getting user informations

[Jan Kowalik <ko...@gmail.com>]

Hi all,

How can I get user information like user name, group, role ..,  from
portlet code level ?
Do I have to add JetSpeed2 proprietary libraries ? Which ones ? Can I
do it without them ?


Thanks in advance

Regards
Jan

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Re: getting user informations

[David Sean Taylor <d....@onehippo.com>]

>
>


> How can I get user information like user name, group, role ..,  from
> portlet code level ?
> Do I have to add JetSpeed2 proprietary libraries ? Which ones ? Can I
> do it without them ?
>
The username is available via getUserPrincipal() call Randy described.

String username = request.getUserPrincipal().getName();

If you are interested in getting the user's attributes such as first  
or last name, email address, etc, then there is a standard way for  
portlets to access a map with user information attributes via the  
request attribute:

static final java.lang.String USER_INFO ("javax.portlet.userinfo")

The user information is returned as a Map object.
The portlet must define the user information attribute it is  
interested in inside the user-attribute section of the deployment  
descriptor. If an attribute is not supported by the current runtime  
system it will not show up in the user attribute map.
   If the user-attribute is supported by the runtime system, but not  
defined for a particular user, then for that user the attribute exists  
in the returned map and the attribute has a null value.

  If the user-attribute is not defined for the current user it will  
not show up in the Map.

Example:
Map userInfo = (Map) request.getAttribute(PortletRequest.USER_INFO);
String givenName = (userInfo!=null)      ? (String)  
userInfo.get(PortletRequest.P3PUserInfos.USER_NAME_GIVEN) : “”;
String lastName  = (userInfo!=null)        ? (String)  
userInfo.get(PortletRequest.P3PUserInfos.USER_NAME_FAMILY) : “”;

Here is how to define the user attributes that your application will  
require in your portlet.xml:
<portlet-app>
   …
   <user-attribute>
     <description>User Given Name</description>
     <name>user.name.given</name>
   </user-attribute>
   <user-attribute>
     <description>User Last Name</description>
     <name>user.name.family</name>
   </user-attribute>
   <user-attribute>
     <description>User eMail</description>
     <name>user.home-info.online.email</name>
   </user-attribute>
   <user-attribute>
     <description>Company Organization</description>
     <name>user.business-info.postal.organization</name>
   </user-attribute>
   …
<portlet-app>

There is no standard way to get all roles or groups for a user,  
however you can check for a user in a role with:

if (request.isUserInRole("someRole"))

 > Do I have to add JetSpeed2 proprietary libraries

Well, i wouldn't exactly call the libraries proprietary, at least the  
Jetspeed APIs are 'open' as in open source anyway im not going to  
mince works, the answer is yes, you can retrieve everything you  
require via the Jetspeed API. Best to look at the tutorial for examples:

http://portals.apache.org/jetspeed-2/tutorial/04/jetspeed-service.html






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Re: getting user informations

[Randy Watler <wa...@wispertel.net>]

Jan,

 From the 286 spec:

PLT.11.1.7 Security Attributes
The PortletRequest interface offers a set of methods that provide 
security information
about the user and the connection between the user and the portal. These 
methods are:
• getAuthType
• getRemoteUser
• getUserPrincipal
• isUserInRole
• isSecure

Theses can be used portably across portal implementations.

Randy

Jan Kowalik wrote:
> Hi all,
>
> How can I get user information like user name, group, role ..,  from
> portlet code level ?
> Do I have to add JetSpeed2 proprietary libraries ? Which ones ? Can I
> do it without them ?
>
>
> Thanks in advance
>
> Regards
> Jan
>
>   


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