Update jackson and jettision to latest versions

Add more transformers

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@928344 13f79535-47bb-0310-9956-ffa450edef68

9 files changed, 658 insertions, 7 deletions

diff --git a/sca-java-2.x/trunk/distribution/all/src/main/release/bin/LICENSE b/sca-java-2.x/trunk/distribution/all/src/main/release/bin/LICENSE
index 30f62e933a..25e31a928c 100644
--- a/sca-java-2.x/trunk/distribution/all/src/main/release/bin/LICENSE
+++ b/sca-java-2.x/trunk/distribution/all/src/main/release/bin/LICENSE
@@ -274,9 +274,10 @@ The following components come under Apache Software License 2.0
  httpcore-4.0.1.jar

  httpcore-nio-4.0.1.jar

  jabsorb-1.3.1.jar

- jackson-core-asl-1.2.1.jar

- jackson-mapper-asl-1.2.1.jar

- jettison-1.1.jar

+ jackson-core-asl-1.5.0.jar

+ jackson-mapper-asl-1.5.0.jar

+ jackson-xc-1.5.0.jar

+ jettison-1.2.jar

  jetty-6.1.19.jar

  jetty-util-6.1.19.jar

  juli-6.0.26.jar

diff --git a/sca-java-2.x/trunk/modules/binding-jsonp-runtime/pom.xml b/sca-java-2.x/trunk/modules/binding-jsonp-runtime/pom.xml
index b05c46a8f4..efbd38ce74 100644
--- a/sca-java-2.x/trunk/modules/binding-jsonp-runtime/pom.xml
+++ b/sca-java-2.x/trunk/modules/binding-jsonp-runtime/pom.xml
@@ -44,12 +44,12 @@
         <dependency>
             <groupId>org.codehaus.jackson</groupId>
             <artifactId>jackson-core-asl</artifactId>
-            <version>1.2.1</version>
+            <version>1.5.0</version>
         </dependency>
         <dependency>
             <groupId>org.codehaus.jackson</groupId>
             <artifactId>jackson-mapper-asl</artifactId>
-            <version>1.2.1</version>
+            <version>1.5.0</version>
         </dependency>
 
         <dependency>
diff --git a/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java b/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java
new file mode 100644
index 0000000000..dcd3c3fda3
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Collection2CollectionTransformer.java
@@ -0,0 +1,108 @@
+/*
+ * 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.core.databinding.transformers;
+
+import java.util.Collection;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.databinding.BaseTransformer;
+import org.apache.tuscany.sca.databinding.Mediator;
+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.interfacedef.DataType;
+
+/**
+ * This is a special transformer to transform the output from one IDL to the
+ * other one
+ *
+ * @version $Rev$ $Date$
+ */
+public class Collection2CollectionTransformer extends BaseTransformer<Collection, Collection> implements
+    PullTransformer<Collection, Collection> {
+
+    private static final String JAVA_COLLECTION = "java:collection";
+    protected Mediator mediator;
+
+    public Collection2CollectionTransformer(ExtensionPointRegistry registry) {
+        super();
+        this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class);
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JAVA_COLLECTION;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JAVA_COLLECTION;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType()
+     */
+    @Override
+    protected Class<Collection> getSourceType() {
+        return Collection.class;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType()
+     */
+    @Override
+    protected Class<Collection> getTargetType() {
+        return Collection.class;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.Transformer#getWeight()
+     */
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+    @SuppressWarnings("unchecked")
+    public Collection transform(Collection sourceCollection, TransformationContext context) {
+        try {
+            if (sourceCollection == null) {
+                return null;
+            }
+            DataType<DataType> sourceType = context.getSourceDataType();
+            DataType<DataType> targetType = context.getTargetDataType();
+            Collection targetCollection = createCollection(targetType.getPhysical());
+            for (Object sourceItem : sourceCollection) {
+                Object targetItem =
+                    mediator.mediate(sourceItem, sourceType.getLogical(), targetType.getLogical(), context
+                        .getMetadata());
+                targetCollection.add(targetItem);
+            }
+            return targetCollection;
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    private Collection createCollection(Class<?> collectionClass) throws Exception {
+        return (Collection) collectionClass.newInstance();
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java b/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java
new file mode 100644
index 0000000000..5be7ba1da4
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Map2MapTransformer.java
@@ -0,0 +1,108 @@
+/*
+ * 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.core.databinding.transformers;
+
+import java.util.Map;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+import org.apache.tuscany.sca.databinding.BaseTransformer;
+import org.apache.tuscany.sca.databinding.Mediator;
+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.interfacedef.DataType;
+
+/**
+ * This is a special transformer to transform the output from one IDL to the
+ * other one
+ *
+ * @version $Rev$ $Date$
+ */
+public class Map2MapTransformer extends BaseTransformer<Map, Map> implements PullTransformer<Map, Map> {
+
+    private static final String JAVA_MAP = "java:map";
+    protected Mediator mediator;
+
+    public Map2MapTransformer(ExtensionPointRegistry registry) {
+        super();
+        this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class);
+    }
+
+    @Override
+    public String getSourceDataBinding() {
+        return JAVA_MAP;
+    }
+
+    @Override
+    public String getTargetDataBinding() {
+        return JAVA_MAP;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.BaseTransformer#getSourceType()
+     */
+    @Override
+    protected Class<Map> getSourceType() {
+        return Map.class;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.BaseTransformer#getTargetType()
+     */
+    @Override
+    protected Class<Map> getTargetType() {
+        return Map.class;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.Transformer#getWeight()
+     */
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+    @SuppressWarnings("unchecked")
+    public Map transform(Map sourceMap, TransformationContext context) {
+        try {
+            if (sourceMap == null) {
+                return null;
+            }
+            DataType<DataType> sourceType = context.getSourceDataType();
+            DataType<DataType> targetType = context.getTargetDataType();
+            Map targetMap = createMap(targetType.getPhysical());
+            for (Object sourceItem : sourceMap.entrySet()) {
+                Map.Entry entry = (Map.Entry)sourceItem;
+                Object targetValue =
+                    mediator.mediate(entry.getValue(), sourceType.getLogical(), targetType.getLogical(), context
+                        .getMetadata());
+                targetMap.put(entry.getKey(), targetValue);
+            }
+            return targetMap;
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    private Map createMap(Class<?> collectionClass) throws Exception {
+        return (Map)collectionClass.newInstance();
+    }
+
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-json/pom.xml b/sca-java-2.x/trunk/modules/databinding-json/pom.xml
index 4d600358f0..fb183f6a4b 100644
--- a/sca-java-2.x/trunk/modules/databinding-json/pom.xml
+++ b/sca-java-2.x/trunk/modules/databinding-json/pom.xml
@@ -46,7 +46,23 @@
             <artifactId>tuscany-databinding</artifactId>
             <version>2.0-SNAPSHOT</version>
         </dependency>
-
+        
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-core-asl</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-mapper-asl</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+        <dependency>
+            <groupId>org.codehaus.jackson</groupId>
+            <artifactId>jackson-xc</artifactId>
+            <version>1.5.0</version>
+        </dependency>
+        
         <dependency>
             <groupId>org.jabsorb</groupId>
             <artifactId>jabsorb</artifactId>
@@ -56,7 +72,7 @@
         <dependency>
             <groupId>org.codehaus.jettison</groupId>
             <artifactId>jettison</artifactId>
-            <version>1.1</version>
+            <version>1.2</version>
             <scope>compile</scope>
             <exclusions>
                 <exclusion>
diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java
new file mode 100644
index 0000000000..43dfc52975
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/JSON2Object.java
@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.databinding.json.jackson;
+
+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 org.apache.tuscany.sca.databinding.json.JSONDataBinding;
+import org.codehaus.jackson.JsonNode;
+import org.codehaus.jackson.JsonParser;
+import org.codehaus.jackson.map.AnnotationIntrospector;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector;
+import org.codehaus.jackson.map.type.TypeFactory;
+import org.codehaus.jackson.type.JavaType;
+import org.codehaus.jackson.xc.JaxbAnnotationIntrospector;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JSON2Object implements PullTransformer<Object, Object> {
+    private ObjectMapper mapper;
+
+    public JSON2Object() {
+        super();
+        mapper = new ObjectMapper();
+        AnnotationIntrospector primary = new JacksonAnnotationIntrospector();
+        AnnotationIntrospector secondary = new JaxbAnnotationIntrospector();
+        AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary);
+        mapper.getDeserializationConfig().setAnnotationIntrospector(pair);
+        mapper.getSerializationConfig().setAnnotationIntrospector(pair);
+    }
+
+    public Object transform(Object source, TransformationContext context) {
+        if (source == null) {
+            return null;
+        }
+
+        try {
+            JavaType javaType = TypeFactory.type(context.getTargetDataType().getGenericType());
+            if (source instanceof String) {
+                return mapper.readValue((String)source, javaType);
+            } else if (source instanceof JsonNode) {
+                return mapper.treeToValue((JsonNode)source, context.getTargetDataType().getPhysical());
+            } else if (source instanceof JsonParser) {
+                return mapper.readValue((JsonParser)source, javaType);
+            }
+            return null;
+        } 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/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.java
new file mode 100644
index 0000000000..340cf99f37
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSON.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.json.jackson;
+
+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 org.apache.tuscany.sca.databinding.json.JSONDataBinding;
+import org.codehaus.jackson.map.AnnotationIntrospector;
+import org.codehaus.jackson.map.ObjectMapper;
+import org.codehaus.jackson.map.introspect.JacksonAnnotationIntrospector;
+import org.codehaus.jackson.xc.JaxbAnnotationIntrospector;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class Object2JSON implements PullTransformer<Object, Object> {
+    private ObjectMapper mapper;
+
+    public Object2JSON() {
+        super();
+        mapper = new ObjectMapper();
+        AnnotationIntrospector primary = new JacksonAnnotationIntrospector();
+        AnnotationIntrospector secondary = new JaxbAnnotationIntrospector();
+        AnnotationIntrospector pair = new AnnotationIntrospector.Pair(primary, secondary);
+        mapper.getDeserializationConfig().setAnnotationIntrospector(pair);
+        mapper.getSerializationConfig().setAnnotationIntrospector(pair);
+    }
+
+    public Object transform(Object source, TransformationContext context) {
+        if (source == null) {
+            return null;
+        }
+
+        try {
+            return mapper.writeValueAsString(source);
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    public String getSourceDataBinding() {
+        return JavaBeansDataBinding.NAME;
+    }
+
+    public String getTargetDataBinding() {
+        return JSONDataBinding.NAME;
+    }
+
+    public int getWeight() {
+        return 5000;
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonTestCase.java b/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonTestCase.java
new file mode 100644
index 0000000000..5254ca7742
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/JacksonTestCase.java
@@ -0,0 +1,95 @@
+/*
+ * 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.jackson;
+
+import java.lang.reflect.Array;
+
+import junit.framework.Assert;
+
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.impl.TransformationContextImpl;
+import org.apache.tuscany.sca.databinding.json.MyBean;
+import org.apache.tuscany.sca.databinding.json.MyInterface;
+import org.apache.tuscany.sca.databinding.json.MyInterfaceImpl;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.junit.Test;
+
+public class JacksonTestCase  {
+    public void testPOJO() throws Exception {
+        MyBean bean = new MyBean();
+        bean.setName("Test");
+        bean.setAge(20);
+        bean.getNotes().add("1");
+        bean.getNotes().add("2");
+        bean.getMap().put("1", 1);
+        MyInterface service = new MyInterfaceImpl();
+        service.setId("ID001");
+        bean.setService(service);
+        bean.setOtherService(service);
+
+        roundTrip(bean);
+    }
+
+    private <T> void roundTrip(T bean) {
+        Object2JSON t1 = new Object2JSON();
+
+        Object json = t1.transform(bean, null);
+        System.out.println(json);
+        JSON2Object t2 = new JSON2Object();
+
+        TransformationContext context = new TransformationContextImpl();
+        context.setTargetDataType(new DataTypeImpl(bean == null ? Object.class : bean.getClass(), null));
+        Object newBean = t2.transform(json, context);
+
+        if (newBean != null && newBean.getClass().isArray()) {
+            int len = Array.getLength(newBean);
+            Assert.assertEquals(Array.getLength(bean), len);
+            for (int i = 0; i < len; i++) {
+            	Assert.assertEquals(Array.get(bean, i), Array.get(newBean, i));
+            }
+            return;
+        }
+        Assert.assertEquals(bean, newBean);
+    }
+
+    @Test
+    public void testString() throws Exception {
+        roundTrip("ABC");
+    }
+
+    @Test
+    public void testNull() throws Exception {
+        roundTrip(null);
+    }
+
+    @Test
+    public void testArray() throws Exception {
+        roundTrip(new String[] {"123", "ABC"});
+    }
+
+    @Test
+    public void testByteArray() throws Exception {
+        roundTrip("ABC".getBytes());
+    }
+
+    @Test
+    public void testPrimitive() throws Exception {
+        roundTrip(123);
+    }
+}
diff --git a/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSONTestCase.java b/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSONTestCase.java
new file mode 100644
index 0000000000..b401e7012d
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/databinding-json/src/test/java/org/apache/tuscany/sca/databinding/json/jackson/Object2JSONTestCase.java
@@ -0,0 +1,169 @@
+/*
+ * 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.jackson;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import junit.framework.Assert;
+
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.impl.TransformationContextImpl;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.junit.Test;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class Object2JSONTestCase {
+
+    public static class MyBean {
+        private String name;
+        private int age;
+        private boolean vip;
+        private String friends[];
+        private List<String> books;
+        private YourBean you;
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        public int getAge() {
+            return age;
+        }
+
+        public void setAge(int age) {
+            this.age = age;
+        }
+
+        public boolean isVip() {
+            return vip;
+        }
+
+        public void setVip(boolean vip) {
+            this.vip = vip;
+        }
+
+        public String[] getFriends() {
+            return friends;
+        }
+
+        public void setFriends(String[] friends) {
+            this.friends = friends;
+        }
+
+        public List<String> getBooks() {
+            return books;
+        }
+
+        public void setBooks(List<String> books) {
+            this.books = books;
+        }
+
+        public YourBean getYou() {
+            return you;
+        }
+
+        public void setYou(YourBean you) {
+            this.you = you;
+        }
+
+    }
+
+    public static class YourBean {
+        private int id;
+        private String name;
+
+        public int getId() {
+            return id;
+        }
+
+        public void setId(int id) {
+            this.id = id;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+    }
+
+    @Test
+    public void testBean2JSON() throws Exception {
+        MyBean me = new MyBean();
+        me.setAge(30);
+        me.setBooks(new ArrayList<String>());
+        me.setFriends(new String[] {"John", "Mike"});
+        me.setVip(true);
+        me.setName("Me");
+        YourBean you = new YourBean();
+        you.setId(123);
+        you.setName(null);
+        me.setYou(you);
+        Object2JSON t1 = new Object2JSON();
+        Object result = t1.transform(me, null);
+        System.out.println(result);
+        JSON2Object t2 = new JSON2Object();
+        TransformationContext context = new TransformationContextImpl();
+        context.setTargetDataType(new DataTypeImpl(MyBean.class, null));
+        Object v = t2.transform(result.toString(), context);
+        Assert.assertTrue(v instanceof MyBean);
+        //        String json =
+        //            "{\"age\":30,\"books\":[],\"friends\":[\"John\",\"Mike\"],\"name\":\"Me\",\"vip\":true,\"you\":{\"id\":123,\"name\":null}}";
+        //        Assert.assertEquals(json, result.toString());
+    }
+
+    @Test
+    public void testString2JSON() throws Exception {
+        Object2JSON t1 = new Object2JSON();
+        Object result = t1.transform("ABC", null);
+        System.out.println(result);
+        JSON2Object t2 = new JSON2Object();
+        TransformationContext context = new TransformationContextImpl();
+        context.setTargetDataType(new DataTypeImpl(String.class, null));
+        Object v = t2.transform(result, context);
+        Assert.assertTrue(v instanceof String);
+        Assert.assertEquals("ABC", v);
+    }
+
+    @Test
+    public void testStringArray2JSON() throws Exception {
+        Object2JSON t1 = new Object2JSON();
+        Object result = t1.transform(new String[] {"ABC", "DF"}, null);
+        System.out.println(result);
+        JSON2Object t2 = new JSON2Object();
+        TransformationContext context = new TransformationContextImpl();
+        context.setTargetDataType(new DataTypeImpl(String[].class, null));
+        Object v = t2.transform(result, context);
+        Assert.assertTrue(v instanceof String[]);
+        String[] strs = (String[])v;
+        Assert.assertEquals("ABC", strs[0]);
+        Assert.assertEquals("DF", strs[1]);
+    }
+
+}