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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.dlc;
import android.content.Context;
import android.util.Log;
import org.mozilla.gecko.dlc.catalog.DownloadContent;
import org.mozilla.gecko.dlc.catalog.DownloadContentCatalog;
import java.io.File;
/**
* Verify: Validate downloaded content. Does it still exist and does it have the correct checksum?
*/
public class VerifyAction extends BaseAction {
private static final String LOGTAG = "DLCVerifyAction";
@Override
public void perform(Context context, DownloadContentCatalog catalog) {
Log.d(LOGTAG, "Verifying catalog..");
for (DownloadContent content : catalog.getDownloadedContent()) {
try {
File destinationFile = getDestinationFile(context, content);
if (!destinationFile.exists()) {
Log.d(LOGTAG, "Downloaded content does not exist anymore: " + content);
// This file does not exist even though it is marked as downloaded in the catalog. Scheduling a
// download to fetch it again.
catalog.scheduleDownload(content);
continue;
}
if (!verify(destinationFile, content.getChecksum())) {
catalog.scheduleDownload(content);
Log.d(LOGTAG, "Wrong checksum. Scheduling download: " + content);
continue;
}
Log.v(LOGTAG, "Content okay: " + content);
} catch (UnrecoverableDownloadContentException e) {
Log.w(LOGTAG, "Unrecoverable exception while verifying downloaded file", e);
} catch (RecoverableDownloadContentException e) {
// That's okay, we are just verifying already existing content. No log.
}
}
if (catalog.hasScheduledDownloads()) {
startDownloads(context);
}
Log.v(LOGTAG, "Done");
}
protected void startDownloads(Context context) {
DownloadContentService.startDownloads(context);
}
}
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