XsltPayloadTransformer with a custom xslt factory.

SaxonXsltTransformer.java

package com.yamanyar.esb.transformers;

import net.sf.saxon.TransformerFactoryImpl;
import org.springframework.core.io.Resource;
import org.springframework.integration.xml.transformer.ResultTransformer;
import org.springframework.integration.xml.transformer.XsltPayloadTransformer;

import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamSource;
import java.io.IOException;

/**
 * Created by IntelliJ IDEA.
 * User: U068169
 * Date: 6/12/12
 * Time: 10:41 AM
 * To change this template use File | Settings | File Templates.
 */
public class SaxonXsltTransformer extends XsltPayloadTransformer {

    public SaxonXsltTransformer(Resource xslResource, ResultTransformer resultTransformer) throws Exception {
        super(TransformerFactoryImpl.newInstance().newTemplates(
                createStreamSourceOnResource(xslResource)), resultTransformer);
    }


    /**
     * Compensate for the fact that a Resource <i>may</i> not be a File or even
     * addressable through a URI. If it is, we want the created StreamSource to
     * read other resources relative to the provided one. If it isn't, it loads
     * from the default path.
     */
    private static StreamSource createStreamSourceOnResource(Resource xslResource) throws IOException {
        try {
            String systemId = xslResource.getURI().toString();
            return new StreamSource(xslResource.getInputStream(), systemId);
        } catch (IOException e) {
            return new StreamSource(xslResource.getInputStream());
        }
    }
}