AppUtil.java
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package com.fh.util;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.codehaus.jackson.map.util.JSONPObject;
/** 接口参数校验
* @author: fh qq313596790[青苔]
* 修改日期：2015/11/2
*/
public class AppUtil {
protected static Logger logger = Logger.getLogger(AppUtil.class);
/**检查参数是否完整
* @param method
* @param pd
* @return
*/
public static boolean checkParam(String method, PageData pd){
boolean result = false;
int falseCount = 0;
String[] paramArray = new String[20];
String[] valueArray = new String[20];
String[] tempArray = new String[20]; //临时数组
if("registerSysUser".equals(method)){// 注册
paramArray = Const.SYSUSER_REGISTERED_PARAM_ARRAY; //参数
valueArray = Const.SYSUSER_REGISTERED_VALUE_ARRAY; //参数名称
}else if("getAppuserByUsernmae".equals(method)){//根据用户名获取会员信息
paramArray = Const.APP_GETAPPUSER_PARAM_ARRAY;
valueArray = Const.APP_GETAPPUSER_VALUE_ARRAY;
}
int size = paramArray.length;
for(int i=0;i<size;i++){
String param = paramArray[i];
if(!pd.containsKey(param)){
tempArray[falseCount] = valueArray[i]+"--"+param;
falseCount += 1;
}
}
if(falseCount>0){
logger.error(method+"接口，请求协议中缺少 "+falseCount+"个 参数");
for(int j=1;j<=falseCount;j++){
logger.error(" 第"+j+"个："+ tempArray[j-1]);
}
} else {
result = true;
}
return result;
}
/**
* 设置分页的参数
* @param pd
* @return
*/
public static PageData setPageParam(PageData pd){
String page_now_str = pd.get("page_now").toString();
int pageNowInt = Integer.parseInt(page_now_str)-1;
String page_size_str = pd.get("page_size").toString(); //每页显示记录数
int pageSizeInt = Integer.parseInt(page_size_str);
String page_now = pageNowInt+"";
String page_start = (pageNowInt*pageSizeInt)+"";
pd.put("page_now", page_now);
pd.put("page_start", page_start);
return pd;
}
/**设置list中的distance
* @param list
* @param pd
* @return
*/
public static List<PageData> setListDistance(List<PageData> list, PageData pd){
List<PageData> listReturn = new ArrayList<PageData>();
String user_longitude = "";
String user_latitude = "";
try{
user_longitude = pd.get("user_longitude").toString(); //"117.11811";
user_latitude = pd.get("user_latitude").toString(); //"36.68484";
} catch(Exception e){
logger.error("缺失参数--user_longitude和user_longitude");
logger.error("lost param：user_longitude and user_longitude");
}
PageData pdTemp = new PageData();
int size = list.size();
for(int i=0;i<size;i++){
pdTemp = list.get(i);
String longitude = pdTemp.get("longitude").toString();
String latitude = pdTemp.get("latitude").toString();
String distance = MapDistance.getDistance(
user_longitude, user_latitude,
longitude, latitude
);
pdTemp.put("distance", distance);
pdTemp.put("size", distance.length());
listReturn.add(pdTemp);
}
return listReturn;
}
/**
* @param pd
* @param map
* @return
*/
public static Object returnObject(PageData pd, Map map){
if(pd.containsKey("callback")){
String callback = pd.get("callback").toString();
return new JSONPObject(callback, map);
}else{
return map;
}
}
}