private final void loadExtension(Extension ext) {
final String id = ext.getDeclaringPluginDescriptor().getId();
final URL url;
try {
// note: ".../-" match everything starting with "plugin:" + id + "!/"
url = new URL("plugin:" + id + "!/-");
final ClassLoader cl = ext.getDeclaringPluginDescriptor().getPluginClassLoader();
final CodeSource cs = new CodeSource(url, (Certificate[]) null);
final Permissions perms = new Permissions();
codeSource2Permissions.put(cs, perms);
// BootLogInstance.get().debug("Adding permissions for " + cs);
final ConfigurationElement[] elems = ext.getConfigurationElements();
final int count = elems.length;
for (int i = 0; i < count; i++) {
final ConfigurationElement elem = elems[i];
final String type = elem.getAttribute("class");
final String name = elem.getAttribute("name");
final String actions = elem.getAttribute("actions");
if (type != null) {
final Object perm;
try {
final Class permClass = cl.loadClass(type);
if ((name != null) && (actions != null)) {
final Constructor c = permClass.getConstructor(NAME_ACTIONS_ARGS);
perm = c.newInstance(new Object[] {name, actions});
} else if (name != null) {
final Constructor c = permClass.getConstructor(NAME_ARGS);
perm = c.newInstance(new Object[] {name});
} else {
perm = permClass.newInstance();
}
final Permission p = (Permission) perm;
perms.add(p);
} catch (ClassNotFoundException ex) {
BootLogInstance.get().error("Permission class " + type + " not found");
} catch (InstantiationException ex) {
BootLogInstance.get().error("Cannot instantiate permission class " + type);
} catch (IllegalAccessException ex) {
BootLogInstance.get().error("Illegal access to permission class " + type);
} catch (NoSuchMethodException ex) {
BootLogInstance.get()
.error("Constructor not found on permission class " + type + " in plugin " + id);
} catch (InvocationTargetException ex) {
BootLogInstance.get().error("Error constructing permission class " + type, ex);
} catch (ClassCastException ex) {
BootLogInstance.get().error("Permission class " + type + " not instance of Permission");
}
}
}
} catch (MalformedURLException ex) {
BootLogInstance.get().error("Cannot create plugin codesource", ex);
}
}
public LanceFlags(ConfigurationElement config) {
this(config.getAttribute("name"));
}