/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.ServletException;
import java.util.List;
import java.util.Map;
import java.util.HashMap;
/**
* Wraps commons file-upload and handles a "multipart/form-data" form submisison
* (that often includes file upload.)
*
* @author Kohsuke Kawaguchi
*/
public class MultipartFormDataParser {
private final ServletFileUpload upload = new ServletFileUpload(new DiskFileItemFactory());
private final Map<String,FileItem> byName = new HashMap<String,FileItem>();
public MultipartFormDataParser(HttpServletRequest request) throws ServletException {
try {
for( FileItem fi : (List<FileItem>)upload.parseRequest(request) )
byName.put(fi.getFieldName(),fi);
} catch (FileUploadException e) {
throw new ServletException(e);
}
}
public String get(String key) {
FileItem fi = byName.get(key);
if(fi==null) return null;
return fi.getString();
}
public FileItem getFileItem(String key) {
return byName.get(key);
}
/**
* If any file is created on the disk, delete them all.
* Even if this method is not called, the resource will be still cleaned up later by GC.
*/
public void cleanUp() {
for (FileItem item : byName.values())
item.delete();
}
}