Examples with IncorrectResultSizeDataAccessException org.springframework.dao.IncorrectResultSizeDataAccessException used on opensource projects

Example 6 with IncorrectResultSizeDataAccessException

use of org.springframework.dao.IncorrectResultSizeDataAccessException in project spring-security by spring-projects.

the class SpringSecurityLdapTemplate method searchForSingleEntryInternal.

/**
	 * Internal method extracted to avoid code duplication in AD search.
	 */
public static DirContextOperations searchForSingleEntryInternal(DirContext ctx, SearchControls searchControls, String base, String filter, Object[] params) throws NamingException {
    final DistinguishedName ctxBaseDn = new DistinguishedName(ctx.getNameInNamespace());
    final DistinguishedName searchBaseDn = new DistinguishedName(base);
    final NamingEnumeration<SearchResult> resultsEnum = ctx.search(searchBaseDn, filter, params, buildControls(searchControls));
    if (logger.isDebugEnabled()) {
        logger.debug("Searching for entry under DN '" + ctxBaseDn + "', base = '" + searchBaseDn + "', filter = '" + filter + "'");
    }
    Set<DirContextOperations> results = new HashSet<DirContextOperations>();
    try {
        while (resultsEnum.hasMore()) {
            SearchResult searchResult = resultsEnum.next();
            DirContextAdapter dca = (DirContextAdapter) searchResult.getObject();
            Assert.notNull(dca, "No object returned by search, DirContext is not correctly configured");
            if (logger.isDebugEnabled()) {
                logger.debug("Found DN: " + dca.getDn());
            }
            results.add(dca);
        }
    } catch (PartialResultException e) {
        LdapUtils.closeEnumeration(resultsEnum);
        logger.info("Ignoring PartialResultException");
    }
    if (results.size() == 0) {
        throw new IncorrectResultSizeDataAccessException(1, 0);
    }
    if (results.size() > 1) {
        throw new IncorrectResultSizeDataAccessException(1, results.size());
    }
    return results.iterator().next();
}