1/* 2 * Copyright (c) 1999, 2003, 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 26package com.sun.jndi.ldap; 27 28import java.io.IOException; 29import javax.naming.*; 30import javax.naming.directory.*; 31import javax.naming.ldap.*; 32 33/** 34 * This class represents a factory for creating LDAPv3 response controls. 35 * The following response controls are supported: 36 * <ul> 37 * <li> 38 * Paged results, as defined in 39 * <a href="http://www.ietf.org/rfc/rfc2696.txt">RFC 2696</a>. 40 * <li> 41 * Server-side sorting, as defined in 42 * <a href="http://www.ietf.org/rfc/rfc2891.txt">RFC 2891</a>. 43 * <li> 44 * Entry change response control, as defined in 45 * <a href="http://www.ietf.org/internet-drafts/draft-ietf-ldapext-psearch-02.txt">draft-ietf-ldapext-psearch-02.txt</a>. 46 * </ul> 47 * 48 * @see javax.naming.ldap.SortResponseControl 49 * @see javax.naming.ldap.PagedResultsResponseControl 50 * @see PersistentSearchControl 51 * @see EntryChangeResponseControl 52 * @author Vincent Ryan 53 */ 54public class DefaultResponseControlFactory extends ControlFactory { 55 56 /** 57 * Constructs a new instance of the response control factory. 58 */ 59 public DefaultResponseControlFactory() { 60 } 61 62 /** 63 * Creates an instance of a response control class from a more 64 * generic control class (BasicControl). 65 * 66 * @param ctl A non-null control. 67 * @return The LDAP control created or null if it cannot be created. 68 * Null indicates that another factory should be attempted. 69 * @exception NamingException if this control factory encountered an 70 * error condition while attempting to create the LDAP control, 71 * and no other control factories are to be tried. 72 */ 73 public Control getControlInstance(Control ctl) 74 throws NamingException { 75 76 String id = ctl.getID(); 77//System.out.println(id); 78 79 try { 80 if (id.equals(SortResponseControl.OID)) { 81 return new SortResponseControl(id, ctl.isCritical(), 82 ctl.getEncodedValue()); 83 84 } else if (id.equals(PagedResultsResponseControl.OID)) { 85 return new PagedResultsResponseControl(id, ctl.isCritical(), 86 ctl.getEncodedValue()); 87 88 } else if (id.equals(EntryChangeResponseControl.OID)) { 89 return new EntryChangeResponseControl(id, ctl.isCritical(), 90 ctl.getEncodedValue()); 91 92 } 93 } catch (IOException e) { 94 NamingException ne = new NamingException(); 95 ne.setRootCause(e); 96 throw ne; 97 } 98 return null; 99 } 100} 101