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 /** 021 * An exception caused when a mandatory property is not available on a message 022 * {@link Exchange} 023 * 024 * @see ExchangeHelper#getMandatoryProperty(Exchange, String, Class) 025 * 026 * @version $Revision: 563607 $ 027 */ 028 public class NoSuchPropertyException extends CamelExchangeException { 029 private static final long serialVersionUID = -8721487431101572630L; 030 private final String propertyName; 031 private final Class<?> type; 032 033 public NoSuchPropertyException(Exchange exchange, String propertyName, Class<?> type) { 034 super("No '" + propertyName + "' property available of type: " + type.getName() 035 + reason(exchange, propertyName), exchange); 036 this.propertyName = propertyName; 037 this.type = type; 038 } 039 040 public String getPropertyName() { 041 return propertyName; 042 } 043 044 public Class<?> getType() { 045 return type; 046 } 047 048 protected static String reason(Exchange exchange, String propertyName) { 049 Object value = exchange.getProperty(propertyName); 050 return valueDescription(value); 051 } 052 053 static String valueDescription(Object value) { 054 if (value == null) { 055 return ""; 056 } 057 return " but has value: " + value + " of type: " + value.getClass().getName(); 058 } 059 }