public boolean isActivated() {
if (pluginsWithCycle == null) {
pluginsWithCycle = new ArrayList<String>();
for (PluginWrapper p : Jenkins.getInstance().getPluginManager().getPlugins()) {
if (p.hasCycleDependency()) {
pluginsWithCycle.add(p.getShortName());
isActive = true;
}
}
}
return isActive;
}
/** TODO: revisit where/how to expose this. This is an experiment. */
public void dynamicLoad(File arc)
throws IOException, InterruptedException, RestartRequiredException {
LOGGER.info("Attempting to dynamic load " + arc);
final PluginWrapper p = strategy.createPluginWrapper(arc);
String sn = p.getShortName();
if (getPlugin(sn) != null)
throw new RestartRequiredException(
Messages._PluginManager_PluginIsAlreadyInstalled_RestartRequired(sn));
if (p.supportsDynamicLoad() == YesNoMaybe.NO)
throw new RestartRequiredException(
Messages._PluginManager_PluginDoesntSupportDynamicLoad_RestartRequired(sn));
// there's no need to do cyclic dependency check, because we are deploying one at a time,
// so existing plugins can't be depending on this newly deployed one.
plugins.add(p);
activePlugins.add(p);
try {
p.resolvePluginDependencies();
strategy.load(p);
Jenkins.getInstance().refreshExtensions();
p.getPlugin().postInitialize();
} catch (Exception e) {
failedPlugins.add(new FailedPlugin(sn, e));
activePlugins.remove(p);
plugins.remove(p);
throw new IOException("Failed to install " + sn + " plugin", e);
}
// run initializers in the added plugin
Reactor r = new Reactor(InitMilestone.ordering());
r.addAll(
new InitializerFinder(p.classLoader) {
@Override
protected boolean filter(Method e) {
return e.getDeclaringClass().getClassLoader() != p.classLoader || super.filter(e);
}
}.discoverTasks(r));
try {
new InitReactorRunner().run(r);
} catch (ReactorException e) {
throw new IOException("Failed to initialize " + sn + " plugin", e);
}
LOGGER.info("Plugin " + sn + " dynamically installed");
}
/**
* Get the plugin instance with the given short name.
*
* @param shortName the short name of the plugin
* @return The plugin singleton or <code>null</code> if a plugin with the given short name does
* not exist.
*/
public PluginWrapper getPlugin(String shortName) {
for (PluginWrapper p : plugins) {
if (p.getShortName().equals(shortName)) return p;
}
return null;
}
