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fix: game crashes when asset index file is empty

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huanghongxun
2020-02-20 14:22:55 +08:00
parent 0a68e52fca
commit 5c19dcd208
1 changed files with 31 additions and 32 deletions
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63
HMCLCore/src/main/java/org/jackhuang/hmcl/download/game/GameAssetDownloadTask.java
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@@ -93,44 +93,43 @@ public final class GameAssetDownloadTask extends Task<Void> {
public void execute() throws Exception {
AssetIndex index;
try {
index = JsonUtils.GSON.fromJson(FileUtils.readText(assetIndexFile), AssetIndex.class);
} catch (IOException | JsonSyntaxException e) {
index = JsonUtils.fromNonNullJson(FileUtils.readText(assetIndexFile), AssetIndex.class);
} catch (IOException | JsonParseException e) {
throw new GameAssetIndexDownloadTask.GameAssetIndexMalformedException();
}
int progress = 0;
if (index != null)
for (AssetObject assetObject : index.getObjects().values()) {
if (isCancelled())
throw new InterruptedException();
for (AssetObject assetObject : index.getObjects().values()) {
if (isCancelled())
throw new InterruptedException();
File file = dependencyManager.getGameRepository().getAssetObject(version.getId(), assetIndexInfo.getId(), assetObject);
boolean download = !file.isFile();
try {
if (!download && integrityCheck && !assetObject.validateChecksum(file.toPath(), true))
download = true;
} catch (IOException e) {
Logging.LOG.log(Level.WARNING, "Unable to calc hash value of file " + file.toPath(), e);
}
if (download) {
List<URL> urls = dependencyManager.getPreferredDownloadProviders().stream()
.map(downloadProvider -> downloadProvider.getAssetBaseURL() + assetObject.getLocation())
.map(NetworkUtils::toURL)
.collect(Collectors.toList());
FileDownloadTask task = new FileDownloadTask(urls, file, new FileDownloadTask.IntegrityCheck("SHA-1", assetObject.getHash()));
task.setName(assetObject.getHash());
dependencies.add(task
.setCacheRepository(dependencyManager.getCacheRepository())
.setCaching(true)
.setCandidate(dependencyManager.getCacheRepository().getCommonDirectory()
.resolve("assets").resolve("objects").resolve(assetObject.getLocation())));
} else {
dependencyManager.getCacheRepository().tryCacheFile(file.toPath(), CacheRepository.SHA1, assetObject.getHash());
}
updateProgress(++progress, index.getObjects().size());
File file = dependencyManager.getGameRepository().getAssetObject(version.getId(), assetIndexInfo.getId(), assetObject);
boolean download = !file.isFile();
try {
if (!download && integrityCheck && !assetObject.validateChecksum(file.toPath(), true))
download = true;
} catch (IOException e) {
Logging.LOG.log(Level.WARNING, "Unable to calc hash value of file " + file.toPath(), e);
}
if (download) {
List<URL> urls = dependencyManager.getPreferredDownloadProviders().stream()
.map(downloadProvider -> downloadProvider.getAssetBaseURL() + assetObject.getLocation())
.map(NetworkUtils::toURL)
.collect(Collectors.toList());
FileDownloadTask task = new FileDownloadTask(urls, file, new FileDownloadTask.IntegrityCheck("SHA-1", assetObject.getHash()));
task.setName(assetObject.getHash());
dependencies.add(task
.setCacheRepository(dependencyManager.getCacheRepository())
.setCaching(true)
.setCandidate(dependencyManager.getCacheRepository().getCommonDirectory()
.resolve("assets").resolve("objects").resolve(assetObject.getLocation())));
} else {
dependencyManager.getCacheRepository().tryCacheFile(file.toPath(), CacheRepository.SHA1, assetObject.getHash());
}
updateProgress(++progress, index.getObjects().size());
}
}
public static final boolean DOWNLOAD_INDEX_FORCIBLY = true;