PageLoader

java.lang.Object
- com.lowagie.rups.model.BackgroundTask
- - com.lowagie.rups.model.PageLoader

```
public class PageLoader
extends BackgroundTask
```
Loads all the PDFPage objects for SUN's PDF Renderer in Background.

Field Summary

Fields
Modifier and Type	Field	Description
`protected boolean[]`	`busy`	True for pages with page number equal to index + 1 that are being loaded.
`protected boolean[]`	`done`	True for pages with page number equal to index + 1 that have already been loaded.
`protected com.sun.pdfview.PDFFile`	`file`	The PDFFile (SUN's PDF Renderer class)
`protected int`	`numberOfPages`	The total number of pages.

Constructor Summary

Constructors
Constructor Description

PageLoader(com.sun.pdfview.PDFFile file)
Creates a new page loader.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`doTask()`	Implement this class; the time-consuming task will go here.
`int`	`getNumberOfPages()`	Getter for the number of pages.
`com.sun.pdfview.PDFPage`	`loadPage(int pageNumber)`	Loads a page.

Methods inherited from class com.lowagie.rups.model.BackgroundTask
finished, interrupt, start

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - file
```
protected com.sun.pdfview.PDFFile file
```
    The PDFFile (SUN's PDF Renderer class)
  - numberOfPages
```
protected int numberOfPages
```
    The total number of pages.
  - busy
```
protected boolean[] busy
```
    True for pages with page number equal to index + 1 that are being loaded.
  - done
```
protected boolean[] done
```
    True for pages with page number equal to index + 1 that have already been loaded.
- Constructor Detail
  - PageLoader
```
public PageLoader(com.sun.pdfview.PDFFile file)
```
    Creates a new page loader.
    
    Parameters:
    
    file - the PDFFile (SUN's PDF Renderer)
- Method Detail
  - getNumberOfPages
```
public int getNumberOfPages()
```
    Getter for the number of pages.
    
    Returns:
    
    the number of pages in the PDF file.
  - loadPage
```
public com.sun.pdfview.PDFPage loadPage(int pageNumber)
```
    Loads a page.
    
    Parameters:
    
    pageNumber - the number of the page that has to be loaded.
    
    Returns:
    
    the PDFPage that has been loaded.
  - doTask
```
public void doTask()
```
    Description copied from class: BackgroundTask
    
    Implement this class; the time-consuming task will go here.
    
    Specified by:
    
    doTask in class BackgroundTask
    
    See Also:
    
    BackgroundTask.doTask()