/* * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.jndi.toolkit.dir; import javax.naming.*;import javax.naming.directory.*; /**  * A class for searching DirContexts  *  * @author Jon Ruiz  */public class DirSearch {   public static NamingEnumeration search(DirContext ctx,       Attributes matchingAttributes,       String[] attributesToReturn) throws NamingException {        SearchControls cons = new SearchControls(            SearchControls.ONELEVEL_SCOPE,            0, 0, attributesToReturn,            false, false);         return new LazySearchEnumerationImpl(            new ContextEnumerator(ctx, SearchControls.ONELEVEL_SCOPE),            new ContainmentFilter(matchingAttributes),            cons);    }     public static NamingEnumeration search(DirContext ctx,        String filter, SearchControls cons) throws NamingException {         if (cons == null)            cons = new SearchControls();         return new LazySearchEnumerationImpl(            new ContextEnumerator(ctx, cons.getSearchScope()),            new SearchFilter(filter),            cons);    }     public static NamingEnumeration search(DirContext ctx,        String filterExpr, Object[] filterArgs, SearchControls cons)        throws NamingException {         String strfilter = SearchFilter.format(filterExpr, filterArgs);        return search(ctx, strfilter, cons);    }}