package com.wj.other;

import com.volcengine.tos.*;
import com.volcengine.tos.auth.StaticCredentials;
import com.volcengine.tos.model.object.DeleteObjectInput;
import com.volcengine.tos.model.object.ListObjectsType2Input;
import com.volcengine.tos.model.object.ListObjectsType2Output;

public class DeleteObjectWithPrefixExample {
    public static void main(String[] args) {
        String endpoint = "yuyi-realme-storage.tos-cn-shanghai.volces.com";
        String region = "cn-shanghai";
        String accessKey = "AKLTYWMzMWNlMDY2ZTRiNDIxMzhlMWJjNTJiOTg0YzAxNjM";
        String secretKey = "TWpsa1lqUmxNekkyTkRjNU5EZGhNbUUwTUdKak1qaGxPV05rT1dVeE56WQ==";

        String bucketName = "yuyi-realme-storage";
        String prefix = null;
        TOSClientConfiguration configuration = TOSClientConfiguration.builder()
                .region(region)
                .endpoint(endpoint)
                .isCustomDomain(true)   // 标识当前域名为自定义域名
                .credentials(new StaticCredentials(accessKey, secretKey))
                .build();
        TOSV2 tos = new TOSV2ClientBuilder().build(configuration);

        try{
            boolean isTruncated = true;
            String continuationToken = null;
            while (isTruncated) {
                ListObjectsType2Input input = new ListObjectsType2Input().setBucket(bucketName)
                        .setPrefix(prefix).setContinuationToken(continuationToken);
                ListObjectsType2Output output = tos.listObjectsType2(input);
                if (output.getContents() != null){
                    for (int i = 0; i < output.getContents().size(); i++) {
                        String objectKey = output.getContents().get(i).getKey();
                        DeleteObjectInput deleteInput = new DeleteObjectInput().setBucket(bucketName)
                                .setKey(output.getContents().get(i).getKey());
                        tos.deleteObject(deleteInput);
                        System.out.println("deleteObject succeed, deleted key is " + objectKey);
                    }
                }
                isTruncated = output.isTruncated();
                continuationToken = output.getNextContinuationToken();
            }

        } catch (TosClientException e) {
            // 操作失败，捕获客户端异常，一般情况是请求参数错误，此时请求并未发送
            System.out.println("deleteObject failed");
            System.out.println("Message: " + e.getMessage());
            if (e.getCause() != null) {
                e.getCause().printStackTrace();
            }
        } catch (TosServerException e) {
            // 操作失败，捕获服务端异常，可以获取到从服务端返回的详细错误信息
            System.out.println("deleteObject failed");
            System.out.println("StatusCode: " + e.getStatusCode());
            System.out.println("Code: " + e.getCode());
            System.out.println("Message: " + e.getMessage());
            System.out.println("RequestID: " + e.getRequestID());
        } catch (Throwable t) {
            // 作为兜底捕获其他异常，一般不会执行到这里
            System.out.println("deleteObject failed");
            System.out.println("unexpected exception, message: " + t.getMessage());
        }
    }
}