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 }