001 /**
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one or more
004 * contributor license agreements. See the NOTICE file distributed with
005 * this work for additional information regarding copyright ownership.
006 * The ASF licenses this file to You under the Apache License, Version 2.0
007 * (the "License"); you may not use this file except in compliance with
008 * 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, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018 package org.apache.camel.spring.xml;
019
020 import org.apache.camel.util.ObjectHelper;
021
022 /**
023 * A {@link BeanDefinitionParser} which lazy loads the type on which it creates to allow the schema to be loosly coupled
024 * with the camel jars.
025 *
026 * @version $Revision: 1.1 $
027 */
028 public class LazyLoadingBeanDefinitionParser extends BeanDefinitionParser {
029 private String className;
030 private String moduleName;
031
032 public LazyLoadingBeanDefinitionParser(String className, String moduleName) {
033 this.className = className;
034 this.moduleName = moduleName;
035 }
036
037 @Override
038 protected Class loadType() {
039 Class<?> answer = ObjectHelper.loadClass(className, getClass().getClassLoader());
040 if (answer == null) {
041 throw new IllegalArgumentException("Class: " + className + " could not be found. You need to add Camel module: " + moduleName + " to your classpath");
042 }
043 return answer;
044 }
045 }