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Add caching for the h3 values on remote accesses

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This commit is contained in:
Maschell 2019-04-30 12:03:39 +02:00
parent 532501f3a5
commit 3296b1befe
1 changed files with 17 additions and 6 deletions
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23
src/de/mas/wiiu/jnus/implementations/NUSDataProviderRemote.java
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@ -18,6 +18,8 @@ package de.mas.wiiu.jnus.implementations;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional; import java.util.Optional;
import de.mas.wiiu.jnus.Settings; import de.mas.wiiu.jnus.Settings;
@ -46,16 +48,25 @@ public class NUSDataProviderRemote implements NUSDataProvider, Parallelizable {
return String.format("%016x/%08X", titleID, content.getID()); return String.format("%016x/%08X", titleID, content.getID());
} }
Map<Integer, Optional<byte[]>> h3Hashes = new HashMap<>();
@Override @Override
public Optional<byte[]> getContentH3Hash(Content content) throws IOException { public Optional<byte[]> getContentH3Hash(Content content) throws IOException {
NUSDownloadService downloadService = NUSDownloadService.getDefaultInstance(); Optional<byte[]> resOpt = h3Hashes.get(content.getID());
String url = getRemoteURL(content) + Settings.H3_EXTENTION; if (resOpt == null) {
NUSDownloadService downloadService = NUSDownloadService.getDefaultInstance();
String url = getRemoteURL(content) + Settings.H3_EXTENTION;
System.out.println(url);
byte[] res = downloadService.downloadToByteArray(url); byte[] res = downloadService.downloadToByteArray(url);
if (res == null || res.length == 0) { if (res == null || res.length == 0) {
return Optional.empty(); resOpt = Optional.empty();
} else {
resOpt = Optional.of(res);
}
h3Hashes.put(content.getID(), resOpt);
} }
return Optional.of(res); return resOpt;
} }
@Override @Override