/*
* 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.sdo2om;
import static org.apache.tuscany.sca.databinding.sdo.SDODataBinding.ROOT_ELEMENT;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
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.impl.serialize.StreamingOMSerializer;
import org.apache.tuscany.sdo.api.XMLStreamHelper;
import org.apache.tuscany.sdo.api.SDOUtil;
import commonj.sdo.DataObject;
import commonj.sdo.helper.HelperContext;
import commonj.sdo.helper.XMLDocument;
public class SDODataSource implements OMDataSource {
private HelperContext helperContext;
private XMLDocument sourceDocument;
public SDODataSource(XMLDocument source, HelperContext helperContext) {
this.sourceDocument = source;
this.helperContext = helperContext;
}
public SDODataSource(DataObject obj, HelperContext helperContext) {
this.helperContext = helperContext;
this.sourceDocument =
helperContext.getXMLHelper().createDocument(obj,
ROOT_ELEMENT.getNamespaceURI(),
ROOT_ELEMENT.getLocalPart());
}
public XMLStreamReader getReader() throws XMLStreamException {
XMLStreamHelper streamHelper = SDOUtil.createXMLStreamHelper(helperContext);
return streamHelper.createXMLStreamReader(sourceDocument);
}
public void serialize(XMLStreamWriter xmlWriter) throws XMLStreamException {
StreamingOMSerializer serializer = new StreamingOMSerializer();
serializer.serialize(getReader(), xmlWriter);
}
public void serialize(OutputStream output, OMOutputFormat format) throws XMLStreamException {
try {
helperContext.getXMLHelper().save(sourceDocument, output, null);
} catch (Exception e) {
throw new XMLStreamException(e);
}
}
public void serialize(Writer writer, OMOutputFormat format) throws XMLStreamException {
try {
helperContext.getXMLHelper().save(sourceDocument, writer, null);
} catch (IOException e) {
throw new XMLStreamException(e);
}
}
}