Fix to the insert at page action logic.

Author: douglascrp

pdf-toolkit-repo/src/main/java/org/alfresco/extension/pdftoolkit/repo/action/executer/PDFInsertAtPageActionExecuter.java

@@ -178,16 +178,24 @@ protected final void action(Action ruleAction, NodeRef actionedUponNodeRef, Cont
 
             // split the PDF and put the pages in a list
             Splitter splitter = new Splitter();
-            // Need to adjust the input value to get the split at the right page
-            splitter.setSplitAtPage(insertAt - 1);
 
             // Split the pages
             List<PDDocument> pdfs = splitter.split(pdf);
 
             // Build the output PDF
             PDFMergerUtility merger = new PDFMergerUtility();
-            merger.appendDocument((PDDocument)pdfs.get(0), insertContentPDF);
-            merger.appendDocument((PDDocument)pdfs.get(0), (PDDocument)pdfs.get(1));
+            
+            PDDocument newDocument = new PDDocument();
+            
+            for (int i = 0; i < pdfs.size(); i++) {
+            	
+            	if (i == insertAt -1) {
+            		merger.appendDocument(newDocument, insertContentPDF);
+            	}
+            	
+            	merger.appendDocument(newDocument, (PDDocument)pdfs.get(i));
+            }
+            
             merger.setDestinationFileName(options.get(PARAM_DESTINATION_NAME).toString());
             merger.mergeDocuments();
 
@@ -200,13 +208,14 @@ protected final void action(Action ruleAction, NodeRef actionedUponNodeRef, Cont
             String fileName = options.get(PARAM_DESTINATION_NAME).toString();
             Boolean inplace = Boolean.valueOf(String.valueOf(options.get(PARAM_INPLACE)));
 
-            PDDocument completePDF = (PDDocument)pdfs.get(0);
+            PDDocument completePDF = newDocument;
 
             completePDF.save(tempDir + "" + File.separatorChar + fileName + FILE_EXTENSION);
 
             try
             {
                 completePDF.close();
+                newDocument.close();
             }
             catch (IOException e)
             {