public static void loadFromText(String text) {
try {
if (singleton == null) {
// default behavior is to create a singleton for
// an in memory dbserver
useDBServer();
}
singleton.loadFromText(text);
} catch (Exception e) {
ExceptionWindow.getExceptionWindow(e);
}
}
public static void createEmpty() {
try {
if (singleton == null) {
// default behavior is to create a singleton for
// an in memory dbserver
useDBServer();
}
singleton.createEmpty();
} catch (Exception e) {
ExceptionWindow.getExceptionWindow(e);
}
}
public static StorageListener useDBServer(String dbName) {
// assumed persistent
if (singleton != null) {
return (singleton);
}
try {
singleton = (StorageListener) DBServer.init(dbName);
} catch (Exception e) {
ExceptionWindow.getExceptionWindow(e);
}
return (singleton);
}
public static StorageListener useDBServer() {
// assume in memory with some initial state
if (singleton != null) {
return (singleton);
}
try {
singleton = (StorageListener) DBServer.initInMemory();
} catch (Exception e) {
ExceptionWindow.getExceptionWindow(e);
}
return (singleton);
}
public static Color getColor(String name, Color def) {
if (name == null) {
// System.out.println("illegal color: " + name);
// Thread.dumpStack();
return (def);
}
name = name.toLowerCase();
Color nc = (Color) colors.get(name);
if (nc == null) {
StringTokenizer st = new StringTokenizer(name, ", ");
// System.out.println(st.countTokens();
if ((st.countTokens() < 3) || (st.countTokens() > 4)) {
// System.out.println("illegal color");
nc = def;
} else {
try {
int r = Integer.parseInt(st.nextToken());
int g = Integer.parseInt(st.nextToken());
int b = Integer.parseInt(st.nextToken());
if (st.countTokens() == 0) {
nc = new GuessColor(r, g, b);
} else {
int a = Integer.parseInt(st.nextToken());
nc = new GuessColor(r, g, b, a);
}
colors.put(name, nc);
} catch (Exception e) {
ExceptionWindow.getExceptionWindow(e);
StatusBar.setErrorStatus("Invalid color, using default");
nc = def;
}
}
}
return (nc);
}