BOX API上传文件Java

时间:2016-05-24 13:46:39

标签: java rest multipartform-data box-api

我尝试使用Box API将文件上传到Box。

但无论我尝试什么,我总是收到400 Bad Request而没有任何其他信息。

关于这个问题的任何想法?

API中的示例是此卷曲请求:

  

卷曲https://upload.box.com/api/2.0/files/content \
  -H"授权:持票人ACCESS_TOKEN" -X POST \
  -F attributes =' {" name":" tigers.jpeg"," parent":{" id":&# 34; 11446498"}}' \
  -F file=@myfile.jpg

我的代码如下:

    String URL = "https://upload.box.com/api/2.0/files/content/";

    HttpClient httpClient = new HttpClient();
    PostMethod postMethod = new PostMethod(URL);
    postMethod.setRequestHeader("Authorization", "Bearer "+ this.token);

    try {
        List<Part> parts = new ArrayList<Part>();

        JSONObject parent = new JSONObject();
        parent.put("id", this.parentId);

        JSONObject attributes = new JSONObject();
        attributes.put("parent", parent);
        attributes.put("name", file.getName());

        StringPart strPart = new StringPart("attributes", attributes.toString());
        strPart.setContentType("application/json");
        parts.add(strPart);

        ByteArrayPartSource source = new ByteArrayPartSource(file.getName(),
                IOUtils.toByteArray(this.file);
        parts.add(new FilePart("file", source));

        postMethod.setRequestEntity(new MultipartRequestEntity(parts.toArray(new Part[0]), postMethod.getParams()));
        httpClient.executeMethod(postMethod);

        int status = postMethod.getStatusCode();

        if (status == HttpURLConnection.HTTP_OK || status == HttpURLConnection.HTTP_ACCEPTED) {
            String jsonText = postMethod.getResponseBodyAsString();
            JSONObject json = new JSONObject(jsonText);
            System.out.println(jsonText);
        } else {
            throw new MyException(postMethod.getResponseBodyAsString());
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        postMethod.releaseConnection();
    }

3 个答案:

答案 0 :(得分:1)

我发现了解决方案,不同部分不正确。 我必须创建3个部分:

  1. Parent_id:父文件夹的ID
  2. 元数据:json
  3. 文件:要上传的文件
  4. 此代码有效:

        String URL = "https://upload.box.com/api/2.0/files/content";
        HttpClient httpClient = new HttpClient();
        PostMethod postMethod = new PostMethod(URL);
        postMethod.setRequestHeader("Authorization", "Bearer "+ this.token);
    
        try {
            List<Part> parts = new ArrayList<Part>();
    
            parts.add(new StringPart("parent_id", parentId));
    
            JSONObject parent = new JSONObject();
            parent.put("id", this.parentId);
    
            JSONObject attributes = new JSONObject();
            attributes.put("parent", parent);
            attributes.put("name", file.getName());
    
            StringPart strPart = new StringPart("metadata", attributes.toString());
            strPart.setContentType("text/plain");
            parts.add(strPart);
    
            ByteArrayPartSource source = new ByteArrayPartSource(file.getName(),
                    IOUtils.toByteArray(this.file));
            parts.add(new FilePart("file", source));
    
            postMethod.setRequestEntity(new MultipartRequestEntity(parts.toArray(new Part[0]), postMethod.getParams()));
            httpClient.executeMethod(postMethod);
    
            // checks server's status code first
            int status = postMethod.getStatusCode();
            System.out.println(status);
            if (status == HttpURLConnection.HTTP_OK || status == HttpURLConnection.HTTP_CREATED) {
                String jsonText = postMethod.getResponseBodyAsString();
                JSONObject json = new JSONObject(jsonText);
                System.out.println(jsonText);
            } else {
                throw new MyException(postMethod.getResponseBodyAsString());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            postMethod.releaseConnection();
        }
    

答案 1 :(得分:0)

您是否验证了父ID = 11446498是否有效?如果您只是测试此端点,请尝试使用ID = 0代表根文件夹。

答案 2 :(得分:0)

BoxConfig boxConfig = BoxConfig.readFrom(new FileReader("box_config.json"));  //.json configuration file can be downloaded from dev console based on your app settings      
BoxAPIConnection api = BoxDeveloperEditionAPIConnection.
                                          getAppUserConnection(USER_ID, boxConfig);
BoxFolder boxFolder = new BoxFolder(api, FOLDER_ID);
boxFolder.uploadFile(stream, filename);

请注意,仅创建应用程序并将其设置为可读写还不够,您还需要在管理控制台-企业设置中授权该应用程序。使用客户ID来授权新应用