/** Produces list of signatures with fixed rate. */
@Scheduled(fixedRate = ProducersConfig.PRODUCTION_RATE)
public void produce() {
/* Generate random list ID */
String listId = UUID.randomUUID().toString();
/* Filename */
String filename = ProducersConfig.BASE_DIR + listId.toString();
/* Generate random signatures */
List<RandomSignature> signatures = signatureGenerator.randomSignatures(30);
/* Render list of signatures to SVG document */
SVGGraphics2D rendered = signatureListSvgRender.render(signatures);
try {
/* Create the "lock" file for new list */
File lock = new File(filename + ".lock");
lock.createNewFile();
/* Create the SVG file with signatures */
File svg = new File(filename + ".svg");
rendered.stream(new FileWriter(svg), false);
/* Convert SVG -> PNG */
svgConverter.setSources(new String[] {filename + ".svg"});
svgConverter.setDst(new File(filename + ".png"));
svgConverter.execute();
/* Delete original SVG file */
svg.delete();
/* Write transcriptions of signatures to text file */
FileWriter fileWriter = new FileWriter(new File(filename + ".txt"));
for (RandomSignature signature : signatures) {
fileWriter.write(signature.toString() + "\n");
}
fileWriter.close();
/* Remove the "lock" file and allow to batch process this list */
lock.delete();
} catch (IOException | SVGConverterException e) {
e.printStackTrace();
}
}
