}
}
protected void convertInternal(File inputFile, DocumentFormat inputFormat, File outputFile, DocumentFormat outputFormat) {
synchronized (openOfficeConnection) {
XFileIdentifierConverter fileContentProvider = openOfficeConnection.getFileContentProvider();
String inputUrl = fileContentProvider.getFileURLFromSystemPath("", inputFile.getAbsolutePath());
String outputUrl = fileContentProvider.getFileURLFromSystemPath("", outputFile.getAbsolutePath());
PropertyValue[] exportProperties = new PropertyValue[] {
property("FilterName", outputFormat.getExportFilter(inputFormat.getFamily())),
property("FilterData", toPropertyValues(outputFormat.getExportOptions()))
};
try {