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Cache h3 content

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This commit is contained in:
Maschell 2019-04-26 13:33:13 +02:00
parent c3f4f96344
commit 9cb2eaf3be
1 changed files with 10 additions and 1 deletions
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11
src/de/mas/wiiu/jnus/implementations/NUSDataProviderFST.java
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@ -19,6 +19,8 @@ package de.mas.wiiu.jnus.implementations;
import java.io.FileNotFoundException; import java.io.FileNotFoundException;
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;
@ -49,9 +51,16 @@ public class NUSDataProviderFST implements NUSDataProvider {
return fstDataProvider.readFileAsStream(contentFile, offset, size); return fstDataProvider.readFileAsStream(contentFile, offset, size);
} }
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 {
return readFileByFilename(base, String.format("%08X%s", content.getID(), Settings.H3_EXTENTION)); Optional<byte[]> res = h3Hashes.get(content.getID());
if(res == null) {
res =readFileByFilename(base, String.format("%08X%s", content.getID(), Settings.H3_EXTENTION));
h3Hashes.put(content.getID(), res);
}
return res;
} }
private Optional<byte[]> readFileByFilename(FSTEntry base, String filename) throws IOException { private Optional<byte[]> readFileByFilename(FSTEntry base, String filename) throws IOException {