# 程序包 com.aliyun.oss.common.comm

- 接口概要
  接口 | 说明
  --- | ---
  RequestHandler |
  ResponseHandler |

- 类概要
  类 | 说明
  --- | ---
  DefaultServiceClient | Default implementation of `ServiceClient`.
  ExecutionContext | HTTP request context.
  HttpDeleteWithBody |
  HttpMesssage | Common class for both HTTP request and HTTP response.
  IdleConnectionReaper | A daemon thread used to periodically check connection pools for idle connections.
  NoRetryStrategy | No retry strategy that does nothing when HTTP request fails.
  RepeatableInputStreamEntity |
  RepeatableInputStreamEntity.NoAutoClosedInputStreamEntity | The default entity org.apache.http.entity.InputStreamEntity will close input stream after wirteTo was called.
  RequestChecksumHanlder |
  RequestMessage | Represent HTTP requests sent to OSS.
  RequestProgressHanlder |
  ResponseChecksumHandler |
  ResponseMessage |
  ResponseProgressHandler |
  RetryStrategy |
  ServiceClient | Abstract service client that provides interfaces to access OSS services.
  ServiceClient.Request | Wrapper class based on `HttpMessage` that represents HTTP request message to OSS.
  TimeoutServiceClient | Default implementation of `ServiceClient`.

- 枚举概要
  枚举 | 说明
  --- | ---
  Protocol | Represents the communication protocol to use when sending requests to OSS, we use HTTPS by default.
  SignVersion |

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