1 files changed, 128 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java
new file mode 100644
index 0000000000..0dacce996f
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java
@@ -0,0 +1,128 @@
+/*
+ * 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.axiom;
+
+import java.io.OutputStream;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.security.AccessController;
+import java.security.PrivilegedActionException;
+import java.security.PrivilegedExceptionAction;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.Marshaller;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.axiom.om.OMDataSource;
+import org.apache.axiom.om.OMOutputFormat;
+import org.apache.axiom.om.util.StAXUtils;
+import org.apache.tuscany.sca.databinding.jaxb.JAXBContextHelper;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class JAXBDataSource implements OMDataSource {
+    private JAXBContext context;
+    private Object element;
+    private JAXBContextHelper contextHelper; 
+
+    public JAXBDataSource(Object element, JAXBContext context, JAXBContextHelper contextHelper) {
+        this.element = element;
+        this.context = context;
+        this.contextHelper = contextHelper;
+    }
+
+    public XMLStreamReader getReader() throws XMLStreamException {
+        // FIXME: [rfeng] This is a quick and dirty implementation
+        // We could use the fastinfoset to optimize the roundtrip
+        StringWriter writer = new StringWriter();
+        serialize(writer, new OMOutputFormat());
+        StringReader reader = new StringReader(writer.toString());
+        // FIXME: We need to use Tuscany extension point to create the reader
+        return StAXUtils.createXMLStreamReader(reader);
+    }
+
+    public void serialize(final XMLStreamWriter xmlWriter) throws XMLStreamException {
+        try {
+            // marshaller.setProperty(Marshaller.JAXB_ENCODING, format.getCharSetEncoding());
+            AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                public Object run() throws Exception {
+                    Marshaller marshaller = null;
+                    try {
+                        marshaller = contextHelper.getMarshaller(context);
+                        marshaller.marshal(element, xmlWriter);
+                    } finally {
+                        contextHelper.releaseJAXBMarshaller(context, marshaller);
+                    }
+                    return null;
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw new XMLStreamException(e.getException());
+        }
+    }
+
+    public void serialize(final OutputStream output, OMOutputFormat format) throws XMLStreamException {
+        try {
+            // marshaller.setProperty(Marshaller.JAXB_ENCODING, format.getCharSetEncoding());
+            AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                public Object run() throws Exception {
+                    Marshaller marshaller = null;
+                    try {
+                        marshaller = contextHelper.getMarshaller(context);
+                        marshaller.marshal(element, output);
+                    } finally {
+                        contextHelper.releaseJAXBMarshaller(context, marshaller);
+                    }
+                    return null;
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw new XMLStreamException(e.getException());
+        }
+    }
+
+    public void serialize(final Writer writer, OMOutputFormat format) throws XMLStreamException {
+        try {
+            AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
+                public Object run() throws Exception {
+                    Marshaller marshaller = null;
+                    try {
+                        marshaller = contextHelper.getMarshaller(context);
+                        marshaller.marshal(element, writer);
+                    } finally {
+                        contextHelper.releaseJAXBMarshaller(context, marshaller);
+                    }
+                    return null;
+                }
+            });
+        } catch (PrivilegedActionException e) {
+            throw new XMLStreamException(e.getException());
+        }
+    }
+
+    public Object getObject() {
+        return element;
+    }
+
+}