/**
* Copyright 2010-2013 Ralph Schaer <ralphschaer@gmail.com>
*
* 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 ch.ralscha.extdirectspring.controller;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.Executors;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.convert.ConversionService;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.format.support.FormattingConversionService;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.support.WebArgumentResolver;
import ch.ralscha.extdirectspring.util.JsonHandler;
import ch.ralscha.extdirectspring.util.ParametersResolver;
@Service
public class ConfigurationService implements InitializingBean, DisposableBean {
@Autowired
private ApplicationContext context;
@Autowired(required = false)
private Configuration configuration;
@Autowired(required = false)
private JsonHandler jsonHandler;
@Autowired(required = false)
private RouterExceptionHandler routerExceptionHandler;
private ParametersResolver parametersResolver;
@Override
public void afterPropertiesSet() {
if (configuration == null) {
configuration = new Configuration();
}
if (configuration.getJsonHandler() != null) {
jsonHandler = configuration.getJsonHandler();
}
if (jsonHandler == null) {
jsonHandler = new JsonHandler();
}
if (routerExceptionHandler == null) {
routerExceptionHandler = new DefaultRouterExceptionHandler(this);
}
if (configuration.getBatchedMethodsExecutionPolicy() == BatchedMethodsExecutionPolicy.CONCURRENT
&& configuration.getBatchedMethodsExecutorService() == null) {
configuration.setBatchedMethodsExecutorService(Executors.newFixedThreadPool(5));
}
if (configuration.getConversionService() == null) {
Map<String, ConversionService> conversionServices = context.getBeansOfType(ConversionService.class);
if (conversionServices.isEmpty()) {
configuration.setConversionService(new DefaultFormattingConversionService());
} else if (conversionServices.size() == 1) {
configuration.setConversionService(conversionServices.values().iterator().next());
} else {
if (conversionServices.containsKey("mvcConversionService")) {
configuration.setConversionService(conversionServices.get("mvcConversionService"));
} else {
for (ConversionService conversionService : conversionServices.values()) {
if (conversionService instanceof FormattingConversionService) {
configuration.setConversionService(conversionService);
break;
}
}
if (configuration.getConversionService() == null) {
configuration.setConversionService(conversionServices.values().iterator().next());
}
}
}
}
Collection<WebArgumentResolver> webResolvers = context.getBeansOfType(WebArgumentResolver.class).values();
parametersResolver = new ParametersResolver(configuration.getConversionService(), jsonHandler, webResolvers);
}
@Override
public void destroy() throws Exception {
if (configuration.getBatchedMethodsExecutorService() != null) {
configuration.getBatchedMethodsExecutorService().shutdown();
}
}
public Configuration getConfiguration() {
return configuration;
}
public JsonHandler getJsonHandler() {
return jsonHandler;
}
public ApplicationContext getApplicationContext() {
return context;
}
public ParametersResolver getParametersResolver() {
return parametersResolver;
}
public RouterExceptionHandler getRouterExceptionHandler() {
return routerExceptionHandler;
}
}