Java tutorial
/* * eGov SmartCity eGovernance suite aims to improve the internal efficiency,transparency, * accountability and the service delivery of the government organizations. * * Copyright (C) 2017 eGovernments Foundation * * The updated version of eGov suite of products as by eGovernments Foundation * is available at http://www.egovernments.org * * This program 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 * any later version. * * This program 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 this program. If not, see http://www.gnu.org/licenses/ or * http://www.gnu.org/licenses/gpl.html . * * In addition to the terms of the GPL license to be adhered to in using this * program, the following additional terms are to be complied with: * * 1) All versions of this program, verbatim or modified must carry this * Legal Notice. * Further, all user interfaces, including but not limited to citizen facing interfaces, * Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any * derived works should carry eGovernments Foundation logo on the top right corner. * * For the logo, please refer http://egovernments.org/html/logo/egov_logo.png. * For any further queries on attribution, including queries on brand guidelines, * please contact contact@egovernments.org * * 2) Any misrepresentation of the origin of the material is prohibited. It * is required that all modified versions of this material be marked in * reasonable ways as different from the original version. * * 3) This license does not grant any rights to any user of the program * with regards to rights under trademark law for use of the trade names * or trademarks of eGovernments Foundation. * * In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org. * */ package org.egov.stms.web.controller.transactions; import org.apache.commons.io.FileUtils; import org.egov.infra.filestore.entity.FileStoreMapper; import org.egov.infra.filestore.service.FileStoreService; import org.egov.infra.reporting.engine.ReportFormat; import org.egov.infra.reporting.engine.ReportOutput; import org.egov.stms.notice.entity.SewerageNotice; import org.egov.stms.notice.service.SewerageNoticeService; import org.egov.stms.transactions.entity.SewerageApplicationDetails; import org.egov.stms.transactions.service.SewerageApplicationDetailsService; import org.egov.stms.utils.constants.SewerageTaxConstants; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.context.MessageSource; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.MediaType; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import javax.servlet.http.HttpServletRequest; import java.io.ByteArrayInputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; @Controller @RequestMapping(value = "/transactions") public class SewerageWorkOrderNoticeController { @Autowired private MessageSource messageSource; @Autowired private SewerageApplicationDetailsService sewerageApplicationDetailsService; @Autowired @Qualifier("fileStoreService") protected FileStoreService fileStoreService; @Autowired private SewerageNoticeService sewerageNoticeService; @RequestMapping(value = "/workordernotice", method = RequestMethod.GET) public @ResponseBody ResponseEntity<byte[]> createWorkOrderReport(final HttpServletRequest request) throws IOException { String errorMessage = ""; final SewerageApplicationDetails sewerageApplicationDetails = sewerageApplicationDetailsService .findByApplicationNumber(request.getParameter("pathVar")); if (!errorMessage.isEmpty()) return redirect(); return generateReport(sewerageApplicationDetails); } private ResponseEntity<byte[]> generateReport(final SewerageApplicationDetails sewerageApplicationDetails) throws IOException { final HttpHeaders headers = new HttpHeaders(); ReportOutput reportOutput = new ReportOutput(); InputStream generateNoticePDF; SewerageNotice sewerageNotice = sewerageNoticeService.findByNoticeNoAndNoticeType( sewerageApplicationDetails.getWorkOrderNumber(), SewerageTaxConstants.NOTICE_TYPE_WORK_ORDER_NOTICE); if (sewerageNotice != null && sewerageNotice.getFileStore() != null) { final FileStoreMapper fmp = sewerageNotice.getFileStore(); final File file = fileStoreService.fetch(fmp, SewerageTaxConstants.FILESTORE_MODULECODE); reportOutput.setReportOutputData(FileUtils.readFileToByteArray(file)); reportOutput.setReportFormat(ReportFormat.PDF); } else { reportOutput = sewerageNoticeService.generateReportOutputForWorkOrder(sewerageApplicationDetails); if (reportOutput != null && reportOutput.getReportOutputData() != null) { generateNoticePDF = new ByteArrayInputStream(reportOutput.getReportOutputData()); sewerageNotice = sewerageNoticeService.saveWorkOrderNotice(sewerageApplicationDetails, generateNoticePDF); if (sewerageNotice != null) { sewerageApplicationDetails.addNotice(sewerageNotice); sewerageApplicationDetailsService.save(sewerageApplicationDetails); } } } headers.setContentType(MediaType.parseMediaType("application/pdf")); headers.add("content-disposition", "inline;filename=WorkOrderNotice.pdf"); return new ResponseEntity<byte[]>(reportOutput.getReportOutputData(), headers, HttpStatus.CREATED); } private String validateWorkOrder(final SewerageApplicationDetails sewerageApplicationDetails, final Boolean isView) { String errorMessage = null; if (sewerageApplicationDetails != null) { if (sewerageApplicationDetails.getConnection().getLegacy()) errorMessage = messageSource.getMessage("err.validate.workorder.for.legacy", new String[] { "" }, null); else if (isView && null == sewerageApplicationDetails.getWorkOrderNumber()) return buildErrorMessage(sewerageApplicationDetails); else if (!isView && !sewerageApplicationDetails.getStatus().getCode() .equalsIgnoreCase(SewerageTaxConstants.APPLICATION_STATUS_WOGENERATED)) return buildErrorMessage(sewerageApplicationDetails); } return errorMessage; } private String buildErrorMessage(final SewerageApplicationDetails sewerageApplicationDetails) { String errorMessage; errorMessage = messageSource.getMessage("err.validate.workorder.view", new String[] { sewerageApplicationDetails.getApplicationNumber() }, null); return errorMessage; } @RequestMapping(value = "/workorder/view/{applicationNumber}", method = RequestMethod.GET) public @ResponseBody ResponseEntity<byte[]> viewReport(@PathVariable final String applicationNumber) throws IOException { String errorMessage; final SewerageApplicationDetails sewerageApplicationDetails = sewerageApplicationDetailsService .findByApplicationNumber(applicationNumber); errorMessage = validateWorkOrder(sewerageApplicationDetails, true); if (errorMessage != null && !errorMessage.isEmpty()) return redirect(); return generateReport(sewerageApplicationDetails); } private ResponseEntity<byte[]> redirect() { String errorMessage = ""; errorMessage = "<html><body><p style='color:red;border:1px solid gray;padding:15px;'>" + errorMessage + "</p></body></html>"; final byte[] byteData = errorMessage.getBytes(); errorMessage = ""; return new ResponseEntity<byte[]>(byteData, HttpStatus.CREATED); } }