001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel;
018    
019    /**
020     * Is thrown if the payload from the exchange could not be retrieve because of being null, wrong class type etc.
021     *
022     * @version $Revision: 775486 $
023     */
024    public class InvalidPayloadException extends CamelExchangeException {
025        private final transient Class<?> type;
026    
027        public InvalidPayloadException(Exchange exchange, Class<?> type) {
028            this(exchange, type, exchange.getIn());
029        }
030    
031        public InvalidPayloadException(Exchange exchange, Class<?> type, Message message) {
032            super("No body available of type: " + type.getCanonicalName()
033                  + NoSuchPropertyException.valueDescription(message.getBody()) + " on: " + message, exchange);
034            this.type = type;
035        }
036    
037        public InvalidPayloadException(Exchange exchange, Class<?> type, Message message, Throwable cause) {
038            super("No body available of type: " + type.getCanonicalName()
039                  + NoSuchPropertyException.valueDescription(message.getBody()) + " on: " + message
040                  + ". Caused by: " + cause.getMessage(), exchange, cause);
041            this.type = type;
042        }
043    
044        /**
045         * The expected type of the body
046         */
047        public Class<?> getType() {
048            return type;
049        }
050    }