| /** |
| * |
| * Copyright 2005-2006 The Apache Software Foundation or its licensors, as applicable. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| **/ |
| package org.apache.xbean.spring.context.impl; |
| |
| import org.springframework.beans.factory.BeanDefinitionStoreException; |
| import org.springframework.beans.factory.support.AbstractBeanDefinition; |
| import org.w3c.dom.Element; |
| |
| import java.beans.PropertyDescriptor; |
| import java.lang.reflect.Method; |
| |
| /** |
| * To avoid a runtime dependency on the QName class lets use reflection to |
| * process QName instances. |
| * |
| * @version $Revision: 1.1 $ |
| */ |
| public class QNameReflectionHelper { |
| |
| protected static Method coerceMethod; |
| protected static Method createMethod; |
| |
| public static void coerceNamespaceAwarePropertyValues(AbstractBeanDefinition beanDefinition, Element element, |
| PropertyDescriptor[] descriptors, int index) { |
| QNameReflectionParams params = new QNameReflectionParams(beanDefinition, element, descriptors, index); |
| if (coerceMethod == null) { |
| coerceMethod = findMethod("coerceQNamePropertyValues"); |
| } |
| if (coerceMethod != null) { |
| try { |
| coerceMethod.invoke(null, new Object[] { params }); |
| } |
| catch (Exception e) { |
| throw new BeanDefinitionStoreException("Failed to invoke method: " + coerceMethod + " via reflection: " + e, |
| e); |
| } |
| } |
| } |
| |
| public static Object createQName(Element element, String text) { |
| if (createMethod == null) { |
| createMethod = findMethod("createQName"); |
| } |
| if (createMethod != null) { |
| try { |
| return createMethod.invoke(null, new Object[] { element, text }); |
| } |
| catch (Exception e) { |
| throw new BeanDefinitionStoreException("Failed to invoke method: " + createMethod + " via reflection: " + e, |
| e); |
| } |
| } |
| return null; |
| } |
| |
| protected static Method findMethod(String name) { |
| Class type = PropertyEditorHelper.loadClass("org.apache.xbean.spring.context.impl.QNameHelper"); |
| if (type != null) { |
| Method[] methods = type.getMethods(); |
| for (int i = 0; i < methods.length; i++) { |
| Method method = methods[i]; |
| if (method.getName().equals(name)) { |
| return method; |
| } |
| } |
| } |
| return null; |
| } |
| |
| } |