/**
* Validate TMX Format,and pilot to Body XMLElement
*
* @param vg
* @throws TmxReadException ;
*/
private void validateTmxAndParseHeader(VTDGen vg) throws TmxReadException {
VTDNav vn = vg.getNav();
AutoPilot ap = new AutoPilot(vn);
String rootPath = "/tmx";
vu = new VTDUtils();
try {
vu.bind(vn);
ap.selectXPath(rootPath);
if (ap.evalXPath() == -1) {
throw new TmxReadException(Messages.getString("document.TmxReader.validateTmxFileError"));
}
ap.resetXPath();
ap.selectXPath("/tmx/header");
if (ap.evalXPath() == -1) {
throw new TmxReadException(Messages.getString("document.TmxReader.validateTmxFileError"));
}
int id = vu.getVTDNav().getAttrVal("srclang");
if (id == -1) {
throw new TmxReadException(Messages.getString("document.TmxReader.validateTmxFileError"));
}
header.setSrclang(vu.getVTDNav().toString(id).trim());
if (vu.pilot("/tmx/body") == -1) {
throw new TmxReadException(Messages.getString("document.TmxReader.validateTmxFileError"));
}
// compute total tu number
this.totalTu = vu.getChildElementsCount();
} catch (VTDException e) {
logger.error("", e);
throw new TmxReadException(
Messages.getString("document.TmxReader.parseTmxFileError") + e.getMessage());
} finally {
vg.clear();
}
}
