tencent cloud

// Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
String bucket = "examplebucket-1250000000";
PutBucketCORSRequest putBucketCORSRequest = new PutBucketCORSRequest(bucket);

CORSConfiguration.CORSRule corsRule = new CORSConfiguration.CORSRule();

// Set the rule ID
corsRule.id = "123";
// Allowed origin in the format: `protocol://domain name[:port number]`. The wildcard * is supported
corsRule.allowedOrigin = "https://cloud.tencent.com";
// Set the validity period of the OPTIONS request result 
corsRule.maxAgeSeconds = 5000;

List<String> methods = new LinkedList<>();
methods.add("PUT");
methods.add("POST");
methods.add("GET");
// Allowed HTTP methods. Enumerated values: GET, PUT, HEAD, POST, DELETE
corsRule.allowedMethod = methods;

List<String> headers = new LinkedList<>();
headers.add("host");
headers.add("content-type");
// Notify the server which custom HTTP request headers are allowed for subsequent requests when an OPTIONS request is sent. The wildcard * is supported
corsRule.allowedHeader = headers;

List<String> exposeHeaders = new LinkedList<>();
exposeHeaders.add("x-cos-meta-1");
// Set custom header information that the browser can receive from the server
corsRule.exposeHeader = exposeHeaders;

putBucketCORSRequest.addCORSRule(corsRule);

cosXmlService.putBucketCORSAsync(putBucketCORSRequest,
        new CosXmlResultListener() {
    @Override
    public void onSuccess(CosXmlRequest request, CosXmlResult result) {
        PutBucketCORSResult putBucketCORSResult = (PutBucketCORSResult) result;
    }

    // If you use the Kotlin language to call this, please note that the exception in the callback method is nullable; otherwise, the onFail method will not be called back, that is:
    // clientException is of type CosXmlClientException? and serviceException is of type CosXmlServiceException?
    @Override
    public void onFail(CosXmlRequest cosXmlRequest,
                       @Nullable CosXmlClientException clientException,
                       @Nullable CosXmlServiceException serviceException) {
        if (clientException != null) {
            clientException.printStackTrace();
        } else {
            serviceException.printStackTrace();
        }
    }
});