package com.xiaopeng.map.utils;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.xiaopeng.map.config.MapApiConfigHolder;
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import com.xiaopeng.map.config.MapApiProperties;
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import org.apache.http.HttpEntity;
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import org.apache.http.client.methods.CloseableHttpResponse;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.impl.client.CloseableHttpClient;
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import org.apache.http.impl.client.HttpClients;
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import org.apache.http.util.EntityUtils;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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public class GaodeMapService {
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private final String walkingApiUrl;
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private final String apiKey;
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public GaodeMapService() {
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MapApiProperties properties = MapApiConfigHolder.getProperties();
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this.walkingApiUrl = properties.getUrls().getWalking();
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this.apiKey = properties.getApiKey();
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}
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/**
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* 获取步行路径规划
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* @param origin 起点坐标，格式：经度,纬度
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* @param destination 终点坐标，格式：经度,纬度
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* @return 步行路线结果
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*/
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public AmapWalkingRouteUtil.WalkingRouteResult getWalkingRoute(String origin, String destination) {
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AmapWalkingRouteUtil.WalkingRouteResult result = new AmapWalkingRouteUtil.WalkingRouteResult();
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result.setOrigin(origin);
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result.setDestination(destination);
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try {
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// 构建请求URL
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String url = buildWalkingUrl(origin, destination);
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// 发送HTTP请求
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String responseJson = sendHttpGetRequest(url);
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// 解析响应
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return parseWalkingResponse(responseJson, result);
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} catch (Exception e) {
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result.setSuccess(false);
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return result;
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}
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}
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/**
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* 构建步行路径规划URL
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*/
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private String buildWalkingUrl(String origin, String destination) {
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return String.format("%s?origin=%s&destination=%s&key=%s",
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walkingApiUrl,
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origin,
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destination,
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apiKey);
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}
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/**
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* 发送HTTP GET请求
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*/
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private String sendHttpGetRequest(String url) throws Exception {
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try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
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HttpGet httpGet = new HttpGet(url);
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try (CloseableHttpResponse response = httpClient.execute(httpGet)) {
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HttpEntity entity = response.getEntity();
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if (entity != null) {
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return EntityUtils.toString(entity, StandardCharsets.UTF_8);
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}
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}
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}
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return null;
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}
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/**
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* 解析步行响应结果
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*/
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private AmapWalkingRouteUtil.WalkingRouteResult parseWalkingResponse(String responseJson, AmapWalkingRouteUtil.WalkingRouteResult result) throws Exception {
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ObjectMapper objectMapper = new ObjectMapper();
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JsonNode rootNode = objectMapper.readTree(responseJson);
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// 检查状态码
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String status = rootNode.path("status").asText();
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if (!"1".equals(status)) {
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result.setSuccess(false);
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return result;
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}
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// 解析路径信息
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JsonNode routeNode = rootNode.path("route");
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JsonNode pathsNode = routeNode.path("paths");
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if (pathsNode.isArray() && pathsNode.size() > 0) {
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JsonNode firstPath = pathsNode.get(0);
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// 获取距离和时间
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int distance = firstPath.path("distance").asInt();
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int duration = firstPath.path("duration").asInt();
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result.setDistance(distance);
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result.setDuration(duration);
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result.setSuccess(true);
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} else {
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result.setSuccess(false);
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}
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return result;
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}
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}
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