/**
* Copyright (c) 2005-2012 https://github.com/zhangkaitao
*
* Licensed under the Apache License, Version 2.0 (the "License");
*/
package com.sishuok.es.common.web.controller;
import com.sishuok.es.common.entity.AbstractEntity;
import com.sishuok.es.common.utils.ReflectUtils;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.ui.Model;
import org.springframework.util.Assert;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import java.io.Serializable;
/**
* 基础控制器
* <p>User: Zhang Kaitao
* <p>Date: 13-2-23 下午3:56
* <p>Version: 1.0
*/
public abstract class BaseController<M extends AbstractEntity, ID extends Serializable> {
/**
* 实体类型
*/
protected final Class<M> entityClass;
private String viewPrefix;
protected BaseController() {
this.entityClass = ReflectUtils.findParameterizedType(getClass(), 0);
setViewPrefix(defaultViewPrefix());
}
/**
* 设置通用数据
*
* @param model
*/
protected void setCommonData(Model model) {
}
/**
* 当前模块 视图的前缀
* 默认
* 1、获取当前类头上的@RequestMapping中的value作为前缀
* 2、如果没有就使用当前模型小写的简单类名
*/
public void setViewPrefix(String viewPrefix) {
if (viewPrefix.startsWith("/")) {
viewPrefix = viewPrefix.substring(1);
}
this.viewPrefix = viewPrefix;
}
public String getViewPrefix() {
return viewPrefix;
}
protected M newModel() {
try {
return entityClass.newInstance();
} catch (Exception e) {
throw new IllegalStateException("can not instantiated model : " + this.entityClass, e);
}
}
/**
* 获取视图名称：即prefixViewName + "/" + suffixName
*
* @return
*/
public String viewName(String suffixName) {
if (!suffixName.startsWith("/")) {
suffixName = "/" + suffixName;
}
return getViewPrefix() + suffixName;
}
/**
* 共享的验证规则
* 验证失败返回true
*
* @param m
* @param result
* @return
*/
protected boolean hasError(M m, BindingResult result) {
Assert.notNull(m);
return result.hasErrors();
}
/**
* @param backURL null 将重定向到默认getViewPrefix()
* @return
*/
protected String redirectToUrl(String backURL) {
if (StringUtils.isEmpty(backURL)) {
backURL = getViewPrefix();
}
if (!backURL.startsWith("/") && !backURL.startsWith("http")) {
backURL = "/" + backURL;
}
return "redirect:" + backURL;
}
protected String defaultViewPrefix() {
String currentViewPrefix = "";
RequestMapping requestMapping = AnnotationUtils.findAnnotation(getClass(), RequestMapping.class);
if (requestMapping != null && requestMapping.value().length > 0) {
currentViewPrefix = requestMapping.value()[0];
}
if (StringUtils.isEmpty(currentViewPrefix)) {
currentViewPrefix = this.entityClass.getSimpleName();
}
return currentViewPrefix;
}
}