1 files changed, 175 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java b/sca-java-1.x/branches/sca-java-1.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java
new file mode 100644
index 0000000000..c3e97a4818
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBWrapperHandler.java
@@ -0,0 +1,175 @@
+/*
+ * 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.util.ArrayList;
+import java.util.List;
+
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.annotation.XmlElementDecl;
+import javax.xml.bind.annotation.XmlRegistry;
+import javax.xml.bind.annotation.XmlType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.databinding.TransformationContext;
+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.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+
+/**
+ * JAXB WrapperHandler implementation
+ */
+public class JAXBWrapperHandler implements WrapperHandler<JAXBElement<?>> {
+
+    public JAXBElement<?> create(ElementInfo element, TransformationContext context) {
+        try {
+            // FIXME: How do we map the global element to a factory?
+            String packageName = null;
+            String factoryClassName = packageName + ".ObjectFactory";
+            ClassLoader classLoader = context != null ? context.getClassLoader() : null;
+            if (classLoader == null) {
+                //FIXME Understand why we need this, the classloader should be passed in
+                classLoader = Thread.currentThread().getContextClassLoader();
+            }
+            Class<?> factoryClass = Class.forName(factoryClassName, true, classLoader);
+            assert factoryClass.isAnnotationPresent(XmlRegistry.class);
+            Object factory = factoryClass.newInstance();
+            QName elementName = element.getQName();
+            Method method = null;
+            for (Method m : factoryClass.getMethods()) {
+                XmlElementDecl xmlElement = m.getAnnotation(XmlElementDecl.class);
+                QName name = new QName(xmlElement.namespace(), xmlElement.name());
+                if (xmlElement != null && name.equals(elementName)) {
+                    method = m;
+                    break;
+                }
+            }
+            if (method != null) {
+                Class typeClass = method.getParameterTypes()[0];
+                Object value = typeClass.newInstance();
+                return (JAXBElement<?>)method.invoke(factory, new Object[] {value});
+            } else {
+                throw new TransformationException("ObjectFactory cannot be resolved.");
+            }
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    public void setChild(JAXBElement<?> wrapper, int i, ElementInfo childElement, Object value) {
+        Object wrapperValue = wrapper.getValue();
+        Class<?> wrapperClass = wrapperValue.getClass();
+
+        XmlType xmlType = wrapperClass.getAnnotation(XmlType.class);
+        String[] properties = xmlType.propOrder();
+        String property = properties[i];
+
+        try {
+            for (Method m : wrapperClass.getMethods()) {
+                if (m.getName().equals("set" + capitalize(property))) {
+                    m.invoke(wrapperValue, new Object[] {value});
+                    return;
+                }
+            }
+        } 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, List, TransformationContext)
+     */
+    public List getChildren(JAXBElement<?> wrapper, List<ElementInfo> childElements, TransformationContext context) {
+        Object wrapperValue = wrapper.getValue();
+        Class<?> wrapperClass = wrapperValue.getClass();
+
+        XmlType xmlType = wrapperClass.getAnnotation(XmlType.class);
+        String[] properties = xmlType.propOrder();
+        List<Object> elements = new ArrayList<Object>();
+        for (String p : properties) {
+            try {
+                Method method = wrapperClass.getMethod("get" + capitalize(p), (Class[])null);
+                Object value = method.invoke(wrapperValue, (Object[])null);
+                elements.add(value);
+            } catch (Throwable e) {
+                throw new TransformationException(e);
+            }
+        }
+        return elements;
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#getWrapperType(org.apache.tuscany.sca.interfacedef.util.ElementInfo, List, org.apache.tuscany.sca.databinding.TransformationContext)
+     */
+    public DataType getWrapperType(ElementInfo element, List<ElementInfo> childElements, TransformationContext context) {
+        try {
+            // FIXME: How do we map the global element to a factory?
+            String packageName = null;
+            String factoryClassName = packageName + ".ObjectFactory";
+            ClassLoader classLoader = context != null ? context.getClassLoader() : null;
+            if (classLoader == null) {
+                //FIXME Understand why we need this, the classloader should be passed in
+                classLoader = Thread.currentThread().getContextClassLoader();
+            }
+            Class<?> factoryClass = Class.forName(factoryClassName, true, classLoader);
+            assert factoryClass.isAnnotationPresent(XmlRegistry.class);
+            QName elementName = element.getQName();
+            Method method = null;
+            for (Method m : factoryClass.getMethods()) {
+                XmlElementDecl xmlElement = m.getAnnotation(XmlElementDecl.class);
+                QName name = new QName(xmlElement.namespace(), xmlElement.name());
+                if (xmlElement != null && name.equals(elementName)) {
+                    method = m;
+                    break;
+                }
+            }
+            if (method != null) {
+                Class typeClass = method.getParameterTypes()[0];
+                DataType<XMLType> wrapperType =
+                    new DataTypeImpl<XMLType>(JAXBDataBinding.NAME, typeClass, new XMLType(element));
+                return wrapperType;
+            }
+
+            return null;
+        } catch (Throwable e) {
+            return null;
+        }
+    }
+
+    /**
+     * @see org.apache.tuscany.sca.databinding.WrapperHandler#isInstance(java.lang.Object, org.apache.tuscany.sca.interfacedef.util.ElementInfo, java.util.List, org.apache.tuscany.sca.databinding.TransformationContext)
+     */
+    public boolean isInstance(Object wrapper,
+                              ElementInfo element,
+                              List<ElementInfo> childElements,
+                              TransformationContext context) {
+        // TODO: Implement the logic
+        return true;
+    }
+}