From 6fadbc9cd1fcf03d0b3630f772d91df149b70428 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 11 Nov 2009 23:07:19 +0000
Subject: Moving 1.x branches

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835123 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/databinding/jaxb/JAXBDataBinding.java      | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 sca-java-1.x/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBDataBinding.java

(limited to 'sca-java-1.x/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBDataBinding.java')

diff --git a/sca-java-1.x/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBDataBinding.java b/sca-java-1.x/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBDataBinding.java
new file mode 100644
index 0000000000..9706ffdc21
--- /dev/null
+++ b/sca-java-1.x/branches/sca-java-1.0.1/modules/databinding-jaxb/src/main/java/org/apache/tuscany/sca/databinding/jaxb/JAXBDataBinding.java
@@ -0,0 +1,114 @@
+/*
+ * 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.annotation.Annotation;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBElement;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.databinding.ExceptionHandler;
+import org.apache.tuscany.sca.databinding.impl.BaseDataBinding;
+import org.apache.tuscany.sca.databinding.impl.DOMHelper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.w3c.dom.Document;
+
+/**
+ * JAXB DataBinding
+ */
+public class JAXBDataBinding extends BaseDataBinding {
+    public static final String NAME = JAXBElement.class.getName();
+    public static final String[] ALIASES = new String[] {"jaxb"};
+
+    public static final String ROOT_NAMESPACE = "http://tuscany.apache.org/xmlns/sca/databinding/jaxb/1.0";
+    public static final QName ROOT_ELEMENT = new QName(ROOT_NAMESPACE, "root");
+
+    public JAXBDataBinding() {
+        super(NAME, ALIASES, JAXBElement.class);
+    }
+
+    @Override
+    public boolean introspect(DataType dataType, Annotation[] annotations) {
+        Object physical = dataType.getPhysical();
+        if (!(physical instanceof Class)) {
+            return false;
+        }
+        Class javaType = (Class)physical;
+        if (JAXBElement.class.isAssignableFrom(javaType)) {
+            Type type = javaType.getGenericSuperclass();
+            if (type instanceof ParameterizedType) {
+                ParameterizedType parameterizedType = ((ParameterizedType)type);
+                Type rawType = parameterizedType.getRawType();
+                if (rawType == JAXBElement.class) {
+                    Type actualType = parameterizedType.getActualTypeArguments()[0];
+                    if (actualType instanceof Class) {
+                        XMLType xmlType = JAXBContextHelper.getXmlTypeName((Class)actualType);
+                        dataType.setLogical(xmlType);
+                        dataType.setDataBinding(getName());
+                        return true;
+                    }
+                }
+            }
+            dataType.setLogical(XMLType.UNKNOWN);
+            dataType.setDataBinding(getName());
+            return true;
+        }
+
+        XMLType xmlType = JAXBContextHelper.getXmlTypeName(javaType);
+        if (xmlType == null) {
+            return false;
+        }
+        dataType.setLogical(xmlType);
+        dataType.setDataBinding(getName());
+        return true;
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public Object copy(Object arg) {
+        try {
+            boolean isElement = false;
+            Class cls = arg.getClass();
+            if (arg instanceof JAXBElement) {
+                isElement = true;
+                cls = ((JAXBElement)arg).getDeclaredType();
+            } else {
+                arg = new JAXBElement(ROOT_ELEMENT, Object.class, arg);
+            }
+            JAXBContext context = JAXBContext.newInstance(cls);
+            Document doc = DOMHelper.newDocument();
+            context.createMarshaller().marshal(arg, doc);
+            JAXBElement<?> element = context.createUnmarshaller().unmarshal(doc, cls);
+            return isElement ? element : element.getValue();
+        } catch (Exception e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+
+    @Override
+    public ExceptionHandler getExceptionHandler() {
+        return new JAXBExceptionHandler();
+    }
+
+}
-- 
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