Java tutorial
/* Copyright (c) 2015 32skills Inc. * * 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 com.pubkit.web.controller; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import com.pubkit.web.response.UploadResponse; /** * Created by puran */ @Controller public class FileUploadController extends BaseController { private static final Logger LOG = LoggerFactory.getLogger(FileUploadController.class); private static final String TYPE_CERT = "cert"; @RequestMapping(value = "/upload_cert", method = RequestMethod.GET) public @ResponseBody String provideUploadInfo() { return "You can upload a file by posting to this same URL."; } @RequestMapping(value = "/upload_cert", method = RequestMethod.POST) public @ResponseBody UploadResponse handleFileUpload(@RequestParam("applicationId") String applicationId, @RequestParam("fileType") String fileType, @RequestParam("file") MultipartFile multipartFile) { LOG.debug("Upload request received for file size:" + multipartFile.getSize()); validateAccessToken(); if (multipartFile != null && !multipartFile.isEmpty()) { String fileName = multipartFile.getOriginalFilename(); try { if (TYPE_CERT.equalsIgnoreCase(fileType)) { if (!".p12".endsWith(multipartFile.getOriginalFilename()) || !".cert".endsWith(multipartFile.getOriginalFilename())) { LOG.debug("Invalid file upload type received"); return new UploadResponse("Invalid file type"); } } byte[] fileData = multipartFile.getBytes(); String uploadId = applicationService.saveFile(fileData, fileName, multipartFile.getContentType()); if (uploadId != null) { return new UploadResponse(uploadId, false, null); } return new UploadResponse("Failed to upload " + fileName); } catch (Exception e) { LOG.error("Error uploading file", e); return new UploadResponse("Failed to upload " + fileName); } } else { LOG.error("Error uploading file"); return new UploadResponse("Failed to upload"); } } }