快速而简单的java程序，可以与JIRA对话并创建史诗、故事和问题

import org.apache.http.HttpHeaders;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClientBuilder;
import org.json.JSONArray;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class JiraIntegration {
    public static void main(String[] args) {
        String jiraUrl = "YOUR_JIRA_URL";
        String jiraUsername = "YOUR_JIRA_USERNAME";
        String jiraPassword = "YOUR_JIRA_PASSWORD";

        try {
            HttpClient httpClient = HttpClientBuilder.create().build();

            // 创建史诗
            JSONObject epicJson = new JSONObject();
            epicJson.put("fields", new JSONObject()
                    .put("project", new JSONObject().put("key", "YOUR_PROJECT_KEY"))
                    .put("summary", "New Epic")
                    .put("issuetype", new JSONObject().put("name", "Epic")));
            String epicResponse = createIssue(jiraUrl, jiraUsername, jiraPassword, epicJson.toString(), httpClient);
            System.out.println("Created Epic: " + epicResponse);

            // 创建故事
            JSONObject storyJson = new JSONObject();
            storyJson.put("fields", new JSONObject()
                    .put("project", new JSONObject().put("key", "YOUR_PROJECT_KEY"))
                    .put("summary", "New Story")
                    .put("issuetype", new JSONObject().put("name", "Story"))
                    .put("parent", new JSONObject().put("key", "EPIC_KEY")));
            String storyResponse = createIssue(jiraUrl, jiraUsername, jiraPassword, storyJson.toString(), httpClient);
            System.out.println("Created Story: " + storyResponse);

            // 创建问题
            JSONObject issueJson = new JSONObject();
            issueJson.put("fields", new JSONObject()
                    .put("project", new JSONObject().put("key", "YOUR_PROJECT_KEY"))
                    .put("summary", "New Issue")
                    .put("issuetype", new JSONObject().put("name", "Issue"))
                    .put("parent", new JSONObject().put("key", "EPIC_KEY")));
            String issueResponse = createIssue(jiraUrl, jiraUsername, jiraPassword, issueJson.toString(), httpClient);
            System.out.println("Created Issue: " + issueResponse);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static String createIssue(String jiraUrl, String username, String password, String issueJson, HttpClient httpClient) throws Exception {
        String apiUrl = jiraUrl + "/rest/api/2/issue";
        HttpPost request = new HttpPost(apiUrl);

        // 设置请求头
        request.setHeader(HttpHeaders.CONTENT_TYPE, "application/json");
        request.setHeader(HttpHeaders.AUTHORIZATION, "Basic " + getEncodedCredentials(username, password));

        // 设置请求体
        StringEntity entity = new StringEntity(issueJson);
        request.setEntity(entity);

        // 发送请求并获取响应
        HttpResponse response = httpClient.execute(request);

        // 处理响应
        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
        StringBuilder stringBuilder = new StringBuilder();
        String line;
        while ((line = bufferedReader.readLine()) != null) {
            stringBuilder.append(line);
        }

        return stringBuilder.toString();
    }

    public static String getEncodedCredentials(String username, String password) {
        String credentials = username + ":" + password;
        return java.util.Base64.getEncoder().encodeToString(credentials.getBytes());
    }
}