public void loadDiffableReaders() {
List<Class<? extends DiffableReader>> drClasses =
new PluginManager<DiffableReader>(DiffableReader.class).getPlugins();
logger.info("Loading diffable modules:");
for (Class<? extends DiffableReader> drClass : drClasses) {
logger.info("\t" + drClass.getSimpleName());
try {
DiffableReader dr = drClass.newInstance();
readers.put(dr.getName(), dr);
} catch (InstantiationException e) {
throw new ReviewedStingException(
"Unable to instantiate module '" + drClass.getSimpleName() + "'");
} catch (IllegalAccessException e) {
throw new ReviewedStingException(
"Illegal access error when trying to instantiate '" + drClass.getSimpleName() + "'");
}
}
}
public DiffElement createDiffableFromFile(File file, int maxElementsToRead) {
DiffableReader reader = findReaderForFile(file);
if (reader == null) throw new UserException("Unsupported file type: " + file);
else return reader.readFromFile(file, maxElementsToRead);
}
/**
* Returns a reader appropriate for this file, or null if no such reader exists
*
* @param file
* @return
*/
public DiffableReader findReaderForFile(File file) {
for (DiffableReader reader : readers.values()) if (reader.canRead(file)) return reader;
return null;
}