How to query multiple users from LDAP.
I am using DirContext.search(base,filter,scope); in my java program
as of now its working fine with one value filter. filter=("uid=name")
but my requirement is to pass multiple names to the filter at a time like
filter=("uid=name1,name2,name3....") .
LDAP uses a "PREFIX" notation for its filters.
For example:
OR condition
(|(attr1=val1)(attr2=val2)(attr1=val2))
AND condition
(&(attr1=val1)(attr2=val2)(attr1=val2))
In your case, the filter criteria will be this:
filter = "(|(uid=name1)(uid=name2)(uid=name3))"
The above filter means:
Find any user who has
uid=name1ORuid=name2ORuid=name3.
This should list you users whose user IDs are name1, name2 or name3.
More Exmples:
Equality:
(attribute=abc), e.g. (&(objectclass=user)(displayName=JohnDoe))Negation:
(!(attribute=abc)), e.g. (!objectClass=group)Presence:
(attribute=*), e.g. (mailNickName=*)Absence:
(!(attribute=*)), e.g. (!proxyAddresses=*)Greater than:
(attribute>=abc), e.g. (storageQuota>=100000)Less than:
(attribute<=abc), e.g. (storageQuota<=100000)Proximity:
(attribute~=abc), e.g. (displayName~=JohnDoe)*(~= may not be compatible with all directory servers !!)
Wildcards: e.g. (sn=J*) or (mail=*@example.com) or (givenName=*John*)
Hope this helps!
OrFilter on each resulting member’s CN (plus a POJO mapper), I clocked 2.5 sec for the roundtrip. This was from local accessing a directory of potentially 100,000 entries