tencent cloud

// 存储桶region可以在COS控制台指定存储桶的概览页查看 https://console.tencentcloud.com/cos5/bucket/ ，关于地域的详情见 https://www.tencentcloud.com/document/product/436/6224
String region = "ap-beijing"; // 您的存储桶地域
String commonHeaderKey = "commonexamplekey"; // 自定义公共 Header 的键
String commonHeaderValue = "commonexamplevalue"; // 自定义公共 Header 的值
String requestHeaderKey = "requestexamplekey"; // 自定义请求 Header 的键
String requestHeaderValue = "requestexamplevalue"; // 自定义请求 Header 的值

CosXmlServiceConfig cosXmlServiceConfig = new CosXmlServiceConfig.Builder()
        .isHttps(true)
        .setRegion(region)
        .setDebuggable(false)
        // 给所有的请求添加公共的自定义 Header
        .addHeader(commonHeaderKey, commonHeaderValue)
        .builder();

CosXmlService cosXmlService = new CosXmlService(context, cosXmlServiceConfig,
        credentialProvider);

// 给单个请求添加自定义 Header，优先级比公共 Header 更高
HeadObjectRequest headObjectRequest = new HeadObjectRequest(bucket, cosPath);
try {
    headObjectRequest.setRequestHeaders(requestHeaderKey, requestHeaderValue, false);
} catch (CosXmlClientException e) {
    e.printStackTrace();
}

// 发起请求
cosXmlService.headObjectAsync(headObjectRequest, new CosXmlResultListener() {
    @Override
    public void onSuccess(CosXmlRequest request, CosXmlResult result) {
        HeadObjectResult headObjectResult = (HeadObjectResult) result;
    }

    @Override
    public void onFail(CosXmlRequest request, CosXmlClientException clientException,
                       CosXmlServiceException serviceException) {
        if (clientException != null) {
            clientException.printStackTrace();
        } else {
            serviceException.printStackTrace();
        }
    }
});