1. Made changes so that for people who have 0 known publications sparkline vis is not generated at all for their profile page.
This commit is contained in:
cdtank
parent
68533c7bd3
commit
6a5194d677
2 changed files with 343 additions and 337 deletions
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@ -1,335 +1,338 @@
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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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package edu.cornell.mannlib.vitro.webapp.visualization.personpubcount;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.Map.Entry;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.logging.Log;
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import org.skife.csv.CSVWriter;
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import org.skife.csv.SimpleWriter;
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import com.hp.hpl.jena.query.DataSource;
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import com.itextpdf.text.Document;
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import com.itextpdf.text.DocumentException;
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import com.itextpdf.text.pdf.PdfWriter;
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import edu.cornell.mannlib.vitro.webapp.beans.Portal;
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import edu.cornell.mannlib.vitro.webapp.controller.Controllers;
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import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
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import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
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import edu.cornell.mannlib.vitro.webapp.visualization.PDFDocument;
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import edu.cornell.mannlib.vitro.webapp.visualization.constants.VOConstants;
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import edu.cornell.mannlib.vitro.webapp.visualization.constants.VisConstants;
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import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.BiboDocument;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.Individual;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.SparklineVOContainer;
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import edu.cornell.mannlib.vitro.webapp.visualization.visutils.UtilityFunctions;
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public class VisualizationRequestHandler {
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private VitroRequest vitroRequest;
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private HttpServletRequest request;
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private HttpServletResponse response;
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private Log log;
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public VisualizationRequestHandler(VitroRequest vitroRequest,
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HttpServletRequest request, HttpServletResponse response, Log log) {
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this.vitroRequest = vitroRequest;
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this.request = request;
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this.response = response;
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this.log = log;
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}
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public void generateVisualization(DataSource dataSource) {
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String resultFormatParam = "RS_TEXT";
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String rdfResultFormatParam = "RDF/XML-ABBREV";
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String individualURIParam = vitroRequest.getParameter(VisualizationFrameworkConstants.INDIVIDUAL_URI_URL_HANDLE);
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String renderMode = vitroRequest.getParameter(VisualizationFrameworkConstants.RENDER_MODE_URL_HANDLE);
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String visMode = vitroRequest.getParameter(VisualizationFrameworkConstants.VIS_MODE_URL_HANDLE);
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String visContainer = vitroRequest.getParameter(VisualizationFrameworkConstants.VIS_CONTAINER_URL_HANDLE);
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QueryHandler queryManager =
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new QueryHandler(individualURIParam,
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resultFormatParam,
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rdfResultFormatParam,
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dataSource,
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log);
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try {
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List<BiboDocument> authorDocuments = queryManager.getVisualizationJavaValueObjects();
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/*
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* Create a map from the year to number of publications. Use the BiboDocument's
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* parsedPublicationYear to populate the data.
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* */
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Map<String, Integer> yearToPublicationCount =
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queryManager.getYearToPublicationCount(authorDocuments);
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/*
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* In order to avoid unneeded computations we have pushed this "if" condition up.
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* This case arises when the render mode is data. In that case we dont want to generate
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* HTML code to render sparkline, tables etc. Ideally I would want to avoid this flow.
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* It is ugly!
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* */
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if (VisualizationFrameworkConstants.DATA_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
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prepareVisualizationQueryDataResponse(queryManager.getAuthor(),
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authorDocuments,
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yearToPublicationCount);
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return;
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}
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if (VisualizationFrameworkConstants.PDF_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
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prepareVisualizationQueryPDFResponse(queryManager.getAuthor(),
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authorDocuments,
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yearToPublicationCount);
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return;
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}
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/*
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* Computations required to generate HTML for the sparklines & related context.
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* */
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SparklineVOContainer valueObjectContainer = new SparklineVOContainer();
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VisualizationCodeGenerator visualizationCodeGenerator =
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new VisualizationCodeGenerator(vitroRequest.getContextPath(),
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individualURIParam,
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visMode,
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visContainer,
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authorDocuments,
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yearToPublicationCount,
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valueObjectContainer,
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log);
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/*
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* This is side-effecting because the response of this method is just to redirect to
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* a page with visualization on it.
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* */
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RequestDispatcher requestDispatcher = null;
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if (VisualizationFrameworkConstants.DYNAMIC_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
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prepareVisualizationQueryDynamicResponse(request, response, vitroRequest,
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valueObjectContainer);
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requestDispatcher = request.getRequestDispatcher("/templates/page/blankPage.jsp");
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} else {
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prepareVisualizationQueryStandaloneResponse(request, response, vitroRequest,
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valueObjectContainer);
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requestDispatcher = request.getRequestDispatcher(Controllers.BASIC_JSP);
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}
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try {
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requestDispatcher.forward(request, response);
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} catch (Exception e) {
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log.error("EntityEditController could not forward to view.");
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log.error(e.getMessage());
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log.error(e.getStackTrace());
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}
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} catch (MalformedQueryParametersException e) {
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try {
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handleMalformedParameters(e.getMessage());
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} catch (ServletException e1) {
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log.error(e1.getStackTrace());
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} catch (IOException e1) {
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log.error(e1.getStackTrace());
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}
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return;
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}
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}
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private void prepareVisualizationQueryPDFResponse(Individual author, List<BiboDocument> authorDocuments,
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Map<String, Integer> yearToPublicationCount) {
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String authorName = null;
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/*
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* To protect against cases where there are no author documents associated with the
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* individual.
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* */
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if (authorDocuments.size() > 0) {
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authorName = author.getIndividualLabel();
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}
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/*
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* To make sure that null/empty records for author names do not cause any mischief.
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* */
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if (authorName == null) {
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authorName = "";
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}
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String outputFileName = UtilityFunctions.slugify(authorName) + "report" + ".pdf";
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response.setContentType("application/pdf");
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response.setHeader("Content-Disposition", "attachment;filename=" + outputFileName);
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ServletOutputStream responseOutputStream;
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try {
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responseOutputStream = response.getOutputStream();
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Document document = new Document();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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PdfWriter pdfWriter = PdfWriter.getInstance(document, baos);
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document.open();
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PDFDocument pdfDocument = new PDFDocument(authorName, yearToPublicationCount, document, pdfWriter);
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document.close();
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// setting some response headers & content type
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response.setHeader("Expires", "0");
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response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
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response.setHeader("Pragma", "public");
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response.setContentLength(baos.size());
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// write ByteArrayOutputStream to the ServletOutputStream
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baos.writeTo(responseOutputStream);
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responseOutputStream.flush();
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responseOutputStream.close();
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} catch (IOException e) {
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e.printStackTrace();
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} catch (DocumentException e) {
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e.printStackTrace();
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}
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}
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private void prepareVisualizationQueryDataResponse(Individual author, List<BiboDocument> authorDocuments,
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Map<String, Integer> yearToPublicationCount) {
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String authorName = null;
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/*
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* To protect against cases where there are no author documents associated with the
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* individual.
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* */
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if (authorDocuments.size() > 0) {
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authorName = author.getIndividualLabel();
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}
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/*
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* To make sure that null/empty records for author names do not cause any mischief.
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* */
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if (authorName == null) {
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authorName = "";
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}
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String outputFileName = UtilityFunctions.slugify(authorName) + "pub-count-sparkline" + ".csv";
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response.setContentType("application/octet-stream");
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response.setHeader("Content-Disposition","attachment;filename=" + outputFileName);
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try {
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PrintWriter responseWriter = response.getWriter();
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/*
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* We are side-effecting responseWriter since we are directly manipulating the response
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* object of the servlet.
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* */
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generateCsvFileBuffer(yearToPublicationCount,
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responseWriter);
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responseWriter.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private void generateCsvFileBuffer(Map<String, Integer> yearToPublicationCount,
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PrintWriter responseWriter) {
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CSVWriter csvWriter = new SimpleWriter(responseWriter);
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try {
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csvWriter.append(new String[]{"Year", "Publications"});
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for (Entry<String, Integer> currentEntry : yearToPublicationCount.entrySet()) {
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csvWriter.append(new Object[]{currentEntry.getKey(), currentEntry.getValue()});
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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responseWriter.flush();
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}
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private void prepareVisualizationQueryStandaloneResponse(HttpServletRequest request,
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HttpServletResponse response, VitroRequest vreq,
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SparklineVOContainer valueObjectContainer) {
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Portal portal = vreq.getPortal();
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request.setAttribute("sparklineVO", valueObjectContainer);
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request.setAttribute("bodyJsp", "/templates/visualization/publication_count.jsp");
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request.setAttribute("portalBean", portal);
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request.setAttribute("title", "Individual Publication Count visualization");
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request.setAttribute("scripts", "/templates/visualization/visualization_scripts.jsp");
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}
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private void prepareVisualizationQueryDynamicResponse(HttpServletRequest request,
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HttpServletResponse response, VitroRequest vreq, SparklineVOContainer valueObjectContainer) {
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Portal portal = vreq.getPortal();
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request.setAttribute("sparklineVO", valueObjectContainer);
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request.setAttribute("portalBean", portal);
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request.setAttribute("bodyJsp", "/templates/visualization/ajax_vis_content.jsp");
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}
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private void handleMalformedParameters(String errorMessage)
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throws ServletException, IOException {
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Portal portal = vitroRequest.getPortal();
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request.setAttribute("error", errorMessage);
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RequestDispatcher requestDispatcher = request.getRequestDispatcher(Controllers.BASIC_JSP);
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request.setAttribute("bodyJsp", "/templates/visualization/visualization_error.jsp");
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request.setAttribute("portalBean", portal);
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request.setAttribute("title", "Visualization Query Error - Individual Publication Count");
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try {
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requestDispatcher.forward(request, response);
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} catch (Exception e) {
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log.error("EntityEditController could not forward to view.");
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log.error(e.getMessage());
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log.error(e.getStackTrace());
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}
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}
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}
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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
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package edu.cornell.mannlib.vitro.webapp.visualization.personpubcount;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.logging.Log;
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import org.skife.csv.CSVWriter;
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import org.skife.csv.SimpleWriter;
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import com.hp.hpl.jena.query.DataSource;
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import com.itextpdf.text.Document;
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import com.itextpdf.text.DocumentException;
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import com.itextpdf.text.pdf.PdfWriter;
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import edu.cornell.mannlib.vitro.webapp.beans.Portal;
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import edu.cornell.mannlib.vitro.webapp.controller.Controllers;
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import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
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import edu.cornell.mannlib.vitro.webapp.controller.visualization.VisualizationFrameworkConstants;
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import edu.cornell.mannlib.vitro.webapp.visualization.PDFDocument;
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import edu.cornell.mannlib.vitro.webapp.visualization.exceptions.MalformedQueryParametersException;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.BiboDocument;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.Individual;
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import edu.cornell.mannlib.vitro.webapp.visualization.valueobjects.SparklineVOContainer;
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import edu.cornell.mannlib.vitro.webapp.visualization.visutils.UtilityFunctions;
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public class VisualizationRequestHandler {
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private VitroRequest vitroRequest;
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private HttpServletRequest request;
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private HttpServletResponse response;
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private Log log;
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public VisualizationRequestHandler(VitroRequest vitroRequest,
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HttpServletRequest request, HttpServletResponse response, Log log) {
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this.vitroRequest = vitroRequest;
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this.request = request;
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this.response = response;
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this.log = log;
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}
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public void generateVisualization(DataSource dataSource) {
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String resultFormatParam = "RS_TEXT";
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String rdfResultFormatParam = "RDF/XML-ABBREV";
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String individualURIParam = vitroRequest.getParameter(VisualizationFrameworkConstants.INDIVIDUAL_URI_URL_HANDLE);
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String renderMode = vitroRequest.getParameter(VisualizationFrameworkConstants.RENDER_MODE_URL_HANDLE);
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String visMode = vitroRequest.getParameter(VisualizationFrameworkConstants.VIS_MODE_URL_HANDLE);
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String visContainer = vitroRequest.getParameter(VisualizationFrameworkConstants.VIS_CONTAINER_URL_HANDLE);
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QueryHandler queryManager =
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new QueryHandler(individualURIParam,
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resultFormatParam,
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rdfResultFormatParam,
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dataSource,
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log);
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try {
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List<BiboDocument> authorDocuments = queryManager.getVisualizationJavaValueObjects();
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/*
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* Create a map from the year to number of publications. Use the BiboDocument's
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* parsedPublicationYear to populate the data.
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* */
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Map<String, Integer> yearToPublicationCount =
|
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queryManager.getYearToPublicationCount(authorDocuments);
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|
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/*
|
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* In order to avoid unneeded computations we have pushed this "if" condition up.
|
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* This case arises when the render mode is data. In that case we dont want to generate
|
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* HTML code to render sparkline, tables etc. Ideally I would want to avoid this flow.
|
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* It is ugly!
|
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* */
|
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if (VisualizationFrameworkConstants.DATA_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
|
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prepareVisualizationQueryDataResponse(queryManager.getAuthor(),
|
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authorDocuments,
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yearToPublicationCount);
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return;
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}
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if (VisualizationFrameworkConstants.PDF_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
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prepareVisualizationQueryPDFResponse(queryManager.getAuthor(),
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authorDocuments,
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yearToPublicationCount);
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return;
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}
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|
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/*
|
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* Computations required to generate HTML for the sparklines & related context.
|
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* */
|
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|
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SparklineVOContainer valueObjectContainer = new SparklineVOContainer();
|
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|
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VisualizationCodeGenerator visualizationCodeGenerator =
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new VisualizationCodeGenerator(vitroRequest.getContextPath(),
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individualURIParam,
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visMode,
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visContainer,
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authorDocuments,
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yearToPublicationCount,
|
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valueObjectContainer,
|
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log);
|
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|
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|
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/*
|
||||
* This is side-effecting because the response of this method is just to redirect to
|
||||
* a page with visualization on it.
|
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* */
|
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RequestDispatcher requestDispatcher = null;
|
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|
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if (VisualizationFrameworkConstants.DYNAMIC_RENDER_MODE_URL_VALUE.equalsIgnoreCase(renderMode)) {
|
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|
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prepareVisualizationQueryDynamicResponse(request, response, vitroRequest,
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valueObjectContainer, yearToPublicationCount);
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requestDispatcher = request.getRequestDispatcher("/templates/page/blankPage.jsp");
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} else {
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prepareVisualizationQueryStandaloneResponse(request, response, vitroRequest,
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valueObjectContainer);
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|
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requestDispatcher = request.getRequestDispatcher(Controllers.BASIC_JSP);
|
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}
|
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|
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try {
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requestDispatcher.forward(request, response);
|
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} catch (Exception e) {
|
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log.error("EntityEditController could not forward to view.");
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log.error(e.getMessage());
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log.error(e.getStackTrace());
|
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}
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|
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} catch (MalformedQueryParametersException e) {
|
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try {
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handleMalformedParameters(e.getMessage());
|
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} catch (ServletException e1) {
|
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log.error(e1.getStackTrace());
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} catch (IOException e1) {
|
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log.error(e1.getStackTrace());
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}
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return;
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}
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}
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private void prepareVisualizationQueryPDFResponse(Individual author, List<BiboDocument> authorDocuments,
|
||||
Map<String, Integer> yearToPublicationCount) {
|
||||
|
||||
String authorName = null;
|
||||
|
||||
/*
|
||||
* To protect against cases where there are no author documents associated with the
|
||||
* individual.
|
||||
* */
|
||||
if (authorDocuments.size() > 0) {
|
||||
authorName = author.getIndividualLabel();
|
||||
}
|
||||
|
||||
/*
|
||||
* To make sure that null/empty records for author names do not cause any mischief.
|
||||
* */
|
||||
if (authorName == null) {
|
||||
authorName = "";
|
||||
}
|
||||
|
||||
String outputFileName = UtilityFunctions.slugify(authorName) + "report" + ".pdf";
|
||||
|
||||
response.setContentType("application/pdf");
|
||||
response.setHeader("Content-Disposition", "attachment;filename=" + outputFileName);
|
||||
|
||||
ServletOutputStream responseOutputStream;
|
||||
try {
|
||||
responseOutputStream = response.getOutputStream();
|
||||
|
||||
|
||||
Document document = new Document();
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
PdfWriter pdfWriter = PdfWriter.getInstance(document, baos);
|
||||
document.open();
|
||||
|
||||
PDFDocument pdfDocument = new PDFDocument(authorName, yearToPublicationCount, document, pdfWriter);
|
||||
|
||||
document.close();
|
||||
|
||||
// setting some response headers & content type
|
||||
response.setHeader("Expires", "0");
|
||||
response.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
|
||||
response.setHeader("Pragma", "public");
|
||||
response.setContentLength(baos.size());
|
||||
// write ByteArrayOutputStream to the ServletOutputStream
|
||||
baos.writeTo(responseOutputStream);
|
||||
responseOutputStream.flush();
|
||||
responseOutputStream.close();
|
||||
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
} catch (DocumentException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
private void prepareVisualizationQueryDataResponse(Individual author, List<BiboDocument> authorDocuments,
|
||||
Map<String, Integer> yearToPublicationCount) {
|
||||
|
||||
String authorName = null;
|
||||
|
||||
/*
|
||||
* To protect against cases where there are no author documents associated with the
|
||||
* individual.
|
||||
* */
|
||||
if (authorDocuments.size() > 0) {
|
||||
authorName = author.getIndividualLabel();
|
||||
}
|
||||
|
||||
/*
|
||||
* To make sure that null/empty records for author names do not cause any mischief.
|
||||
* */
|
||||
if (authorName == null) {
|
||||
authorName = "";
|
||||
}
|
||||
|
||||
String outputFileName = UtilityFunctions.slugify(authorName) + "pub-count-sparkline" + ".csv";
|
||||
|
||||
response.setContentType("application/octet-stream");
|
||||
response.setHeader("Content-Disposition","attachment;filename=" + outputFileName);
|
||||
|
||||
try {
|
||||
|
||||
PrintWriter responseWriter = response.getWriter();
|
||||
|
||||
/*
|
||||
* We are side-effecting responseWriter since we are directly manipulating the response
|
||||
* object of the servlet.
|
||||
* */
|
||||
generateCsvFileBuffer(yearToPublicationCount,
|
||||
responseWriter);
|
||||
|
||||
responseWriter.close();
|
||||
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
private void generateCsvFileBuffer(Map<String, Integer> yearToPublicationCount,
|
||||
PrintWriter responseWriter) {
|
||||
|
||||
CSVWriter csvWriter = new SimpleWriter(responseWriter);
|
||||
|
||||
try {
|
||||
csvWriter.append(new String[]{"Year", "Publications"});
|
||||
for (Entry<String, Integer> currentEntry : yearToPublicationCount.entrySet()) {
|
||||
csvWriter.append(new Object[]{currentEntry.getKey(), currentEntry.getValue()});
|
||||
}
|
||||
|
||||
} catch (IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
|
||||
responseWriter.flush();
|
||||
|
||||
}
|
||||
|
||||
private void prepareVisualizationQueryStandaloneResponse(HttpServletRequest request,
|
||||
HttpServletResponse response, VitroRequest vreq,
|
||||
SparklineVOContainer valueObjectContainer) {
|
||||
|
||||
Portal portal = vreq.getPortal();
|
||||
|
||||
request.setAttribute("sparklineVO", valueObjectContainer);
|
||||
|
||||
request.setAttribute("bodyJsp", "/templates/visualization/publication_count.jsp");
|
||||
request.setAttribute("portalBean", portal);
|
||||
request.setAttribute("title", "Individual Publication Count visualization");
|
||||
request.setAttribute("scripts", "/templates/visualization/visualization_scripts.jsp");
|
||||
|
||||
}
|
||||
|
||||
private void prepareVisualizationQueryDynamicResponse(HttpServletRequest request,
|
||||
HttpServletResponse response, VitroRequest vreq, SparklineVOContainer valueObjectContainer,
|
||||
Map<String, Integer> yearToPublicationCount) {
|
||||
|
||||
Portal portal = vreq.getPortal();
|
||||
|
||||
request.setAttribute("sparklineVO", valueObjectContainer);
|
||||
|
||||
if (yearToPublicationCount.size() > 0) {
|
||||
request.setAttribute("shouldVIVOrenderVis", true);
|
||||
} else {
|
||||
request.setAttribute("shouldVIVOrenderVis", false);
|
||||
}
|
||||
|
||||
request.setAttribute("portalBean", portal);
|
||||
request.setAttribute("bodyJsp", "/templates/visualization/ajax_vis_content.jsp");
|
||||
|
||||
}
|
||||
|
||||
private void handleMalformedParameters(String errorMessage)
|
||||
throws ServletException, IOException {
|
||||
|
||||
Portal portal = vitroRequest.getPortal();
|
||||
|
||||
request.setAttribute("error", errorMessage);
|
||||
|
||||
RequestDispatcher requestDispatcher = request.getRequestDispatcher(Controllers.BASIC_JSP);
|
||||
request.setAttribute("bodyJsp", "/templates/visualization/visualization_error.jsp");
|
||||
request.setAttribute("portalBean", portal);
|
||||
request.setAttribute("title", "Visualization Query Error - Individual Publication Count");
|
||||
|
||||
try {
|
||||
requestDispatcher.forward(request, response);
|
||||
} catch (Exception e) {
|
||||
log.error("EntityEditController could not forward to view.");
|
||||
log.error(e.getMessage());
|
||||
log.error(e.getStackTrace());
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue