private static UnpickleParams fromJSON(final ExtendedJSONObject json)
throws InvalidKeySpecException, NoSuchAlgorithmException, NonObjectJSONException {
final UnpickleParams params = new UnpickleParams();
params.pickleVersion = json.getLong(KEY_PICKLE_VERSION);
if (params.pickleVersion == null) {
throw new IllegalStateException("Pickle version not found.");
}
switch (params.pickleVersion.intValue()) {
case 1:
params.unpickleV1(json);
break;
default:
throw new IllegalStateException("Unknown pickle version, " + params.pickleVersion + ".");
}
return params;
}
/**
* Create Android account from saved JSON object. Assumes that an account does not exist.
*
* @param context Android context.
* @param filename name of file to read from; must not contain path separators.
* @return created Android account, or null on error.
*/
public static AndroidFxAccount unpickle(final Context context, final String filename) {
final String jsonString = Utils.readFile(context, filename);
if (jsonString == null) {
Logger.info(LOG_TAG, "Pickle file '" + filename + "' not found; aborting.");
return null;
}
ExtendedJSONObject json = null;
try {
json = ExtendedJSONObject.parseJSONObject(jsonString);
} catch (Exception e) {
Logger.warn(LOG_TAG, "Got exception reading pickle file '" + filename + "'; aborting.", e);
return null;
}
final UnpickleParams params;
try {
params = UnpickleParams.fromJSON(json);
} catch (Exception e) {
Logger.warn(LOG_TAG, "Got exception extracting unpickle json; aborting.", e);
return null;
}
final AndroidFxAccount account;
try {
account =
AndroidFxAccount.addAndroidAccount(
context,
params.email,
params.profile,
params.idpServerURI,
params.tokenServerURI,
params.state,
params.accountVersion,
params.isSyncingEnabled,
true,
params.bundle);
} catch (Exception e) {
Logger.warn(LOG_TAG, "Exception when adding Android Account; aborting.", e);
return null;
}
if (account == null) {
Logger.warn(LOG_TAG, "Failed to add Android Account; aborting.");
return null;
}
Long timestamp = json.getLong(KEY_PICKLE_TIMESTAMP);
if (timestamp == null) {
Logger.warn(LOG_TAG, "Did not find timestamp in pickle file; ignoring.");
timestamp = Long.valueOf(-1);
}
Logger.info(
LOG_TAG,
"Un-pickled Android account named "
+ params.email
+ " (version "
+ params.pickleVersion
+ ", pickled at "
+ timestamp
+ ").");
return account;
}
