchemaElement element) throws InvalidWSDLException {
+            if (element == null) {
+                return null;
+            }
+            if (element.isNillable()) {
+                // Wrapper element cannot be nillable
+                return null;
+            }
+            XmlSchemaType type = element.getSchemaType();
+            if (type == null) {
+                String qName = element.getQName().toString();
+                throw new InvalidWSDLException("The XML schema element does not have a type: " + qName);
+            }
+            if (!(type instanceof XmlSchemaComplexType)) {
+                // Has to be a complexType
+                return null;
+            }
+            XmlSchemaComplexType complexType = (XmlSchemaComplexType)type;
+            if (complexType.getAttributes().getCount() != 0 || complexType.getAnyAttribute() != null) {
+                // No attributes
+                return null;
+            }
+            XmlSchemaParticle particle = complexType.getParticle();
+            if (particle == null) {
+                // No particle
+                return Collections.emptyList();
+            }
+            if (!(particle instanceof XmlSchemaSequence)) {
+                return null;
+            }
+            XmlSchemaSequence sequence = (XmlSchemaSequence)complexType.getParticle();
+            XmlSchemaObjectCollection items = sequence.getItems();
+            List<XmlSchemaElement> childElements = new ArrayList<XmlSchemaElement>();
+            for (int i = 0; i < items.getCount(); i++) {
+                XmlSchemaObject schemaObject = items.getItem(i);
+                if (!(schemaObject instanceof XmlSchemaElement)) {
+                    // Should contain elements only
+                    return null;
+                }
+                XmlSchemaElement childElement = (XmlSchemaElement)schemaObject;
+                /*
+                if (childElement.getSubstitutionGroup() != null) {
+                    return null;
+                }
+                */
+                if (childElement.getName() == null || childElement.getRefName() != null) {
+                    XmlSchemaElement ref = getElement(childElement.getRefName());
+                    if (ref == null) {
+                        throw new InvalidWSDLException("XML schema element ref cannot be resolved: " + childElement);
+                    }
+                    childElement = ref;
+                }
+                if (ANY.equals(childElement.getQName())) {
+                    // Wildcard is not allowed
+                    return null;
+                }
+                // TODO: Do we support maxOccurs >1 ?
+                if (childElement.getMaxOccurs() > 1) {
+                    // TODO: [rfeng] To be implemented
+                    /*
+                    if(logger.isLoggable(Level.WARNING)) {
+                    	logger.warning("Support for elements with maxOccurs>1 is not implemented.");
+                    }
+                    */
+                    // return null;
+                }
+                childElements.add(childElement);
+            }
+            return childElements;
+        }
+
+        /**
+         * Return a list of child XSD elements under the wrapped request element
+         * 
+         * @return a list of child XSD elements or null if if the request
+         *         element is not wrapped
+         */
+        public List<XmlSchemaElement> getInputChildElements() throws InvalidWSDLException {
+            if (inputElements != null) {
+                return inputElements;
+            }
+            Input input = operation.getInput();
+            if (input != null) {
+                Message inputMsg = input.getMessage();
+                Collection parts = inputMsg.getParts().values();
+                if (parts.size() != 1) {
+                    return null;
+                }
+                Part part = (Part)parts.iterator().next();
+                QName elementName = part.getElementName();
+                if (elementName == null) {
+                    return null;
+                }
+                if (!operation.getName().equals(elementName.getLocalPart())) {
+                    return null;
+                }
+                inputWrapperElement = getElement(elementName);
+                if (inputWrapperElement == null) {
+                    throw new InvalidWSDLException("The element is not declared in a XML schema: " + elementName
+                        .toString());
+                }
+                if (inputWrapperElement.isNillable()) {
+                    // The wrapper element cannot be nilable
+                    return null;
+                }
+                inputElements = getChildElements(inputWrapperElement);
+                return inputElements;
+            } else {
+                return null;
+            }
+        }
+
+        /**
+         * Return a list of child XSD elements under the wrapped response
+         * element
+         * 
+         * @return a list of child XSD elements or null if if the response
+         *         element is not wrapped
+         */
+        public List<XmlSchemaElement> getOutputChildElements() throws InvalidWSDLException {
+            if (outputElements != null) {
+                return outputElements;
+            }
+            Output output = operation.getOutput();
+            if (output != null) {
+                Message outputMsg = output.getMessage();
+                Collection parts = outputMsg.getParts().values();
+                if (parts.size() != 1) {
+                    return null;
+                }
+                Part part = (Part)parts.iterator().next();
+                QName elementName = part.getElementName();
+                if (elementName == null) {
+                    throw new InvalidWSDLException("The element is not declared in the XML schema: " + part.getName());
+                }
+                outputWrapperElement = WSDLOperationIntrospectorImpl.this.getElement(elementName);
+                if (outputWrapperElement == null) {
+                    return null;
+                }
+                if (outputWrapperElement.isNillable()) {
+                    // The wrapper element cannot be nilable
+                    return null;
+                }
+                outputElements = getChildElements(outputWrapperElement);
+                // FIXME: Do we support multiple child elements for the response?
+                return outputElements;
+            } else {
+                return null;
+            }
+        }
+
+        /**
+         * @return the inputWrapperElement
+         */
+        public XmlSchemaElement getInputWrapperElement() {
+            return inputWrapperElement;
+        }
+
+        /**
+         * @return the outputWrapperElement
+         */
+        public XmlSchemaElement getOutputWrapperElement() {
+            return outputWrapperElement;
+        }
+
+        /*
+        public DataType<List<DataType<XMLType>>> getUnwrappedInputType() throws InvalidWSDLException {
+            if (unwrappedInputType == null) {
+                List<DataType<XMLType>> childTypes = new ArrayList<DataType<XMLType>>();
+                for (XmlSchemaElement element : getInputChildElements()) {
+                    DataType<XMLType> type =
+                        new DataType<XMLType>(dataBinding, Object.class, new XMLType(getElementInfo(element)));
+                    // type.setMetadata(ElementInfo.class.getName(), getElementInfo(element));
+                    childTypes.add(type);
+                }
+                unwrappedInputType =
+                    new DataType<List<DataType<XMLType>>>("idl:unwrapped.input", Object[].class, childTypes);
+            }
+            return unwrappedInputType;
+        }
+
+        public DataType<XMLType> getUnwrappedOutputType() throws InvalidServiceContractException {
+            if (unwrappedOutputType == null) {
+                List<XmlSchemaElement> elements = getOutputChildElements();
+                if (elements != null && elements.size() > 0) {
+                    if (elements.size() > 1) {
+                        // We don't support output with multiple parts
+                        throw new NotSupportedWSDLException("Multi-part output is not supported");
+                    }
+                    XmlSchemaElement element = elements.get(0);
+                    unwrappedOutputType =
+                        new DataType<XMLType>(dataBinding, Object.class, new XMLType(getElementInfo(element)));
+                    // unwrappedOutputType.setMetadata(ElementInfo.class.getName(), getElementInfo(element));
+                }
+            }
+            return unwrappedOutputType;
+        }
+        */
+
+        public WrapperInfo getWrapperInfo() throws InvalidWSDLException {
+            if (wrapperInfo == null) {
+                ElementInfo in = getElementInfo(getInputWrapperElement());
+                ElementInfo out = getElementInfo(getOutputWrapperElement());
+                List<ElementInfo> inChildren = new ArrayList<ElementInfo>();
+                if (in != null) {
+                    for (XmlSchemaElement e : getInputChildElements()) {
+                        inChildren.add(getElementInfo(e));
+                    }
+                }
+                List<ElementInfo> outChildren = new ArrayList<ElementInfo>();
+                if (out != null) {
+                    for (XmlSchemaElement e : getOutputChildElements()) {
+                        outChildren.add(getElementInfo(e));
+                    }
+                }
+                wrapperInfo = new WrapperInfo(dataBinding, in, out, inChildren, outChildren);
+            }
+            return wrapperInfo;
+        }
+    }
+
+    private static ElementInfo getElementInfo(XmlSchemaElement element) {
+        if (element == null) {
+            return null;
+        }
+        ElementInfo elementInfo = new ElementInfo(element.getQName(), getTypeInfo(element.getSchemaType()));
+        elementInfo.setMany(element.getMaxOccurs() > 1);
+        elementInfo.setNillable(element.isNillable());
+        return elementInfo;
+    }
+
+    private static TypeInfo getTypeInfo(XmlSchemaType type) {
+        if (type == null) {
+            return null;
+        }
+        XmlSchemaType baseType = (XmlSchemaType)type.getBaseSchemaType();
+        QName name = type.getQName();
+        boolean simple = (type instanceof XmlSchemaSimpleType);
+        if (baseType == null) {
+            return new TypeInfo(name, simple, null);
+        } else {
+            return new TypeInfo(name, simple, getTypeInfo(baseType));
+        }
+    }
+
+}