org.springframework.web.multipart.support.DefaultMultipartHttpServletRequest Maven / Gradle / Ivy
/*
* Copyright 2002-2005 the original author or authors.
*
* 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.springframework.web.multipart.support;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.servlet.http.HttpServletRequest;
/**
* Default implementation of the MultipartHttpServletRequest interface.
* Provides management of pre-generated parameter values.
*
* @author Trevor D. Cook
* @author Juergen Hoeller
* @since 29.09.2003
* @see org.springframework.web.multipart.MultipartResolver
*/
public class DefaultMultipartHttpServletRequest extends AbstractMultipartHttpServletRequest {
private final Map multipartParameters;
/**
* Wrap the given HttpServletRequest in a MultipartHttpServletRequest.
* @param request the servlet request to wrap
* @param multipartFiles a map of the multipart files
* @param multipartParameters a map of the parameters to expose,
* with Strings as keys and String arrays as values
*/
public DefaultMultipartHttpServletRequest(
HttpServletRequest request, Map multipartFiles, Map multipartParameters) {
super(request);
setMultipartFiles(multipartFiles);
this.multipartParameters = multipartParameters;
}
public Enumeration getParameterNames() {
Set paramNames = new HashSet();
Enumeration paramEnum = super.getParameterNames();
while (paramEnum.hasMoreElements()) {
paramNames.add(paramEnum.nextElement());
}
paramNames.addAll(this.multipartParameters.keySet());
return Collections.enumeration(paramNames);
}
public String getParameter(String name) {
String[] values = (String[]) this.multipartParameters.get(name);
if (values != null) {
return (values.length > 0 ? values[0] : null);
}
return super.getParameter(name);
}
public String[] getParameterValues(String name) {
String[] values = (String[]) this.multipartParameters.get(name);
if (values != null) {
return values;
}
return super.getParameterValues(name);
}
public Map getParameterMap() {
Map paramMap = new HashMap();
paramMap.putAll(super.getParameterMap());
paramMap.putAll(this.multipartParameters);
return paramMap;
}
}