Port databinding-sdo-axiom into 2.x based on the patch from Ramanjaneyulu Malisetti (https://issues.apache.org/jira/browse/TUSCANY-3470)

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@928835 13f79535-47bb-0310-9956-ffa450edef68

10 files changed, 795 insertions, 0 deletions

diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/AxiomHelper.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/AxiomHelper.java
new file mode 100644
index 0000000000..02f43000b4
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/AxiomHelper.java
@@ -0,0 +1,142 @@
+/*
+ * 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.databinding.sdo2om;
+
+import javax.xml.namespace.QName;
+
+import org.apache.axiom.om.OMAbstractFactory;
+import org.apache.axiom.om.OMDataSource;
+import org.apache.axiom.om.OMElement;
+import org.apache.axiom.om.OMFactory;
+import org.apache.axiom.om.OMNamespace;
+import org.apache.axiom.om.OMXMLParserWrapper;
+import org.apache.axiom.om.impl.builder.StAXBuilder;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+/**
+ * Helper for AXIOM
+ * 
+ * @version $Rev$ $Date$
+ */
+public class AxiomHelper {
+    private static final String DEFAULT_PREFIX = "_ns_";
+
+    private AxiomHelper() {
+    }
+
+    /**
+     * See http://issues.apache.org/jira/browse/WSCOMMONS-240
+     * @param om
+     */
+    public static void completeAndClose(OMElement om) {
+        // Get the builder associated with the om element
+        OMXMLParserWrapper builder = om.getBuilder();
+        if (builder != null) {
+            if (builder instanceof StAXBuilder) {
+                ((StAXBuilder)builder).releaseParserOnClose(true);
+            }
+            OMElement document = builder.getDocumentElement();
+            if (document != null) {
+                document.build();
+            }
+        }
+        if (builder instanceof StAXBuilder) {
+            ((StAXBuilder)builder).close();
+        }
+    }
+
+    /**
+     * This method will close the builder immediately.  Any subsequent Axiom objects won't 
+     * be built or accessible.
+     */
+    public static void closeImmediately(OMElement om) {
+        // Get the builder associated with the om element
+        OMXMLParserWrapper builder = om.getBuilder();
+        if (builder != null) {
+            if (builder instanceof StAXBuilder) {
+                ((StAXBuilder)builder).releaseParserOnClose(true);
+                ((StAXBuilder)builder).close();
+            }
+            // builder.close();
+        }
+    }
+
+    /**
+     * @param context
+     * @param element
+     */
+    public static void adjustElementName(TransformationContext context, OMElement element) {
+        if (context != null) {
+            DataType dataType = context.getTargetDataType();
+            Object logical = dataType == null ? null : dataType.getLogical();
+            if (!(logical instanceof XMLType)) {
+                return;
+            }
+            XMLType xmlType = (XMLType)logical;
+            if (xmlType.isElement() && !xmlType.getElementName().equals(element.getQName())) {
+                // FIXME:: Throw exception or switch to the new Element?
+                OMFactory factory = OMAbstractFactory.getOMFactory();
+                QName name = xmlType.getElementName();
+                OMNamespace namespace = factory.createOMNamespace(name.getNamespaceURI(), name.getPrefix());
+                element.setNamespace(namespace);
+                element.setLocalName(name.getLocalPart());
+            }
+        }
+    }
+
+    public static OMElement createOMElement(OMFactory factory, QName element) {
+        String localName = element.getLocalPart();
+        OMNamespace ns = createOMNamespace(factory, element);
+
+        return factory.createOMElement(localName, ns);
+
+    }
+
+    public static OMElement createOMElement(OMFactory factory, QName element, OMDataSource dataSource) {
+        String localName = element.getLocalPart();
+        OMNamespace ns = createOMNamespace(factory, element);
+
+        return factory.createOMElement(dataSource, localName, ns);
+
+    }
+
+    /**
+     * @param factory
+     * @param name
+     * @return
+     */
+    public static OMNamespace createOMNamespace(OMFactory factory, QName name) {
+        String namespaceURI = name.getNamespaceURI();
+        String prefix = name.getPrefix();
+
+        OMNamespace ns = null;
+        if (namespaceURI.length() != 0) {
+            // Qualified Element: we need an OMNamespace         
+            if (prefix.length() == 0) {
+                // The prefix does not appear to be specified, let's create one
+                prefix = DEFAULT_PREFIX;
+            }
+            ns = factory.createOMNamespace(namespaceURI, prefix);
+        }
+        return ns;
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElement.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElement.java
new file mode 100644
index 0000000000..d306290245
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElement.java
@@ -0,0 +1,86 @@
+/*
+ * 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.databinding.sdo2om;
+
+import static org.apache.tuscany.sca.databinding.sdo.SDODataBinding.ROOT_ELEMENT;
+
+import javax.xml.namespace.QName;
+
+import org.apache.axiom.om.OMAbstractFactory;
+import org.apache.axiom.om.OMElement;
+import org.apache.axiom.om.OMFactory;
+import org.apache.tuscany.sca.databinding.BaseTransformer;
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.sdo.SDOContextHelper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.XMLDocument;
+
+/**
+ * SDO DataObject --> AXIOM OMElement transformer
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DataObject2OMElement extends BaseTransformer<DataObject, OMElement> implements
+    PullTransformer<DataObject, OMElement> {
+
+    public OMElement transform(DataObject source, TransformationContext context) {
+        HelperContext helperContext = SDOContextHelper.getHelperContext(context, true);
+        OMFactory factory = OMAbstractFactory.getOMFactory();
+
+        QName name  = ROOT_ELEMENT;
+        if (context != null) {
+            DataType dataType = context.getTargetDataType();
+            Object logical = dataType == null ? null : dataType.getLogical();
+            if (logical instanceof XMLType) {
+                XMLType xmlType = (XMLType)logical;
+                if (xmlType.isElement()) {
+                    name = xmlType.getElementName();
+                }
+            }
+        }
+
+        XMLDocument document = helperContext.getXMLHelper().createDocument(source,
+                                                                           name.getNamespaceURI(),
+                                                                           name.getLocalPart());
+        SDODataSource dataSource = new SDODataSource(document, helperContext);
+        OMElement element = AxiomHelper.createOMElement(factory, name, dataSource);
+        return element;
+    }
+
+    @Override
+    protected Class<DataObject> getSourceType() {
+        return DataObject.class;
+    }
+
+    @Override
+    protected Class<OMElement> getTargetType() {
+        return OMElement.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/SDODataSource.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/SDODataSource.java
new file mode 100644
index 0000000000..dc3c2610a4
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/SDODataSource.java
@@ -0,0 +1,89 @@
+/*
+ * 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.databinding.sdo2om;
+
+import static org.apache.tuscany.sca.databinding.sdo.SDODataBinding.ROOT_ELEMENT;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.axiom.om.OMDataSource;
+import org.apache.axiom.om.OMOutputFormat;
+import org.apache.axiom.om.impl.serialize.StreamingOMSerializer;
+import org.apache.tuscany.sdo.api.SDOUtil;
+import org.apache.tuscany.sdo.api.XMLStreamHelper;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.XMLDocument;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class SDODataSource implements OMDataSource {
+    private HelperContext helperContext;
+    private XMLDocument sourceDocument;
+
+    public SDODataSource(XMLDocument source, HelperContext helperContext) {
+        this.sourceDocument = source;
+        this.helperContext = helperContext;
+    }
+
+    public SDODataSource(DataObject obj, HelperContext helperContext) {
+        this.helperContext = helperContext;
+        this.sourceDocument =
+            helperContext.getXMLHelper().createDocument(obj,
+                                                        ROOT_ELEMENT.getNamespaceURI(),
+                                                        ROOT_ELEMENT.getLocalPart());
+    }
+
+    public XMLStreamReader getReader() throws XMLStreamException {
+        XMLStreamHelper streamHelper = SDOUtil.createXMLStreamHelper(helperContext);
+        return streamHelper.createXMLStreamReader(sourceDocument);
+    }
+
+    public void serialize(XMLStreamWriter xmlWriter) throws XMLStreamException {
+        StreamingOMSerializer serializer = new StreamingOMSerializer();
+        serializer.serialize(getReader(), xmlWriter);
+    }
+
+    public void serialize(OutputStream output, OMOutputFormat format) throws XMLStreamException {
+        try {
+            helperContext.getXMLHelper().save(sourceDocument, output, null);
+        } catch (Exception e) {
+            throw new XMLStreamException(e);
+        }
+    }
+
+    public void serialize(Writer writer, OMOutputFormat format) throws XMLStreamException {
+        try {
+            helperContext.getXMLHelper().save(sourceDocument, writer, null);
+        } catch (IOException e) {
+            throw new XMLStreamException(e);
+        }
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElement.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElement.java
new file mode 100644
index 0000000000..3a2391b41a
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElement.java
@@ -0,0 +1,65 @@
+/*
+ * 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.databinding.sdo2om;
+
+import javax.xml.namespace.QName;
+
+import org.apache.axiom.om.OMAbstractFactory;
+import org.apache.axiom.om.OMElement;
+import org.apache.axiom.om.OMFactory;
+import org.apache.tuscany.sca.databinding.BaseTransformer;
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.sdo.SDOContextHelper;
+
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.helper.XMLDocument;
+
+/**
+ * SDO XMLDocument --> AXIOM OMElement transformer
+ * @version $Rev$ $Date$
+ */
+public class XMLDocument2OMElement extends BaseTransformer<XMLDocument, OMElement> implements
+    PullTransformer<XMLDocument, OMElement> {
+
+    public OMElement transform(XMLDocument source, TransformationContext context) {
+        HelperContext helperContext = SDOContextHelper.getHelperContext(context, true);
+        SDODataSource dataSource = new SDODataSource(source, helperContext);
+        OMFactory factory = OMAbstractFactory.getOMFactory();
+        QName name = new QName(source.getRootElementURI(), source.getRootElementName());
+        OMElement element = AxiomHelper.createOMElement(factory, name, dataSource);
+        return element;
+    }
+
+    @Override
+    protected Class<XMLDocument> getSourceType() {
+        return XMLDocument.class;
+    }
+
+    @Override
+    protected Class<OMElement> getTargetType() {
+        return OMElement.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer
new file mode 100644
index 0000000000..c870ec2406
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer
@@ -0,0 +1,20 @@
+# 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.
+
+# Implementation classes for the transformers
+org.apache.tuscany.sca.databinding.sdo2om.DataObject2OMElement;source=commonj.sdo.DataObject,target=org.apache.axiom.om.OMElement,weight=3000
+org.apache.tuscany.sca.databinding.sdo2om.XMLDocument2OMElement;source=commonj.sdo.helper.XMLDocument,target=org.apache.axiom.om.OMElement,weight=3000
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElementTestCase.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElementTestCase.java
new file mode 100644
index 0000000000..57dd056526
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/DataObject2OMElementTestCase.java
@@ -0,0 +1,78 @@
+/*
+ * 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.databinding.sdo2om;
+
+import java.io.StringWriter;
+
+import javax.xml.stream.XMLStreamException;
+
+import junit.framework.Assert;
+
+import org.apache.axiom.om.OMAbstractFactory;
+import org.apache.axiom.om.OMElement;
+import org.apache.axiom.om.OMNamespace;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+import commonj.sdo.DataObject;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class DataObject2OMElementTestCase extends SDOTransformerTestCaseBase {
+
+    @Override
+    protected DataType<?> getSourceDataType() {
+        return new DataTypeImpl<XMLType>(DataObject.class.getName(), DataObject.class, new XMLType(ORDER_QNAME, null));
+    }
+
+    @Override
+    protected DataType<?> getTargetDataType() {
+        return new DataTypeImpl<XMLType>(OMElement.class.getName(), OMElement.class, new XMLType(ORDER_QNAME, null));
+    }
+
+    public final void testTransform() throws XMLStreamException {
+        OMElement element = new DataObject2OMElement().transform(dataObject, context);
+        Assert.assertEquals(ORDER_QNAME.getNamespaceURI(), element.getNamespace().getNamespaceURI());
+        Assert.assertEquals(ORDER_QNAME.getLocalPart(), element.getLocalName());
+        // TODO: See https://issues.apache.org/jira/browse/WSCOMMONS-226
+        // element.getBuilder().setCache(false);
+        StringWriter writer = new StringWriter();
+        element.serialize(writer);
+    }
+
+    public final void testTransformWrapper() throws XMLStreamException {
+        OMElement element = new DataObject2OMElement().transform(dataObject, context);
+        Assert.assertEquals(ORDER_QNAME.getNamespaceURI(), element.getNamespace().getNamespaceURI());
+        Assert.assertEquals(ORDER_QNAME.getLocalPart(), element.getLocalName());
+
+        OMNamespace ns = OMAbstractFactory.getOMFactory().createOMNamespace("http://ns1", "ns1");
+        element.setNamespace(ns);
+        element.setLocalName("dummy");
+        // TODO: See https://issues.apache.org/jira/browse/WSCOMMONS-226
+        // element.getBuilder().setCache(true);
+        StringWriter writer = new StringWriter();
+        element.serializeAndConsume(writer);
+        // System.out.println(writer);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/SDOTransformerTestCaseBase.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/SDOTransformerTestCaseBase.java
new file mode 100644
index 0000000000..f48b692822
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/SDOTransformerTestCaseBase.java
@@ -0,0 +1,83 @@
+/*
+ * 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.databinding.sdo2om;
+
+import javax.xml.namespace.QName;
+
+import junit.framework.TestCase;
+
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.impl.TransformationContextImpl;
+import org.apache.tuscany.sca.interfacedef.DataType;
+
+import com.example.ipo.sdo.PurchaseOrderType;
+import com.example.ipo.sdo.SdoFactory;
+import com.example.ipo.sdo.USAddress;
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.HelperContext;
+import commonj.sdo.impl.HelperProvider;
+
+
+/**
+ * The base class for SDO-related test cases
+ *
+ * @version $Rev$ $Date$
+ */
+public abstract class SDOTransformerTestCaseBase extends TestCase {
+    protected static final QName ORDER_QNAME = new QName("http://www.example.com/IPO", "purchaseOrder");
+
+    protected HelperContext helperContext;
+    protected String binding = DataObject.class.getName();
+    protected TransformationContext context;
+    protected TransformationContext reversedContext; 
+    protected DataObject dataObject;
+
+    /**
+     * @see junit.framework.TestCase#setUp()
+     */
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        helperContext = HelperProvider.getDefaultContext();
+        SdoFactory.INSTANCE.register(helperContext);
+        
+        context = new TransformationContextImpl();
+        context.setSourceDataType(getSourceDataType());
+        context.setTargetDataType(getTargetDataType());
+
+        reversedContext = new TransformationContextImpl();
+        reversedContext.setSourceDataType(getTargetDataType());
+        reversedContext.setTargetDataType(getSourceDataType());
+        
+        PurchaseOrderType po = SdoFactory.INSTANCE.createPurchaseOrderType();
+        USAddress address = SdoFactory.INSTANCE.createUSAddress();
+        address.setCity("San Jose");
+        address.setStreet("123 ABC St");
+        address.setState("CA");
+        address.setStreet("95131");
+        po.setBillTo(address);
+        dataObject = (DataObject) po;
+    }
+
+    protected abstract DataType<?> getSourceDataType();
+
+    protected abstract DataType<?> getTargetDataType();
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElementTestCase.java b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElementTestCase.java
new file mode 100644
index 0000000000..5015a1b697
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/java/org/apache/tuscany/sca/databinding/sdo2om/XMLDocument2OMElementTestCase.java
@@ -0,0 +1,63 @@
+/*
+ * 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.databinding.sdo2om;
+
+import java.io.StringWriter;
+
+import javax.xml.stream.XMLStreamException;
+
+import junit.framework.Assert;
+
+import org.apache.axiom.om.OMElement;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+import commonj.sdo.helper.XMLDocument;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class XMLDocument2OMElementTestCase extends SDOTransformerTestCaseBase {
+
+    @Override
+    protected DataType<?> getSourceDataType() {
+        return new DataTypeImpl<XMLType>(XMLDocument.class.getName(), XMLDocument.class, new XMLType(ORDER_QNAME, null));
+    }
+
+    @Override
+    protected DataType<?> getTargetDataType() {
+        return new DataTypeImpl<XMLType>(OMElement.class.getName(), OMElement.class, new XMLType(ORDER_QNAME, null));
+    }
+
+    public final void testTransform() throws XMLStreamException {
+        XMLDocument document =
+            helperContext.getXMLHelper().createDocument(dataObject,
+                                                        ORDER_QNAME.getNamespaceURI(),
+                                                        ORDER_QNAME.getLocalPart());
+        OMElement element = new XMLDocument2OMElement().transform(document, context);
+        Assert.assertEquals(ORDER_QNAME.getNamespaceURI(), element.getNamespace().getNamespaceURI());
+        Assert.assertEquals(ORDER_QNAME.getLocalPart(), element.getLocalName());
+        StringWriter writer = new StringWriter();
+        element.serialize(writer);
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/ipo.xsd b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/ipo.xsd
new file mode 100644
index 0000000000..241ec15d36
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/ipo.xsd
@@ -0,0 +1,136 @@
+<!--
+ * 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.    
+-->
+<schema targetNamespace="http://www.example.com/IPO"
+	xmlns="http://www.w3.org/2001/XMLSchema"
+	xmlns:ipo="http://www.example.com/IPO">
+
+	<annotation>
+		<documentation xml:lang="en">
+			International Purchase order schema for Example.com
+			Copyright 2000 Example.com. All rights reserved.
+		</documentation>
+	</annotation>
+
+
+	<element name="purchaseOrder" type="ipo:PurchaseOrderType" />
+
+	<element name="comment" type="string" />
+
+	<complexType name="PurchaseOrderType">
+		<sequence>
+			<element name="shipTo" type="ipo:Address" />
+			<element name="billTo" type="ipo:Address" />
+			<element ref="ipo:comment" minOccurs="0" />
+			<element name="items" type="ipo:Items" />
+		</sequence>
+		<attribute name="orderDate" type="date" />
+	</complexType>
+
+	<complexType name="Items">
+		<sequence>
+			<element name="item" minOccurs="0" maxOccurs="unbounded">
+				<complexType>
+					<sequence>
+						<element name="productName" type="string" />
+						<element name="quantity">
+							<simpleType>
+								<restriction base="positiveInteger">
+									<maxExclusive value="100" />
+								</restriction>
+							</simpleType>
+						</element>
+						<element name="USPrice" type="decimal" />
+						<element ref="ipo:comment" minOccurs="0" />
+						<element name="shipDate" type="date"
+							minOccurs="0" />
+					</sequence>
+					<attribute name="partNum" type="ipo:SKU"
+						use="required" />
+				</complexType>
+			</element>
+		</sequence>
+	</complexType>
+
+	<simpleType name="SKU">
+		<restriction base="string">
+			<pattern value="\d{3}-[A-Z]{2}" />
+		</restriction>
+	</simpleType>
+
+	<complexType name="Address">
+		<sequence>
+			<element name="name" type="string" />
+			<element name="street" type="string" />
+			<element name="city" type="string" />
+		</sequence>
+	</complexType>
+
+	<complexType name="USAddress">
+		<complexContent>
+			<extension base="ipo:Address">
+				<sequence>
+					<element name="state" type="ipo:USState" />
+					<element name="zip" type="positiveInteger" />
+				</sequence>
+			</extension>
+		</complexContent>
+	</complexType>
+
+	<complexType name="UKAddress">
+		<complexContent>
+			<extension base="ipo:Address">
+				<sequence>
+					<element name="postcode" type="ipo:UKPostcode" />
+				</sequence>
+				<attribute name="exportCode" type="positiveInteger"
+					fixed="1" />
+			</extension>
+		</complexContent>
+	</complexType>
+
+	<!-- other Address derivations for more countries -->
+
+	<simpleType name="USState">
+		<restriction base="string">
+			<enumeration value="AK" />
+			<enumeration value="AL" />
+			<enumeration value="AR" />
+			<enumeration value="CA" />
+			<enumeration value="PA" />
+			<!-- and so on ... -->
+		</restriction>
+	</simpleType>
+
+	<simpleType name="Postcode">
+		<restriction base="string">
+			<length value="7" fixed="true" />
+		</restriction>
+	</simpleType>
+
+
+	<simpleType name="UKPostcode">
+		<restriction base="ipo:Postcode">
+			<pattern value="[A-Z]{2}\d\s\d[A-Z]{2}" />
+		</restriction>
+	</simpleType>
+
+
+
+</schema>
+
diff --git a/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/stock.xsd b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/stock.xsd
new file mode 100644
index 0000000000..a0a6717371
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-sdo-axiom/src/test/resources/stock.xsd
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 
+    * 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.    
+-->
+<schema targetNamespace="http://www.example.com/stock" xmlns="http://www.w3.org/2001/XMLSchema">
+    <!-- Faults -->
+    <element name="InvalidSymbolFault">
+        <complexType>
+            <sequence>
+                <element name="message" minOccurs="1" type="string" />
+                <element name="symbol" minOccurs="1" type="string" />
+            </sequence>
+        </complexType>
+    </element>
+
+    <element name="MarketClosedFault" type="string" />
+
+</schema>
\ No newline at end of file