/*
* $Id: XmlToXMLStreamReader.java 19250 2010-08-30 16:53:14Z dirk.olmes $
* --------------------------------------------------------------------------------------
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
*
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.xml.transformer;
import org.mule.api.MuleMessage;
import org.mule.api.transformer.DiscoverableTransformer;
import org.mule.api.transformer.TransformerException;
import org.mule.config.i18n.MessageFactory;
import org.mule.module.xml.stax.ReversibleXMLStreamReader;
import org.mule.module.xml.util.XMLUtils;
import org.mule.transformer.types.DataTypeFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.transform.Source;
import org.w3c.dom.Document;
public class XmlToXMLStreamReader extends AbstractXmlTransformer implements DiscoverableTransformer
{
private int priorityWeighting = DiscoverableTransformer.DEFAULT_PRIORITY_WEIGHTING;
private boolean reversible;
public XmlToXMLStreamReader()
{
super();
registerSourceType(DataTypeFactory.create(Source.class));
registerSourceType(DataTypeFactory.INPUT_STREAM);
registerSourceType(DataTypeFactory.create(Document.class));
registerSourceType(DataTypeFactory.BYTE_ARRAY);
registerSourceType(DataTypeFactory.STRING);
setReturnDataType(DataTypeFactory.create(XMLStreamReader.class));
}
@Override
public Object transformMessage(MuleMessage message, String encoding) throws TransformerException
{
Object src = message.getPayload();
try
{
XMLStreamReader xsr = XMLUtils.toXMLStreamReader(getXMLInputFactory(), src);
if (xsr == null)
{
throw new TransformerException(MessageFactory
.createStaticMessage("Unable to convert " + src.getClass() + " to XMLStreamReader."), this);
}
if (reversible && !(xsr instanceof ReversibleXMLStreamReader))
{
return new ReversibleXMLStreamReader(xsr);
}
else
{
return xsr;
}
}
catch (XMLStreamException e)
{
throw new TransformerException(this, e);
}
}
public boolean isReversible()
{
return reversible;
}
public void setReversible(boolean reversible)
{
this.reversible = reversible;
}
public int getPriorityWeighting()
{
return priorityWeighting;
}
public void setPriorityWeighting(int priorityWeighting)
{
this.priorityWeighting = priorityWeighting;
}
}