001    /*
002     *  Licensed to the Apache Software Foundation (ASF) under one
003     *  or more contributor license agreements.  See the NOTICE file
004     *  distributed with this work for additional information
005     *  regarding copyright ownership.  The ASF licenses this file
006     *  to you under the Apache License, Version 2.0 (the
007     *  "License"); you may not use this file except in compliance
008     *  with the License.  You may obtain a copy of the License at
009     *  
010     *    http://www.apache.org/licenses/LICENSE-2.0
011     *  
012     *  Unless required by applicable law or agreed to in writing,
013     *  software distributed under the License is distributed on an
014     *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     *  KIND, either express or implied.  See the License for the
016     *  specific language governing permissions and limitations
017     *  under the License. 
018     *  
019     */
020    package org.apache.directory.shared.ldap.exception;
021    
022    
023    import org.apache.directory.shared.i18n.I18n;
024    import org.apache.directory.shared.ldap.message.ResultCodeEnum;
025    
026    
027    /**
028     * LDAP specific {@link LdapOperationException} that preserves resultCode
029     * resolution.
030     * 
031     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
032     * @version $Rev: 923834 $
033     */
034    public class LdapServiceUnavailableException extends LdapOperationException
035    {
036        /** The serial version UUID */
037        static final long serialVersionUID = 1L;
038    
039    
040        /**
041         * Creates a new instance of LdapServiceUnavailableException.
042         *
043         * @param resultCode the ResultCodeEnum for this exception
044         * @param message The exception message
045         */
046        public LdapServiceUnavailableException( ResultCodeEnum resultCode, String message )
047        {
048            super( message );
049            checkResultCode( resultCode );
050            this.resultCode = resultCode;
051        }
052    
053    
054        /**
055         * Creates a new instance of LdapServiceUnavailableException.
056         * 
057         * @param resultCode the ResultCodeEnum for this exception
058         */
059        public LdapServiceUnavailableException( ResultCodeEnum resultCode )
060        {
061            super( null );
062            checkResultCode( resultCode );
063            this.resultCode = resultCode;
064        }
065    
066    
067        /**
068         * Checks to make sure the resultCode value is right for this exception
069         * type.
070         * 
071         * @throws IllegalArgumentException
072         *             if the result code is not one of
073         *             {@link ResultCodeEnum#BUSY},
074         *             {@link ResultCodeEnum#UNAVAILABLE}.
075         */
076        private void checkResultCode( ResultCodeEnum resultCode )
077        {
078            switch ( resultCode )
079            {
080                case BUSY :
081                case UNAVAILABLE :
082                    return;
083                    
084                default:
085                    throw new IllegalArgumentException( I18n.err( I18n.ERR_04140, resultCode ) );
086            }
087        }
088    }