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PdfConverterVerticle.java
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PdfConverterVerticle.java
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package org.genericsystem.ir;
import java.io.File;
import java.nio.file.Path;
import java.util.List;
import org.genericsystem.cv.PdfToPngConverter;
import io.vertx.core.AsyncResult;
import io.vertx.core.Future;
import io.vertx.core.json.JsonObject;
/**
* The PdfConverterVerticle receives a message from the event bus when a new PDF was added. The file is processed, and each page is converted to a PNG. Finally, a message is sent to the {@link ClassifierVerticle}.
*
* @author middleware
*/
public class PdfConverterVerticle extends ActionVerticle {
public static final String ACTION = "pdfToPng";
@Override
public String getAction() {
return ACTION;
}
@Override
protected void handle(Future<Object> future, JsonObject task) {
File file = new File(DistributedVerticle.BASE_PATH + task.getString(DistributedVerticle.FILENAME));
List<Path> createdPngs = PdfToPngConverter.convertPdfToImages(file, new File(DistributedVerticle.BASE_PATH + "converted-png"));
future.complete(createdPngs);
}
@Override
protected void handleResult(AsyncResult<Object> res, JsonObject task) {
if (res.succeeded()) {
for (Path newPng : (List<Path>) res.result()) {
// addTask(newPng.toString().replaceFirst(DistributedVerticle.BASE_PATH, ""), DeskewerVerticle.ACTION);
addTask(newPng.toString().replaceFirst(DistributedVerticle.BASE_PATH, ""), ClassifierVerticle.ACTION);
}
}
}
}