SettingsCmdpublic final class SettingsCmd extends Object
| Fields Summary |
|---|
| static final String | TAG | | static String[] | mArgs | | int | mNextArg | | int | mUser | | CommandVerb | mVerb | | String | mTable | | String | mKey | | String | mValue |
| Methods Summary |
|---|
| int | deleteForUser(android.content.IContentProvider provider, int userHandle, java.lang.String table, java.lang.String key)
Uri targetUri;
if ("system".equals(table)) targetUri = Settings.System.getUriFor(key);
else if ("secure".equals(table)) targetUri = Settings.Secure.getUriFor(key);
else if ("global".equals(table)) targetUri = Settings.Global.getUriFor(key);
else {
System.err.println("Invalid table; no delete performed");
throw new IllegalArgumentException("Invalid table " + table);
}
int num = 0;
try {
num = provider.delete(null, targetUri, null, null);
} catch (RemoteException e) {
System.err.println("Can't clear key " + key + " in " + table + " for user "
+ userHandle);
}
return num;
| | java.lang.String | getForUser(android.content.IContentProvider provider, int userHandle, java.lang.String table, java.lang.String key)
final String callGetCommand;
if ("system".equals(table)) callGetCommand = Settings.CALL_METHOD_GET_SYSTEM;
else if ("secure".equals(table)) callGetCommand = Settings.CALL_METHOD_GET_SECURE;
else if ("global".equals(table)) callGetCommand = Settings.CALL_METHOD_GET_GLOBAL;
else {
System.err.println("Invalid table; no put performed");
throw new IllegalArgumentException("Invalid table " + table);
}
String result = null;
try {
Bundle arg = new Bundle();
arg.putInt(Settings.CALL_METHOD_USER_KEY, userHandle);
Bundle b = provider.call(null, callGetCommand, key, arg);
if (b != null) {
result = b.getPairValue();
}
} catch (RemoteException e) {
System.err.println("Can't read key " + key + " in " + table + " for user " + userHandle);
}
return result;
| | public static void | main(java.lang.String[] args)
if (args == null || args.length < 3) {
printUsage();
return;
}
mArgs = args;
try {
new SettingsCmd().run();
} catch (Exception e) {
System.err.println("Unable to run settings command");
}
| | private java.lang.String | nextArg()
if (mNextArg >= mArgs.length) {
return null;
}
String arg = mArgs[mNextArg];
mNextArg++;
return arg;
| | private static void | printUsage()
System.err.println("usage: settings [--user NUM] get namespace key");
System.err.println(" settings [--user NUM] put namespace key value");
System.err.println(" settings [--user NUM] delete namespace key");
System.err.println("\n'namespace' is one of {system, secure, global}, case-insensitive");
System.err.println("If '--user NUM' is not given, the operations are performed on the owner user.");
| | void | putForUser(android.content.IContentProvider provider, int userHandle, java.lang.String table, java.lang.String key, java.lang.String value)
final String callPutCommand;
if ("system".equals(table)) callPutCommand = Settings.CALL_METHOD_PUT_SYSTEM;
else if ("secure".equals(table)) callPutCommand = Settings.CALL_METHOD_PUT_SECURE;
else if ("global".equals(table)) callPutCommand = Settings.CALL_METHOD_PUT_GLOBAL;
else {
System.err.println("Invalid table; no put performed");
return;
}
try {
Bundle arg = new Bundle();
arg.putString(Settings.NameValueTable.VALUE, value);
arg.putInt(Settings.CALL_METHOD_USER_KEY, userHandle);
provider.call(null, callPutCommand, key, arg);
} catch (RemoteException e) {
System.err.println("Can't set key " + key + " in " + table + " for user " + userHandle);
}
| | public void | run()
boolean valid = false;
String arg;
try {
while ((arg = nextArg()) != null) {
if ("--user".equals(arg)) {
if (mUser != -1) {
// --user specified more than once; invalid
break;
}
mUser = Integer.parseInt(nextArg());
} else if (mVerb == CommandVerb.UNSPECIFIED) {
if ("get".equalsIgnoreCase(arg)) {
mVerb = CommandVerb.GET;
} else if ("put".equalsIgnoreCase(arg)) {
mVerb = CommandVerb.PUT;
} else if ("delete".equalsIgnoreCase(arg)) {
mVerb = CommandVerb.DELETE;
} else {
// invalid
System.err.println("Invalid command: " + arg);
break;
}
} else if (mTable == null) {
if (!"system".equalsIgnoreCase(arg)
&& !"secure".equalsIgnoreCase(arg)
&& !"global".equalsIgnoreCase(arg)) {
System.err.println("Invalid namespace '" + arg + "'");
break; // invalid
}
mTable = arg.toLowerCase();
} else if (mVerb == CommandVerb.GET || mVerb == CommandVerb.DELETE) {
mKey = arg;
if (mNextArg >= mArgs.length) {
valid = true;
} else {
System.err.println("Too many arguments");
}
break;
} else if (mKey == null) {
mKey = arg;
// keep going; there's another PUT arg
} else { // PUT, final arg
mValue = arg;
if (mNextArg >= mArgs.length) {
valid = true;
} else {
System.err.println("Too many arguments");
}
break;
}
}
} catch (Exception e) {
valid = false;
}
if (valid) {
if (mUser < 0) {
mUser = UserHandle.USER_OWNER;
}
try {
IActivityManager activityManager = ActivityManagerNative.getDefault();
IContentProvider provider = null;
IBinder token = new Binder();
try {
ContentProviderHolder holder = activityManager.getContentProviderExternal(
"settings", UserHandle.USER_OWNER, token);
if (holder == null) {
throw new IllegalStateException("Could not find settings provider");
}
provider = holder.provider;
switch (mVerb) {
case GET:
System.out.println(getForUser(provider, mUser, mTable, mKey));
break;
case PUT:
putForUser(provider, mUser, mTable, mKey, mValue);
break;
case DELETE:
System.out.println("Deleted "
+ deleteForUser(provider, mUser, mTable, mKey) + " rows");
break;
default:
System.err.println("Unspecified command");
break;
}
} finally {
if (provider != null) {
activityManager.removeContentProviderExternal("settings", token);
}
}
} catch (Exception e) {
System.err.println("Error while accessing settings provider");
e.printStackTrace();
}
} else {
printUsage();
}
|
|
