Representations for HTTP message entities.
| ContentLengthStrategy | Represents a strategy to determine the content length based on the properties of an HTTP message. |
| ContentProducer | An abstract entity content producer. |
| AbstractHttpEntity | Abstract base class for entities. |
| BasicHttpEntity | A generic streamed entity being received on a connection. |
| BufferedHttpEntity | A wrapping entity that buffers it content if necessary. |
| ByteArrayEntity | An entity whose content is retrieved from a byte array. |
| EntityTemplate | Entity that delegates the process of content generation to an abstract content producer. |
| FileEntity | An entity whose content is retrieved from a file. |
| HttpEntityWrapper | Base class for wrapping entities. |
| InputStreamEntity | A streamed entity obtaining content from an InputStream. |
| SerializableEntity | |
| StringEntity | An entity whose content is retrieved from a string. |
