/*
* 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);
}
}
}
}