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 * An exception thrown if a value could not be converted to the required type
021 *
022 * @version $Revision: 775486 $
023 */
024 public class NoTypeConversionAvailableException extends CamelException {
025 private final transient Object value;
026 private final transient Class type;
027
028 public NoTypeConversionAvailableException(Object value, Class type) {
029 super(createMessage(value, type));
030 this.value = value;
031 this.type = type;
032 }
033
034 public NoTypeConversionAvailableException(Object value, Class type, Throwable cause) {
035 this(value, type);
036 initCause(cause);
037 }
038
039 /**
040 * Returns the value which could not be converted
041 */
042 public Object getValue() {
043 return value;
044 }
045
046 /**
047 * Returns the required <tt>to</tt> type
048 */
049 public Class getToType() {
050 return type;
051 }
052
053 /**
054 * Returns the required <tt>from</tt> type.
055 * Returns <tt>null</tt> if the provided value was null.
056 */
057 public Class getFromType() {
058 if (value != null) {
059 return value.getClass();
060 } else {
061 return null;
062 }
063 }
064
065 /**
066 * Returns an error message for no type converter available.
067 */
068 public static String createMessage(Object value, Class type) {
069 return "No type converter available to convert from type: " + (value != null ? value.getClass().getCanonicalName() : null)
070 + " to the required type: " + type.getCanonicalName() + " with value " + value;
071 }
072
073 }