Enum CatHandler

integration/URL/CatFilter.java:55–290

	}

	private static enum CatHandler implements Handler {
		ENVIRONMENT {

			@Override
			public void handle(Context ctx) throws IOException, ServletException {
				HttpServletRequest req = ctx.getRequest();
				boolean top = !Cat.getManager().hasContext();

				ctx.setTop(top);

				if (top) {
					ctx.setType(CatConstants.TYPE_URL);

					setTraceMode(req);
				} else {
					ctx.setType(CatConstants.TYPE_URL_FORWARD);
				}

				ctx.handle();
			}

			protected void setTraceMode(HttpServletRequest req) {
				String traceMode = "X-CAT-TRACE-MODE";
				String headMode = req.getHeader(traceMode);

				if ("true".equals(headMode)) {
					Cat.getManager().setTraceMode(true);
				}
			}
		},

		ID_SETUP {
			private String m_servers;

			private String getCatServer() {
				if (m_servers == null) {
					DefaultMessageManager manager = (DefaultMessageManager) Cat.getManager();
					List<Server> servers = manager.getConfigManager().getServers();

					m_servers = Joiners.by(',').join(servers, new IBuilder<Server>() {
						@Override
						public String asString(Server server) {
							String ip = server.getIp();
							Integer httpPort = server.getHttpPort();

							return ip + ":" + httpPort;
						}
					});
				}

				return m_servers;
			}

			@Override
			public void handle(Context ctx) throws IOException, ServletException {
				boolean isTraceMode = Cat.getManager().isTraceMode();
				HttpServletResponse res = ctx.getResponse();