使用Java将文件推送到现有的GitLab存储库？

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;

public class GitLabFileUploader {
    public static void main(String[] args) {
        String gitLabApiUrl = "https://gitlab.example.com/api/v4/projects/1/repository/files";
        String accessToken = "YOUR_ACCESS_TOKEN";
        String filePath = "/path/to/file.txt";
        String fileName = "file.txt";
        String repositoryUrl = "https://gitlab.example.com/username/repository.git";

        try {
            HttpClient httpClient = HttpClients.createDefault();
            HttpPost httpPost = new HttpPost(gitLabApiUrl);

            // Set request headers
            httpPost.setHeader("Content-Type", "application/json");
            httpPost.setHeader("PRIVATE-TOKEN", accessToken);

            // Read file content
            String fileContent = readFileContent(filePath);

            // Create request body
            String requestBody = String.format(
                    "{\n" +
                    "  \"file_path\": \"%s\",\n" +
                    "  \"branch\": \"master\",\n" +
                    "  \"content\": \"%s\",\n" +
                    "  \"commit_message\": \"Add file via API\"\n" +
                    "}",
                    fileName, fileContent);

            // Set request body
            HttpEntity requestEntity = new StringEntity(requestBody, ContentType.APPLICATION_JSON);
            httpPost.setEntity(requestEntity);

            // Send HTTP request
            HttpResponse response = httpClient.execute(httpPost);

            // Read response
            String responseJson = EntityUtils.toString(response.getEntity(), StandardCharsets.UTF_8);

            // Process response
            System.out.println("Response: " + responseJson);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static String readFileContent(String filePath) throws IOException {
        // Read file content and return as string
        // You can use any method or library to read file content
        return "";
    }
}