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.BinaryResult; import apiserver.exceptions.MessageConfigException; import apiserver.services.cache.model.Document; import apiserver.services.pdf.gateways.PdfGateway; import apiserver.services.pdf.gateways.jobs.SecurePdfResult; 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 javax.servlet.http.HttpServletRequest; 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 ProtectController { @Qualifier("protectPdfApiGateway") @Autowired public PdfGateway gateway; private @Value("#{applicationProperties.defaultReplyTimeout}") Integer defaultTimeout; /** * Secure a pdf * @param file * @param password Owner or user password of the source PDF document, if the document is password-protected. * @param newUserPassword Password used to open PDF document. * @param newOwnerPassword Password used to set permissions on a PDF document * @param encrypt RC4_40|RC4_128|RC4_128M|AES_128|none * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Secure a pdf with a password") @RequestMapping(value = "/protect", method = RequestMethod.POST, produces = "application/pdf") public ResponseEntity<byte[]> protectPdf(HttpServletRequest request, @ApiParam(name = "file", required = true) @RequestParam(value = "file", required = true) MultipartFile file, @ApiParam(name = "encrypt", required = false, allowableValues = "RC4_40,RC4_128,RC4_128M,AES_128,none", value = "Encryption type for the PDF output file:", defaultValue = "RC4_128") @RequestParam(value = "encrypt", required = false) String encrypt, @ApiParam(name = "password", required = false, value = "Owner or user password of the source PDF document, if the document is password-protected.") @RequestParam(value = "password", required = false) String password, @ApiParam(name = "newUserPassword", required = true, value = "Password used to open PDF document.") @RequestParam(value = "newUserPassword", required = false) String newUserPassword, @ApiParam(name = "newOwnerPassword", required = true, value = "Password used to set permissions on a PDF document.") @RequestParam(value = "newOwnerPassword", required = false) String newOwnerPassword, @ApiParam(name = "allowAssembly", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowAssembly", required = false) Boolean allowAssembly, @ApiParam(name = "allowCopy", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowCopy", required = false) Boolean allowCopy, @ApiParam(name = "allowDegradedPrinting", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowDegradedPrinting", required = false) Boolean allowDegradedPrinting, @ApiParam(name = "allowFillIn", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowFillIn", required = false) Boolean allowFillIn, @ApiParam(name = "allowModifyAnnotations", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowModifyAnnotations", required = false) Boolean allowModifyAnnotations, @ApiParam(name = "allowPrinting", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowPrinting", required = false) Boolean allowPrinting, @ApiParam(name = "allowScreenReaders", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowScreenReaders", required = false) Boolean allowScreenReaders, @ApiParam(name = "allowSecure", required = false, value = "permissions on the PDF document") @RequestParam(value = "allowSecure", required = false) Boolean allowSecure) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { if (newUserPassword == null && newOwnerPassword == null) { throw new MessageConfigException("Missing newUserPassword or newOwnerPassword"); } SecurePdfResult job = new SecurePdfResult(); //file job.setFile(new Document(file)); if (password != null) job.setPassword(password); if (newUserPassword != null) job.setNewUserPassword(newUserPassword); if (newOwnerPassword != null) job.setNewOwnerPassword(newOwnerPassword); if (encrypt != null) job.setEncrypt(encrypt); // permission if (allowAssembly != null) job.setAllowAssembly(allowAssembly); if (allowCopy != null) job.setAllowCopy(allowCopy); if (allowDegradedPrinting != null) job.setAllowDegradedPrinting(allowDegradedPrinting); if (allowFillIn != null) job.setAllowFillIn(allowFillIn); if (allowModifyAnnotations != null) job.setAllowModifyAnnotations(allowModifyAnnotations); if (allowPrinting != null) job.setAllowPrinting(allowPrinting); if (allowScreenReaders != null) job.setAllowScreenReaders(allowScreenReaders); if (allowSecure != null) job.setAllowSecure(allowSecure); Future<Map> future = gateway.protectPdf(job); BinaryResult payload = (BinaryResult) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getResult(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } /** * Secure a cached pdf with a password * @param documentId * @return * @throws InterruptedException * @throws java.util.concurrent.ExecutionException * @throws java.util.concurrent.TimeoutException * @throws java.io.IOException * @throws Exception */ @ApiOperation(value = "Secure a cached pdf with a password") @RequestMapping(value = "/{documentId}/protect", method = RequestMethod.GET, produces = "application/pdf") public ResponseEntity<byte[]> protectPdf( @ApiParam(name = "documentId", required = true) @RequestPart("documentId") String documentId, @ApiParam(name = "password", required = false, value = "Owner or user password of the source PDF document, if the document is password-protected.") @RequestPart("password") String password, @ApiParam(name = "newUserPassword", required = true, value = "Password used to open PDF document.") @RequestPart("newUserPassword") String newUserPassword, @ApiParam(name = "newOwnerPassword", required = true, value = "Password used to set permissions on a PDF document.") @RequestPart("newOwnerPassword") String newOwnerPassword, @ApiParam(name = "encrypt", required = false, allowableValues = "RC4_40,RC4_128,RC4_128M,AES_128,none", value = "Encryption type for the PDF output file:") @RequestPart("encrypt") String encrypt, @ApiParam(name = "allowAssembly", required = false, value = "permissions on the PDF document") @RequestPart("allowAssembly") Boolean allowAssembly, @ApiParam(name = "allowCopy", required = false, value = "permissions on the PDF document") @RequestPart("allowCopy") Boolean allowCopy, @ApiParam(name = "allowDegradedPrinting", required = false, value = "permissions on the PDF document") @RequestPart("allowDegradedPrinting") Boolean allowDegradedPrinting, @ApiParam(name = "allowFillIn", required = false, value = "permissions on the PDF document") @RequestPart("allowFillIn") Boolean allowFillIn, @ApiParam(name = "allowModifyAnnotations", required = false, value = "permissions on the PDF document") @RequestPart("allowModifyAnnotations") Boolean allowModifyAnnotations, @ApiParam(name = "allowPrinting", required = false, value = "permissions on the PDF document") @RequestPart("allowPrinting") Boolean allowPrinting, @ApiParam(name = "allowScreenReaders", required = false, value = "permissions on the PDF document") @RequestPart("allowScreenReaders") Boolean allowScreenReaders, @ApiParam(name = "allowSecure", required = false, value = "permissions on the PDF document") @RequestPart("allowSecure") Boolean allowSecure) throws InterruptedException, ExecutionException, TimeoutException, IOException, Exception { SecurePdfResult job = new SecurePdfResult(); //file job.setDocumentId(documentId); if (password != null) job.setPassword(password); if (newUserPassword != null) job.setNewUserPassword(newUserPassword); if (newOwnerPassword != null) job.setNewOwnerPassword(newOwnerPassword); if (encrypt != null) job.setEncrypt(encrypt); // permission if (allowAssembly != null) job.setAllowAssembly(allowAssembly); if (allowCopy != null) job.setAllowCopy(allowCopy); if (allowDegradedPrinting != null) job.setAllowDegradedPrinting(allowDegradedPrinting); if (allowFillIn != null) job.setAllowFillIn(allowFillIn); if (allowModifyAnnotations != null) job.setAllowModifyAnnotations(allowModifyAnnotations); if (allowPrinting != null) job.setAllowPrinting(allowPrinting); if (allowScreenReaders != null) job.setAllowScreenReaders(allowScreenReaders); if (allowSecure != null) job.setAllowSecure(allowSecure); Future<Map> future = gateway.protectPdf(job); BinaryResult payload = (BinaryResult) future.get(defaultTimeout, TimeUnit.MILLISECONDS); byte[] fileBytes = payload.getResult(); String contentType = "application/pdf"; ResponseEntity<byte[]> result = ResponseEntityHelper.processFile(fileBytes, contentType, false); return result; } }