org.shredzone.commons.gravatar

Interface GravatarService

All Known Implementing Classes:

GravatarServiceImpl

public interface GravatarService

A service for accessing Gravatar avatars.

Author:

Richard "Shred" Körber

Method Summary

Modifier and Type	Method and Description
String	computeHash(String mail) Computes the Gravatar hash for a mail address.
File	fetchGravatar(String hash) Fetch a File of the Gravatar image for the given hash.

Method Detail

computeHash

String computeHash(String mail)

Computes the Gravatar hash for a mail address. Actually, this is the md5 sum of the mail address.

Parameters:

mail - Mail address to hash

Returns:

Gravatar hash

fetchGravatar

File fetchGravatar(String hash)
            throws IOException

Fetch a File of the Gravatar image for the given hash. If there is no such file, the image is downloaded from the Gravatar server, and stored in the file system.

The files are cached for a certain time.

Parameters:

hash - Gravatar image hash

Returns:

File containing the image

Throws:

IOException