/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* 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 br.com.caelum.vraptor.http;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import br.com.caelum.vraptor.core.RequestInfo;
import br.com.caelum.vraptor.http.route.MethodNotAllowedException;
import br.com.caelum.vraptor.http.route.Router;
import br.com.caelum.vraptor.ioc.ApplicationScoped;
import br.com.caelum.vraptor.resource.HttpMethod;
import br.com.caelum.vraptor.resource.ResourceMethod;
/**
* Basic url to resource method translator.
*
* @author Guilherme Silveira
* @author Leonardo Bessa
*/
@ApplicationScoped
public class DefaultResourceTranslator implements UrlToResourceTranslator {
private final Logger logger = LoggerFactory.getLogger(DefaultResourceTranslator.class);
private final Router router;
public DefaultResourceTranslator(Router router) {
this.router = router;
}
public ResourceMethod translate(RequestInfo info) {
MutableRequest request = info.getRequest();
String resourceName = info.getRequestedUri();
logger.debug("trying to access {}", resourceName);
HttpMethod method;
try {
method = HttpMethod.of(request);
} catch (IllegalArgumentException e) {
throw new MethodNotAllowedException(router.allowedMethodsFor(resourceName), request.getMethod());
}
ResourceMethod resource = router.parse(resourceName, method, request);
logger.debug("found resource {}", resource);
return resource;
}
}