Spring Example - October - 2009


//Spring
public LdapUser findUser1(String uniqueName, String password)
			throws BadPasswordException, InvalidUserException {

	SearchControls searchControls = new SearchControls();
	searchControls.setSearchScope(SearchControls.SUBTREE_SCOPE);

	//set dereference aliases
	searchControls.setDerefLinkFlag(false);

	// define return attributes
	String[] returnedAttributes = { "uid", "sn", "givenName", "groupMembership",”entryDN” };
	searchControls.setReturningAttributes(returnedAttributes);

	DnContextMapper contextMapper = new DnContextMapper();

	String filterString = "uid=" + uniqueName;

	// set search base
	List<String> results = ldapTemplate.search("dc=med,dc=umich,dc=edu",
			filterString, searchControls, contextMapper,
			new SortControlDirContextProcessor("uid"));

if (results.size() != 1) {
		throw new InvalidUserException("Invalid user.");
	}
	DirContext dirContext = null;
	try {
		dirContext = contextSource.getContext(results.get(0), password);
		Attributes attribs = dirContext.getAttributes(contextMapper
				.getNamespace());
		String entryDN = (String) attribs.get("entryDN").get();
		…………………
	} catch (Exception e) {
		throw new BadPasswordException("Invalid password.");
	} finally {
		LdapUtils.closeContext(dirContext);
	}
	………………….
}