1 files changed, 167 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java
new file mode 100644
index 0000000000..9b0c0dc8dc
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java
@@ -0,0 +1,167 @@
+/*
+ * 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.jaxb;
+
+import java.lang.reflect.Method;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.WrapperHandler;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.Operation;
+import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
+import org.apache.tuscany.sca.interfacedef.util.WrapperInfo;
+
+/**
+ * JAXB WrapperHandler implementation
+ *
+ * @version $Rev$ $Date$
+ */
+public class JAXBWrapperHandler implements WrapperHandler<Object> {
+    private JAXBWrapperHelper helper = new JAXBWrapperHelper();
+
+    public Object create(Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        ElementInfo element = input ? inputWrapperInfo.getWrapperElement() : outputWrapperInfo.getWrapperElement();
+        final Class<?> wrapperClass = input ? inputWrapperInfo.getWrapperClass() : outputWrapperInfo.getWrapperClass();
+        
+        try {
+            if (wrapperClass == null) {
+                return null;
+            }
+            return AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                public Object run() throws Exception {
+                    return wrapperClass.newInstance();
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    public void setChildren(Object wrapper, Object[] childObjects, Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        List<ElementInfo> childElements =
+            input ? inputWrapperInfo.getChildElements() : outputWrapperInfo.getChildElements();
+            
+        List<String> childNames = new ArrayList<String>();
+        Map<String, Object> values = new HashMap<String, Object>();
+        for (int i = 0; i < childElements.size(); i++) {
+            ElementInfo e = childElements.get(i);
+            String name = e.getQName().getLocalPart();
+            childNames.add(name);
+            values.put(name, childObjects[i]);
+        }
+        // Get the property descriptor map
+        Map<String, JAXBPropertyDescriptor> pdMap = null;
+        try {
+            pdMap = XMLRootElementUtil.createPropertyDescriptorMap(wrapper.getClass());
+        } catch (Throwable t) {
+            throw new JAXBWrapperException(t);
+        }
+        helper.wrap(wrapper, childNames, values, pdMap);
+    }
+
+    public void setChild(Object wrapper, int i, ElementInfo childElement, Object value) {
+        Object wrapperValue = wrapper;
+        Class<?> wrapperClass = wrapperValue.getClass();
+
+        // FIXME: We probably should use the jaxb-reflection to handle the properties
+        try {
+            String prop = childElement.getQName().getLocalPart();
+            boolean collection = (value instanceof Collection);
+            Method getter = null;
+            for (Method m : wrapperClass.getMethods()) {
+                Class<?>[] paramTypes = m.getParameterTypes();
+                if (paramTypes.length == 1 && m.getName().equals("set" + capitalize(prop))) {
+                    m.invoke(wrapperValue, new Object[] {value});
+                    return;
+                }
+                if (collection && paramTypes.length == 0 && m.getName().equals("get" + capitalize(prop))) {
+                    getter = m;
+                }
+            }
+            if (getter != null && Collection.class.isAssignableFrom(getter.getReturnType())) {
+                ((Collection)getter.invoke(wrapperValue)).addAll((Collection)value);
+            }
+
+        } catch (Throwable e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    private static String capitalize(String name) {
+        char first = Character.toUpperCase(name.charAt(0));
+        return first + name.substring(1);
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#getChildren(java.lang.Object, Operation, boolean)
+     */
+    public List getChildren(Object wrapper, Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        List<ElementInfo> childElements = input? inputWrapperInfo.getChildElements():
+            outputWrapperInfo.getChildElements();
+
+        List<String> childNames = new ArrayList<String>();
+        for (ElementInfo e : childElements) {
+            childNames.add(e.getQName().getLocalPart());
+        }
+        return Arrays.asList(helper.unwrap(wrapper, childNames));
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(Operation, boolean)
+     */
+    public DataType getWrapperType(Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        DataType dt = input ? inputWrapperInfo.getWrapperType() : outputWrapperInfo.getWrapperType();
+        return dt;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#isInstance(java.lang.Object, Operation, boolean)
+     */
+    public boolean isInstance(Object wrapper, Operation operation, boolean input) {
+        WrapperInfo inputWrapperInfo = operation.getInputWrapper();
+        WrapperInfo outputWrapperInfo = operation.getOutputWrapper();
+        
+        Class<?> wrapperClass =
+            input ? inputWrapperInfo.getWrapperClass() : outputWrapperInfo.getWrapperClass();
+            
+        return wrapperClass == null ? false : wrapperClass.isInstance(wrapper);
+    }
+}