PDFCreationListener (Openhtmltopdf PDF Rendering (Apache PDF-BOX 2) 1.0.0 API)

```
public interface PDFCreationListener
```
Callback listener for PDF creation. To use this, call PdfBoxRenderer.setListener(PDFCreationListener).

Method Summary

Modifier and Type	Method	Description
`void`	`onClose(PdfBoxRenderer renderer)`	Called immediately before the Pdf Document instance is closed
`void`	`preOpen(PdfBoxRenderer pdfBoxRenderer)`	Called immediately after the PDF Document instance is created before the content is written.
`void`	`preWrite(PdfBoxRenderer pdfBoxRenderer, int pageCount)`	Called immediately before the pages of the PDF file are about to be written out.

- Method Detail
  - preOpen
```
void preOpen(PdfBoxRenderer pdfBoxRenderer)
```
    Called immediately after the PDF Document instance is created before the content is written.
    
    Parameters:
    
    pdfBoxRenderer - the renderer preparing the document
  - preWrite
```
void preWrite(PdfBoxRenderer pdfBoxRenderer,
              int pageCount)
```
    Called immediately before the pages of the PDF file are about to be written out. This is an opportunity to modify any document metadata that will be used to generate the PDF header fields (the document information dictionary).
    
    Parameters:
    
    pdfBoxRenderer - the renderer preparing the document
    
    pageCount - the number of pages that will be written to the PDF document
  - onClose
```
void onClose(PdfBoxRenderer renderer)
```
    Called immediately before the Pdf Document instance is closed
    
    Parameters:
    
    renderer - the iTextRenderer preparing the document