From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../jaxb/axiom/ext/JAXBDataSourceExt.java | 144 +++++++++++++++++++++ 1 file changed, 144 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/JAXBDataSourceExt.java (limited to 'sca-java-2.x/branches/2.0/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/JAXBDataSourceExt.java') diff --git a/sca-java-2.x/branches/2.0/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/JAXBDataSourceExt.java b/sca-java-2.x/branches/2.0/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/JAXBDataSourceExt.java new file mode 100644 index 0000000000..5a5afc13cb --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/databinding-jaxb-axiom/src/main/java/org/apache/tuscany/sca/databinding/jaxb/axiom/ext/JAXBDataSourceExt.java @@ -0,0 +1,144 @@ +/* + * 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.ext; + +import java.io.ByteArrayInputStream; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.io.OutputStream; +import java.io.UnsupportedEncodingException; +import java.io.Writer; +import java.util.logging.Level; +import java.util.logging.Logger; + +import javax.xml.bind.JAXBException; +import javax.xml.stream.XMLStreamException; +import javax.xml.stream.XMLStreamReader; +import javax.xml.stream.XMLStreamWriter; + +import org.apache.axiom.om.OMDataSourceExt; +import org.apache.axiom.om.OMException; +import org.apache.axiom.om.OMOutputFormat; +import org.apache.axiom.om.ds.OMDataSourceExtBase; +import org.apache.axiom.om.impl.MTOMXMLStreamWriter; +import org.apache.axiom.om.util.StAXUtils; + +/** + * OMDataSource backed by a jaxb object + */ +public class JAXBDataSourceExt extends OMDataSourceExtBase { + + private static final Logger log = Logger.getLogger(JAXBDataSourceExt.class.getName()); + + private Object jaxb; + private JAXBDSContext context; + + public JAXBDataSourceExt(Object jaxb, JAXBDSContext context) { + super(); + this.jaxb = jaxb; + this.context = context; + } + + public void close() { + } + + public OMDataSourceExt copy() { + return new JAXBDataSourceExt(jaxb, context); + } + + public Object getObject() { + return jaxb; + } + + public JAXBDSContext getContext() { + return context; + } + + public XMLStreamReader getReader() throws XMLStreamException { + + try { + String encoding = "utf-8"; + InputStream is = new ByteArrayInputStream(getXMLBytes(encoding)); + return StAXUtils.createXMLStreamReader(is, encoding); + } catch (UnsupportedEncodingException e) { + throw new XMLStreamException(e); + } + } + + public void serialize(OutputStream output, OMOutputFormat format) throws XMLStreamException { + MTOMXMLStreamWriter writer = new MTOMXMLStreamWriter(output, format); + serialize(writer); + writer.flush(); + try { + writer.close(); + } catch (XMLStreamException e) { + // An exception can occur if nothing is written to the + // writer. This is possible if the underlying data source + // writers to the output stream directly. + if (log.isLoggable(Level.FINER)) { + log.finer("Catching and swallowing exception " + e); + } + } + } + + public void serialize(Writer writerTarget, OMOutputFormat format) throws XMLStreamException { + MTOMXMLStreamWriter writer = new MTOMXMLStreamWriter(StAXUtils.createXMLStreamWriter(writerTarget)); + writer.setOutputFormat(format); + serialize(writer); + writer.flush(); + writer.close(); + } + + public void serialize(XMLStreamWriter xmlWriter) throws XMLStreamException { + try { + context.marshal(jaxb, xmlWriter); + } catch (JAXBException je) { + throw new XMLStreamException(je); + } + } + + public byte[] getXMLBytes(String encoding) throws UnsupportedEncodingException { + try { + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + + // Exposes getOutputStream, which allows faster writes. + XMLStreamWriterWithOS writer = new XMLStreamWriterWithOS(baos, encoding); + + // Write the business object to the writer + serialize(writer); + + // Flush the writer + writer.flush(); + writer.close(); + return baos.toByteArray(); + } catch (XMLStreamException e) { + throw new OMException(e); + } + } + + public boolean isDestructiveRead() { + return false; + } + + public boolean isDestructiveWrite() { + return false; + } + +} -- cgit v1.2.3