15 files changed, 1106 insertions, 0 deletions
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.java
new file mode 100644
index 0000000000..25f8ee886f
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/DataObject2NodeInfoTransformer.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.databinding.saxon;
+
+import javax.xml.transform.dom.DOMResult;
+
+import net.sf.saxon.om.NodeInfo;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.impl.DOMHelper;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XMLDocument;
+import commonj.sdo.helper.XMLHelper;
+
+/**
+ * Transforms SDO DataObject-s to NodeInfo objects needed by Saxon parser.
+ *
+ * For root element when Serializing the DataObject the name of its 
+ * implemented interface is used with its first letter made lowercase.
+ * Also any namespaces that are defined are deleted, because otherwise
+ * the SaxonB parser does not work
+ *
+ * @version $Rev$ $Date$
+ */
+public class DataObject2NodeInfoTransformer extends BaseTransformer<DataObject, NodeInfo> implements
+    PullTransformer<DataObject, NodeInfo> {
+
+    private Node2NodeInfoTransformer node2NodeInfoTransformer;
+
+    public DataObject2NodeInfoTransformer(Node2NodeInfoTransformer node2NodeInfoTransformer) {
+        this.node2NodeInfoTransformer = node2NodeInfoTransformer;
+    }
+
+    public DataObject2NodeInfoTransformer() {
+        this.node2NodeInfoTransformer = new Node2NodeInfoTransformer();
+    }
+
+    public NodeInfo transform(DataObject source, TransformationContext context) {
+        // FIXME: Need to create the HelperContext from the transformation context
+        // FIXME: This is a big hack to create a document using the class name
+        XMLHelper helper = XMLHelper.INSTANCE;
+        String name = null;
+        if (source.getClass().getInterfaces().length > 0) {
+            name = source.getClass().getInterfaces()[0].getSimpleName();
+        } else {
+            name = source.getClass().getName();
+        }
+
+        if (name.length() > 0) {
+            name = Character.toLowerCase(name.charAt(0)) + name.substring(1, name.length());
+        }
+
+        try {
+            DOMResult domResult = new DOMResult(DOMHelper.newDocument());
+            XMLDocument xmlDoc = helper.createDocument(source, null, name);
+            helper.save(xmlDoc, domResult, null);
+            return node2NodeInfoTransformer.transform(domResult.getNode(), context);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+
+    }
+
+    @Override
+    protected Class<DataObject> getSourceType() {
+        return DataObject.class;
+    }
+
+    @Override
+    protected Class<NodeInfo> getTargetType() {
+        return NodeInfo.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 30 + node2NodeInfoTransformer.getWeight();
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/ItemList2ObjectTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/ItemList2ObjectTransformer.java
new file mode 100644
index 0000000000..7122217b8b
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/ItemList2ObjectTransformer.java
@@ -0,0 +1,153 @@
+/*
+ * 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.saxon;
+
+import java.lang.reflect.Array;
+
+import net.sf.saxon.om.Item;
+import net.sf.saxon.om.NodeInfo;
+import net.sf.saxon.trans.XPathException;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.saxon.collection.ItemList;
+
+/**
+ * Transforms each object contained in the ItemList object.
+ * 
+ * 	If the object type is the same as the target type, it is not transformed.
+ * 
+ * 	If the object is a NodeInfo, it's transformed to a DataObject.
+ * 
+ * 	If the object is a Value, it's transformed to a Java object.
+ * 
+ * If the target type is not an array, the first transformed object is returned.
+ * 
+ * 	If the first transformed object type is not a target type, then a
+ * 	TransformException is thrown
+ * 
+ * If the target type is an array, a array of this type is created containing
+ * all transformed objects and it is returned
+ * 
+ * 	If any transformed object is not a target type, then a TransformException is
+ * 	thrown
+ * 
+ * @version $Rev: 659284 $ $Date: 2008-05-22 14:26:18 -0800 (Thu, 22 May 2008) $
+ */
+public class ItemList2ObjectTransformer extends BaseTransformer<ItemList, Object> implements
+    PullTransformer<ItemList, Object> {
+
+    private NodeInfo2DataObjectTransformer nodeInfo2DataObjectTransformer = new NodeInfo2DataObjectTransformer();
+
+    public ItemList2ObjectTransformer() {
+    }
+
+    @Override
+    protected Class<ItemList> getSourceType() {
+        return ItemList.class;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 30 + nodeInfo2DataObjectTransformer.getWeight();
+    }
+
+    public Object transform(ItemList source, TransformationContext context) {
+
+        if (source.size() == 0) {
+            return null;
+        }
+
+        Class<?> targetType = context.getTargetDataType().getPhysical();
+
+        if (targetType.isArray()) {
+            int i = 0;
+            Class<?> componentClass = targetType.getComponentType();
+            Object[] result = (Object[])Array.newInstance(componentClass, source.size());
+
+            try {
+
+                if (componentClass.isAssignableFrom(NodeInfo.class) || componentClass.isAssignableFrom(Value.class)) {
+
+                    for (Item item : source) {
+                        result[i++] = item;
+                    }
+
+                } else {
+
+                    for (Item item : source) {
+
+                        if (item instanceof NodeInfo) {
+                            result[i] = nodeInfo2DataObjectTransformer.transform((NodeInfo)item, context);
+
+                        } else if (item instanceof Value) {
+                            result[i] = Value.convert(item);
+
+                        } else {
+                            result[i] = item;
+                        }
+
+                        i++;
+
+                    }
+
+                }
+
+            } catch (ArrayStoreException ex) {
+                throw new TransformationException(ex);
+
+            } catch (XPathException ex) {
+                throw new TransformationException(ex);
+            }
+
+            return result;
+
+        } else {
+            Item item = source.iterator().next();
+
+            if (item.getClass().isAssignableFrom(targetType)) {
+                return item;
+
+            } else if (item instanceof NodeInfo) {
+                return nodeInfo2DataObjectTransformer.transform((NodeInfo)item, context);
+
+            } else {
+
+                try {
+                    return Value.convert(item);
+
+                } catch (XPathException e) {
+                    throw new TransformationException(e);
+                }
+
+            }
+
+        }
+
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Node2NodeInfoTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Node2NodeInfoTransformer.java
new file mode 100644
index 0000000000..fabadd34ea
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Node2NodeInfoTransformer.java
@@ -0,0 +1,77 @@
+/*
+ * 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.saxon;
+
+import javax.xml.transform.dom.DOMSource;
+
+import net.sf.saxon.Configuration;
+import net.sf.saxon.event.Builder;
+import net.sf.saxon.om.NodeInfo;
+import net.sf.saxon.trans.XPathException;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.impl.DOMHelper;
+import org.w3c.dom.Node;
+
+/**
+ * Transforms DOM Node-s to NodeInfo objects needed by Saxon parser.
+ *
+ * Any namespaces that are defined are deleted, because otherwise
+ * the SaxonB parser does not work
+ *
+ * @version $Rev$ $Date$
+ */
+public class Node2NodeInfoTransformer extends BaseTransformer<Node, NodeInfo> implements
+    PullTransformer<Node, NodeInfo> {
+
+    public NodeInfo transform(Node source, TransformationContext context) {      
+        Configuration configuration = SaxonDataBindingHelper.CURR_EXECUTING_CONFIG;
+        if (configuration == null) {
+            configuration = new Configuration();
+        }        
+        
+        NodeInfo docInfo = null;
+        try {
+            source = DOMHelper.promote(source);
+            docInfo = Builder.build(new DOMSource(source), null, configuration);
+        } catch (XPathException e) {
+            throw new TransformationException(e);
+        }
+        return docInfo;
+    }
+
+    @Override
+    protected Class<Node> getSourceType() {
+        return Node.class;
+    }
+
+    @Override
+    protected Class<NodeInfo> getTargetType() {
+        return NodeInfo.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java
new file mode 100644
index 0000000000..a5093f8cdf
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2DataObjectTransformer.java
@@ -0,0 +1,91 @@
+/*
+ * 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.saxon;
+
+import java.io.IOException;
+
+import javax.xml.transform.dom.DOMSource;
+
+import net.sf.saxon.om.NodeInfo;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.w3c.dom.Document;
+
+import commonj.sdo.DataObject;
+import commonj.sdo.helper.XMLHelper;
+
+/**
+ * Transforms NodeInfo objects to SDO DataObjects.
+ *
+ * Before constructing the data object, resulting XML is populated
+ * with correct namespaces (which are taken from the logical target data type)
+ * These namespaces are crucial for constructing the right instance of
+ * the DataObject (i.e. if there is a SDO factory, an instance from this factory will
+ * be used, not the generic any data object)
+ *
+ * @version $Rev$ $Date$
+ */
+public class NodeInfo2DataObjectTransformer extends BaseTransformer<NodeInfo, DataObject> implements
+    PullTransformer<NodeInfo, DataObject> {
+
+    private NodeInfo2NodeTransformer nodeInfo2NodeTransformer;
+
+    public NodeInfo2DataObjectTransformer(NodeInfo2NodeTransformer nodeInfo2NodeTransformer) {
+        this.nodeInfo2NodeTransformer = nodeInfo2NodeTransformer;
+    }
+
+    public NodeInfo2DataObjectTransformer() {
+        this.nodeInfo2NodeTransformer = new NodeInfo2NodeTransformer();
+    }
+
+    @Override
+    protected Class<NodeInfo> getSourceType() {
+        return NodeInfo.class;
+    }
+
+    @Override
+    protected Class<DataObject> getTargetType() {
+        return DataObject.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 30 + nodeInfo2NodeTransformer.getWeight();
+    }
+
+    public DataObject transform(NodeInfo source, TransformationContext context) {
+        Document doc = (Document)nodeInfo2NodeTransformer.transform(source, context);
+
+        return produceResult(doc);
+    }
+
+    private DataObject produceResult(Document doc) {
+        try {
+            // FIXME: [rfeng] We should use the HelperContext from the context
+            DataObject resultingObject =
+                XMLHelper.INSTANCE.load(new DOMSource(doc), doc.getDocumentURI(), null).getRootObject();
+            return resultingObject;
+        } catch (IOException e) {
+            throw new TransformationException(e);
+        }
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2JavaArrayTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2JavaArrayTransformer.java
new file mode 100644
index 0000000000..36ebac3aea
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2JavaArrayTransformer.java
@@ -0,0 +1,76 @@
+/*
+ * 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.saxon;
+
+import java.lang.reflect.Array;
+
+import net.sf.saxon.om.Item;
+import net.sf.saxon.om.NodeInfo;
+import net.sf.saxon.trans.XPathException;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.saxon.collection.ItemList;
+
+import commonj.sdo.DataObject;
+
+/**
+ * Transforms a NodeInfo object to a DataObject and return it in an array.
+ * 
+ * @version $Rev: 659284 $ $Date: 2008-05-22 14:26:18 -0800 (Thu, 22 May 2008) $
+ */
+public class NodeInfo2JavaArrayTransformer extends
+		BaseTransformer<NodeInfo, Object[]> implements
+		PullTransformer<NodeInfo, Object[]> {
+
+	private NodeInfo2DataObjectTransformer nodeInfo2DataObjectTransformer = new NodeInfo2DataObjectTransformer();
+
+	public NodeInfo2JavaArrayTransformer() {}
+
+	@Override
+	protected Class<NodeInfo> getSourceType() {
+		return NodeInfo.class;
+	}
+
+	@Override
+	protected Class<Object[]> getTargetType() {
+		return Object[].class;
+	}
+
+	@Override
+	public int getWeight() {
+		return 30 + nodeInfo2DataObjectTransformer.getWeight();
+	}
+
+	public Object[] transform(NodeInfo source, TransformationContext context) {
+		Object object = nodeInfo2DataObjectTransformer.transform(source, context);
+		
+		Class<?> componentClass = context.getTargetDataType().getPhysical().getComponentType();
+		Object[] result = (Object[]) Array.newInstance(componentClass, 1);
+		
+		result[0] = object;
+		
+		return result;
+
+	}
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2NodeTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2NodeTransformer.java
new file mode 100644
index 0000000000..1e5b816662
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/NodeInfo2NodeTransformer.java
@@ -0,0 +1,71 @@
+/*
+ * 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.saxon;
+
+import java.util.Properties;
+
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.dom.DOMResult;
+
+import net.sf.saxon.om.NodeInfo;
+import net.sf.saxon.query.QueryResult;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.w3c.dom.Node;
+
+/**
+ * Transforms NodeInfo objects to SDO DataObjects.
+ *
+ * @version $Rev$ $Date$
+ */
+public class NodeInfo2NodeTransformer extends BaseTransformer<NodeInfo, Node> implements
+    PullTransformer<NodeInfo, Node> {
+
+    public Node transform(NodeInfo source, TransformationContext context) {
+        DOMResult destination = new DOMResult();
+        try {
+            Properties props = new Properties();
+            props.setProperty(OutputKeys.METHOD, "xml");
+            props.setProperty(OutputKeys.INDENT, "yes");
+            QueryResult.serialize(source, destination, props, source.getConfiguration());
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+        return destination.getNode();
+    }
+
+    @Override
+    protected Class<NodeInfo> getSourceType() {
+        return NodeInfo.class;
+    }
+
+    @Override
+    protected Class<Node> getTargetType() {
+        return Node.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Object2ValueTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Object2ValueTransformer.java
new file mode 100644
index 0000000000..616bcca6c5
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Object2ValueTransformer.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.saxon;
+
+import net.sf.saxon.value.FloatValue;
+import net.sf.saxon.value.ObjectValue;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding;
+
+/**
+ * Transforms generic java objects to Value objects needed by Saxon parser.
+ *
+ * @version $Rev$ $Date$
+ */
+public class Object2ValueTransformer extends BaseTransformer<Object, Value> implements PullTransformer<Object, Value> {
+
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    protected Class<Value> getTargetType() {
+        return Value.class;
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10000;
+    }
+
+    public Value transform(Object source, TransformationContext context) {
+        // WORKAROUND for ClassCastException in ObjectValue.toJavaObject(float)
+        if (source instanceof Float) {
+            return new FloatValue(((Float)source).floatValue());
+        }
+        return new ObjectValue(source);
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java
new file mode 100644
index 0000000000..ecb20b24b5
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonDataBindingHelper.java
@@ -0,0 +1,41 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.databinding.saxon;
+
+import net.sf.saxon.Configuration;
+
+/**
+ * Provides helper functionality for Saxon data bindings
+ * @version $Rev$ $Date$
+ */
+public class SaxonDataBindingHelper {
+    /**
+     * This variable is meaningful only in the context of XQoery expression
+     * execution. It is used by the DataObject2NodeInfoTransformer and
+     * Node2NodeInfoTransformer to create the correct NodeInfo objects
+     * in the Output2Output transformations. 
+     * For Input2Input transformations it is meaningless:
+     *    - if it is null - it is ignored by the transformers as they create new
+     *      configuration objects
+     *    - if it is not null - it is reused
+     * However the XQueryInvoker transforms all NodeInfo-s to NodeInfo-s with
+     * its current configuration, so there is no effect for Input2Input transformations
+     */
+    public static Configuration CURR_EXECUTING_CONFIG = null;
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonNodeDataBinding.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonNodeDataBinding.java
new file mode 100644
index 0000000000..ccf842710d
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonNodeDataBinding.java
@@ -0,0 +1,54 @@
+/*
+ * 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.saxon;
+
+
+import net.sf.saxon.om.NodeInfo;
+
+import org.apache.tuscany.sca.databinding.impl.BaseDataBinding;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * Represents data binding for parameters of type NodeInfo.
+ *
+ * The NodeInfo type is the type accepted by the Saxon XQuery processor for
+ * all XML - based content (i.e. not strings and simple types)
+ *
+ * @version $Rev$ $Date$
+ */
+public class SaxonNodeDataBinding extends BaseDataBinding {
+
+    public static final String NAME = NodeInfo.class.getName();
+    public static final String[] ALIASES = new String[] {"saxon_node"};
+
+    public SaxonNodeDataBinding() {
+        super(NAME, NodeInfo.class);
+    }
+
+    @Override
+    public boolean introspect(DataType type, Operation operation) {
+        if (super.introspect(type, operation)) {
+            // type.setLogical(XMLType.UNKNOWN);
+            return true;
+        } else {
+            return false;
+        }
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonValueDataBinding.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonValueDataBinding.java
new file mode 100644
index 0000000000..2f51cf86ec
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SaxonValueDataBinding.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.databinding.saxon;
+
+
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.impl.BaseDataBinding;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+
+/**
+ * Represents data binding for parameters of type Value.
+ *
+ * The Value type is the type accepted by the Saxon XQuery processor for
+ * all simple types and strings
+ *
+ * @version $Rev$ $Date$
+ */
+public class SaxonValueDataBinding extends BaseDataBinding {
+    public static final String NAME = Value.class.getName();
+    public static final String[] ALIASES = new String[] {"saxon_value"};
+
+    public SaxonValueDataBinding() {
+        super(NAME, Value.class);
+    }
+
+    @Override
+    public boolean introspect(DataType type, Operation operation) {
+        if (super.introspect(type, operation)) {
+            // type.setLogical(XMLType.UNKNOWN);
+            return true;
+        } else {
+            return false;
+        }
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SimpleType2ValueTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SimpleType2ValueTransformer.java
new file mode 100644
index 0000000000..67d89a6e0b
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/SimpleType2ValueTransformer.java
@@ -0,0 +1,87 @@
+/*
+ * 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.saxon;
+
+import java.math.BigDecimal;
+
+import net.sf.saxon.value.DecimalValue;
+import net.sf.saxon.value.DoubleValue;
+import net.sf.saxon.value.FloatValue;
+import net.sf.saxon.value.IntegerValue;
+import net.sf.saxon.value.ObjectValue;
+import net.sf.saxon.value.StringValue;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding;
+
+/**
+ * Transforms simple types and strings to Value objects needed by Saxon parser
+ * @version $Rev$ $Date$
+ */
+public class SimpleType2ValueTransformer extends BaseTransformer<Object, Value> implements
+    PullTransformer<Object, Value> {
+
+    @Override
+    public String getSourceDataBinding() {
+        return SimpleJavaDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    protected Class<Value> getTargetType() {
+        return Value.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10000;
+    }
+
+    public Value transform(Object source, TransformationContext context) {
+        Value result = null;
+        if (source instanceof Integer) {
+            result = new IntegerValue((Integer)source);
+        } else if (source instanceof Long) {
+            result = new IntegerValue((Long)source);
+        } else if (source instanceof Short) {
+            result = new IntegerValue((Short)source);
+        } else if (source instanceof Byte) {
+            result = new IntegerValue((Byte)source);
+        } else if (source instanceof Double) {
+            result = new DoubleValue((Double)source);
+        } else if (source instanceof Float) {
+            result = new FloatValue((Float)source);
+        } else if (source instanceof BigDecimal) {
+            result = new DecimalValue((BigDecimal)source);
+        } else if (source instanceof String) {
+            result = new StringValue(((String)source));
+        } else {
+            result = new ObjectValue(source);
+        }
+
+        return result;
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2JavaArray.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2JavaArray.java
new file mode 100644
index 0000000000..16d5f524bb
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2JavaArray.java
@@ -0,0 +1,74 @@
+/*
+ * 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.saxon;
+
+import java.lang.reflect.Array;
+
+import net.sf.saxon.trans.XPathException;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+
+/**
+ * Transforms a Value object to a Java Object and return it in an array.
+ * 
+ * @version $Rev: 659284 $ $Date: 2008-05-22 14:26:18 -0800 (Thu, 22 May 2008) $
+ */
+public class Value2JavaArray extends BaseTransformer<Value, Object[]> implements PullTransformer<Value, Object[]> {
+
+    public Value2JavaArray() {
+    }
+
+    @Override
+    protected Class<Value> getSourceType() {
+        return Value.class;
+    }
+
+    @Override
+    protected Class<Object[]> getTargetType() {
+        return Object[].class;
+    }
+
+    @Override
+    public int getWeight() {
+        return super.getWeight() + 100;
+    }
+
+    public Object[] transform(Value source, TransformationContext context) {
+
+        try {
+            Object object = Value.convert(Value.asItem(source));
+
+            Class<?> componentClass = context.getTargetDataType().getPhysical().getComponentType();
+            Object[] result = (Object[])Array.newInstance(componentClass, 1);
+
+            result[0] = object;
+
+            return result;
+
+        } catch (XPathException e) {
+            throw new TransformationException(e.getMessage());
+        }
+
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2ObjectTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2ObjectTransformer.java
new file mode 100644
index 0000000000..7589f6789b
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2ObjectTransformer.java
@@ -0,0 +1,66 @@
+/*
+ * 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.saxon;
+
+import net.sf.saxon.trans.XPathException;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding;
+
+/**
+ * Transforms Value objects to generic java objects
+ * @version $Rev$ $Date$
+ */
+public class Value2ObjectTransformer extends BaseTransformer<Value, Object> implements PullTransformer<Value, Object> {
+
+    public Object transform(Value source, TransformationContext context) {
+        Object object;
+        try {
+            object = Value.convert(Value.asItem(source));
+        } catch (XPathException e) {
+            throw new TransformationException(e);
+        }
+        return object;
+    }
+
+    @Override
+    protected Class<Value> getSourceType() {
+        return Value.class;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+    
+    @Override
+    public String getTargetDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10000;
+    }
+
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2SimpleTypeTransformer.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2SimpleTypeTransformer.java
new file mode 100644
index 0000000000..5da4effcfd
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/Value2SimpleTypeTransformer.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.saxon;
+
+import net.sf.saxon.trans.XPathException;
+import net.sf.saxon.value.Value;
+
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding;
+
+/**
+ * Transforms Value objects to simple types
+ * @version $Rev$ $Date$
+ */
+public class Value2SimpleTypeTransformer extends BaseTransformer<Value, Object> implements
+    PullTransformer<Value, Object> {
+    public Object transform(Value source, TransformationContext context) {
+        Object object;
+        try {
+            object = Value.convert(Value.asItem(source));
+        } catch (XPathException e) {
+            throw new TransformationException(e);
+        }
+        return object;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return SimpleJavaDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Value> getSourceType() {
+        return Value.class;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10000;
+    }
+}
diff --git a/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/collection/ItemList.java b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/collection/ItemList.java
new file mode 100644
index 0000000000..065121520b
--- /dev/null
+++ b/sca-java-2.x/contrib/modules/databinding-saxon/src/main/java/org/apache/tuscany/sca/databinding/saxon/collection/ItemList.java
@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.tuscany.sca.databinding.saxon.collection;
+
+import java.util.ArrayList;
+
+import net.sf.saxon.om.Item;
+
+/**
+ * Stores a list of Item objects.
+ * 
+ * Used by the implementation.xquery to store a collection of results
+ * generated by the xquery execution.
+ *
+ * @version $Rev: 659284 $ $Date: 2008-05-22 14:26:18 -0800 (Thu, 22 May 2008) $
+ */
+public class ItemList extends ArrayList<Item> {}