From c751dda6d26a2b0bbb1eb4c0ea1b0bc7a0e7f42d Mon Sep 17 00:00:00 2001
From: pdanner <pdanner@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>
Date: Mon, 7 Mar 2011 15:47:33 +0000
Subject: add more defense if link struct cannot be found

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@775 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
---
 .../knowcenter/wag/egov/egiz/pdf/StructContentHelper.java  | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java
index 859d2c0..8fe9e62 100644
--- a/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java
+++ b/src/main/java/at/knowcenter/wag/egov/egiz/pdf/StructContentHelper.java
@@ -62,6 +62,8 @@ public class StructContentHelper implements StructContentWriter {
    private int linkMcid = -1;
    private String linkUrlString = null;
    private boolean isTagged = false;
+   private Map linkPosMap = new HashMap();
+   private Map tmpMap = new HashMap();
 
    private PdfStamper stamper;
    private PdfStamperImp stamperImp;
@@ -234,7 +236,7 @@ public class StructContentHelper implements StructContentWriter {
     * @throws PresentableException 
     */
    void buildVerifyLinkStructData(PdfTemplate sigBlockObj, ActualTablePos atp) throws PresentableException {
-      if (!this.isTagged || !this.isLinkMarked()) return; 
+      if (!this.isTagged || !this.isLinkMarked() || !isLinkFound()) return; 
 
       try {
          PdfNumber parentTreeKey = getNewParentTreeKey();
@@ -242,7 +244,7 @@ public class StructContentHelper implements StructContentWriter {
          PdfArray annots = obrainAnnotsFromPage();         
          
          PdfIndirectReference linkAnnotRef = createLinkAnnot(parentTreeKey, atp);         
-         annots.add(linkAnnotRef);
+         annots.add(linkAnnotRef);         
          
          PdfIndirectReference objr = createObjrStructElem(linkAnnotRef);
          PdfIndirectReference mcr = createMcrStructElem(this.linkMcid, sigBlockObj.getIndirectReference());         
@@ -280,6 +282,10 @@ public class StructContentHelper implements StructContentWriter {
       }
    }
       
+   private boolean isLinkFound() {
+      return this.linkUrlString != null && this.verifyLinkCellPos != null && this.linkPosMap.size() > 0 && this.linkMcid >= 0;
+   }
+
    /**
     * Build new StructParent entry for signature annotation.
     * @return
@@ -412,13 +418,11 @@ public class StructContentHelper implements StructContentWriter {
    public void storeCurrentPosAsLink() {
       this.verifyLinkCellPos = new Rectangle(this.tempMarkedPos);     
    }
-   
-   private Map tmpMap = new HashMap();
+      
    public void putVal(String key, Object val) {
       tmpMap.put(key, val);      
    }
 
-   private Map linkPosMap;
    public void storeVals() {
       linkPosMap = new HashMap(tmpMap);
    }   
-- 
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