Java SearchControls.setCountLimit方法代码示例

import javax.naming.directory.SearchControls; //导入方法依赖的package包/类
public List<LdapEntryVO> search(final Integer limit, String... filterArgs) {
	SearchControls searchControls = new SearchControls();
	Integer defaultLimit;
	if (limit != null) {
		if (limit >= 0) {
			searchControls.setCountLimit(limit);
		} else {
			searchControls.setCountLimit(0l);
		}
	} else if ((defaultLimit = Settings.getIntNullable(SettingCodes.LDAP_ENTRIES_AUTOCOMPLETE_DEFAULT_RESULT_LIMIT, Bundle.SETTINGS,
			DefaultSettings.LDAP_ENTRIES_AUTOCOMPLETE_DEFAULT_RESULT_LIMIT)) != null) {
		if (defaultLimit >= 0) {
			searchControls.setCountLimit(defaultLimit);
		} else {
			searchControls.setCountLimit(0l);
		}
	} else {
		searchControls.setCountLimit(0l);
	}
	return ldapTemplate.search(getBase(), getSearchFilter(filterArgs), searchControls, getAttributeMapper());
}
 

import javax.naming.directory.SearchControls; //导入方法依赖的package包/类
/**
 * Finds a distinguished name(DN) of a user by querying the active directory LDAP context for the
 * specified username.
 */
protected String findUserDn(LdapContextFactory ldapContextFactory, String username) throws NamingException {
    LdapContext ctx = null;
    try {
        // Binds using the system username and password.
        ctx = ldapContextFactory.getSystemLdapContext();

        final SearchControls ctrl = new SearchControls();
        ctrl.setCountLimit(1);
        ctrl.setSearchScope(SearchControls.SUBTREE_SCOPE);
        ctrl.setTimeLimit(searchTimeoutMillis);

        final String filter =
                searchFilter != null ? USERNAME_PLACEHOLDER.matcher(searchFilter)
                                                           .replaceAll(username)
                                     : username;
        final NamingEnumeration<SearchResult> result = ctx.search(searchBase, filter, ctrl);
        try {
            if (!result.hasMore()) {
                throw new AuthenticationException("No username: " + username);
            }
            return result.next().getNameInNamespace();
        } finally {
            result.close();
        }
    } finally {
        LdapUtils.closeContext(ctx);
    }
}
 

import javax.naming.directory.SearchControls; //导入方法依赖的package包/类
/**
 * @return null if there are zero results
 */
private NamingEnumeration<SearchResult> search(DirContext ctx, Name base, String[] returnAttributes, Filter filter,
	boolean recurse)
{
	SearchControls ctls = new SearchControls();
	ctls.setCountLimit(filter.getLimit());
	ctls.setReturningAttributes(returnAttributes);
	ctls.setSearchScope(recurse ? SearchControls.SUBTREE_SCOPE : SearchControls.ONELEVEL_SCOPE);

	try
	{
		// Search for objects using the filter
		String query = filter.toFilter();
		if( LOGGER.isDebugEnabled() )
		{
			LOGGER.debug("Query:" + query + " Base:" + base);
		}
		NamingEnumeration<SearchResult> ne = ctx.search(base, query, ctls);
		if( ne.hasMore() )
		{
			return ne;
		}
	}
	catch( PartialResultException pre )
	{
		LOGGER.info(pre);
	}
	catch( SizeLimitExceededException slee )
	{
		LOGGER.info(slee);
	}
	catch( Exception e )
	{
		LOGGER.warn(e);
	}

	return null;
}
 

import javax.naming.directory.SearchControls; //导入方法依赖的package包/类
private <T> List<T> searchByLimit(Properties properties, String baseDN,
        String filter, ILdapResultMapper<T> mapper, boolean checkAttribute,
        int searchLimit) throws NamingException {
    List<T> list = new ArrayList<T>();
    NamingEnumeration<SearchResult> namingEnum = null;

    DirContext ctx = getDirContext(properties);

    SearchControls ctls = new SearchControls();
    String[] attrIds = mapper.getAttributes();
    ctls.setReturningAttributes(attrIds);
    ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
    ctls.setCountLimit(searchLimit);

    try {
        namingEnum = ctx.search(baseDN, escapeLDAPSearchFilter(filter),
                ctls);
        int count = 0;
        while (count++ < searchLimit && hasMoreEnum(namingEnum)) {
            SearchResult res = namingEnum.next();
            Attributes ldapAttributes = res.getAttributes();
            String[] values = new String[attrIds.length];
            for (int i = 0; i < values.length; i++) {
                Attribute ldapAttr = ldapAttributes
                        .get(escapeLDAPSearchFilter(attrIds[i]));
                if (checkAttribute && ldapAttr == null) {
                    NamingException e = new NamingException(
                            "Unknown LDAP attribute " + attrIds[i]);
                    throw e;
                }
                if (ldapAttr != null && ldapAttr.get() != null) {
                    values[i] = ldapAttr.get().toString();
                }
            }
            T t = mapper.map(values);
            if (t != null) {
                list.add(t);
            }
        }
    } finally {
        if (namingEnum != null) {
            try {
                namingEnum.close();
            } finally {
                closeContext(ctx);
            }
        }
        closeContext(ctx);
    }
    return list;
}