001    /*
002     * Copyright 2009-2013 UnboundID Corp.
003     * All Rights Reserved.
004     */
005    /*
006     * Copyright (C) 2009-2013 UnboundID Corp.
007     *
008     * This program is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU General Public License (GPLv2 only)
010     * or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
011     * as published by the Free Software Foundation.
012     *
013     * This program is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016     * GNU General Public License for more details.
017     *
018     * You should have received a copy of the GNU General Public License
019     * along with this program; if not, see <http://www.gnu.org/licenses>.
020     */
021    package com.unboundid.ldap.sdk.controls;
022    
023    
024    
025    import com.unboundid.ldap.sdk.Control;
026    import com.unboundid.ldap.sdk.LDAPException;
027    import com.unboundid.ldap.sdk.ResultCode;
028    import com.unboundid.util.NotMutable;
029    import com.unboundid.util.ThreadSafety;
030    import com.unboundid.util.ThreadSafetyLevel;
031    
032    import static com.unboundid.ldap.sdk.controls.ControlMessages.*;
033    
034    
035    
036    /**
037     * This class provides an implementation of the permissive modify request
038     * control, which is supported by a number of servers and may be included in a
039     * modify request to indicate that the server should not reject a modify
040     * request which attempts to add an attribute value which already exists or
041     * remove an attribute value which does not exist.  Normally, such modification
042     * attempts would be rejected.
043     * <BR><BR>
044     * The OID for this control is "1.2.840.113556.1.4.1413".  It does not have a
045     * value.
046     * <BR><BR>
047     * <H2>Example</H2>
048     * The following example demonstrates the use of the permissive modify request
049     * control to remove a value of "test" from the description attribute, or to do
050     * nothing if that value is not contained in the entry.
051     * <PRE>
052     *   Modification mod = new Modification(ModificationType.DELETE,
053     *        "description", "test");
054     *   ModifyRequest modifyRequest = new ModifyRequest(
055     *        "uid=john.doe,ou=People,dc=example,dc=com", mod);
056     *   modifyRequest.addControl(new PermissiveModifyRequestControl());
057     *   LDAPResult modifyResult = connection.modify(modifyRequest);
058     * </PRE>
059     */
060    @NotMutable()
061    @ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
062    public final class PermissiveModifyRequestControl
063           extends Control
064    {
065      /**
066       * The OID (1.2.840.113556.1.4.1413) for the permissive modify request
067       * control.
068       */
069      public static final String PERMISSIVE_MODIFY_REQUEST_OID =
070           "1.2.840.113556.1.4.1413";
071    
072    
073    
074      /**
075       * The serial version UID for this serializable class.
076       */
077      private static final long serialVersionUID = -2599039772002106760L;
078    
079    
080    
081      /**
082       * Creates a new permissive modify request control.  The control will not be
083       * marked critical.
084       */
085      public PermissiveModifyRequestControl()
086      {
087        super(PERMISSIVE_MODIFY_REQUEST_OID, false, null);
088      }
089    
090    
091    
092      /**
093       * Creates a new permissive modify request control.
094       *
095       * @param  isCritical  Indicates whether the control should be marked
096       *                     critical.
097       */
098      public PermissiveModifyRequestControl(final boolean isCritical)
099      {
100        super(PERMISSIVE_MODIFY_REQUEST_OID, isCritical, null);
101      }
102    
103    
104    
105      /**
106       * Creates a new permissive modify request control which is decoded from the
107       * provided generic control.
108       *
109       * @param  control  The generic control to be decoded as a permissive modify
110       *                  request control.
111       *
112       * @throws  LDAPException  If the provided control cannot be decoded as a
113       *                         permissive modify request control.
114       */
115      public PermissiveModifyRequestControl(final Control control)
116             throws LDAPException
117      {
118        super(control);
119    
120        if (control.hasValue())
121        {
122          throw new LDAPException(ResultCode.DECODING_ERROR,
123                                  ERR_PERMISSIVE_MODIFY_HAS_VALUE.get());
124        }
125      }
126    
127    
128    
129      /**
130       * {@inheritDoc}
131       */
132      @Override()
133      public String getControlName()
134      {
135        return INFO_CONTROL_NAME_PERMISSIVE_MODIFY_REQUEST.get();
136      }
137    
138    
139    
140      /**
141       * {@inheritDoc}
142       */
143      @Override()
144      public void toString(final StringBuilder buffer)
145      {
146        buffer.append("PermissiveModifyRequestControl(isCritical=");
147        buffer.append(isCritical());
148        buffer.append(')');
149      }
150    }