Examples with IPluginManagerListener org.pentaho.platform.api.engine.IPluginManagerListener used on opensource projects

Example 1 with IPluginManagerListener

use of org.pentaho.platform.api.engine.IPluginManagerListener in project pentaho-platform by pentaho.

the class PentahoSystemPluginManager method reload.

@Override
public boolean reload(IPentahoSession session) {
    boolean anyErrors = false;
    IPluginProvider pluginProvider = PentahoSystem.get(IPluginProvider.class, "IPluginProvider", session);
    List<IPlatformPlugin> providedPlugins = Collections.emptyList();
    try {
        this.unloadPlugins();
        // the plugin may fail to load during getPlugins without an exception thrown if the provider
        // is capable of discovering the plugin fine but there are structural problems with the plugin
        // itself. In this case a warning should be logged by the provider, but, again, no exception
        // is expected.
        providedPlugins = pluginProvider.getPlugins(session);
    } catch (PlatformPluginRegistrationException e1) {
        String msg = Messages.getInstance().getErrorString("PluginManager.ERROR_0012_PLUGIN_DISCOVERY_FAILED");
        org.pentaho.platform.util.logging.Logger.error(getClass().toString(), msg, e1);
        PluginMessageLogger.add(msg);
        anyErrors = true;
    }
    for (IPlatformPlugin plugin : providedPlugins) {
        try {
            IPlatformPlugin existingPlugin = PentahoSystem.get(IPlatformPlugin.class, null, Collections.singletonMap(PLUGIN_ID, plugin.getId()));
            if (existingPlugin != null) {
                throw new PlatformPluginRegistrationException(Messages.getInstance().getErrorString("PluginManager.ERROR_0024_PLUGIN_ALREADY_LOADED_BY_SAME_NAME", plugin.getId()));
            }
            final ClassLoader classloader = createClassloader(plugin);
            // Register the classloader, Spring App Context and Object Factory with PentahoSystem
            IPentahoObjectRegistration handle = PentahoSystem.registerReference(new SingletonPentahoObjectReference.Builder<IPlatformPlugin>(IPlatformPlugin.class).object(plugin).attributes(Collections.<String, Object>singletonMap(PLUGIN_ID, plugin.getId())).build(), IPlatformPlugin.class);
            registerReference(plugin.getId(), handle);
            handle = PentahoSystem.registerReference(new SingletonPentahoObjectReference.Builder<ClassLoader>(ClassLoader.class).object(classloader).attributes(Collections.<String, Object>singletonMap(PLUGIN_ID, plugin.getId())).build(), ClassLoader.class);
            registerReference(plugin.getId(), handle);
            final GenericApplicationContext beanFactory = createBeanFactory(plugin, classloader);
            final StandaloneSpringPentahoObjectFactory pentahoFactory = new StandaloneSpringPentahoObjectFactory("Plugin Factory ( " + plugin.getId() + " )");
            pentahoFactory.init(null, beanFactory);
            beanFactory.refresh();
            handle = PentahoSystem.registerReference(new SingletonPentahoObjectReference.Builder<GenericApplicationContext>(GenericApplicationContext.class).object(beanFactory).attributes(Collections.<String, Object>singletonMap(PLUGIN_ID, plugin.getId())).build(), IPentahoRegistrableObjectFactory.Types.ALL);
            registerReference(plugin.getId(), handle);
            handle = PentahoSystem.registerReference(new SingletonPentahoObjectReference.Builder<IPentahoObjectFactory>(IPentahoObjectFactory.class).object(pentahoFactory).attributes(Collections.<String, Object>singletonMap(PLUGIN_ID, plugin.getId())).build(), IPentahoObjectFactory.class);
            registerReference(plugin.getId(), handle);
        } catch (Throwable t) {
            // this has been logged already
            anyErrors = true;
            String msg = Messages.getInstance().getErrorString("PluginManager.ERROR_0011_FAILED_TO_REGISTER_PLUGIN", plugin.getId());
            org.pentaho.platform.util.logging.Logger.error(getClass().toString(), msg, t);
            PluginMessageLogger.add(msg);
        }
    }
    for (IPlatformPlugin plugin : providedPlugins) {
        try {
            registerPlugin(plugin);
        } catch (Throwable t) {
            // this has been logged already
            anyErrors = true;
            String msg = Messages.getInstance().getErrorString("PluginManager.ERROR_0011_FAILED_TO_REGISTER_PLUGIN", plugin.getId());
            org.pentaho.platform.util.logging.Logger.error(getClass().toString(), msg, t);
            PluginMessageLogger.add(msg);
        }
    }
    IServiceManager svcManager = PentahoSystem.get(IServiceManager.class, null);
    if (svcManager != null) {
        try {
            svcManager.initServices();
        } catch (ServiceInitializationException e) {
            String msg = Messages.getInstance().getErrorString("PluginManager.ERROR_0022_SERVICE_INITIALIZATION_FAILED");
            org.pentaho.platform.util.logging.Logger.error(getClass().toString(), msg, e);
            PluginMessageLogger.add(msg);
        }
    }
    for (IPluginManagerListener listener : listeners) {
        listener.onReload();
    }
    return !anyErrors;
}

Example 2 with IPluginManagerListener

use of org.pentaho.platform.api.engine.IPluginManagerListener in project pentaho-platform by pentaho.

the class PluginDispatchServlet method init.

public void init(final ServletConfig config) throws ServletException {
    this.servletConfig = config;
    pluginManager.addPluginManagerListener(new IPluginManagerListener() {

        @Override
        public void onReload() {
            try {
                initialized = false;
                doInit();
            } catch (ServletException e) {
                logger.error(e);
            }
        }
    });
    doInit();
}