File OpenPdfRenderer.java
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Classes
| Class | Line # | Actions | |||||
|---|---|---|---|---|---|---|---|
| OpenPdfRenderer | 26 | 36 | 0% | 14 | 0 |
Contributing tests
This file is covered by 9 tests.
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Source view
| 1 | package org.europa.together.application; | |
| 2 | ||
| 3 | import com.lowagie.text.pdf.PdfStamper; | |
| 4 | import java.io.File; | |
| 5 | import java.io.FileNotFoundException; | |
| 6 | import java.io.FileOutputStream; | |
| 7 | import java.io.IOException; | |
| 8 | import java.io.OutputStream; | |
| 9 | import java.util.ArrayList; | |
| 10 | import java.util.List; | |
| 11 | import org.europa.together.application.internal.PdfDocument; | |
| 12 | import org.europa.together.application.internal.PdfReplacedElementFactory; | |
| 13 | import org.europa.together.business.Logger; | |
| 14 | import org.europa.together.business.PdfRenderer; | |
| 15 | import org.europa.together.domain.LogLevel; | |
| 16 | import org.springframework.stereotype.Repository; | |
| 17 | import org.xhtmlrenderer.layout.SharedContext; | |
| 18 | import org.xhtmlrenderer.pdf.ITextRenderer; | |
| 19 | ||
| 20 | /** | |
| 21 | * Implementation of a simple PDF Renderer. | |
| 22 | * <br> | |
| 23 | * https://knpcode.com/java-programs/generating-pdf-java-using-openpdf-tutorial/#HelloWorldOpenPDF | |
| 24 | */ | |
| 25 | @Repository | |
| 26 | public class OpenPdfRenderer implements PdfRenderer { | |
| 27 | ||
| 28 | private static final long serialVersionUID = 11L; | |
| 29 | private static final Logger LOGGER = new LogbackLogger(OpenPdfRenderer.class); | |
| 30 | ||
| 31 | private String title = ""; | |
| 32 | private String subject = ""; | |
| 33 | private String author = ""; | |
| 34 | private String keywords = ""; | |
| 35 | ||
| 36 | 6 |  @Override |
| 37 | public PdfDocument loadDocument(final File pdfDocument) | |
| 38 | throws IOException { | |
| 39 | 6 | return new PdfDocument(pdfDocument.getAbsolutePath()); |
| 40 | } | |
| 41 | ||
| 42 | 2 | @Override |
| 43 | public void writeDocument(final PdfDocument pdf, final String destination) | |
| 44 | throws IOException, FileNotFoundException { | |
| 45 | 2 | PdfStamper pdfStamper = new PdfStamper(pdf, new FileOutputStream(destination)); |
| 46 | 2 | pdfStamper.close(); |
| 47 | } | |
| 48 | ||
| 49 | 1 | @Override |
| 50 | public PdfDocument removePage(final PdfDocument pdf, final int... pages) | |
| 51 | throws IOException { | |
| 52 | 1 | PdfDocument newPDF = new PdfDocument(pdf); |
| 53 | 1 | int pagesTotal = newPDF.getNumberOfPages(); |
| 54 | 1 | List<Integer> allPages = new ArrayList<>(pagesTotal); |
| 55 | 6 | for (int i = 1; i <= pagesTotal; i++) { |
| 56 | 5 | allPages.add(i); |
| 57 | } | |
| 58 | 1 | for (Integer page : pages) { |
| 59 | 3 | allPages.remove(page); |
| 60 | } | |
| 61 | 1 | newPDF.selectPages(allPages); |
| 62 | 1 | LOGGER.log("Document contains " + newPDF.getNumberOfPages() + " Pages", |
| 63 | LogLevel.DEBUG); | |
| 64 | 1 | return newPDF; |
| 65 | } | |
| 66 | ||
| 67 | 2 | @Override |
| 68 | public void renderDocumentFromHtml(final String file, final String template) | |
| 69 | throws FileNotFoundException { | |
| 70 | 2 | StringBuilder html = new StringBuilder(); |
| 71 | 2 | html.append("<html>") |
| 72 | .append("<head>") | |
| 73 | .append("<meta charset=\"UTF-8\">") | |
| 74 | .append("<title>" + getTitle() + "</title>") | |
| 75 | .append("<meta name=\"author\" content=\"" + getAuthor() + "\">") | |
| 76 | .append("<meta name=\"subject\" content=\"" + getSubject() + "\">") | |
| 77 | .append("<meta name=\"keywords\" content=\"" + getKeywords() + "\">") | |
| 78 | .append("<style>") | |
| 79 | .append("@page {size: 21cm 29.7cm; margin: 20mm 20mm 20mm 20mm;}") | |
| 80 | .append("</style>") | |
| 81 | .append("</head>") | |
| 82 | .append("<body>") | |
| 83 | .append(template) | |
| 84 | .append("</body></html>"); | |
| 85 | 2 | ITextRenderer renderer = new ITextRenderer(); |
| 86 | 2 | SharedContext sharedContext = renderer.getSharedContext(); |
| 87 | 2 | sharedContext.setPrint(true); |
| 88 | 2 | sharedContext.setInteractive(false); |
| 89 | 2 | sharedContext.setReplacedElementFactory(new PdfReplacedElementFactory()); |
| 90 | 2 | sharedContext.getTextRenderer().setSmoothingThreshold(0); |
| 91 | 2 | renderer.setDocumentFromString(createWellFormedHtml(html.toString())); |
| 92 | 2 | renderer.layout(); |
| 93 | 2 | OutputStream os = new FileOutputStream(file); |
| 94 | 1 | renderer.createPDF(os); |
| 95 | } | |
| 96 | ||
| 97 | //<editor-fold defaultstate="collapsed" desc="Getter / Setter"> | |
| 98 | 2 | @Override |
| 99 | public void setAuthor(final String author) { | |
| 100 | 2 | this.author = author; |
| 101 | } | |
| 102 | ||
| 103 | 2 | @Override |
| 104 | public void setKeywords(final String keywords) { | |
| 105 | 2 | this.keywords = keywords; |
| 106 | } | |
| 107 | ||
| 108 | 2 | @Override |
| 109 | public void setSubject(final String subject) { | |
| 110 | 2 | this.subject = subject; |
| 111 | } | |
| 112 | ||
| 113 | 2 | @Override |
| 114 | public void setTitle(final String title) { | |
| 115 | 2 | this.title = title; |
| 116 | } | |
| 117 | ||
| 118 | 3 | @Override |
| 119 | public String getAuthor() { | |
| 120 | 3 | return author; |
| 121 | } | |
| 122 | ||
| 123 | 3 | @Override |
| 124 | public String getKeywords() { | |
| 125 | 3 | return keywords; |
| 126 | } | |
| 127 | ||
| 128 | 3 | @Override |
| 129 | public String getSubject() { | |
| 130 | 3 | return subject; |
| 131 | } | |
| 132 | ||
| 133 | 3 | @Override |
| 134 | public String getTitle() { | |
| 135 | 3 | return title; |
| 136 | } | |
| 137 | //</editor-fold> | |
| 138 | ||
| 139 | 2 | private String createWellFormedHtml(final String html) { |
| 140 | 2 | org.jsoup.nodes.Document content = org.jsoup.Jsoup.parse(html, "UTF-8"); |
| 141 | 2 | content.outputSettings().syntax( |
| 142 | org.jsoup.nodes.Document.OutputSettings.Syntax.xml); | |
| 143 | 2 | return content.html(); |
| 144 | } | |
| 145 | } |