1 /*
   2  * Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.jndi.toolkit.dir;
  27 
  28 import javax.naming.*;
  29 import javax.naming.directory.*;
  30 
  31 /**
  32   * A class for searching DirContexts
  33   *
  34   * @author Jon Ruiz
  35   */
  36 public class DirSearch {
  37    public static NamingEnumeration search(DirContext ctx,
  38        Attributes matchingAttributes,
  39        String[] attributesToReturn) throws NamingException {
  40         SearchControls cons = new SearchControls(
  41             SearchControls.ONELEVEL_SCOPE,
  42             0, 0, attributesToReturn,
  43             false, false);
  44 
  45         return new LazySearchEnumerationImpl(
  46             new ContextEnumerator(ctx, SearchControls.ONELEVEL_SCOPE),
  47             new ContainmentFilter(matchingAttributes),
  48             cons);
  49     }
  50 
  51     public static NamingEnumeration search(DirContext ctx,
  52         String filter, SearchControls cons) throws NamingException {
  53 
  54         if (cons == null)
  55             cons = new SearchControls();
  56 
  57         return new LazySearchEnumerationImpl(
  58             new ContextEnumerator(ctx, cons.getSearchScope()),
  59             new SearchFilter(filter),
  60             cons);
  61     }
  62 
  63     public static NamingEnumeration search(DirContext ctx,
  64         String filterExpr, Object[] filterArgs, SearchControls cons)
  65         throws NamingException {
  66 
  67         String strfilter = SearchFilter.format(filterExpr, filterArgs);
  68         return search(ctx, strfilter, cons);
  69     }
  70 }