private String getPipelineName() {
        if (pipelineHolder != null) {
            final PipelineHolder ph = pipelineHolder.get();
            if (ph != null) {
                final DocRef pipeline = ph.getPipeline();
                if (pipeline != null) {
                    return pipeline.getName();
                }
            }
        }
        return null;
    }
@param name the name of the skipped entity. If it is a parameter entity,
            the name will begin with '%', and if it is the external DTD
            subset, it will be the string "[dtd]"
@throws org.xml.sax.SAXException any SAX exception, possibly wrapping another exception
@see stroom.pipeline.filter.AbstractXMLFilter#skippedEntity(java.lang.String)
stroom-pipeline/src/main/java/stroom/pipeline/filter/XsltFilter.java