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    Setting Access Domain Names (CDN/Global Acceleration)

    Last updated: 2024-02-02 16:51:03
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      Overview

      This document describes how to request the COS service by using a non-default domain name.

      Default CDN acceleration domain name

      Feature description

      After enabling a default CDN acceleration domain name for a bucket through the COS console, you can set the domain name in the SDK code for acceleration. For more information, see Enabling Default CDN Acceleration Domain Names.

      Method prototype

      void com.qcloud.cos.ClientConfig.setEndPointSuffix(String endPointSuffix)

      Sample request

      // 1. Use a CDN acceleration domain. COS verification information does not need to be sent.
      COSCredentials cred = new AnonymousCOSCredentials();
      // 2. Set the region abbreviation for the bucket. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224
      ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing"));
      // HTTPS is recommended.
      clientConfig.setHttpProtocol(HttpProtocol.https);
      // 3. Set the suffix for the default CDN acceleration domain.
      String cdnSuffix = "file.myqcloud.com";
      clientConfig.setEndPointSuffix(cdnSuffix);
      // 4. Generate a COS client
      COSClient cosclient = new COSClient(cred, clientConfig);

      Parameter description

      Parameter
      Description
      Type
      endPointSuffix
      Set the domain suffix to use the CDN acceleration domain name
      String

      Custom CDN acceleration domain name

      Feature description

      After setting a custom CDN acceleration domain name for a bucket through the COS console, you can set the domain name in the SDK code for acceleration. For more information, see Enabling Custom Accelerated Domain Name.

      Method prototype

      void com.qcloud.cos.ClientConfig.setEndpointBuilder(EndpointBuilder endpointBuilder)

      Sample request

      // 1. Use a CDN acceleration domain. COS verification information does not need to be sent.
      COSCredentials cred = new AnonymousCOSCredentials();
      // 2. Set the region abbreviation for the bucket. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224
      ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing"));
      // HTTPS is recommended, which requires the custom domain to have the relevant HTTPS certificate.
      clientConfig.setHttpProtocol(HttpProtocol.https);
      // 3. Set the custom CDN domain name.
      // The `get service` request will use this domain, which is fixed.
      String serviceApiEndpoint = "service.cos.myqcloud.com";
      String cdnEndpoint = "xxx.xxx.com";
      UserSpecifiedEndpointBuilder endPointBuilder = new UserSpecifiedEndpointBuilder(cdnEndpoint, serviceApiEndpoint);
      clientConfig.setEndpointBuilder(endPointBuilder);
      // 4. Generate a COS client
      COSClient cosclient = new COSClient(cred, clientConfig);

      Parameter description

      Parameter
      Description
      Type
      endPointerBuilder
      Constructs the custom CDN acceleration domain.
      UserSpecifiedEndpointBuilder
      UserSpecifiedEndpointBuilder description:
      Parameter
      Description
      Type
      generalApiEndpoint
      Custom CDN acceleration domain name
      String
      getServiceApiEndpoint
      Fixed to service.cos.myqcloud.com
      String

      Custom origin server domain name

      Feature description

      After setting a custom origin server domain for a bucket through the COS console, you can set the domain name in the SDK code to access COS resources. For more information, see Enabling Custom Origin Server Domains.

      Method prototype

      void com.qcloud.cos.ClientConfig.setEndpointBuilder(EndpointBuilder endpointBuilder)

      Sample request

      // 1. Initialize user authentication information (secretId, secretKey).
      // You can log in to the CAM console to view and manage `secretId` and `secretKey`.
      String secretId = "SECRETID";
      String secretKey = "SECRETKEY";
      COSCredentials cred = new BasicCOSCredentials(secretId, secretKey);
      // 2. Set the region abbreviation for the bucket. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224
      ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing"));
      // HTTPS is recommended.
      clientConfig.setHttpProtocol(HttpProtocol.https);
      // 3. Set the custom domain name.
      // The get service request will use this domain, which is fixed.
      String serviceApiEndpoint = "service.cos.myqcloud.com";
      String userEndpoint = "xxx.xxx.com";
      UserSpecifiedEndpointBuilder endPointBuilder = new UserSpecifiedEndpointBuilder(userEndpoint, serviceApiEndpoint);
      clientConfig.setEndpointBuilder(endPointBuilder);
      // 4. Generate a COS client
      COSClient cosclient = new COSClient(cred, clientConfig);

      Parameter description

      Parameter
      Description
      Type
      endPointerBuilder
      Constructs the custom origin server domain.
      UserSpecifiedEndpointBuilder
      UserSpecifiedEndpointBuilder description:
      Parameter
      Description
      Type
      generalApiEndpoint
      Custom origin server domain
      String
      getServiceApiEndpoint
      Fixed to service.cos.myqcloud.com
      String

      Global acceleration domain name

      Feature description

      After enabling a global acceleration domain name for a bucket through the COS console, you can set the domain name in the SDK code for global acceleration. For more information, see Overview.

      Method prototype

      void com.qcloud.cos.ClientConfig.setEndPointSuffix(String endPointSuffix)

      Sample request

      // 1. Initialize user authentication information (`secretId`, `secretKey`).
      // You can log in to the CAM console to view and manage `secretId` and `secretKey`.
      String secretId = "SECRETID";
      String secretKey = "SECRETKEY";
      COSCredentials cred = new BasicCOSCredentials(secretId, secretKey);
      // 2. Set the region abbreviation for the bucket. For abbreviations of COS regions, visit https://www.tencentcloud.com/document/product/436/6224
      ClientConfig clientConfig = new ClientConfig(new Region("ap-beijing"));
      // HTTPS is recommended.
      clientConfig.setHttpProtocol(HttpProtocol.https);
      // 3. Set the suffix for the global acceleration endpoint.
      String cosSuffix = "cos.accelerate.myqcloud.com";
      clientConfig.setEndPointSuffix(cosSuffix);
      // 4. Generate a COS client
      COSClient cosclient = new COSClient(cred, clientConfig);

      Parameter description

      Parameter
      Description
      Type
      endPointSuffix
      Set the domain suffix to use a global acceleration domain name.
      String
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