Move Tuscany from Incubator to top level.

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

14 files changed, 1101 insertions, 0 deletions

diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java
new file mode 100644
index 0000000000..b1813c9eab
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2JavaBean.java
@@ -0,0 +1,73 @@
+/*
+ * 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.json;
+
+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.javabeans.JavaBeansDataBinding;
+
+import com.metaparadigm.jsonrpc.JSONSerializer;
+import com.metaparadigm.jsonrpc.SerializerState;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JSON2JavaBean implements PullTransformer<Object, Object> {
+    private JSONSerializer serializer;
+
+    public JSON2JavaBean() {
+        super();
+        serializer = new JSONSerializer();
+        try {
+            serializer.registerDefaultSerializers();
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+        serializer.setMarshallClassHints(true);
+        serializer.setMarshallNullAttributes(true);
+    }
+
+    public Object transform(Object source, TransformationContext context) {
+        if (source == null) {
+            return null;
+        }
+
+        try {
+            SerializerState state = new SerializerState();
+            return serializer.unmarshall(state, context.getTargetDataType().getPhysical(), source);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+
+    }
+
+    public String getSourceDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+    public String getTargetDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    public int getWeight() {
+        return 5000;
+    }
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java
new file mode 100644
index 0000000000..4e08384f09
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2String.java
@@ -0,0 +1,61 @@
+/*
+ * 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.json;
+
+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;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JSON2String extends BaseTransformer<Object, String> implements
+    PullTransformer<Object, String> {
+    
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    protected Class<String> getTargetType() {
+        return String.class;
+    }
+
+    public String transform(Object source, TransformationContext context) {
+        try {
+            return source.toString();
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        } 
+    }
+
+    @Override
+    public int getWeight() {
+        return 500;
+    }
+    
+    @Override
+    public String getSourceDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.java
new file mode 100644
index 0000000000..b70f772696
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSON2XMLStreamReader.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.json;
+
+import javax.xml.stream.XMLStreamReader;
+
+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.codehaus.jettison.badgerfish.BadgerFishXMLStreamReader;
+import org.codehaus.jettison.json.JSONObject;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JSON2XMLStreamReader extends BaseTransformer<Object, XMLStreamReader> implements
+    PullTransformer<Object, XMLStreamReader> {
+    
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    protected Class<XMLStreamReader> getTargetType() {
+        return XMLStreamReader.class;
+    }
+
+    public XMLStreamReader transform(Object source, TransformationContext context) {
+        try {
+            JSONObject json = JSONHelper.toJettison(source);
+            return new BadgerFishXMLStreamReader(json);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        } 
+    }
+
+    @Override
+    public int getWeight() {
+        return 500;
+    }
+    @Override
+    public String getSourceDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.java
new file mode 100644
index 0000000000..0ecf9dde19
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONDataBinding.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.json;
+
+
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.databinding.impl.BaseDataBinding;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.codehaus.jettison.json.JSONObject;
+
+/**
+ * JAXB DataBinding
+ *
+ * @version $Rev$ $Date$
+ */
+public class JSONDataBinding extends BaseDataBinding {
+    public static final String NAME = "JSON";
+    public static final String[] ALIASES = new String[] {"json"};
+
+    public static final String ROOT_NAMESPACE = "http://tuscany.apache.org/xmlns/sca/databinding/json/1.0";
+    public static final QName ROOT_ELEMENT = new QName(ROOT_NAMESPACE, "root");
+
+    public JSONDataBinding() {
+        super(NAME, ALIASES, org.json.JSONObject.class);
+    }
+
+    public boolean introspect(DataType type, Operation operation) {
+        assert type != null;
+        Class cls = type.getPhysical();
+        if (JSONObject.class.isAssignableFrom(cls) || org.json.JSONObject.class.isAssignableFrom(cls)) {
+            type.setDataBinding(getName());
+            if (type.getLogical() == null) {
+                type.setLogical(XMLType.UNKNOWN);
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object copy(Object arg, DataType dataType, Operation operation) {
+        if (arg == null) {
+            return null;
+        }
+        try {
+            Class type = arg != null ? arg.getClass() : null;
+            return JSONHelper.toJSON(arg.toString(), type);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.java
new file mode 100644
index 0000000000..fb29710506
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JSONHelper.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.json;
+
+import java.text.ParseException;
+
+import org.codehaus.jettison.json.JSONException;
+import org.codehaus.jettison.json.JSONObject;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JSONHelper {
+    private JSONHelper() {
+
+    }
+
+    /**
+     * Convert to Jettison JSONObject
+     * @param source
+     * @return
+     */
+    public static JSONObject toJettison(Object source) {
+        JSONObject json = null;
+        if (source instanceof JSONObject) {
+            json = (JSONObject)source;
+        } else if (source instanceof org.json.JSONObject) {
+            try {
+                json = new JSONObject(((org.json.JSONObject)source).toString());
+            } catch (JSONException e) {
+                throw new IllegalArgumentException(e);
+            }
+        }
+        return json;
+    }
+
+    /**
+     * Convert to org.json.JSONObject
+     * @param source
+     * @return
+     */
+    public static org.json.JSONObject toJSONOrg(Object source) {
+        org.json.JSONObject json = null;
+        if (source instanceof JSONObject) {
+            try {
+                json = new org.json.JSONObject(((JSONObject)source).toString());
+            } catch (ParseException e) {
+                throw new IllegalArgumentException(e);
+            }
+        } else if (source instanceof org.json.JSONObject) {
+            json = (org.json.JSONObject)source;
+        }
+        return json;
+    }
+
+    public static <T> T toJSON(String json, Class<T> type) {
+        if (type == JSONObject.class) {
+            try {
+                return type.cast(new JSONObject(json));
+            } catch (JSONException e) {
+                throw new IllegalArgumentException(e);
+            }
+        } else {
+            if (type == null) {
+                type = (Class<T>)org.json.JSONObject.class;
+            }
+            try {
+                return type.cast(new org.json.JSONObject(json));
+            } catch (ParseException e) {
+                throw new IllegalArgumentException(e);
+            }
+        }
+    }
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.java
new file mode 100644
index 0000000000..a928deef22
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSON.java
@@ -0,0 +1,82 @@
+/*
+ * 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.json;
+
+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;
+
+import com.metaparadigm.jsonrpc.JSONSerializer;
+import com.metaparadigm.jsonrpc.SerializerState;
+
+public class JavaBean2JSON extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> {
+    private JSONSerializer serializer;
+    
+    public JavaBean2JSON() {
+        serializer = new JSONSerializer();
+        try {
+            serializer.registerDefaultSerializers();
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+        serializer.setMarshallClassHints(true);
+        serializer.setMarshallNullAttributes(true);
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    public Object toJSON(Object source) throws Exception {
+        if (source == null) {
+            return org.json.JSONObject.NULL;
+        }
+
+        SerializerState state = new SerializerState();
+        return serializer.marshall(state, source);
+    }
+
+    public Object transform(Object source, TransformationContext context) {
+        try {
+            return toJSON(source);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java
new file mode 100644
index 0000000000..de023157bc
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java
@@ -0,0 +1,139 @@
+/*
+ * 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.json;
+
+import java.beans.BeanInfo;
+import java.beans.Introspector;
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.Array;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+
+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.SimpleTypeMapperImpl;
+import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding;
+import org.apache.tuscany.sca.interfacedef.util.TypeInfo;
+import org.codehaus.jettison.json.JSONArray;
+import org.codehaus.jettison.json.JSONObject;
+
+public class JavaBean2JSONObject extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> {
+    private static final Comparator<PropertyDescriptor> COMPARATOR = new Comparator<PropertyDescriptor>() {
+        public int compare(PropertyDescriptor o1, PropertyDescriptor o2) {
+            return o1.getName().compareTo(o2.getName());
+        }
+    };
+
+    private static final SimpleTypeMapperImpl MAPPER = new SimpleTypeMapperImpl();
+    private static final Object[] NULL = null;
+
+    private static String getStringValue(Object o) {
+        if (o == null) {
+            return null;
+        }
+        TypeInfo info = SimpleTypeMapperImpl.getXMLType(o.getClass());
+        if (info != null) {
+            return MAPPER.toXMLLiteral(info.getQName(), o, null);
+        } else {
+            return String.valueOf(o);
+        }
+    }
+
+    private static boolean isSimpleType(Class<?> javaType) {
+        return SimpleTypeMapperImpl.getXMLType(javaType) != null;
+    }
+
+    public JavaBean2JSONObject() {
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    public Object toJSON(Object source) throws Exception {
+        if (source == null) {
+            return JSONObject.NULL;
+        }
+        Class<?> type = source.getClass();
+        if (isSimpleType(type)) {
+            return source;
+        } else if (type.isArray()) {
+            JSONArray array = new JSONArray();
+            int i1 = Array.getLength(source);
+            for (int j = 0; j < i1; j++) {
+                Object o = Array.get(source, j);
+                array.put(toJSON(o));
+            }
+            return array;
+        } else if (Collection.class.isAssignableFrom(type)) {
+            Collection c = (Collection)source;
+            JSONArray array = new JSONArray();
+            for (Object element : c) {
+                array.put(toJSON(element));
+            }
+            return array;
+        }
+        JSONObject json = new JSONObject();
+        BeanInfo beanInfo = Introspector.getBeanInfo(type);
+        PropertyDescriptor[] propDescs = beanInfo.getPropertyDescriptors();
+        Collections.sort(Arrays.asList(propDescs), COMPARATOR);
+
+        for (int i = 0; i < propDescs.length; i++) {
+            PropertyDescriptor propDesc = propDescs[i];
+            Class<?> pType = propDesc.getPropertyType();
+            if ("class".equals(propDesc.getName())) {
+                continue;
+            }
+            Object pValue = propDesc.getReadMethod().invoke(source, NULL);
+            json.put(propDesc.getName(), toJSON(pValue));
+        }
+        return json;
+
+    }
+
+    public Object transform(Object source, TransformationContext context) {
+        try {
+            return toJSON(source);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java
new file mode 100644
index 0000000000..ff5968bccd
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/String2JSON.java
@@ -0,0 +1,64 @@
+/*
+ * 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.json;
+
+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;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class String2JSON extends BaseTransformer<String, Object> implements PullTransformer<String, Object> {
+
+    @Override
+    protected Class<String> getSourceType() {
+        return String.class;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    public Object transform(String source, TransformationContext context) {
+        try {
+            Class type = null;
+            if (context != null && context.getTargetDataType() != null) {
+                type = context.getTargetDataType().getPhysical();
+            }
+            return JSONHelper.toJSON(source, type);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    @Override
+    public int getWeight() {
+        return 500;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.java
new file mode 100644
index 0000000000..aa75afc9d4
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/XMLStreamReader2JSON.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.json;
+
+import java.io.StringWriter;
+
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+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.xml.XMLStreamSerializer;
+import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamWriter;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class XMLStreamReader2JSON extends BaseTransformer<XMLStreamReader, Object> implements
+    PullTransformer<XMLStreamReader, Object> {
+    
+    @Override
+    protected Class<XMLStreamReader> getSourceType() {
+        return XMLStreamReader.class;
+    }
+
+    @Override
+    protected Class<Object> getTargetType() {
+        return Object.class;
+    }
+
+    public Object transform(XMLStreamReader source, TransformationContext context) {
+        try {
+            StringWriter writer = new StringWriter();
+            XMLStreamWriter jsonWriter = new BadgerFishXMLStreamWriter(writer);
+            XMLStreamSerializer serializer = new XMLStreamSerializer();
+            serializer.serialize(source, jsonWriter);
+            source.close();
+            Class type = null;
+            if (context != null && context.getTargetDataType() != null) {
+                type = context.getTargetDataType().getPhysical();
+            }
+            return JSONHelper.toJSON(writer.toString(), type);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        } 
+    }
+
+    @Override
+    public int getWeight() {
+        return 500;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java
new file mode 100644
index 0000000000..1072b70029
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSON2OMElement.java
@@ -0,0 +1,94 @@
+/*
+ * 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.json.axiom;
+
+
+import org.apache.axiom.om.OMAbstractFactory;
+import org.apache.axiom.om.OMElement;
+import org.apache.axiom.om.OMFactory;
+import org.apache.axiom.om.OMNamespace;
+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.Transformer;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.apache.tuscany.sca.databinding.json.JSONDataBinding;
+import org.apache.tuscany.sca.databinding.json.JSONHelper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.codehaus.jettison.json.JSONObject;
+import org.osoa.sca.annotations.Service;
+
+/**
+ * @version $Rev$ $Date$
+ */
+@Service(Transformer.class)
+public class JSON2OMElement extends BaseTransformer<Object, OMElement> implements PullTransformer<Object, OMElement> {
+
+    private OMFactory factory = OMAbstractFactory.getOMFactory();
+
+    @Override
+    protected Class<Object> getSourceType() {
+        return Object.class;
+    }
+
+    @Override
+    protected Class<OMElement> getTargetType() {
+        return OMElement.class;
+    }
+
+    public OMElement transform(Object source, TransformationContext context) {
+        try {
+            JSONObject json = JSONHelper.toJettison(source);
+            if (json == null) {
+                return null;
+            }
+            String ns = JSONDataBinding.ROOT_ELEMENT.getNamespaceURI();
+            String name = JSONDataBinding.ROOT_ELEMENT.getLocalPart();
+            if (context != null) {
+                DataType<?> dataType = context.getTargetDataType();
+                Object logical = dataType.getLogical();
+                if (logical instanceof XMLType) {
+                    XMLType xmlType = (XMLType)logical;
+                    if (xmlType.isElement()) {
+                        ns = xmlType.getElementName().getNamespaceURI();
+                        name = xmlType.getElementName().getLocalPart();
+                    }
+                }
+            }
+            JSONBadgerfishDataSource ds = new JSONBadgerfishDataSource(json);
+            OMNamespace namespace = factory.createOMNamespace(ns, "");
+            return factory.createOMElement(ds, name, namespace);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    @Override
+    public int getWeight() {
+        return 500;
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java
new file mode 100644
index 0000000000..adc38772be
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONBadgerfishDataSource.java
@@ -0,0 +1,57 @@
+/*
+ * 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.json.axiom;
+
+import javax.xml.stream.XMLStreamException;
+
+import org.codehaus.jettison.badgerfish.BadgerFishXMLStreamReader;
+import org.codehaus.jettison.json.JSONException;
+import org.codehaus.jettison.json.JSONObject;
+
+/**
+ * JSONDataSource keeps the JSON String inside and consumes it when needed. This is to be kept in the
+ * OMSourcedElementImpl and can be used either to expand the tree or get the JSON String directly without expanding.
+ * This uses the "Badgerfish" JSON convention.
+ * 
+ * @version $Rev$ $Date$
+ */
+
+public class JSONBadgerfishDataSource extends JSONDataSource {
+
+    public JSONBadgerfishDataSource(JSONObject json) {
+        super(json);
+    }
+
+    /**
+     * Gives the StAX reader using the "Badgerfish" formatted input JSON String.
+     * 
+     * @return The XMLStreamReader according to the JSON String.
+     * @throws javax.xml.stream.XMLStreamException if there is an error while making the StAX reader.
+     */
+    @Override
+    public javax.xml.stream.XMLStreamReader getReader() throws XMLStreamException {
+        try {
+            return new BadgerFishXMLStreamReader(json);
+        } catch (JSONException e) {
+            throw new XMLStreamException(e);
+        }
+
+    }
+}
diff --git a/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java
new file mode 100644
index 0000000000..5b0312056e
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/axiom/JSONDataSource.java
@@ -0,0 +1,176 @@
+/*
+ * 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.json.axiom;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.axiom.om.OMDataSource;
+import org.apache.axiom.om.OMException;
+import org.apache.axiom.om.OMOutputFormat;
+import org.codehaus.jettison.json.JSONObject;
+import org.codehaus.jettison.json.JSONTokener;
+import org.codehaus.jettison.mapped.MappedXMLInputFactory;
+
+/**
+ * JSONDataSource keeps the JSON String inside and consumes it when needed. This is to be kept in the
+ * OMSourcedElementImpl and can be used either to expand the tree or get the JSON String directly without expanding.
+ * This uses the "Mapped" JSON convention.
+ *
+ * @version $Rev$ $Date$
+ */
+
+public class JSONDataSource implements OMDataSource {
+    protected JSONObject json;
+
+    public JSONDataSource(JSONObject json) {
+        this.json = json;
+    }
+
+    /**
+     * Writes JSON into the output stream. As this should write JSON, it directly gets the JSON string and writes it
+     * without expanding the tree.
+     * 
+     * @param outputStream the stream to be written into
+     * @param omOutputFormat format of the message, this is ignored.
+     * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message in to the output
+     *             stream.
+     */
+    public void serialize(OutputStream outputStream, OMOutputFormat omOutputFormat)
+        throws javax.xml.stream.XMLStreamException {
+        try {
+            String encoding = omOutputFormat == null ? "UTF-8" : omOutputFormat.getCharSetEncoding();
+            outputStream.write(getJSONString().getBytes(encoding));
+        } catch (IOException e) {
+            throw new OMException();
+        }
+    }
+
+    /**
+     * Writes JSON through the writer. As this should write JSON, it directly gets the JSON string and writes it without
+     * expanding the tree.
+     * 
+     * @param writer Writer to be written into
+     * @param omOutputFormat format of the message, this is ignored.
+     * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message through the writer.
+     */
+    public void serialize(Writer writer, OMOutputFormat omOutputFormat) throws javax.xml.stream.XMLStreamException {
+        try {
+            writer.write(getJSONString());
+        } catch (IOException e) {
+            throw new OMException();
+        }
+    }
+
+    /**
+     * Writes XML through the XMLStreamWriter. As the input data source is JSON, this method needs to get a StAX reader
+     * from that JSON String. Therefore this uses the getReader() method to get the StAX reader writes the events into
+     * the XMLStreamWriter.
+     * 
+     * @param xmlStreamWriter StAX writer to be written into
+     * @throws javax.xml.stream.XMLStreamException if there is an error while writing the message through the StAX
+     *             writer.
+     */
+    public void serialize(javax.xml.stream.XMLStreamWriter xmlStreamWriter) throws javax.xml.stream.XMLStreamException {
+        XMLStreamReader reader = getReader();
+        xmlStreamWriter.writeStartDocument();
+        while (reader.hasNext()) {
+            int x = reader.next();
+            switch (x) {
+                case XMLStreamConstants.START_ELEMENT:
+                    xmlStreamWriter.writeStartElement(reader.getPrefix(), reader.getLocalName(), reader
+                        .getNamespaceURI());
+                    int namespaceCount = reader.getNamespaceCount();
+                    for (int i = namespaceCount - 1; i >= 0; i--) {
+                        xmlStreamWriter.writeNamespace(reader.getNamespacePrefix(i), reader.getNamespaceURI(i));
+                    }
+                    int attributeCount = reader.getAttributeCount();
+                    for (int i = 0; i < attributeCount; i++) {
+                        xmlStreamWriter.writeAttribute(reader.getAttributePrefix(i),
+                                                       reader.getAttributeNamespace(i),
+                                                       reader.getAttributeLocalName(i),
+                                                       reader.getAttributeValue(i));
+                    }
+                    break;
+                case XMLStreamConstants.START_DOCUMENT:
+                    break;
+                case XMLStreamConstants.CHARACTERS:
+                    xmlStreamWriter.writeCharacters(reader.getText());
+                    break;
+                case XMLStreamConstants.CDATA:
+                    xmlStreamWriter.writeCData(reader.getText());
+                    break;
+                case XMLStreamConstants.END_ELEMENT:
+                    xmlStreamWriter.writeEndElement();
+                    break;
+                case XMLStreamConstants.END_DOCUMENT:
+                    xmlStreamWriter.writeEndDocument();
+                    break;
+                case XMLStreamConstants.SPACE:
+                    break;
+                case XMLStreamConstants.COMMENT:
+                    xmlStreamWriter.writeComment(reader.getText());
+                    break;
+                case XMLStreamConstants.DTD:
+                    xmlStreamWriter.writeDTD(reader.getText());
+                    break;
+                case XMLStreamConstants.PROCESSING_INSTRUCTION:
+                    xmlStreamWriter.writeProcessingInstruction(reader.getPITarget(), reader.getPIData());
+                    break;
+                case XMLStreamConstants.ENTITY_REFERENCE:
+                    xmlStreamWriter.writeEntityRef(reader.getLocalName());
+                    break;
+                default:
+                    throw new OMException();
+            }
+        }
+        xmlStreamWriter.writeEndDocument();
+    }
+
+    /**
+     * Gives the StAX reader using the "Mapped" formatted input JSON String.
+     * 
+     * @return The XMLStreamReader according to the JSON String.
+     * @throws javax.xml.stream.XMLStreamException if there is an error while making the StAX reader.
+     */
+
+    public javax.xml.stream.XMLStreamReader getReader() throws javax.xml.stream.XMLStreamException {
+
+        Map<String, String> nsMap = new HashMap<String, String>();
+        nsMap.put("", "");
+
+        // input factory for "Mapped" convention
+        MappedXMLInputFactory inputFactory = new MappedXMLInputFactory(nsMap);
+        String jsonString = this.getJSONString();
+        return inputFactory.createXMLStreamReader(new JSONTokener(jsonString));
+    }
+
+    // returns the json string by consuming the JSON input stream.
+    protected String getJSONString() {
+        return json.toString();
+    }
+
+}
diff --git a/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.DataBinding b/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.DataBinding
new file mode 100644
index 0000000000..b0baaeb398
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.DataBinding
@@ -0,0 +1,19 @@
+# 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 databindings
+org.apache.tuscany.sca.databinding.json.JSONDataBinding;type=JSON,name=json
\ No newline at end of file
diff --git a/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer b/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer
new file mode 100644
index 0000000000..4ce2f2342a
--- /dev/null
+++ b/java/sca/modules/databinding-json/src/main/resources/META-INF/services/org.apache.tuscany.sca.databinding.PullTransformer
@@ -0,0 +1,29 @@
+# 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.json.JSON2XMLStreamReader;source=JSON,target=javax.xml.stream.XMLStreamReader,weight=5000
+org.apache.tuscany.sca.databinding.json.XMLStreamReader2JSON;source=javax.xml.stream.XMLStreamReader,target=JSON,weight=5000,public=false
+org.apache.tuscany.sca.databinding.json.JavaBean2JSON;source=java:complexType,target=JSON,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JavaBean2JSON;source=java:simpleType,target=JSON,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.axiom.JSON2OMElement;source=JSON,target=org.apache.axiom.om.OMElement,weight=500
+org.apache.tuscany.sca.databinding.json.JavaBean2JSON;source=java:array,target=JSON,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JavaBean2JSON;source=commonj.sdo.DataObject,target=JSON,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JavaBean2JSON;source=javax.xml.bind.JAXBElement,target=JSON,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JSON2JavaBean;source=JSON,target=java:complexType,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JSON2JavaBean;source=JSON,target=commonj.sdo.DataObject,weight=80000,public=false
+org.apache.tuscany.sca.databinding.json.JSON2JavaBean;source=JSON,target=javax.xml.bind.JAXBElement,weight=80000,public=false