package com.se.simu.service;
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import cn.hutool.core.io.FileUtil;
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import com.alibaba.fastjson.JSON;
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import com.se.simu.config.PropertiesConfig;
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import com.se.simu.domain.dto.BuildingDto;
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import com.se.simu.domain.dto.ExtensionDto;
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import com.se.simu.domain.dto.LayerDto;
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import com.se.simu.domain.dto.ResultDto;
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import com.se.simu.domain.po.DataPo;
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import com.se.simu.domain.vo.BuildingDepthVo;
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import com.se.simu.helper.GdalHelper;
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import com.se.simu.helper.ShpHelper;
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import lombok.extern.slf4j.Slf4j;
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import org.gdal.gdal.Band;
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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.gdal.ogr.*;
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import org.springframework.stereotype.Service;
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import org.springframework.util.CollectionUtils;
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import javax.annotation.Resource;
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.*;
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import java.math.BigDecimal;
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import java.math.RoundingMode;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.List;
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import java.util.concurrent.CopyOnWriteArrayList;
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/**
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* 处理结果服务类
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*
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* @author WWW
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* @date 2024-09-29
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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 ResultService {
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@Resource
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PropertiesConfig config;
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public final static double MAX_X_OFFSET = 0;
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private final static SimpleDateFormat SDF = new SimpleDateFormat("yyyy-MM-dd HH:mm");
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public void process(DataPo data) throws Exception {
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String basePath = config.getInPath() + File.separator + data.getInPath() + File.separator;
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ResultDto dto = new ResultDto(
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data.getInPath(),
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basePath + config.getTerrainFile(),
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basePath + config.getBuildingFile(),
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basePath + config.getWaterPath(),
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basePath + config.getFlowPath(),
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config.getOutPath(),
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data.getEpsg());
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LayerDto layer = new LayerDto(config.getVer(), data.getEpsg(), config.getSizes());
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process(dto, layer);
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}
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private void process(ResultDto dto, LayerDto layer) throws Exception {
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try {
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copeTerrain(dto, layer);
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copeBuilding(dto, layer);
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List<BuildingDepthVo> buildings = copeWater(dto, layer);
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copeFlow(dto, layer);
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copeLayerJson(dto, layer);
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copeRainFallJson(dto, layer);
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copeBuildingDepthJson(dto, buildings);
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} finally {
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File dir = new File(dto.getTemp());
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if (dir.exists()) {
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FileUtil.del(dir);
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}
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}
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}
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/**
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* 地形
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*/
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private void copeTerrain(ResultDto dto, LayerDto layer) {
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Dataset ds = null;
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try {
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ds = gdal.Open(dto.getTerrainFile(), gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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setTerrainInfo(ds, layer);
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setWaterInfo(dto, layer);
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createTerrainPng(dto, ds, layer);
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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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private void setTerrainInfo(Dataset ds, LayerDto layer) {
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Geometry minPoint = GdalHelper.getMinPoint(ds);
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Geometry maxPoint = GdalHelper.getMaxPoint(ds);
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double minx = getMinVal(minPoint.GetX(0), 10000000);
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double miny = getMinVal(minPoint.GetY(0), 10000000);
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double maxx = getMaxVal(maxPoint.GetX(0) + MAX_X_OFFSET, 10000000);
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double maxy = getMaxVal(maxPoint.GetY(0), 10000000);
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//layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, Double.MAX_VALUE, Double.MIN_VALUE));
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Band band = ds.GetRasterBand(1);
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double[] mm = new double[2];
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band.ComputeRasterMinMax(mm, 0);
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//layer.getTerrain().setHeight(getMinVal(mm[0], 1000), getMaxVal(mm[1], 1000));
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layer.setExtension(new ExtensionDto(minx, miny, maxx, maxy, getMinVal(mm[0] - 1, 1000), getMaxVal(mm[1] + 1, 1000)));
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}
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private static double getMinVal(double val, double radix) {
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return ((long) Math.floor(val * radix)) / radix;
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}
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private static double getMaxVal(double val, double radix) {
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return ((long) Math.ceil(val * radix)) / radix;
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}
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private void createTerrainPng(ResultDto dto, Dataset ds, LayerDto layer) {
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String terrainPath = dto.getOutPath() + File.separator + "terrain";
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File f = new File(terrainPath);
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if (!f.exists() || !f.isDirectory()) f.mkdirs();
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for (int[] sizes : layer.getTerrain().getSize()) {
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String tif = dto.getTemp() + File.separator + "terrain_" + sizes[0] + "_" + sizes[1] + ".tif";
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Resample(ds, tif, sizes[0], sizes[1], layer);
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if (!new File(tif).exists()) continue;
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String png = terrainPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
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Terrain2Png(layer, tif, png, sizes[0], sizes[1]);
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}
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}
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/**
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* 重采样: https://blog.51cto.com/u_16099346/6691820
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*/
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private static void Resample(Dataset ds, String dest, int width, int height, LayerDto layer) {
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Vector<String> vector = new Vector<>();
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//vector.add("-s_srs");
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//vector.add("EPSG:" + 4548);
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//vector.add("-t_srs");
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//vector.add("EPSG:" + 4326);
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vector.add("-ts");
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vector.add("" + width);
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vector.add("" + height);
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//vector.add("-te");
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//vector.add("" + layer.getExtension().getMinx());
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//vector.add("" + layer.getExtension().getMiny());
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//vector.add("" + layer.getExtension().getMaxx());
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//vector.add("" + layer.getExtension().getMaxy());
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//vector.add("-te_srs");
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//vector.add("EPSG:" + 4326);
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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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WarpOptions warpOptions = new WarpOptions(vector);
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Dataset destDs = gdal.Warp(dest, new Dataset[]{ds}, warpOptions);
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destDs.delete();
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}
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private static void Terrain2Png(LayerDto layer, String tif, String png, int width, int height) {
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Dataset ds = null;
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try {
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ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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Band band = ds.GetRasterBand(1);
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float[] buffer = new float[width * height];
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//band.ReadRaster(0, 0, width, height, buffer, width, height, 0, 0);
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band.ReadRaster(0, 0, width, height, buffer);
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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double differ = layer.getExtension().getMaxHeight() - layer.getExtension().getMinHeight(), minHeight = layer.getExtension().getMinHeight();
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
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int r = 0, g, b;
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if (buffer[offset] - layer.getExtension().getMaxHeight() > 0) {
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g = b = 255;
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} else {
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int val = (int) ((buffer[offset] - minHeight) / differ * 65535);
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g = val / 256;
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b = val % 256;
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}
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Color color = new Color(r, g, b, 127);
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//graphic.drawImage(image, x, y, 1, 1, color, null);
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image.setRGB(x, y, color.getRGB());
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}
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}
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savePng(image, png);
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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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private static BufferedImage createImage(int width, int height) {
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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Graphics2D graphic = image.createGraphics();
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Color transparent = new Color(0, 0, 0, 0);
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graphic.setColor(transparent);
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graphic.clearRect(0, 0, width, height);
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graphic.dispose();
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return image;
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}
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private static void savePng(BufferedImage image, String png) {
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try {
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ImageIO.write(image, "png", new File(png));
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} catch (Exception ex) {
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log.error(ex.getMessage(), ex);
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}
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}
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/**
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* 建筑
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*/
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private void copeBuilding(ResultDto dto, LayerDto layer) {
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Driver driver = null;
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DataSource dataSource = null;
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Layer shpLayer = null;
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try {
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driver = ogr.GetDriverByName("ESRI shapefile");
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if (null == driver) return;
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dataSource = driver.Open(dto.getBuildingFile());
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if (null == dataSource) return;
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shpLayer = dataSource.GetLayer(0);
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if (shpLayer.GetFeatureCount() < 1) return;
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do {
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Feature f = shpLayer.GetNextFeature();
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if (null == f) break;
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String id = f.GetFieldAsString(config.getBuildingKey());
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BuildingDto building = new BuildingDto(id, f.GetGeometryRef());
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dto.getBuildingList().add(building);
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} while (true);
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} finally {
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if (null != shpLayer) shpLayer.delete();
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if (null != dataSource) dataSource.delete();
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if (null != driver) driver.delete();
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}
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}
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/**
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* 水面
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*/
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private void setWaterInfo(ResultDto dto, LayerDto layer) {
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List<String> files = getFiles(dto.getWaterPath(), ".tif");
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layer.getWaters().setFiles(files);
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if (null == files || files.size() == 0) return;
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setWaterData(layer, files);
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setWaterHeight(layer, files);
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}
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private List<BuildingDepthVo> copeWater(ResultDto dto, LayerDto layer) {
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List<String> files = layer.getWaters().getFiles();
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if (files.size() == 0 || files.size() != layer.getWaters().getData().size()) return null;
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processWaters(dto, files, layer);
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return processBuilding(dto, files, layer);
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}
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private static List<String> getFiles(String path, String suffix) {
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List<String> files = new ArrayList<>();
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getFiles(files, new File(path), suffix);
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files.sort((a, b) -> a.compareToIgnoreCase(b));
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return files;
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}
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private static void getFiles(List<String> files, File file, String suffix) {
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if (!file.exists()) return;
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if (file.isDirectory()) {
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File[] fileList = file.listFiles();
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for (File f : fileList) {
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if (f.isDirectory()) {
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getFiles(files, f, suffix);
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} else {
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if (f.getName().toLowerCase().endsWith(suffix)) {
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files.add(f.getPath());
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}
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}
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}
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} else {
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if (file.getName().toLowerCase().endsWith(suffix)) {
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files.add(file.getPath());
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}
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}
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}
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private static void setWaterData(LayerDto layer, List<String> files) {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(new Date());
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calendar.set(Calendar.MILLISECOND, 0);
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for (String file : files) {
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String fileName = getNameWithExt(file);
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int year = Integer.parseInt(fileName.substring(0, 4));
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int month = Integer.parseInt(fileName.substring(4, 6));
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int day = Integer.parseInt(fileName.substring(6, 8));
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int hour = Integer.parseInt(fileName.substring(8, 10));
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int minute = Integer.parseInt(fileName.substring(10, 12));
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int second = Integer.parseInt(fileName.substring(12, 14));
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calendar.set(Calendar.YEAR, year);
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calendar.set(Calendar.MONTH, month);
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calendar.set(Calendar.DAY_OF_MONTH, day);
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calendar.set(Calendar.HOUR_OF_DAY, hour);
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calendar.set(Calendar.MINUTE, minute);
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calendar.set(Calendar.SECOND, second);
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layer.getWaters().getData().add(calendar.getTime().getTime());
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}
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layer.getDuration().setStart(layer.getWaters().getData().get(0));
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layer.getDuration().setEnd(layer.getWaters().getData().get(layer.getWaters().getData().size() - 1));
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}
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private static void setWaterHeight(LayerDto layer, List<String> files) {
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files.parallelStream().forEach(file -> {
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Dataset ds = null;
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try {
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ds = gdal.Open(file, gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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double[] mm = new double[2];
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ds.GetRasterBand(1).ComputeRasterMinMax(mm, 0);
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//layer.getExtension().setHeight(mm[0], mm[1]);
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layer.getWaters().setHeight(mm[0], mm[1]);
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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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//layer.getExtension().setMinHeight(getMinVal(layer.getExtension().getMinHeight() - 1, 1000));
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//layer.getExtension().setMaxHeight(getMaxVal(layer.getExtension().getMaxHeight() + 1, 1000));
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layer.getWaters().setMinHeight(getMinVal(layer.getWaters().getMinHeight() - 1, 1000));
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layer.getWaters().setMaxHeight(getMaxVal(layer.getWaters().getMaxHeight() + 1, 1000));
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}
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private static void processWaters(ResultDto dto, List<String> files, LayerDto layer) {
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for (int i = 0, c = files.size(); i < c; i++) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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createWaterPng(dto, ds, layer, layer.getWaters().getData().get(i));
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copyWaterTif(dto, ds, layer.getWaters().getData().get(i));
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createVectorShp(dto, ds, layer, layer.getWaters().getData().get(i));
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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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private static void createWaterPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
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String waterPath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks;
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File dir = new File(waterPath);
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if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
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for (int[] sizes : layer.getTerrain().getSize()) {
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String fileName = getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
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String tif = dto.getTemp() + File.separator + fileName + ".tif";
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Resample(ds, tif, sizes[0], sizes[1], layer);
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if (!new File(tif).exists()) continue;
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String png = waterPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
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water2Png(dto, layer, tif, png, sizes[0], sizes[1]);
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}
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}
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private static String getNameWithExt(String file) {
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return file.substring(file.lastIndexOf(File.separator) + 1, file.lastIndexOf("."));
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}
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private static void water2Png(ResultDto dto, LayerDto layer, String tif, String png, int width, int height) {
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Dataset ds = null;
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try {
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ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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Band band = ds.GetRasterBand(1);
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float[] buffer = new float[width * height];
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band.ReadRaster(0, 0, width, height, buffer);
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double[] transform = ds.GetGeoTransform();
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BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
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double differ = layer.getExtension().getMaxHeight() - layer.getExtension().getMinHeight(), minHeight = layer.getExtension().getMinHeight();
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for (int x = 0; x < width; x++) {
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for (int y = 0; y < height; y++) {
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int offset = x + y * width;
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if (Float.isNaN(buffer[offset]) || buffer[offset] < -999 || buffer[offset] < minHeight) continue;
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//double X = transform[0] + x * transform[1] + y * transform[2];
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//double Y = transform[3] + x * transform[4] + y * transform[5];
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//BuildingDto building = intersects(dto, X, Y);
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//if (null != building) continue;
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int r = 0, g, b;
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if (buffer[offset] - layer.getExtension().getMaxHeight() > 0) {
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g = b = 255;
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} else {
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int val = (int) ((buffer[offset] - minHeight) / differ * 65535);
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g = val / 256;
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b = val % 256;
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}
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Color color = new Color(r, g, b, 127);
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image.setRGB(x, y, color.getRGB());
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}
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}
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savePng(image, png);
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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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* 是否相交
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* https://blog.csdn.net/flyingshineangel/article/details/135423025
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*/
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private static BuildingDto intersects(ResultDto dto, double x, double y) {
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Geometry p = new Geometry(ogr.wkbPoint);
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p.AddPoint_2D(x, y);
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p.AssignSpatialReference(dto.getBuildingList().get(0).getGeom().GetSpatialReference());
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return dto.getBuildingList().parallelStream().filter(b -> b.getGeom().Intersects(p)).findFirst().orElse(null);
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}
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private List<BuildingDepthVo> processBuilding(ResultDto dto, List<String> files, LayerDto layer) {
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List<BuildingDepthVo> list = new CopyOnWriteArrayList<>();
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for (int i = 0, c = files.size(); i < c; i++) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) continue;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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copeBuildingDepth(dto, ds, layer.getWaters().getData().get(i), list);
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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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return list;
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}
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private void copeBuildingDepth(ResultDto dto, Dataset ds, long ticks, List<BuildingDepthVo> list) {
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double[] transform = ds.GetGeoTransform();
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int xSize = ds.getRasterXSize(), ySize = ds.getRasterYSize();
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double minX = transform[0], pixelWidth = transform[1], maxY = transform[3], pixelHeight = Math.abs(transform[5]);
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for (BuildingDto building : dto.getBuildingList()) {
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Double val = getValue(ds, building, xSize, ySize, minX, maxY, pixelWidth, pixelHeight);
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list.add(new BuildingDepthVo(building.getId(), ticks, val));
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}
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}
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private Double getValue(Dataset ds, BuildingDto building, int xSize, int ySize, double minX, double maxY, double pixelWidth, double pixelHeight) {
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double[] env = new double[4];
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building.getGeom().GetEnvelope(env);
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int startX = (int) Math.floor((env[0] - minX) / pixelWidth);
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int endX = (int) Math.floor((env[1] - minX) / pixelWidth);
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int startY = (int) Math.floor((maxY - env[3]) / Math.abs(pixelHeight));
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int endY = (int) Math.floor((maxY - env[2]) / Math.abs(pixelHeight));
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if (startX < 0) startX = 0;
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if (startY < 0) startY = 0;
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if (endX > ds.getRasterXSize()) endX = ds.getRasterXSize();
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if (endY > ds.getRasterYSize()) endY = ds.getRasterYSize();
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if (endX - startX < 1 || endY - startY < 1) return null;
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int width = endX - startX;
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int height = endY - startY;
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double[] pixelValues = new double[width * height];
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ds.GetRasterBand(1).ReadRaster(startX, startY, width, height, pixelValues);
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Double val = Arrays.stream(pixelValues).max().getAsDouble();
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return isValid(val) ? val : null;
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}
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public static boolean isValid(Double val) {
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return !Double.isNaN(val) && val > Integer.MIN_VALUE;
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}
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private static void copyWaterTif(ResultDto dto, Dataset ds, long ticks) {
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String source = ds.GetDescription();
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String target = dto.getOutPath() + File.separator + "waters" + File.separator + ticks + File.separator + "water.tif";
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FileUtil.copyFile(source, target);
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}
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private static void createVectorShp(ResultDto dto, Dataset ds, LayerDto layer, Long ticks) {
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String filePath = dto.getOutPath() + File.separator + "waters" + File.separator + ticks + File.separator + "water.geojson";
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ShpHelper.polygonize2Geojson(ds, filePath);
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}
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private void copeFlow(ResultDto dto, LayerDto layer) {
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List<String> files = getFiles(dto.getFlowPath(), ".tif");
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if (null == files || files.size() != layer.getWaters().getData().size()) return;
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for (int i = 0, c = files.size(); i < c; i++) {
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Dataset ds = null;
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try {
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ds = gdal.Open(files.get(i), gdalconst.GA_ReadOnly);
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if (null == ds || 0 == ds.getRasterCount()) return;
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if (null == ds.GetSpatialRef()) ds.SetSpatialRef(dto.getSpatialReference());
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createFlowPng(dto, ds, layer, layer.getWaters().getData().get(i));
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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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private static void createFlowPng(ResultDto dto, Dataset ds, LayerDto layer, long ticks) {
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String flowPath = dto.getOutPath() + File.separator + "flows" + File.separator + ticks;
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File dir = new File(flowPath);
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if (!dir.exists() || !dir.isDirectory()) dir.mkdirs();
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|
for (int[] sizes : layer.getTerrain().getSize()) {
|
String name = getNameWithExt(ds.GetDescription()) + "_" + sizes[0] + "_" + sizes[1];
|
String tif = dto.getTemp() + File.separator + name + ".tif";
|
Resample(ds, tif, sizes[0], sizes[1], layer);
|
if (!new File(tif).exists()) continue;
|
|
String png = flowPath + File.separator + sizes[0] + "_" + sizes[1] + ".png";
|
vxyTif2Png(layer, tif, png, sizes[0], sizes[1]);
|
}
|
}
|
|
private static void vxyTif2Png(LayerDto layer, String tif, String png, int width, int height) {
|
Dataset ds = null;
|
try {
|
ds = gdal.Open(tif, gdalconst.GA_ReadOnly);
|
if (null == ds || 0 == ds.getRasterCount()) return;
|
|
float[] vxBuffer = new float[width * height], vyBuffer = new float[width * height];
|
ds.GetRasterBand(1).ReadRaster(0, 0, width, height, vxBuffer);
|
ds.GetRasterBand(2).ReadRaster(0, 0, width, height, vyBuffer);
|
|
createFlowPng(vxBuffer, vyBuffer, png, width, height);
|
} finally {
|
if (null != ds) ds.delete();
|
}
|
}
|
|
private static void createFlowPng(float[] vxBuffer, float[] vyBuffer, String png, int width, int height) {
|
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
|
// 用 R通道表示，流向为归一化的二维向量（x,y），G通道表示为 x *255 , B通道表示为 y * 255
|
for (int x = 0; x < width; x++) {
|
for (int y = 0; y < height; y++) {
|
int offset = x + y * width;
|
float fx = getFloatValue(vxBuffer[offset]);
|
float fy = getFloatValue(vyBuffer[offset]);
|
if (Float.isNaN(fx) && Float.isNaN(fy) || (fx == 0 && fy == 0)) continue;
|
|
fx = Float.isNaN(fx) ? 0 : fx;
|
fy = Float.isNaN(fy) ? 0 : fy;
|
double dr = Math.sqrt(Math.pow(fx, 2) + Math.pow(fy, 2));
|
|
int r = (int) (dr / 4 * 255);
|
int g = (int) ((fx / dr * 0.5 + 0.5) * 255);
|
int b = (int) ((fy / dr * 0.5 + 0.5) * 255);
|
|
Color color = new Color(getSafeValue(r), getSafeValue(g), getSafeValue(b), 127);
|
image.setRGB(x, y, color.getRGB());
|
}
|
}
|
savePng(image, png);
|
}
|
|
private static float getFloatValue(float val) {
|
return (Float.isNaN(val) || val < -999) ? Float.NaN : val;
|
}
|
|
private static int getSafeValue(int val) {
|
if (val < 0) return 0;
|
if (val > 255) return 255;
|
|
return val;
|
}
|
|
/**
|
* 元数据
|
*/
|
private void copeLayerJson(ResultDto dto, LayerDto layer) throws IOException {
|
layer.getWaters().setFiles(null);
|
layer.getTerrain().setEpsg(null);
|
|
String json = JSON.toJSONString(layer);
|
// String json = JSONUtil.toJsonPrettyStr(layer);
|
String filePath = dto.getOutPath() + File.separator + "layer.json";
|
|
writeJson(filePath, json);
|
}
|
|
/**
|
* 处理降水曲线文件曲线图
|
*/
|
public void copeRainFallJson(ResultDto dto, LayerDto layer) throws IOException, ParseException {
|
String rainGageFilePath = config.getInPath() + File.separator + dto.getServiceName() + File.separator + "RainGage.dat";
|
String filePath = dto.getOutPath() + File.separator + "rainfall.json";
|
|
Map<String, Double> map = new LinkedHashMap<>();
|
FileReader fr = new FileReader(rainGageFilePath);
|
BufferedReader br = new BufferedReader(fr);
|
|
String line = br.readLine();
|
while ((line = br.readLine()) != null) {
|
String[] rainFall = line.split(" ");
|
if (rainFall.length < 7) continue;
|
|
String sdt = rainFall[1] + "-" + rainFall[2] + "-" + rainFall[3] + " " + rainFall[4] + ":" + rainFall[5];
|
BigDecimal num = new BigDecimal(rainFall[6]);
|
map.put("" + SDF.parse(sdt).getTime(), num.setScale(2, RoundingMode.HALF_UP).doubleValue());
|
}
|
br.close();
|
fr.close();
|
|
String json = JSON.toJSONString(map);
|
writeJson(filePath, json);
|
}
|
|
private void copeBuildingDepthJson(ResultDto dto, List<BuildingDepthVo> list) throws IOException {
|
if (CollectionUtils.isEmpty(list)) return;
|
|
String json = JSON.toJSONString(list);
|
String filePath = dto.getOutPath() + File.separator + "building.json";
|
|
writeJson(filePath, json);
|
}
|
|
private void writeJson(String filePath, String json) throws IOException {
|
FileWriter fw = new FileWriter(filePath);
|
BufferedWriter bw = new BufferedWriter(fw);
|
bw.write(json);
|
bw.close();
|
fw.close();
|
}
|
}
|
