package com.se.simu.service;
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import cn.hutool.core.io.FileUtil;
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import cn.hutool.json.JSONArray;
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import cn.hutool.json.JSONObject;
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import cn.hutool.json.JSONUtil;
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import com.se.simu.config.PropertiesConfig;
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import com.se.simu.domain.dto.GeDb;
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import com.se.simu.domain.dto.GeField;
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import com.se.simu.domain.dto.GeFile;
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import com.se.simu.domain.dto.GeLayer;
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import com.se.simu.domain.po.DataPo;
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import com.se.simu.helper.RsaHelper;
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import com.se.simu.helper.ShpHelper;
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import com.se.simu.helper.StringHelper;
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import lombok.extern.slf4j.Slf4j;
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import org.gdal.gdal.Dataset;
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import org.gdal.gdal.WarpOptions;
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import org.gdal.gdal.gdal;
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import org.gdal.gdalconst.gdalconst;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import org.springframework.util.CollectionUtils;
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import org.springframework.web.client.RestTemplate;
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import javax.annotation.Resource;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.*;
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import java.util.stream.Collectors;
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/**
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* GEDB服务类
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*
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* @author WWW
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* @date 2024-09-12
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*/
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@Slf4j
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@Service
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@SuppressWarnings("ALL")
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public class GedbService {
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String password;
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@Resource
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PropertiesConfig config;
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@Resource
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RestTemplate restTemplate;
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public boolean test(DataPo data) throws Exception {
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createPath(config.getInPath() + File.separator + data.getInPath());
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String token = getToken();
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GeDb db = connectGedb(token, data);
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copeVectors(token, data, db);
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copeDem(token, data);
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return true;
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}
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private void createPath(String path) {
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File f = new File(path);
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if (f.exists() && f.isDirectory()) {
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FileUtil.del(f);
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}
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f.mkdirs();
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}
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public String getToken() throws Exception {
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Map<String, Object> map = new HashMap<>(2);
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map.put("userid", config.getUser());
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map.put("password", getPassword());
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JSONObject obj = restTemplate.postForObject(config.getHost() + "account-service/security/login", map, JSONObject.class);
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JSONObject data = obj.getJSONObject("data");
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return data.getStr("token");
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}
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private String getPassword() throws Exception {
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if (StringHelper.isEmpty(password)) {
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String key = getPublicKey();
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RsaHelper.setPublicKey(key);
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password = RsaHelper.encrypt(config.getPwd());
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}
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return password;
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}
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private String getPublicKey() {
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//{"datetime":"2024-09-12 17:24:38","code":200,"data":"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtFwJCh2taVTEi05C8qT2oG7Y+rDmJhlO4zicpSeRtiro9LsytePeWI7BXM6sfDU0WeKun1izawcfgGkZgnoJuMBluAOKI1tL0uCrR+DreNLqMVtnXHwoWEIk/hGJedDWaf3q22aGDyEB5h9qCq0JklSShP1Ih4ppap4LmgxdTPQIDAQAB"}
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JSONObject obj = restTemplate.getForObject(config.getHost() + "account-service/security/publickey", JSONObject.class);
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return obj.getStr("data");
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}
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public GeDb connectGedb(String token, DataPo data) {
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GeDb db = getSeDb(token);
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db.setBbox(data.getBbox());
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data.setEpsg(db.getEpsg());
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return db;
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}
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private GeDb getSeDb(String token) {
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Map<String, Object> map = new HashMap<>(1);
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map.put("token", token);
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JSONObject obj = restTemplate.postForObject(config.getHost() + "geo-service/entitydb/list/canview", map, JSONObject.class);
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JSONArray data = obj.getJSONArray("data");
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List<GeDb> list = JSONUtil.toList(data, GeDb.class);
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if (CollectionUtils.isEmpty(list)) return null;
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return list.stream().filter(db -> null != db.getName() && db.getName().contains(config.getDbName())).findFirst().orElse(null);
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}
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public List<GeLayer> getLayers(String token, GeDb db) {
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String uri = String.format("%sgeo-service/entitydb/map/config?dbid=%s&token=%s", config.getHost(), db.getDbid(), token);
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JSONObject obj = restTemplate.getForObject(uri, JSONObject.class);
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JSONObject data = obj.getJSONObject("data");
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JSONArray arr = data.getJSONArray("layers");
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if (null == arr || arr.size() == 0) return null;
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List<GeLayer> layers = new ArrayList<>();
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for (int i = 0, c = arr.size(); i < c; i++) {
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JSONObject jb = arr.getJSONObject(i);
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String name = jb.getStr("name");
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if (config.getLayerNames().contains(name)) {
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String id = jb.getStr("id");
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String queryType = getQueryType(jb);
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List<GeField> fields = JSONUtil.toList(jb.getJSONArray("fields"), GeField.class);
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fields = fields.stream().filter(f -> !config.getSysFields().contains(f.getName())).collect(Collectors.toList());
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String shpName = config.getShpNames().get(config.getLayerNames().indexOf(name));
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layers.add(new GeLayer(id, name, queryType, fields, shpName, db));
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}
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}
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return layers;
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}
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private String getQueryType(JSONObject jb) {
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String qt = jb.getStr("pointlod");
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if (!StringHelper.isEmpty(qt)) {
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return "point";
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}
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qt = jb.getStr("polylinelod");
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if (!StringHelper.isEmpty(qt)) {
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return "polyline";
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}
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return "polygon";
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}
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public void queryData(String token, GeDb db, List<GeLayer> layers) throws Exception {
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for (GeLayer layer : layers) {
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int count = getCount(token, db, layer);
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if (0 == count) throw new Exception(layer.getName() + "，图层数据为空");
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int pageCount = (count - 1) / config.getPageSize() + 1;
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for (int i = 0; i < pageCount; i++) {
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JSONArray data = query(token, db, layer, i + 1, config.getPageSize());
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if (null != data && data.size() > 0) {
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layer.addData(data);
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}
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}
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}
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}
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private int getCount(String token, GeDb db, GeLayer layer) {
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Map<String, Object> map = new HashMap<>(6);
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map.put("token", token);
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map.put("dbid", db.getDbid());
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map.put("bbox", db.getBbox());
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map.put("layerid", layer.getId());
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map.put("returnCountOnly", true);
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map.put("inSR", 4326);
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JSONObject obj = restTemplate.postForObject(config.getHost() + "geo-service/entitydbdata/layer/query", map, JSONObject.class);
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if (null == obj || 200 != obj.getInt("code")) return 0;
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return obj.getInt("data");
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}
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private JSONArray query(String token, GeDb db, GeLayer layer, int start, int count) {
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Map<String, Object> map = new HashMap<>(9);
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map.put("token", token);
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map.put("start", start);
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map.put("count", count);
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map.put("dbid", db.getDbid());
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map.put("bbox", db.getBbox());
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map.put("containCount", false);
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map.put("layerid", layer.getId());
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map.put("querytype", layer.getQueryType());
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map.put("inSR", 4326);
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JSONObject obj = restTemplate.postForObject(config.getHost() + "geo-service/entitydbdata/layer/query", map, JSONObject.class);
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if (null == obj || 200 != obj.getInt("code")) return null;
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JSONObject data = obj.getJSONObject("data");
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return data.getJSONArray("features");
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}
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public void copeVectors(String token, DataPo data, GeDb db) throws Exception {
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String basePath = config.getInPath() + File.separator + data.getInPath();
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List<GeLayer> layers = getLayers(token, db);
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queryData(token, db, layers);
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createShps(basePath, layers);
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}
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private void createShps(String basePath, List<GeLayer> layers) throws Exception {
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for (GeLayer layer : layers) {
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String path = String.format("%s\\%s.shp", basePath, layer.getShpName());
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if (!ShpHelper.createShp(path, layer)) {
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throw new Exception(layer.getName() + "，创建ShapeFile文件失败！");
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}
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}
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}
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public void copeDem(String token, DataPo data) throws Exception {
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GeDb fileDb = getFileDb(token);
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String fileId = getFileId(token, fileDb.getDbid());
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List<GeFile> files = getFileNames(token, fileDb.getDbid(), fileId);
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String filePath = config.getInPath() + File.separator + fileDb.getDbid();
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downloadFiles(token, filePath, files, fileDb.getDbid(), fileId);
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clipDemFile(filePath, files, data);
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}
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private GeDb getFileDb(String token) {
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String uri = String.format("%sfile-service/docdb/query/canview?token=%s", config.getHost(), token);
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JSONObject obj = restTemplate.getForObject(uri, JSONObject.class);
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JSONArray data = obj.getJSONArray("data");
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List<GeDb> list = JSONUtil.toList(data, GeDb.class);
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if (CollectionUtils.isEmpty(list)) return null;
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return list.stream().filter(db -> null != db.getName() && db.getName().contains(config.getDbName())).findFirst().orElse(null);
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}
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private String getFileId(String token, String dbid) {
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String uri = String.format("%sfile-service/doc/catagory/file/query?token=%s&dbid=%s&catagory=%s&count=%d&start=%d&like=",
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config.getHost(), token, dbid, "image", 9999, 1);
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JSONObject obj = restTemplate.getForObject(uri, JSONObject.class);
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JSONArray items = obj.getJSONObject("data").getJSONArray("items");
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for (int i = 0, c = items.size(); i < c; i++) {
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JSONObject jb = items.getJSONObject(i);
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if (config.getDemName().equals(jb.getStr("filename"))) {
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return jb.getStr("fileid");
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}
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}
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return null;
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}
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private List<GeFile> getFileNames(String token, String dbid, String fileId) {
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String uri = String.format("%sfile-service/doc/cluster/struct/list?token=%s&dbid=%s&cluster_fileid=%s&onlychild=true&folder_stairs=",
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config.getHost(), token, dbid, fileId);
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JSONObject obj = restTemplate.getForObject(uri, JSONObject.class);
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JSONArray data = obj.getJSONArray("data");
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return JSONUtil.toList(data, GeFile.class);
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}
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private void downloadFiles(String token, String path, List<GeFile> files, String dbid, String fileId) throws IOException {
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File f = new File(path);
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if (!f.exists() || !f.isDirectory()) {
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f.mkdirs();
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}
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for (GeFile geFile : files) {
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String filePath = path + File.separator + geFile.getName();
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f = new File(filePath);
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if (f.exists() && f.length() == geFile.getSize()) {
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continue;
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}
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if (f.exists() && f.length() < geFile.getSize()) {
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f.delete();
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}
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String uri = String.format("%sfile-service/fileparser/cluster/download/%s?token=%s&dbid=%s&cluster_fileid=%s",
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config.getHost(), geFile.getName(), token, dbid, fileId);
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downloadFile(uri, filePath);
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}
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}
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private void downloadFile(String uri, String filePath) throws IOException {
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URL url = new URL(uri);
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URLConnection conn = url.openConnection();
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InputStream is = conn.getInputStream();
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byte[] buffer = new byte[1024];
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FileOutputStream fs = new FileOutputStream(filePath);
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int read = 0, sum = 0;
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while ((read = is.read(buffer)) != -1) {
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sum += read;
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fs.write(buffer, 0, read);
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}
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fs.flush();
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fs.close();
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is.close();
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}
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private void clipDemFile(String filePath, List<GeFile> files, DataPo data) throws Exception {
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String target = config.getInPath() + File.separator + data.getInPath() + File.separator + config.getDemFile();
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for (GeFile file : files) {
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if (file.getName().toLowerCase().endsWith(config.getDemType())) {
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String source = filePath + File.separator + file.getName();
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clipDem(source, target, data);
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break;
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}
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}
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}
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private void clipDem(String source, String target, DataPo data) throws Exception {
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Dataset ds = null;
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try {
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ds = gdal.Open(source, gdalconst.GA_ReadOnly);
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if (null == ds || ds.getRasterCount() < 1 || null == ds.GetSpatialRef()) throw new Exception("DEM数据无效");
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// String bbox = "116.64388473935195,39.884315914604464,116.64754729082588,39.887069143903496";
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Vector<String> vector = new Vector<>();
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//vector.add("-s_srs");
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//vector.add("EPSG:" + 4326);
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vector.add("-t_srs");
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vector.add("EPSG:" + data.getEpsg());
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vector.add("-r");
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vector.add("bilinear");
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vector.add("-of");
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vector.add("GTiff");
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vector.add("-te");
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vector.add(data.getMinx().toString());
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vector.add(data.getMiny().toString());
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vector.add(data.getMaxx().toString());
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vector.add(data.getMaxy().toString());
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vector.add("-te_srs");
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vector.add("EPSG:" + 4326);
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WarpOptions warpOptions = new WarpOptions(vector);
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// gdalwarp -ot UInt16 -s_srs EPSG:4326 -t_srs EPSG:2382 -r bilinear -of GTiff -te 116.526854182 40.0481829856 116.532848182 40.0541769856
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// -te_srs EPSG:4326 -co COMPRESS=DEFLATE -co PREDICTOR=1 -co ZLEVEL=6 -co TILED=YES -wo OPTIMIZE_SIZE=TRUE E:\GDALhomework\000002.tif E:/CSDN/warped1.tif
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Dataset destDs = gdal.Warp(target, new Dataset[]{ds}, warpOptions);
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destDs.delete();
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} finally {
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if (null != ds) ds.delete();
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}
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}
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}
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