1 files changed, 139 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.6.2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java b/sca-java-1.x/branches/sca-java-1.6.2/modules/databinding-json/src/main/java/org/apache/tuscany/sca/databinding/json/JavaBean2JSONObject.java
new file mode 100644
index 0000000000..de023157bc
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.6.2/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);
+        }
+    }
+
+}