/**
* Returns the update source set for an app, or the first applicable one.
*
* @param app The target application.
* @return An update source that can be used for this application, or null if no source could be
* found.
*/
public static UpdateSource get_source(InstalledApp app) {
if (get_update_sources() == null) {
return null;
}
// Return the stored update source first, if available.
if (app.get_update_source() != null) {
UpdateSource s = get_source(app.get_update_source());
if (s != null) { // False if the source has been removed from assets.json
return s;
}
}
// Find the first applicable source.
for (UpdateSource s : get_update_sources()) {
if (s.is_applicable(app)) {
return s;
}
}
return null;
}
/**
* Checks whether the UpdateSource is applicable for a given application. The package name of the
* given app is checked against the list of packages for which an update source can provide
* version information.
*
* @param app The application to check.
* @return Whether the UpdateSource is valid for a given application.
*/
public boolean is_applicable(InstalledApp app) {
return is_applicable(app.get_package_name());
}