/**
* Copyright 2005-2013 hdiv.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.hdiv.web.multipart;
import javax.servlet.http.HttpServletRequest;
import org.hdiv.config.multipart.IMultipartConfig;
import org.hdiv.config.multipart.exception.HdivMultipartException;
import org.springframework.web.multipart.MultipartException;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
import org.springframework.web.util.WebUtils;
/**
* {@link MultipartResolver} to use instead of {@link CommonsMultipartResolver}.
*
* @author Gotzon Illarramendi
*/
public class HdivCommonsMultipartResolver extends CommonsMultipartResolver {
@Override
public boolean isMultipart(HttpServletRequest request) {
HdivMultipartException multipartException = (HdivMultipartException) request
.getAttribute(IMultipartConfig.FILEUPLOAD_EXCEPTION);
if (multipartException != null) {
Exception orig = multipartException.getOriginal();
if (orig instanceof MultipartException) {
throw (MultipartException) orig;
} else {
throw new MultipartException("Could not parse multipart servlet request", orig);
}
}
return super.isMultipart(request);
}
@Override
public MultipartHttpServletRequest resolveMultipart(HttpServletRequest request) throws MultipartException {
MultipartHttpServletRequest multipartHttpServletRequest = WebUtils.getNativeRequest(request,
MultipartHttpServletRequest.class);
if (multipartHttpServletRequest != null) {
// Use MultipartHttpServletRequestWrapper to maintain MultipartHttpServletRequest in first place
// and obtains parameter values from RequestWrapper, with real values with confidentiality activated
return new MultipartHttpServletRequestWrapper(request, multipartHttpServletRequest);
}
// If MultipartHttpServletRequest instance is not present, parse multipart request
return super.resolveMultipart(request);
}
}