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Modify the IBackupTransport API to support bulk restore operations.

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Change the BackupManagerService and LocalTransport to support the new API.
This commit is contained in:
Dan Egnor
2009-06-24 00:16:33 -07:00
parent 0bc7b8490b
commit efe52647f6
5 changed files with 291 additions and 336 deletions
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18
services/java/com/android/server/PackageManagerBackupAgent.java
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@@ -57,7 +57,7 @@ public class PackageManagerBackupAgent extends BackupAgent {
// is stored using the package name as a key)
private static final String GLOBAL_METADATA_KEY = "@meta@";
private List<ApplicationInfo> mAllApps;
private List<PackageInfo> mAllPackages;
private PackageManager mPackageManager;
private HashMap<String, Metadata> mRestoredSignatures;
@@ -73,9 +73,9 @@ public class PackageManagerBackupAgent extends BackupAgent {
// We're constructed with the set of applications that are participating
// in backup. This set changes as apps are installed & removed.
PackageManagerBackupAgent(PackageManager packageMgr, List<ApplicationInfo> apps) {
PackageManagerBackupAgent(PackageManager packageMgr, List<PackageInfo> packages) {
mPackageManager = packageMgr;
mAllApps = apps;
mAllPackages = packages;
mRestoredSignatures = null;
}
@@ -118,8 +118,8 @@ public class PackageManagerBackupAgent extends BackupAgent {
// For each app we have on device, see if we've backed it up yet. If not,
// write its signature block to the output, keyed on the package name.
for (ApplicationInfo app : mAllApps) {
String packName = app.packageName;
for (PackageInfo pkg : mAllPackages) {
String packName = pkg.packageName;
if (!existing.contains(packName)) {
// We haven't stored this app's signatures yet, so we do that now
try {
@@ -186,7 +186,7 @@ public class PackageManagerBackupAgent extends BackupAgent {
}
// Finally, write the new state blob -- just the list of all apps we handled
writeStateFile(mAllApps, newState);
writeStateFile(mAllPackages, newState);
}
// "Restore" here is a misnomer. What we're really doing is reading back the
@@ -327,7 +327,7 @@ public class PackageManagerBackupAgent extends BackupAgent {
}
// Util: write out our new backup state file
private void writeStateFile(List<ApplicationInfo> apps, ParcelFileDescriptor stateFile) {
private void writeStateFile(List<PackageInfo> pkgs, ParcelFileDescriptor stateFile) {
FileOutputStream outstream = new FileOutputStream(stateFile.getFileDescriptor());
DataOutputStream out = new DataOutputStream(outstream);
@@ -338,8 +338,8 @@ public class PackageManagerBackupAgent extends BackupAgent {
out.write(metaNameBuf);
// now write all the app names too
for (ApplicationInfo app : apps) {
byte[] pkgNameBuf = app.packageName.getBytes();
for (PackageInfo pkg : pkgs) {
byte[] pkgNameBuf = pkg.packageName.getBytes();
out.writeInt(pkgNameBuf.length);
out.write(pkgNameBuf);
}