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.xbean.spring.context.impl; 018 019 import java.lang.reflect.Constructor; 020 import java.util.List; 021 022 import org.apache.xbean.spring.context.SpringApplicationContext; 023 import org.springframework.beans.factory.support.BeanDefinitionRegistry; 024 import org.springframework.beans.factory.xml.XmlBeanDefinitionReader; 025 026 public class XBeanHelper { 027 028 public static XmlBeanDefinitionReader createBeanDefinitionReader( 029 SpringApplicationContext applicationContext, 030 BeanDefinitionRegistry registry, 031 List xmlPreprocessors) { 032 033 String version = "2.0"; 034 035 try { 036 Class spring20Clazz = Class.forName("org.springframework.core.AttributeAccessorSupport"); 037 version = "2.0"; 038 } catch(ClassNotFoundException e) { 039 version = "1.2.8"; 040 } 041 042 String className = "org.apache.xbean.spring.context.v" + version.charAt(0) + ".XBeanXmlBeanDefinitionReader"; 043 try { 044 Class cl = Class.forName(className); 045 Constructor cstr = cl.getConstructor(new Class[] { SpringApplicationContext.class, BeanDefinitionRegistry.class, List.class }); 046 return (XmlBeanDefinitionReader) cstr.newInstance(new Object[] { applicationContext, registry, xmlPreprocessors }); 047 } catch (Exception e) { 048 throw (IllegalStateException) new IllegalStateException("Could not find valid implementation for: " + version).initCause(e); 049 } 050 } 051 }