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.core.common.ResponseEntityHelper; import apiserver.core.connectors.coldfusion.services.BinaryJob; import apiserver.services.cache.model.Document; import apiserver.services.pdf.gateways.PdfGateway; import apiserver.services.pdf.gateways.jobs.WatermarkPdfJob; 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.RequestParam; 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 WatermarkController { @Qualifier("watermarkPdfGateway") @Autowired public PdfGateway gateway; private @Value("#{applicationProperties.defaultReplyTimeout}") Integer defaultTimeout; /** * Add Watermark * @param file * @param image * @param foreground * @param showOnPrint * @param position * @param opacity * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Add Watermark") @RequestMapping(value = "/modify/watermark", method = RequestMethod.POST, produces = "application/pdf") public ResponseEntity<byte[]> addWatermarkToPdf( @ApiParam(name = "file", required = true) @RequestPart("file") MultipartFile file, @ApiParam(name = "image", required = true) @RequestPart("image") MultipartFile image, @ApiParam(name = "foreground", required = false) @RequestParam(value = "foreground") Boolean foreground, @ApiParam(name = "showOnPrint", required = false) @RequestParam(value = "showOnPrint") Boolean showOnPrint, @ApiParam(name = "position", required = false) @RequestParam(value = "position") String position, @ApiParam(name = "opacity", required = false) @RequestParam(value = "opacity") Double opacity) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { WatermarkPdfJob job = new WatermarkPdfJob(); //file job.setFile(new Document(file)); if (image != null) job.setImage(new Document(image)); if (foreground != null) job.setForeground(foreground); if (showOnPrint != null) job.setShowOnPrint(showOnPrint); if (position != null) job.setPosition(position); if (opacity != null) job.setOpacity(opacity); Future<Map> future = gateway.addWatermarkToPdf(job); BinaryJob payload = (BinaryJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getPdfBytes(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } /** * Add Watermark to cached pdf * @param documentId * @param image * @param foreground * @param showOnPrint * @param position * @param opacity * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Add Watermark to cached pdf") @RequestMapping(value = "/modify/{documentId}/watermark", method = RequestMethod.POST, produces = "application/pdf") public ResponseEntity<byte[]> addWatermarkToCachedPdf( @ApiParam(name = "documentId", required = true) @RequestPart("documentId") String documentId, @ApiParam(name = "image", required = true) @RequestPart("image") MultipartFile image, @ApiParam(name = "foreground", required = false) @RequestParam(value = "foreground") Boolean foreground, @ApiParam(name = "showOnPrint", required = false) @RequestParam(value = "showOnPrint") Boolean showOnPrint, @ApiParam(name = "position", required = false) @RequestParam(value = "position") String position, @ApiParam(name = "opacity", required = false) @RequestParam(value = "opacity") Double opacity) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { WatermarkPdfJob job = new WatermarkPdfJob(); //file job.setDocumentId(documentId); if (image != null) job.setImage(new Document(image)); if (foreground != null) job.setForeground(foreground); if (showOnPrint != null) job.setShowOnPrint(showOnPrint); if (position != null) job.setPosition(position); if (opacity != null) job.setOpacity(new Double(opacity)); Future<Map> future = gateway.addWatermarkToPdf(job); BinaryJob payload = (BinaryJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getPdfBytes(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } /** * Remove watermark * @param file * @param pages * @param password * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Remove Watermark") @RequestMapping(value = "/modify/watermark", method = RequestMethod.DELETE, produces = "application/pdf") public ResponseEntity<byte[]> removeWatermarkFromPdf( @ApiParam(name = "file", required = true) @RequestPart("file") MultipartFile file, @ApiParam(name = "pages", required = false) @RequestPart("pages") String pages, @ApiParam(name = "password", required = false) @RequestParam(value = "password") String password) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { WatermarkPdfJob job = new WatermarkPdfJob(); //file job.setFile(new Document(file)); if (pages != null) job.setPages(pages); if (password != null) job.setPassword(password); Future<Map> future = gateway.removeWatermarkFromPdf(job); BinaryJob payload = (BinaryJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getPdfBytes(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } /** * Remove watermark * @param documentId * @param pages * @param password * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Remove Watermark") @RequestMapping(value = "/modify/{documentId}/watermark", method = RequestMethod.DELETE, produces = "application/pdf") public ResponseEntity<byte[]> removeWatermarkFromCachedPdf( @ApiParam(name = "documentId", required = true) @RequestPart("documentId") String documentId, @ApiParam(name = "pages", required = false) @RequestPart("pages") String pages, @ApiParam(name = "password", required = false) @RequestParam(value = "password") String password) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { WatermarkPdfJob job = new WatermarkPdfJob(); //file job.setDocumentId(documentId); if (pages != null) job.setPages(pages); if (password != null) job.setPassword(password); Future<Map> future = gateway.removeWatermarkFromPdf(job); BinaryJob payload = (BinaryJob) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getPdfBytes(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } }