/**
* Utility method to load a flow from a file
*
* @param flowFile the file to load from
* @param log the log to use
* @return the loaded Flow
* @throws WekaException if a problem occurs
*/
public static Flow loadFlow(File flowFile, Logger log) throws WekaException {
String extension = "kf";
if (flowFile.toString().lastIndexOf('.') > 0) {
extension =
flowFile
.toString()
.substring(flowFile.toString().lastIndexOf('.') + 1, flowFile.toString().length());
}
FlowLoader toUse = getFlowLoader(extension, log);
if (toUse == null) {
throw new WekaException("Was unable to find a loader for flow file: " + flowFile.toString());
}
return toUse.readFlow(flowFile);
}
/**
* Utility method to load a flow from the supplied reader using the supplied FlowLoader
*
* @param r the reader to load from
* @param loader the FlowLoader to use
* @return the loaded flow
* @throws WekaException if a problem occurs
*/
public static Flow loadFlow(Reader r, FlowLoader loader) throws WekaException {
return loader.readFlow(r);
}
/**
* Utility method to load a flow from the supplied input stream using the supplied FlowLoader
*
* @param is the input stream to load from
* @param loader the FlowLoader to use
* @return the loaded Flow
* @throws WekaException if a problem occurs
*/
public static Flow loadFlow(InputStream is, FlowLoader loader) throws WekaException {
return loader.readFlow(is);
}
