package com.louis.ssh.web.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


import com.louis.ssh.hibernate.GeneralDao;

public interface Controller {

    public HttpServletRequest getRequest();

    public HttpServletResponse getResponse();

    public String getPathVariable(String pathVarName);

    public void dataPrepare();

    public GeneralDao getGeneralDao();

}
package com.louis.ssh.web.controller;

import java.lang.reflect.ParameterizedType;
import java.util.Map;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.ui.ModelMap;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.servlet.HandlerMapping;

import com.louis.ssh.hibernate.GeneralDao;

@SuppressWarnings("unchecked")
public abstract class AbstractController<T> implements Controller {

    private NativeWebRequest nativeWebRequest;
    private ModelMap model;
    private GeneralDao generalDao;
    private String redirectPath;
    private Class<T> clazz;

    public static final String SUFFIX = ".html";

    public AbstractController() {
    }

    @SuppressWarnings("unchecked")
    public String getPathVariable(String pathVarName) {
        HttpServletRequest request = getRequest();
        Map<String, String> uriTemplateVariables = (Map<String, String>) request.getAttribute(HandlerMapping.URI_TEMPLATE_VARIABLES_ATTRIBUTE);
        if (uriTemplateVariables == null) {
            return null;
        }
        return uriTemplateVariables.get(pathVarName);
    }

    public String redirect() {
        return "redirect:" + redirectPath + SUFFIX;
    }

    public void dataPrepare() {
    }

    public final HttpServletRequest getRequest() {
        return nativeWebRequest.getNativeRequest(HttpServletRequest.class);
    }

    public final HttpServletResponse getResponse() {
        return nativeWebRequest.getNativeResponse(HttpServletResponse.class);
    }

    public String getRedirectPath() {
        return redirectPath;
    }

    public void setRedirectPath(String redirectPath) {
        this.redirectPath = redirectPath;
    }

    public ModelMap getModel() {
        return model;
    }

    public void setModel(ModelMap model) {
        this.model = model;
    }

    public void setModel(String key, Object value) {
        if (this.model == null) {
            model = new ModelMap();
        }
        this.model.put(key, value);
    }

    public GeneralDao getGeneralDao() {
        return generalDao;
    }

    @Resource(name = "generalDao")
    public void setGeneralDao(GeneralDao generalDao) {
        this.generalDao = generalDao;
    }

    public Class<T> getClazz() {
        if (clazz == null) {
            clazz = (Class<T>) ((ParameterizedType) this.getClass()
                    .getGenericSuperclass()).getActualTypeArguments()[0];
        }
        return clazz;
    }

    protected void addTipText(Object message) {
        getRequest().getSession().setAttribute("tipText", message);
    }

    public NativeWebRequest getNativeWebRequest() {
        return nativeWebRequest;
    }

    public void setNativeWebRequest(NativeWebRequest nativeWebRequest) {
        this.nativeWebRequest = nativeWebRequest;
    }
}
package c