1 files changed, 18 insertions, 19 deletions
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderExtractor.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderExtractor.java
index 8b8c22e..453b620 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderExtractor.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/placeholder/SignaturePlaceholderExtractor.java
@@ -71,7 +71,7 @@ import com.google.zxing.common.HybridBinarizer;
 
 /**
  * Extract all relevant information from a placeholder image.
- * 
+ *
  * @author exthex
  *
  */
@@ -80,10 +80,10 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
     * The log.
     */
    private static Log log = LogFactory.getLog(SignaturePlaceholderExtractor.class);
-   
+
    private List placeholders = new Vector();
    private int currentPage = 0;
-   
+
    private SignaturePlaceholderExtractor(String placeholderId, int placeholderMatchMode) throws IOException {
       super(ResourceLoader.loadProperties("at/gv/egiz/pdfas/placeholder/pdfbox-reader.properties",
             true));
@@ -93,7 +93,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
     * Search the document for placeholder images and possibly included
     * additional info.<br/>
     * Searches only for the first placeholder page after page from top.
-    * 
+    *
     * @param inputStream
     * @return all available info from the first found placeholder.
     * @throws PDFDocumentException if the document could not be read.
@@ -103,14 +103,13 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
          throws PDFDocumentException, PlaceholderExtractionException {
       SignaturePlaceholderContext.setSignaturePlaceholderData(null);
       PDDocument doc = null;
-      try 
+      try
       {
          try {
             doc = PDDocument.load(inputStream);
          } catch (IOException e) {
             throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);
          }
-         PDFASUtils.checkDocumentPermissions(doc);
          SignaturePlaceholderExtractor extractor;
          try
          {
@@ -135,7 +134,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
             } catch (IOException e1) {
             	throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e1);
             }
-   
+
          }
          if (extractor.placeholders.size() > 0){
         	SignaturePlaceholderData ret = matchPlaceholderDocument(extractor.placeholders, placeholderId, matchMode);
@@ -146,7 +145,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
          if (matchMode == Constants.PLACEHOLDER_MATCH_MODE_STRICT) {
             throw new PlaceholderExtractionException(ErrorCode.SIGNATURE_PLACEHOLDER_EXTRACTION_FAILED, "no suitable placeholder found and STRICT matching mode requested.");
          }
-         
+
          return null;
       } finally {
          if (doc != null)
@@ -158,23 +157,23 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
       }
 
    }
-   
+
    private static SignaturePlaceholderData matchPlaceholderDocument(
          List placeholders, String placeholderId, int matchMode) throws PlaceholderExtractionException {
-      
+
       if (matchMode == Constants.PLACEHOLDER_MATCH_MODE_STRICT)
          throw new PlaceholderExtractionException(ErrorCode.SIGNATURE_PLACEHOLDER_EXTRACTION_FAILED, "no suitable placeholder found and STRICT matching mode requested.");
-      
+
       if (placeholders.size() == 0)
          return null;
-      
+
       for (int i = 0; i < placeholders.size(); i++)
       {
          SignaturePlaceholderData spd = (SignaturePlaceholderData)placeholders.get(i);
          if (spd.getId() == null)
             return spd;
       }
-      
+
       if (matchMode == Constants.PLACEHOLDER_MATCH_MODE_LENIENT)
          return (SignaturePlaceholderData)placeholders.get(0);
 
@@ -219,7 +218,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
                       PDPage page = getCurrentPage();
                       Matrix ctm = getGraphicsState().getCurrentTransformationMatrix();
                       double rotationInRadians = (page.findRotation() * Math.PI)/180;
-   
+
                       AffineTransform rotation = new AffineTransform();
                       rotation.setToRotation( rotationInRadians );
                       AffineTransform rotationInverse = rotation.createInverse();
@@ -227,13 +226,13 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
                       rotationInverseMatrix.setFromAffineTransform( rotationInverse );
                       Matrix rotationMatrix = new Matrix();
                       rotationMatrix.setFromAffineTransform( rotation );
-   
+
                       Matrix unrotatedCTM = ctm.multiply( rotationInverseMatrix );
-   
+
                       float x = unrotatedCTM.getXPosition();
                       float y = unrotatedCTM.getYPosition() + unrotatedCTM.getYScale();
                       float w = unrotatedCTM.getXScale();
-                      
+
                       String posString = "p:" + currentPage + ";x:" + x + ";y:" + y + ";w:" + w;
                       try
                       {
@@ -259,7 +258,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
 
    /**
     * Checks an image if it is a placeholder for a signature.
-    * 
+    *
     * @param image
     * @return
     * @throws IOException
@@ -291,7 +290,7 @@ public class SignaturePlaceholderExtractor extends PDFStreamEngine {
          formats.add(BarcodeFormat.QR_CODE);
          hints.put(DecodeHintType.POSSIBLE_FORMATS, formats);
          result = new MultiFormatReader().decode(bitmap, hints);
-         
+
          String text = result.getText();
          String profile = null;
          String type = null;