Delete File

删除单个资产的文件。

操作权限

需授权的资源 所需操作权限
资产 Write

请求格式

POST https://{integration-address}/connect-service/v2.1/files?action=delete

注解

{integration-address}：消息集成服务网关地址。该信息可登陆 EnOS 管理控制台 ，在 帮助 > 环境信息 > HTTP消息集成通道 中获取。

请求参数（URI）

注解

必须在请求参数中使用以下任意一个参数或参数组合以指定资产：

  • assetId 以指定一个设备或一个逻辑资产。
  • productKey + deviceKey 以指定一个设备。
名称 位置(Path/Query) 必需/可选 数据类型 描述
orgId Query 必需 String 资产所属的组织ID。如何获取orgId信息>>
fileUri Query 必需 String 文件下载uri，格式：enos-connect://xxxx 。
assetId Query 可选 String 资产ID。
productKey Query 可选 String 设备资产的product key。
deviceKey Query 可选 String 设备资产的device key。

示例

请求示例

url: https://{integration-address}/connect-service/v2.1/files?action=delete&orgId=yourOrgId&fileUri=yourFileUri&assetId=yourAssetId
method: POST
requestHeader:
{
        "apim-accesstoken":"xxxxaaaxxxx"
}

返回示例

{
"code": 0,
"msg": "OK",
"requestId": "6a02a5a5-49f0-4df1-b364-496ad2079033",
"data": {}
}

Java SDK调用示例

import com.envisioniot.enos.iot_http_integration.HttpConnection;
import com.envisioniot.enos.iot_http_integration.message.IIntegrationCallback;
import com.envisioniot.enos.iot_http_integration.message.IntegrationResponse;
import com.envisioniot.enos.iot_mqtt_sdk.core.exception.EnvisionException;
import com.envisioniot.enos.sdk.data.DeviceInfo;
import com.google.gson.GsonBuilder;

public class DeleteFileSample {
    // EnOS Token Server URL and HTTP Broker URL, which can be obtained from Environment Information page in EnOS Console
    static final String TOKEN_SERVER_URL = "http://token_server_url";
    static final String BROKER_URL = "http://broker_url";

    // EnOS Application AccessKey and SecretKey, which can be obtain in Application Registration page in EnOS Console
    static final String APP_KEY = "appKey";
    static final String APP_SECRET = "appSecret";

    // Device credentials, which can be obtained from Device Details page in EnOS Console
    static final String ORG_ID = "orgId";
    static final String ASSET_ID = "assetId";
    static final String PRODUCT_KEY = "productKey";
    static final String DEVICE_KEY = "deviceKey";

    public static void main(String[] args) {
        // Construct a http connection
        HttpConnection connection = new HttpConnection.Builder(
                BROKER_URL, TOKEN_SERVER_URL, APP_KEY, APP_SECRET, ORG_ID)
            .build();

        // fileUri is an enos scheme file uri
        String fileUri = "enos-connect://xxx.txt";
        DeviceInfo deviceInfo = new DeviceInfo().setAssetId(ASSET_ID);

        try {
            IntegrationResponse response = connection.deleteFile(deviceInfo, fileUri);
            System.out.println(new GsonBuilder().setPrettyPrinting().create().toJson(response));
        } catch (EnvisionException e) {
            e.printStackTrace();
        }

        // Asynchronously call the file delete request
        try {
            connection.deleteFile(deviceInfo, fileUri, new IIntegrationCallback() {
                @Override
                public void onResponse(IntegrationResponse response) {
                    System.out.println("receive response asynchronously");
                    System.out.println(new GsonBuilder().setPrettyPrinting().create().toJson(response));
                }

                @Override
                public void onFailure(Exception failure) {
                    failure.printStackTrace();
                }
            });

        } catch (EnvisionException e) {
            e.printStackTrace();
        }
    }
}