PdfWriter.reorderPages failure 2006-07-27 - By Scott Tomer
Back
I am trying to reorder the pages in a PDF document after adding some
extra pages. The following code fails saying that the integer array
must be the same size as the number of pages in the document. When I
step into the code, I see that it believes that the number of pages in
the PdfWriter is 0 (zero).
Help?
---code---
public boolean go(String pdfFile, String newFile, boolean duplexLate) {
try {
PdfStamper stamp = null;
PdfReader reader = new PdfReader(pdfFile);
int pageCount = reader.getNumberOfPages();
stamp = new PdfStamper(reader, new FileOutputStream(newFile));
if (duplexLate) {
//Add an extra page after the address page
stamp.insertPage(2, PageSize.LETTER);
pageCount++;
}
int mod = pageCount % 2;
if (mod != 0) { //not even number of pages, add one
stamp.insertPage(pageCount+1, PageSize.LETTER);
pageCount++;
}
int[] newOrder = new int[pageCount];
for (int i=1, j=0; i<pageCount;i+=2, j+=2) {
newOrder[j] = i+1;
newOrder[j+1] = i;
}
stamp.getWriter().reorderPages(newOrder);
stamp.close();
return true;
}
catch (Exception de) {
return false;
}
}
---end code---
Thanks,
Scott Tomer
<pre>I am trying to reorder the pages in a PDF document after adding some <br
>extra pages. The following code fails saying that the integer array <br>must
be the same size as the number of pages in the document. When I <br>
step into the code, I see that it believes that the number of pages in <br>the
PdfWriter is 0 (zero).<br><br>Help?<br><br>---code---<br>public boolean go
(String pdfFile, String newFile, boolean duplexLate) {<br> try {<br>
PdfStamper stamp = null;<br> PdfReader reader = new PdfReader
(pdfFile);<br> int pageCount = reader.getNumberOfPages();<br><br>
stamp = new PdfStamper(reader, new FileOutputStream(newFile));<br> if
(duplexLate) {
<br> //Add an extra page after the address page<br>
stamp.insertPage(2, PageSize.LETTER);<br> pageCount++;<br>
}<br> int mod = pageCount % 2;<br> if (mod != 0) { //not even
number of pages, add one
<br> stamp.insertPage(pageCount+1, PageSize.LETTER);<br>
pageCount++;<br> }<br> int[] newOrder = new int[pageCount];<br>
for (int i=1, j=0; i<pageCount;i+=2, j+=2) {<br> newOrder[j
] = i+1;
<br> newOrder[j+1] = i;<br> }<br> stamp.getWriter()
.reorderPages(newOrder);<br> stamp.close();<br> return true;<br>
}<br> catch (Exception de) {<br> return false;<br> }<br>
}<br>---end code---<br><br>Thanks,<br>Scott Tomer</pre>
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