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Pass null as savedState to indicate a full backup is required

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This commit is contained in:
Christopher Tate
2009-05-06 12:38:21 -07:00
parent 9a6f25033c
commit b1d790b63e
2 changed files with 11 additions and 15 deletions
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11
services/java/com/android/server/BackupManagerService.java
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@@ -119,18 +119,15 @@ class BackupManagerService extends IBackupManager.Stub {
// one backup service per package
File savedStateName = new File(mStateDir,
request.service.packageName);
File dummyName = new File(mStateDir, "#####");
File backupDataName = new File(mDataDir,
request.service.packageName + ".data");
File newStateName = new File(mStateDir,
request.service.packageName + ".new");
// In a full backup, we pass a file that is never writeable, hence
// is always zero-sized, as a sentinel to the callee that they must
// write all of their data.
ParcelFileDescriptor savedState =
ParcelFileDescriptor.open(
(request.fullBackup) ? savedStateName : dummyName,
// In a full backup, we pass a null ParcelFileDescriptor as
// the saved-state "file"
ParcelFileDescriptor savedState = (request.fullBackup) ? null
: ParcelFileDescriptor.open(savedStateName,
ParcelFileDescriptor.MODE_READ_ONLY |
ParcelFileDescriptor.MODE_CREATE);