Java tutorial
package apiserver.services.pdf.controllers; /******************************************************************************* Copyright (c) 2013 Mike Nimer. This file is part of ApiServer Project. The ApiServer Project 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. The ApiServer Project 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 the ApiServer Project. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ import apiserver.MimeType; import apiserver.core.common.ResponseEntityHelper; import apiserver.core.connectors.coldfusion.services.ObjectJob; import apiserver.services.cache.model.Document; import apiserver.services.pdf.gateways.PdfGateway; import apiserver.services.pdf.gateways.jobs.ExtractImageJob; import apiserver.services.pdf.gateways.jobs.ExtractTextJob; import com.wordnik.swagger.annotations.Api; import com.wordnik.swagger.annotations.ApiOperation; import com.wordnik.swagger.annotations.ApiParam; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.beans.factory.annotation.Value; import org.springframework.http.ResponseEntity; 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.RequestPart; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.multipart.MultipartFile; import java.io.IOException; import java.util.Map; import java.util.concurrent.ExecutionException; import java.util.concurrent.Future; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; /** * User: mnimer * Date: 9/15/12 */ @Controller @RestController @Api(value = "/pdf", description = "[PDF]") @RequestMapping("/pdf") public class ExtractController { @Qualifier("extractPdfTextApiGateway") @Autowired public PdfGateway textGateway; @Qualifier("extractPdfImageApiGateway") @Autowired public PdfGateway imageGateway; private @Value("#{applicationProperties.defaultReplyTimeout}") Integer defaultTimeout; @ApiOperation(value = "TODO") @RequestMapping(value = "/extract/text", method = RequestMethod.POST, produces = "application/pdf") public ResponseEntity<Object> extractTextFromPdf( @ApiParam(name = "file", required = true) @RequestPart("file") MultipartFile file) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { ExtractTextJob job = new ExtractTextJob(); job.setFile(new Document(file)); Future<Map> future = textGateway.extractText(job); ObjectJob payload = (ObjectJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); Object result = payload.getResult(); String contentType = MimeType.pdf.contentType; return ResponseEntityHelper.processObject(result); } @ApiOperation(value = "TODO") @RequestMapping(value = "/extract/image", method = RequestMethod.POST, produces = "application/pdf") public ResponseEntity<Object> extractImageFromPdf( @ApiParam(name = "file", required = true) @RequestPart("file") MultipartFile file) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { ExtractImageJob job = new ExtractImageJob(); job.setFile(new Document(file)); Future<Map> future = imageGateway.extractImage(job); ObjectJob payload = (ObjectJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); Object result = payload.getResult(); String contentType = MimeType.pdf.contentType; return ResponseEntityHelper.processObject(result); } }