Java tutorial
/* * Copyright (C) 2017 the original author or authors. * * This file is part of jBB Application Project. * * Licensed under the Apache License, Version 2.0 (the "License"); * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 */ package org.jbb.frontend.web.acp.controller; import com.google.common.collect.Iterables; import java.util.List; import lombok.RequiredArgsConstructor; import org.jbb.frontend.api.acp.AcpCategory; import org.jbb.frontend.api.acp.AcpService; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller @RequiredArgsConstructor public class AcpController { private final AcpService acpService; @RequestMapping("/acp") public String acpMain() { List<AcpCategory> acpCategories = acpService.selectAllCategoriesOrdered(); return "redirect:/acp/" + Iterables.get(acpCategories, 0).getViewName(); } }