Package alpine.util

Class GravatarUtil

java.lang.Object

alpine.util.GravatarUtil

public final class GravatarUtil
extends Object

A collection of methods that help integrate user Gravatar's.

Since:

1.0.0

Author:

Steve Springett

Method Summary

Modifier and Type	Method	Description
static String	generateHash(String emailAddress)	Generates a hash value from the specified email address.
static String	getGravatarUrl(UserPrincipal userPrincipal)	Generates a Gravatar URL for the specified principal.
static String	getGravatarUrl(UserPrincipal userPrincipal, int size)	Generates a Gravatar URL for the specified principal.
static String	getGravatarUrl(String emailAddress)	Generates a Gravatar URL for the specified email address.
static String	getGravatarUrl(String emailAddress, int size)	Generates a Gravatar URL for the specified email address.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

generateHash

public static String generateHash(String emailAddress)

Generates a hash value from the specified email address. Returns null if emailAddress is empty or null.

Parameters:

emailAddress - the email address to generate a hash from

Returns:

a hash value of the specified email address

Since:

1.0.0

getGravatarUrl

public static String getGravatarUrl(UserPrincipal userPrincipal)

Generates a Gravatar URL for the specified principal. If the principal does not have an email address or the email address does not have a Gravatar, will fallback to using the mystery-man image.

Parameters:

userPrincipal - the user principal to generate a Gravatar URL from

Returns:

a Gravatar URL for the specified principal

Since:

1.0.0

getGravatarUrl

public static String getGravatarUrl(UserPrincipal userPrincipal,
                                    int size)

Generates a Gravatar URL for the specified principal. If the principal does not have an email address or the email address does not have a Gravatar, will fallback to using the mystery-man image.

Parameters:

userPrincipal - the user principal to generate a Gravatar URL from

size - the size of the image

Returns:

a Gravatar URL for the specified principal

Since:

1.0.0

getGravatarUrl

public static String getGravatarUrl(String emailAddress)

Generates a Gravatar URL for the specified email address. If the email address is blank or does not have a Gravatar, will fallback to usingthe mystery-man image.

Parameters:

emailAddress - the email address to generate the Gravatar URL from

Returns:

a Gravatar URL for the specified email address

Since:

1.0.0

getGravatarUrl

public static String getGravatarUrl(String emailAddress,
                                    int size)

Generates a Gravatar URL for the specified email address. If the email address is blank or does not have a Gravatar, will fallback to usingthe mystery-man image.

Parameters:

emailAddress - the email address to generate the Gravatar URL from

size - the size of the image

Returns:

a Gravatar URL for the specified email address

Since:

1.0.0