From baa99742a8faf1330fe073ab95f8dee7d4d30aec Mon Sep 17 00:00:00 2001
From: ferbas <ferbas@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Wed, 2 Dec 2009 16:49:34 +0000
Subject: moved nontextobject extraction to objectextractor

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@476 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../wag/egov/egiz/pdf/TextualSignature.java        | 127 ---------------------
 1 file changed, 127 deletions(-)

(limited to 'src/main/java/at/knowcenter/wag/egov')

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
index d7fbe64..d5b3c5d 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/TextualSignature.java
@@ -21,21 +21,12 @@ import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
 
 import org.apache.log4j.Logger;
 import org.pdfbox.pdfparser.PDFParser;
 import org.pdfbox.pdmodel.PDDocument;
-import org.pdfbox.pdmodel.PDPage;
-import org.pdfbox.pdmodel.PDResources;
-import org.pdfbox.pdmodel.graphics.xobject.PDXObjectImage;
-import org.pdfbox.pdmodel.interactive.annotation.PDAnnotation;
 import org.pdfbox.util.PDFTextStripper;
 
-import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
 import at.gv.egiz.pdfas.exceptions.pdf.TextExtractionException;
 import at.gv.egiz.pdfas.framework.input.PdfDataSource;
 import at.gv.egiz.pdfas.performance.PerformanceCounters;
@@ -199,124 +190,6 @@ public class TextualSignature
     }
   }
   
-  /**
-   * Extract non textual data from pdf. 
- * @param pdfDataSource 
-   * 
-   * @see org.pdfbox.ExtractImages
-   * 
-   * @return List of {@link NonTextObjectInfo}
-   */
-   public static List extractNonTextInfo(PdfDataSource pdfDataSource) {
-
-      PDDocument doc = null;
-      try {
-         doc = PDDocument.load(pdfDataSource.createInputStream());
-         List res = extractNonTextInfo(doc);
-         doc.close();
-         return res;
-      } catch (IOException e) {
-         logger_.error("Error extracting images from pdf. No NonTextObjectInfo available.", e);
-         return new ArrayList();
-      } finally {
-         if (doc != null) {
-            try {
-               doc.close();
-            } catch (IOException e) {
-               logger_.error("error closing pddocument", e);
-            }            
-         }
-      }
-      
-   }
-  
-  /**
-   * Extract non textual data from pdf. 
-   * 
-   * @see org.pdfbox.ExtractImages
-   * 
-   * @param document
-   * @return List of {@link NonTextObjectInfo}
-   */
-  public static List extractNonTextInfo(PDDocument document) {         
-     // extraction does not work with the normalized pdf from extractTextTextual
-     logger_.debug("going to extract non text objects");
-     List objectInfos = new ArrayList();
-     List pages = document.getDocumentCatalog().getAllPages();
-     Iterator iter = pages.iterator();
-     int pageNr = 0;
-     while (iter.hasNext()) {
-        pageNr++;
-        PDPage page = (PDPage) iter.next();
-        doExtractFromResources(objectInfos, pageNr, page);
-        //doExtractAnnotations(objectInfos, pageNr, page); // does not work with pdf-box 0.7.2 -> 0.8.0 needed
-     }
-     if (logger_.isDebugEnabled()) {
-        logger_.debug("extracted non textual objects count: " + objectInfos.size());
-     }
-     logger_.debug("going to extract non text objects");
-     return objectInfos;
-
-  }
-
-  private static void doExtractAnnotations(List objectInfos, int pageNr, PDPage page) {
-     List annotations; 
-     try {
-        annotations = page.getAnnotations();
-     } catch (IOException e) {
-        logger_.error("Error extracting annotations from pdf. No NonTextObjectInfo-annotations available.", e);
-        return;
-     }
-     for (Iterator it = annotations.iterator(); it.hasNext();) {
-        try {
-           PDAnnotation anno = (PDAnnotation) it.next();
-           NonTextObjectInfo objInfo = new NonTextObjectInfo();
-           objInfo.setName(anno.getDictionary().getString( "NM" ));
-           objInfo.setObjectType(NonTextObjectInfo.TYPE_ANNOTATION);
-           objInfo.setSubType(anno.getDictionary().getString("Subtype") + 
-                 "/" + anno.getDictionary().getString("Subj"));
-           objInfo.setPageNr(pageNr);
-           objInfo.setHeight(anno.getRectangle().getHeight());
-           objInfo.setWidth(anno.getRectangle().getWidth());
-        } catch (Exception ex) {
-           logger_.info("error reading non text object info key " + ex);
-        }
-     }   
-  }
-
-  private static void doExtractFromResources(List objectInfos, int pageNr, PDPage page) {
-     PDResources resources = page.getResources();
- 
-     Map images;
-     try {
-        images = resources.getImages();
-     } catch (IOException e) {
-        logger_.error("Error extracting images from pdf. No NonTextObjectInfo-Images available.", e);
-        return;
-     }
-     if (images != null) {
-        Iterator imageIter = images.keySet().iterator();
-        while (imageIter.hasNext()) {
-           NonTextObjectInfo objInfo = new NonTextObjectInfo();
-           String key = (String) imageIter.next();
-           PDXObjectImage image = (PDXObjectImage) images.get(key);
-           System.err.println(image);
-           
-           objInfo.setHeight(image.getHeight());
-           objInfo.setWidth(image.getWidth());
-           objInfo.setName(key + image.getSuffix());
-           objInfo.setObjectType(NonTextObjectInfo.TYPE_IMAGE);
-           objInfo.setPageNr(pageNr);
-           objectInfos.add(objInfo);
-           
-           if (logger_.isDebugEnabled()) {
-              logger_.debug("Found non text object: " + objInfo.toString());
-           }
-        }
-     }     
-  }
-
-
   /**
    * Normalizes a given binary PDF to a version PDFbox can handle correctly.
    * 
-- 
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