bundles/org.simantics.help.base/src/org/simantics/help/base/internal/PDFUtil.java

   1 package org.simantics.help.base.internal;\r
   2 \r
   3 import java.io.File;\r
   4 import java.io.FileInputStream;\r
   5 import java.io.IOException;\r
   6 \r
   7 import org.apache.pdfbox.cos.COSDocument;\r
   8 import org.apache.pdfbox.pdfparser.PDFParser;\r
   9 import org.apache.pdfbox.pdmodel.PDDocument;\r
  10 import org.apache.pdfbox.pdmodel.PDDocumentInformation;\r
  11 import org.apache.pdfbox.util.PDFTextStripper;\r
  12 import org.eclipse.help.search.ISearchDocument;\r
  13 \r
  14 /**\r
  15  * @author Tuukka Lehtonen\r
  16  */\r
  17 public class PDFUtil {\r
  18 \r
  19     public static void stripText(File fromPdf, ISearchDocument doc) throws IOException {\r
  20         PDFParser parser = new PDFParser(new FileInputStream(fromPdf));\r
  21         parser.parse();\r
  22 \r
  23         try (COSDocument cosDoc = parser.getDocument()) {\r
  24             try (PDDocument pdDoc = new PDDocument(cosDoc)) {\r
  25                 int numPages = pdDoc.getNumberOfPages();\r
  26                 PDFTextStripper stripper = new PDFTextStripper();\r
  27                 stripper.setStartPage(1);\r
  28                 stripper.setEndPage(numPages);\r
  29                 String text = stripper.getText(pdDoc);\r
  30                 PDDocumentInformation docInfo = pdDoc.getDocumentInformation();\r
  31                 String title = docInfo.getTitle();\r
  32                 String subject = docInfo.getSubject();\r
  33                 if (title != null)\r
  34                     doc.setTitle(title);\r
  35                 if (subject != null)\r
  36                     doc.setSummary(subject);\r
  37                 doc.addContents(text);\r
  38             }\r
  39         }\r
  40     }\r
  41 \r
  42 }