/** The contexts of the identity. */
protected final Set<String> contexts = Collections.synchronizedSet(new HashSet<String>());
+ /** Whether the contexts have already been loaded. */
+ private volatile boolean contextsLoaded = false;
+
/** The properties of the identity. */
private final Map<String, String> properties = Collections.synchronizedMap(new HashMap<String, String>());
}
/**
- * Returns the contexts of the identity.
+ * Returns the contexts of the identity. If the contexts have not been
+ * loaded yet, they will be loaded. If loading the contexts fails, an empty
+ * set is returned.
*
* @return The contexts of the identity
- * @throws PluginException
- * if an error occured communicating with the Web of Trust
- * plugin
*/
- public Set<String> getContexts() throws PluginException {
- return getContexts(false);
+ public Set<String> getContexts() {
+ try {
+ return getContexts(false);
+ } catch (PluginException pe1) {
+ return Collections.emptySet();
+ }
}
/**
* plugin
*/
public Set<String> getContexts(boolean forceReload) throws PluginException {
- if (contexts.isEmpty() || forceReload) {
+ if (!contextsLoaded || forceReload) {
Set<String> contexts = webOfTrustConnector.loadIdentityContexts(this);
+ contextsLoaded = true;
this.contexts.clear();
this.contexts.addAll(contexts);
}
* {@code false} otherwise
*/
public boolean hasContext(String context) {
- return contexts.contains(context);
+ return getContexts().contains(context);
}
/**