import javassist.runtime.Desc; //导入依赖的package包/类
public AgentClassFileTransformer(NodeList pluginsConfig, TestGeneratorLogger logger, Properties props, TestGeneratorNanoHTTPD server) {
	this.logger = logger;

	ListenerManagerConfig config = new ListenerManagerConfig(props, logger);
	ListenerManager manager = new ListenerManager(config);

	server.registerListener(logger);
	server.registerListener(manager);
	server.registerUpdatableProperties("Output file", logger.getProperties());

	// FIXME: a etudier Pr le $sig, on charge les classes depuis un context loader, sinon elles ne seront pas trouvées dans le classpath.
	Desc.useContextClassLoader = true;

	// TODO improvement: be able to register plugin updatable properties.

	for (Element pluginConfig : XMLUtils.extractElementsFromNodeList(pluginsConfig, AgentConfigTags.PLUGIN, true)) {
		try {
			String pluginClass = pluginConfig.getAttribute(AgentConfigCommonAttr.CLASS);
			Plugin plugin = (Plugin) Class.forName(pluginClass).newInstance();
			plugins.add(plugin);
			plugin.start(pluginConfig, manager);
		} catch (Exception e) {
			throw new RuntimeException(e);
		}
	}
}