| Package | Description | 
|---|---|
| org.apache.http.impl.conn | 
 Default implementations of client connection management
 functions. 
 | 
| org.apache.http.impl.io | 
 Default implementations of message parses and writers
 for synchronous, blocking communication. 
 | 
| Class and Description | 
|---|
| AbstractMessageParser
 Abstract base class for HTTP message parsers that obtain input from
 an instance of  
SessionInputBuffer. | 
| Class and Description | 
|---|
| AbstractMessageParser
 Abstract base class for HTTP message parsers that obtain input from
 an instance of  
SessionInputBuffer. | 
| AbstractMessageWriter
 Abstract base class for HTTP message writers that serialize output to
 an instance of  
SessionOutputBuffer. | 
| AbstractSessionInputBuffer
 Deprecated. 
 
(4.3) use  
SessionInputBufferImpl | 
| AbstractSessionOutputBuffer
 Deprecated. 
 
(4.3) use  
SessionOutputBufferImpl | 
| DefaultHttpRequestParserFactory
 Default factory for request message parsers. 
 | 
| DefaultHttpRequestWriterFactory
 Default factory for request message writers. 
 | 
| DefaultHttpResponseParserFactory
 Default factory for response message parsers. 
 | 
| DefaultHttpResponseWriterFactory
 Default factory for response message writers. 
 | 
| EmptyInputStream | 
| HttpTransportMetricsImpl
 Default implementation of  
HttpTransportMetrics. |