From c791fd804344b8719fb69be84b8174c84cc4f4dc Mon Sep 17 00:00:00 2001 From: jsdelfino Date: Mon, 10 Jan 2011 19:51:07 +0000 Subject: Sandbox to experiment with Databinding automatic wrapper transformations. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1057335 13f79535-47bb-0310-9956-ffa450edef68 --- .../sca/databinding/jaxb/axiom/JAXBDataSource.java | 128 +++++++++++++++++++++ 1 file changed, 128 insertions(+) create mode 100644 sandbox/sebastien/java/wrapped/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java (limited to 'sandbox/sebastien/java/wrapped/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java') diff --git a/sandbox/sebastien/java/wrapped/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/JAXBDataSource.java b/sandbox/sebastien/java/wrapped/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/sandbox/sebastien/java/wrapped/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() { + 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() { + 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() { + 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; + } + +} -- cgit v1.2.3