/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.jaxrs.interceptor;
import java.util.List;
import java.util.ResourceBundle;
import java.util.logging.Logger;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import org.apache.cxf.common.i18n.BundleUtils;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.jaxrs.JAXRSServiceImpl;
import org.apache.cxf.jaxrs.ext.RequestHandler;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.jaxrs.impl.RequestPreprocessor;
import org.apache.cxf.jaxrs.impl.UriInfoImpl;
import org.apache.cxf.jaxrs.model.ClassResourceInfo;
import org.apache.cxf.jaxrs.model.OperationResourceInfo;
import org.apache.cxf.jaxrs.model.ProviderInfo;
import org.apache.cxf.jaxrs.model.URITemplate;
import org.apache.cxf.jaxrs.provider.ProviderFactory;
import org.apache.cxf.jaxrs.utils.HttpUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.phase.AbstractPhaseInterceptor;
import org.apache.cxf.phase.Phase;
import org.apache.cxf.service.Service;
public class JAXRSInInterceptor extends AbstractPhaseInterceptor<Message> {
public static final String RELATIVE_PATH = "relative.path";
public static final String ROOT_RESOURCE_CLASS = "root.resource.class";
private static final Logger LOG = LogUtils.getL7dLogger(JAXRSInInterceptor.class);
private static final ResourceBundle BUNDLE = BundleUtils.getBundle(JAXRSInInterceptor.class);
public JAXRSInInterceptor() {
super(Phase.PRE_STREAM);
}
public void handleMessage(Message message) {
try {
processRequest(message);
} catch (RuntimeException ex) {
Response excResponse = JAXRSUtils.convertFaultToResponse(ex, message);
if (excResponse == null) {
ProviderFactory.getInstance(message).clearThreadLocalProxies();
message.getExchange().put(Message.PROPOGATE_EXCEPTION, Boolean.TRUE);
throw ex;
}
message.getExchange().put(Response.class, excResponse);
}
}
private void processRequest(Message message) {
if (message.getExchange().get(OperationResourceInfo.class) != null) {
// it's a suspended invocation;
return;
}
RequestPreprocessor rp = ProviderFactory.getInstance(message).getRequestPreprocessor();
if (rp != null) {
rp.preprocess(message, new UriInfoImpl(message, null));
}
String requestContentType = (String)message.get(Message.CONTENT_TYPE);
if (requestContentType == null) {
requestContentType = "*/*";
}
String rawPath = HttpUtils.getPathToMatch(message, true);
//1. Matching target resource class
Service service = message.getExchange().get(Service.class);
List<ClassResourceInfo> resources = ((JAXRSServiceImpl)service).getClassResourceInfos();
String acceptTypes = (String)message.get(Message.ACCEPT_CONTENT_TYPE);
if (acceptTypes == null) {
acceptTypes = "*/*";
message.put(Message.ACCEPT_CONTENT_TYPE, acceptTypes);
}
List<MediaType> acceptContentTypes = JAXRSUtils.sortMediaTypes(acceptTypes);
message.getExchange().put(Message.ACCEPT_CONTENT_TYPE, acceptContentTypes);
MultivaluedMap<String, String> values = new MetadataMap<String, String>();
ClassResourceInfo resource = JAXRSUtils.selectResourceClass(resources,
rawPath,
values);
if (resource == null) {
org.apache.cxf.common.i18n.Message errorMsg =
new org.apache.cxf.common.i18n.Message("NO_ROOT_EXC",
BUNDLE,
rawPath);
LOG.warning(errorMsg.toString());
throw new WebApplicationException(Response.Status.NOT_FOUND);
}
message.getExchange().put(ROOT_RESOURCE_CLASS, resource);
String httpMethod = (String)message.get(Message.HTTP_REQUEST_METHOD);
OperationResourceInfo ori = null;
List<ProviderInfo<RequestHandler>> shs = ProviderFactory.getInstance(message).getRequestHandlers();
for (ProviderInfo<RequestHandler> sh : shs) {
String newAcceptTypes = (String)message.get(Message.ACCEPT_CONTENT_TYPE);
if (!acceptTypes.equals(newAcceptTypes) || ori == null) {
acceptTypes = newAcceptTypes;
acceptContentTypes = JAXRSUtils.sortMediaTypes(newAcceptTypes);
message.getExchange().put(Message.ACCEPT_CONTENT_TYPE, acceptContentTypes);
if (ori != null) {
values = new MetadataMap<String, String>();
resource = JAXRSUtils.selectResourceClass(resources,
rawPath,
values);
}
try {
ori = JAXRSUtils.findTargetMethod(resource,
values.getFirst(URITemplate.FINAL_MATCH_GROUP), httpMethod, values,
requestContentType, acceptContentTypes);
} catch (WebApplicationException ex) {
if (ex.getResponse() != null && ex.getResponse().getStatus() == 405
&& "OPTIONS".equalsIgnoreCase(httpMethod)) {
Response response = JAXRSUtils.createResponseBuilder(resource, 200, true).build();
message.getExchange().put(Response.class, response);
return;
} else {
throw ex;
}
}
message.getExchange().put(OperationResourceInfo.class, ori);
}
Response response = sh.getProvider().handleRequest(message, resource);
if (response != null) {
message.getExchange().put(Response.class, response);
return;
}
}
String newAcceptTypes = (String)message.get(Message.ACCEPT_CONTENT_TYPE);
if (!acceptTypes.equals(newAcceptTypes) || ori == null) {
acceptTypes = newAcceptTypes;
acceptContentTypes = JAXRSUtils.sortMediaTypes(acceptTypes);
message.getExchange().put(Message.ACCEPT_CONTENT_TYPE, acceptContentTypes);
if (ori != null) {
values = new MetadataMap<String, String>();
resource = JAXRSUtils.selectResourceClass(resources,
rawPath,
values);
}
ori = JAXRSUtils.findTargetMethod(resource, values.getFirst(URITemplate.FINAL_MATCH_GROUP),
httpMethod, values, requestContentType, acceptContentTypes);
message.getExchange().put(OperationResourceInfo.class, ori);
}
LOG.fine("Request path is: " + rawPath);
LOG.fine("Request HTTP method is: " + httpMethod);
LOG.fine("Request contentType is: " + requestContentType);
LOG.fine("Accept contentType is: " + acceptTypes);
LOG.fine("Found operation: " + ori.getMethodToInvoke().getName());
message.getExchange().put(OperationResourceInfo.class, ori);
message.put(RELATIVE_PATH, values.getFirst(URITemplate.FINAL_MATCH_GROUP));
message.put(URITemplate.TEMPLATE_PARAMETERS, values);
//2. Process parameters
List<Object> params = JAXRSUtils.processParameters(ori, values, message);
message.setContent(List.class, params);
}
}