dzhh-backend/.svn/pristine/41/417d1a77dae7c8f1f8ab658fe4de9e2e6754df27.svn-base

package org.jeecg.modules.demo.untils;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import me.zhyd.oauth.log.Log;
import org.springframework.stereotype.Component;

import java.util.ArrayList;
import java.util.List;

@Component
public class geoinfo {
    public String geoinfo(String jd,String wd) {
        ArrayList<String> list=new ArrayList<>();
        JSONObject featureCollection = new JSONObject();
        String type = null;
        String substring;
        String r = null;

        //{"type":"LineString","crs":{"type":"name","properties":{"name":"EPSG:4490"}},"coordinates":[[117.02511407469186,36.58087944812466],[117.02303754894979,36.57606883015553],[117.02144554588087,36.587005199063775],[117.0279866019684,36.58648606762826],[117.02843651587918,36.579633532679416]]}
        //{"crs":{"type":"name","properties":{"name":"EPSG:4490"}},"coordinates":"[[117.21470515847446,36.68296526003463], [117.21191109558109,36.68172842050911], [117.21173959267449,36.684959929690315]]","type":"LinString"}
        //{"type":"Point","crs":{"type":"name","properties":{"name":"EPSG:4490"}},"coordinates":[116.35487452721023,36.195113571900855]}
        try {
            JSONObject properties = new JSONObject();
            properties.put("name","EPSG:4490");
            JSONObject crs = new JSONObject();
            crs.put("type","name");
            crs.put("properties",properties);
            // {"crs":{"type":"name","properties":{"name":"EPSG:4490"}},"type":"LinString","coordinates":[[117.21470515847446,36.68296526003463],[117.21191109558109,36.68172842050911],[117.21173959267449,36.684959929690315]]}
            featureCollection.put("crs",crs);
            if(jd.contains(",")&&wd.contains(",")){
                String[] a=jd.split(",");
                String[] b=wd.split(",");
                for (int i = 0; i <a.length ; i++) {
                    list.add("["+a[i]+","+b[i]+"]");
                }
                if(list.get(0).equals(list.get(list.size()-1))){
                    type="Polygon";
                    featureCollection.put("type", type);
                    substring = featureCollection.toString().substring(0, featureCollection.toString().length() - 1);
                    r=substring+","+"\""+"coordinates"+"\""+":"+"["+list.toString().replace(" ","")+"]"+"}";

                }else {
                    type="LineString";
                    featureCollection.put("type", type);
                    substring = featureCollection.toString().substring(0, featureCollection.toString().length() - 1);
                    r=substring+","+"\""+"coordinates"+"\""+":"+list.toString().replace(" ","")+"}";

                }
            }else{
                ArrayList<String> a=new ArrayList<>();
                a.add(jd);
                a.add(wd);
                type="Point";
                featureCollection.put("type", type);
                substring = featureCollection.toString().substring(0, featureCollection.toString().length() - 1);
                r=substring+","+"\""+"coordinates"+"\""+":"+a.toString().replace(" ","")+"}";

            }

        } catch (JSONException e) {
            Log.error("can't save json object: "+e.toString());
        }
        System.out.println(featureCollection.toString());
        System.out.println(r);
        return r;
    }
}