001    /*
002     * Copyright 2008-2015 UnboundID Corp.
003     * All Rights Reserved.
004     */
005    /*
006     * Copyright (C) 2008-2015 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.util;
022    
023    
024    
025    /**
026     * This class serves as the base class for all custom checked exception types
027     * defined in the LDAP SDK.
028     */
029    @NotExtensible()
030    @ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
031    public abstract class LDAPSDKException
032           extends Exception
033    {
034      /**
035       * The serial version UID for this serializable class.
036       */
037      private static final long serialVersionUID = 8080186918165352228L;
038    
039    
040    
041      /**
042       * Creates a new instance of this exception with the provided message.
043       *
044       * @param  message  The message to use for this exception.
045       */
046      protected LDAPSDKException(final String message)
047      {
048        super(message);
049      }
050    
051    
052    
053      /**
054       * Creates a new instance of this exception with the provided message and
055       * cause.
056       *
057       * @param  message  The message to use for this exception.
058       * @param  cause    The underlying cause for this exception.  It may be
059       *                  {@code null} if no cause is available.
060       */
061      protected LDAPSDKException(final String message, final Throwable cause)
062      {
063        super(message, cause);
064      }
065    
066    
067    
068      /**
069       * Retrieves a string representation of this exception.
070       *
071       * @return  A string representation of this exception.
072       */
073      @Override()
074      public final String toString()
075      {
076        final StringBuilder buffer = new StringBuilder();
077        toString(buffer);
078        return buffer.toString();
079      }
080    
081    
082    
083      /**
084       * Appends a string representation of this exception to the provided buffer.
085       *
086       * @param  buffer  The buffer to which the string representation of this
087       *                 exception is to be appended.
088       */
089      public void toString(final StringBuilder buffer)
090      {
091        buffer.append(super.toString());
092      }
093    
094    
095    
096      /**
097       * Retrieves a string representation of this exception suitable for use in
098       * messages.
099       *
100       * @return  A string representation of this exception suitable for use in
101       *          messages.
102       */
103      public String getExceptionMessage()
104      {
105        final String message = getMessage();
106        if (message == null)
107        {
108          return toString();
109        }
110        else
111        {
112          return message;
113        }
114      }
115    }