Java tutorial
/** * Copyright (C) 2015 Agro-Know, Deutsches Forschungszentrum fr Knstliche Intelligenz, iMinds, * Institut fr Angewandte Informatik e. V. an der Universitt Leipzig, * Istituto Superiore Mario Boella, Tilde, Vistatec, WRIPL (http://freme-project.eu) * * 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 eu.freme.broker.eservices; import java.io.IOException; import java.util.logging.Level; import java.util.logging.Logger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.annotation.Profile; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; 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.RestController; import org.springframework.web.multipart.MultipartFile; import com.google.gson.Gson; import eu.freme.eservices.epublishing.EPublishingService; import eu.freme.eservices.epublishing.exception.EPubCreationException; import eu.freme.eservices.epublishing.exception.InvalidZipException; import eu.freme.eservices.epublishing.exception.MissingMetadataException; import eu.freme.eservices.epublishing.webservice.Metadata; /** * * @author Pieter Heyvaert <pheyvaer.heyvaert@ugent.be> */ @RestController @Profile("broker") public class EPublishing { private static final Logger logger = Logger.getLogger(EPublishing.class.getName()); private static final long maxUploadSize = 1024 * 1024 * 200; @Autowired EPublishingService entityAPI; @RequestMapping(value = "/e-publishing/html", method = RequestMethod.POST) public ResponseEntity<byte[]> htmlToEPub(@RequestParam("htmlZip") MultipartFile file, @RequestParam("metadata") String jMetadata) throws InvalidZipException, EPubCreationException, IOException, MissingMetadataException { if (file.getSize() > maxUploadSize) { double size = maxUploadSize / (1024.0 * 1024); return new ResponseEntity<>(new byte[0], HttpStatus.BAD_REQUEST); //throw new BadRequestException(String.format("The uploaded file is too large. The maximum file size for uploads is %.2f MB", size)); } Gson gson = new Gson(); Metadata metadata = gson.fromJson(jMetadata, Metadata.class); HttpHeaders responseHeaders = new HttpHeaders(); responseHeaders.add("Content-Type", "application/epub+zip"); try { return new ResponseEntity<>(entityAPI.createEPUB(metadata, file.getInputStream()), HttpStatus.OK); } catch (InvalidZipException | EPubCreationException | IOException | MissingMetadataException ex) { logger.log(Level.SEVERE, ex.getMessage()); throw ex; } } }