/* * Copyright 2002-2011 the original author or authors. * * 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.springframework.flex.config.xml; import org.springframework.beans.factory.BeanCreationException; import org.springframework.util.ClassUtils; /** * Detects the version of Spring Security being used at runtime and returns an appropriate {@link SpringSecurityConfigHelper} * * @author Jeremy Grelle */ public class SpringSecurityConfigResolver { private static final String SECURITY3_CONFIG_HELPER_CLASSNAME = "org.springframework.flex.config.xml.SpringSecurity3ConfigHelper"; public static SpringSecurityConfigHelper resolve() { return createConfigHelper(SECURITY3_CONFIG_HELPER_CLASSNAME); } static SpringSecurityConfigHelper createConfigHelper (String helperClassName) { try { return (SpringSecurityConfigHelper) ClassUtils.forName(helperClassName, SpringSecurityConfigResolver.class.getClassLoader()).newInstance(); } catch (Exception ex) { throw new BeanCreationException("Could not construct an appropriate implementation of " + SpringSecurityConfigHelper.class.getName(), ex); } } }