/* * Copyright 2014 cruxframework.org. * * 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.cruxframework.crux.core.server.rest.core.dispatch; import java.lang.reflect.Method; import org.cruxframework.crux.core.config.ConfigurationFactory; import org.cruxframework.crux.core.server.rest.spi.InternalServerErrorException; /** * @author Thiago da Rosa de Bustamante * */ public class RestErrorHandlerFactory { private static Class<?> restErrorHandlerClass = null; public static RestErrorHandler createErrorHandler(Method method) { if (restErrorHandlerClass == null) { initializeRestErrorHanlderClass(); } try { RestErrorHandler restErrorHandler = (RestErrorHandler) restErrorHandlerClass.newInstance(); restErrorHandler.setMethod(method); return restErrorHandler; } catch(Exception e) { throw new InternalServerErrorException("Can not execute requested service. Error initializing rest error handler: "+restErrorHandlerClass.getCanonicalName(), "Can not execute requested service", e); } } private synchronized static void initializeRestErrorHanlderClass() { if (restErrorHandlerClass == null) { try { String restErrorHandlerClassName = ConfigurationFactory.getConfigurations().restErrorHandler(); restErrorHandlerClass = Class.forName(restErrorHandlerClassName); } catch(Exception e) { throw new InternalServerErrorException("Can not execute requested service. Error initializing rest error handler.", "Can not execute requested service", e); } } } }