@Override
    public String get(Object handle) throws IOException {
        if (!(handle instanceof File)) {
            throw new IllegalArgumentException("Expected File, but was " + handle.getClass());
        }

        File eventFile = (File) handle;
        if (eventFile.exists() && eventFile.isFile()) {
            return KeenUtils.convertFileToString(eventFile);
        } else {
            return null;
        }
    }
@ Override public String get ( Object handle ) throws IOException { if ( ! ( handle instanceof File ) ) { throw new IllegalArgumentException ( "Expected File, but was " + handle . getClass ( ) ) ; } File eventFile = ( File ) handle ; if ( eventFile . exists ( ) && eventFile . isFile ( ) ) { return KeenUtils . convertFileToString ( eventFile ) ; } else { return null ; } }
{@inheritDoc}