public Collection<Class<? extends CloseableIndexComponent>> indexServices() {
List<Class<? extends CloseableIndexComponent>> services = Lists.newArrayList();
for (Plugin plugin : plugins.values()) {
services.addAll(plugin.indexServices());
}
return services;
}
public Collection<Class<? extends LifecycleComponent>> services() {
List<Class<? extends LifecycleComponent>> services = Lists.newArrayList();
for (Plugin plugin : plugins.values()) {
services.addAll(plugin.services());
}
return services;
}
public Collection<Class<? extends Module>> indexModules() {
List<Class<? extends Module>> modules = Lists.newArrayList();
for (Plugin plugin : plugins.values()) {
modules.addAll(plugin.indexModules());
}
return modules;
}
private Map<String, Plugin> loadPluginsFromClasspath(Settings settings) {
Map<String, Plugin> plugins = newHashMap();
Enumeration<URL> pluginUrls = null;
try {
pluginUrls = settings.getClassLoader().getResources("es-plugin.properties");
} catch (IOException e) {
logger.warn("Failed to find plugins from classpath", e);
}
while (pluginUrls.hasMoreElements()) {
URL pluginUrl = pluginUrls.nextElement();
Properties pluginProps = new Properties();
InputStream is = null;
try {
is = pluginUrl.openStream();
pluginProps.load(is);
String sPluginClass = pluginProps.getProperty("plugin");
Class<?> pluginClass = settings.getClassLoader().loadClass(sPluginClass);
Plugin plugin = (Plugin) pluginClass.newInstance();
plugins.put(plugin.name(), plugin);
} catch (Exception e) {
logger.warn("Failed to load plugin from [" + pluginUrl + "]", e);
} finally {
if (is != null) {
try {
is.close();
} catch (IOException e) {
// ignore
}
}
}
}
return plugins;
}