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added errorCounter to be more tollerent to a missing image file

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Hannes
2017-11-10 01:11:06 +01:00
parent 0cb9063458
commit f55b030e84
1 changed files with 10 additions and 4 deletions
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12
xkcd_downloader/src/org/kuchelmeister/xkcd/downloader/ImageDownloader.java
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@@ -10,7 +10,8 @@ import java.util.List;
public class ImageDownloader { public class ImageDownloader {
List<String> downloadedImages; private final List<String> downloadedImages;
public static final int ERR_EXIT_THRESHOLD = 10; // exit after 10 error is a row
public ImageDownloader() { public ImageDownloader() {
downloadedImages = new LinkedList<>(); downloadedImages = new LinkedList<>();
@@ -18,8 +19,8 @@ public class ImageDownloader {
private void downloadImage(final String url, final String folderPath, final int counter) throws IOException { private void downloadImage(final String url, final String folderPath, final int counter) throws IOException {
final InputStream in = new URL(url).openStream(); final InputStream in = new URL(url).openStream();
final String fileName = "Comic_" + counter;// url.substring(url.lastIndexOf("/")).replaceAll("[^A-Za-z0-9.]", final String fileName = "Comic_" + counter;
// ""); // url.substring(url.lastIndexOf("/")).replaceAll("[^A-Za-z0-9.]", "");
downloadedImages.add(folderPath + fileName); downloadedImages.add(folderPath + fileName);
@@ -29,13 +30,18 @@ public class ImageDownloader {
} }
public void downloadAllImages(final List<String> images, final String folderPath) { public void downloadAllImages(final List<String> images, final String folderPath) {
int errCounter = 0;
for (int i = 0; i < images.size(); i++) { for (int i = 0; i < images.size(); i++) {
try { try {
this.downloadImage(images.get(i), folderPath, i); this.downloadImage(images.get(i), folderPath, i);
errCounter = 0;
} catch (final IOException e) { } catch (final IOException e) {
e.printStackTrace(); e.printStackTrace();
errCounter++;
if (errCounter > ERR_EXIT_THRESHOLD) {
return; return;
} }
} }
} }
}
} }