Hi,
I've successfully used the Apache Directory API to load in paged user data from
Active Directory. It's similar to the example code by 'oers' found in this
stackoverflow question:
https://stackoverflow.com/questions/17963975/apache-directory-ldap-paged-searches
Some differences I have are:
* I'm coding it with Nashorn (Javascript running in Java)
* I'm using the PagedResultsImpl class instead of PagedResultsDecorator
* I'm saving the cookie as a string between calls by using a Base64 encoding
of the byte[] cookie.
* I'm using Apache Directory API with the following maven import (The links
to the version 2 javadoc on the website were broken so I stuck with version 1):
<dependency>
<groupId>org.apache.directory.api</groupId>
<artifactId>api-all</artifactId>
<version>1.0.3</version>
</dependency>
Here's some of the important bits:
var pageCursor = ""; /** or some Base64 encoded byte[] cookie if I'm
trying to start from where i left off last time. */
...
pagedSearchControl = new PagedResultsImpl();
pagedSearchControl.setSize(pageSize);
pagedSearchControl.setCookie(Base64.getEncoder().encodeToString(pageCursor.getBytes()));
...
var searchRequest = new SearchRequestImpl();
...
searchRequest.addControl(pagedSearchControl);
...
var cursor = new EntryCursorImpl(connection.search(searchRequest));
...
pagingResults =
cursor.getSearchResultDone().getControl(PagedResults.OID);
if (pagingResults != null){
nextPageCursor =
Base64.getEncoder().encodeToString(pagingResults.getCookie());
}
When run against Active Directory I can page all the users just fine. When I
change my connection to point to an OpenLDAP directory I am able to search for
users just fine, EXCEPT for when I set the page control cookie using a non-null
value for pageCursor (one I got from base 64 encoding a previous call's
cookie). Basically, I can't get the paged results from OpenLDAP. I get no
results and there are no exceptions.
* What is needed in order to get OpenLDAP to page properly?
* Am I missing something with setting up page control in Apache Directory?
* Is paging a setting in OpenLDAP I need to turn on?
This question has also been posted on stackoverflow:
https://stackoverflow.com/questions/57632585/paginating-openldap-with-apache-directory-ldap-api
Thank you,
Jeremy
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