/**
* Load {@link Bookmark} instance, creating it if it does not exist.
*
* @param title the {@link Bookmark}'s title to load.
* @return the {@link Bookmark} for the given <code>title</code>, or null if <code>title</code> is
* null.
*/
protected Bookmark loadBookmark(final String title) {
Debug.enter(title);
Bookmark bookmark = null;
final String titleValue = (title != null) ? title.trim() : "";
if (0 < titleValue.length()) {
synchronized (AbstractProfileCRUD.LOCK) {
String basename = AbstractUserProfileStorage.getBasename(titleValue);
final boolean adding = (basename == null);
if (adding) {
basename = AbstractUserProfileStorage.getBasename();
}
final SharedPreferences prefs = AbstractProfile.getSharedPreferences(basename);
bookmark = readBookmark(prefs, basename, titleValue);
if (adding) {
writeBookmark(prefs, bookmark);
}
}
}
Debug.leave("loaded", titleValue, (bookmark != null) ? bookmark.title : null);
return bookmark;
}
/**
* Save {@link Bookmark} instance into its {@link SharedPreferences}.
*
* @return true on success, false on failure.
*/
private boolean writeBookmark(final SharedPreferences prefs, final Bookmark bookmark) {
final SharedPreferences.Editor editor = prefs.edit();
AbstractUserProfileStorage.writeUserProfile(editor, bookmark);
BookmarkStorage.writeBookmark(editor, bookmark);
return check(editor.commit(), R.string.io_error);
}
/**
* Load {@link Bookmark} instance from its {@link SharedPreferences}.
*
* @param prefs prefs.
* @param basename basename.
* @param title title.
* @return Profile.
*/
protected Bookmark readBookmark(
final SharedPreferences prefs, final String basename, final String title) {
final Bookmark bookmark = new Bookmark(basename, title);
AbstractUserProfileStorage.readUserProfile(prefs, bookmark);
BookmarkStorage.readBookmark(prefs, bookmark);
return bookmark;
}