public void propertyChange(PropertyChangeEvent e) {
log.finer("Property change event on local service: " + e.getPropertyName());
// Prevent recursion
if (e.getPropertyName().equals(EVENTED_STATE_VARIABLES)) return;
String[] variableNames = ModelUtil.fromCommaSeparatedList(e.getPropertyName());
log.fine("Changed variable names: " + Arrays.toString(variableNames));
try {
Collection<StateVariableValue> currentValues = getCurrentState(variableNames);
if (!currentValues.isEmpty()) {
getPropertyChangeSupport()
.firePropertyChange(EVENTED_STATE_VARIABLES, null, currentValues);
}
} catch (Exception ex) {
// TODO: Is it OK to only log this error? It means we keep running although we couldn't send
// events?
log.log(
Level.SEVERE,
"Error reading state of service after state variable update event: "
+ Exceptions.unwrap(ex),
ex);
}
}
/**
* Create a new instance of a {@link DLNAHeader} subtype that matches the given type and value.
*
* <p>This method iterates through all potential header subtype classes as declared in {@link
* Type}. It creates a new instance of the subtype class and calls its {@link #setString(String)}
* method. If no {@link org.fourthline.cling.model.message.header.InvalidHeaderException} is
* thrown, the subtype instance is returned.
*
* @param type The type (or name) of the header.
* @param headerValue The value of the header.
* @return The best matching header subtype instance, or <code>null</code> if no subtype can be
* found.
*/
public static DLNAHeader newInstance(DLNAHeader.Type type, String headerValue) {
// Try all the UPnP headers and see if one matches our value parsers
DLNAHeader upnpHeader = null;
for (int i = 0; i < type.getHeaderTypes().length && upnpHeader == null; i++) {
Class<? extends DLNAHeader> headerClass = type.getHeaderTypes()[i];
try {
log.finest("Trying to parse '" + type + "' with class: " + headerClass.getSimpleName());
upnpHeader = headerClass.newInstance();
if (headerValue != null) {
upnpHeader.setString(headerValue);
}
} catch (InvalidHeaderException ex) {
log.finest(
"Invalid header value for tested type: "
+ headerClass.getSimpleName()
+ " - "
+ ex.getMessage());
upnpHeader = null;
} catch (Exception ex) {
log.severe("Error instantiating header of type '" + type + "' with value: " + headerValue);
log.log(Level.SEVERE, "Exception root cause: ", Exceptions.unwrap(ex));
}
}
return upnpHeader;
}
protected void shutdownRouter() {
try {
getRouter().shutdown();
} catch (RouterException ex) {
Throwable cause = Exceptions.unwrap(ex);
if (cause instanceof InterruptedException) {
log.log(Level.INFO, "Router shutdown was interrupted: " + ex, cause);
} else {
throw new RuntimeException("Router error on shutdown: " + ex, ex);
}
}
}
public void run() {
try {
execute();
} catch (Exception ex) {
Throwable cause = Exceptions.unwrap(ex);
if (cause instanceof InterruptedException) {
log.log(
Level.INFO, "Interrupted protocol '" + getClass().getSimpleName() + "': " + ex, cause);
} else {
throw new RuntimeException(
"Fatal error while executing protocol '" + getClass().getSimpleName() + "': " + ex, ex);
}
}
}
