Java tutorial
/** * ========================================================================================== * = JAHIA'S DUAL LICENSING - IMPORTANT INFORMATION = * ========================================================================================== * * http://www.jahia.com * * Copyright (C) 2002-2017 Jahia Solutions Group SA. All rights reserved. * * THIS FILE IS AVAILABLE UNDER TWO DIFFERENT LICENSES: * 1/GPL OR 2/JSEL * * 1/ GPL * ================================================================================== * * IF YOU DECIDE TO CHOOSE THE GPL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * * * 2/ JSEL - Commercial and Supported Versions of the program * =================================================================================== * * IF YOU DECIDE TO CHOOSE THE JSEL LICENSE, YOU MUST COMPLY WITH THE FOLLOWING TERMS: * * Alternatively, commercial and supported versions of the program - also known as * Enterprise Distributions - must be used in accordance with the terms and conditions * contained in a separate written agreement between you and Jahia Solutions Group SA. * * If you are unsure which license is appropriate for your use, * please contact the sales department at sales@jahia.com. */ package org.jahia.services.render.webflow; import org.apache.commons.fileupload.FileItem; import org.jahia.tools.files.FileUpload; import org.springframework.util.LinkedMultiValueMap; import org.springframework.util.MultiValueMap; import org.springframework.web.multipart.MultipartException; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.multipart.commons.CommonsMultipartFile; import org.springframework.web.multipart.commons.CommonsMultipartResolver; import javax.servlet.http.HttpServletRequest; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; /** * Custom implementation of the multipart request resolver to add handling of request parameters. */ public class MultipartResolver extends CommonsMultipartResolver { @Override protected MultipartParsingResult parseRequest(HttpServletRequest request) throws MultipartException { FileUpload fileUpload = (FileUpload) request.getAttribute(FileUpload.FILEUPLOAD_ATTRIBUTE); List<FileItem> fileItems = new ArrayList<FileItem>(fileUpload.getFileItems().values()); MultiValueMap<String, MultipartFile> multipartFiles = new LinkedMultiValueMap<String, MultipartFile>(); Map<String, String> multipartParameterContentTypes = new HashMap<String, String>(); for (FileItem fileItem : fileItems) { CommonsMultipartFile file = new CommonsMultipartFile(fileItem); multipartFiles.add(fileItem.getFieldName(), file); } Map<String, String[]> multipartParameters = new HashMap<String, String[]>(); for (String param : fileUpload.getParameterNames()) { if (!request.getQueryString().contains("&" + param + "=") && !request.getQueryString().startsWith(param + "=")) { multipartParameters.put(param, fileUpload.getParameterValues(param)); multipartParameterContentTypes.put(param, fileUpload.getParameterContentType(param)); } } return new MultipartParsingResult(multipartFiles, multipartParameters, multipartParameterContentTypes); } }