package com.lyms.hospital.session;


import javax.security.auth.login.LoginContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;

/**
 * session 能力提供
 * <p>
 * <p>
 * Created by Administrator on 2016/6/2 0002.
 */
public class SessionProvider implements ISessionProvider {
    /**
     * 配置
     */
    private Map<String, ISessionProvider> iSessionProviderMap;
    /**
     * 默认的session提供
     */
    private ISessionProvider defaultSessionProvider;
    /**
     * 当前策略
     */
    private String currentStrateger;

    public String getCurrentStrateger() {
        return currentStrateger;
    }

    public void setCurrentStrateger(String currentStrateger) {
        this.currentStrateger = currentStrateger;
    }

    public ISessionProvider getDefaultSessionProvider() {
        return defaultSessionProvider;
    }

    public void setDefaultSessionProvider(ISessionProvider defaultSessionProvider) {
        this.defaultSessionProvider = defaultSessionProvider;
    }

    public Map<String, ISessionProvider> getiSessionProviderMap() {
        return iSessionProviderMap;
    }

    public void setiSessionProviderMap(Map<String, ISessionProvider> iSessionProviderMap) {
        this.iSessionProviderMap = iSessionProviderMap;
    }

    @Override
    public LoginContext checkSession(HttpServletRequest request, HttpServletResponse response, String token) {
        ISessionProvider iSessionProvider = iSessionProviderMap.get(currentStrateger);
        if (null != iSessionProvider) {
            return iSessionProvider.checkSession(request, response, token);
        }
        if (null != defaultSessionProvider) {
            return defaultSessionProvider.checkSession(request, response, token);
        }
        return null;
    }

    @Override
    public void removeSession(String token) {
        ISessionProvider iSessionProvider = iSessionProviderMap.get(currentStrateger);
        if (null != iSessionProvider) {
            iSessionProvider.removeSession(token);
        }
        if (null != defaultSessionProvider) {
            defaultSessionProvider.removeSession(token);
        }
    }
}