/**
* The method takes the an inputstream as an input and wraps it around with xml tags, sets the xml
* encoding and xml version specified in the physical sources config.
*
* @param compositeInputStream The inputstream to be wrapped with the xml tags
* @return
*/
private InputStream wrapStreamWithXmlTags(InputStream compositeInputStream) {
String xmlVersion = _pConfig.getXmlVersion();
String xmlEncoding = _pConfig.getXmlEncoding();
String xmlStart =
"<?xml version=\"" + xmlVersion + "\" encoding=\"" + xmlEncoding + "\"?>\n<root>";
String xmlEnd = "</root>";
_log.info("The xml start tag used is:" + xmlStart);
List xmlTagsList =
Arrays.asList(
new InputStream[] {
new ByteArrayInputStream(xmlStart.getBytes(Charset.forName(xmlEncoding))),
compositeInputStream,
new ByteArrayInputStream(xmlEnd.getBytes(Charset.forName(xmlEncoding))),
});
Enumeration<InputStream> streams = Collections.enumeration(xmlTagsList);
SequenceInputStream seqStream = new SequenceInputStream(streams);
return seqStream;
}
