org.faceless.pdf2.viewer2
Class Importer.ImporterTask

java.lang.Object
  org.faceless.pdf2.viewer2.LongRunningTask
      org.faceless.pdf2.viewer2.Importer.ImporterTask

Enclosing class:

Importer

public abstract class Importer.ImporterTask
extends LongRunningTask

This class is a LongRunningTask that can be run to load a PDF into the viewer. Subclasses of Importer need to implement a concrete subclass of this which implemented the loadPDF() method. By default this task is cancellable, but that may be overridden too.

This code is copyright the Big Faceless Organization. You're welcome to use, modify and distribute it in any form in your own projects, provided those projects continue to make use of the Big Faceless PDF library.

Since:

2.10.2

Field Summary

protected File	file The file passed to the constructor
protected InputStream	in The InputStream passed to the constructor
protected String	title The title passed to the constructor
protected PDFViewer	viewer The viewer passed to the constructor

Constructor Summary

protected

Importer.ImporterTask(PDFViewer viewer, InputStream in, String title, File file) Create a new ImporterTask which will read it's input from a File (if in is null) or from an InputStream.

Method Summary

boolean	isCancellable() Return true if this task can be cancelled before completion by the user.
abstract PDF	loadPDF() Load and return a PDF.
void	run() Run the current task.

Methods inherited from class org.faceless.pdf2.viewer2.LongRunningTask

cancel, getProgress, isCancelled, isRunning, start

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

viewer

protected final PDFViewer viewer

The viewer passed to the constructor

file

protected final File file

The file passed to the constructor

in

protected final InputStream in

The InputStream passed to the constructor

title

protected String title

The title passed to the constructor

Constructor Detail

Importer.ImporterTask

protected Importer.ImporterTask(PDFViewer viewer,
                                InputStream in,
                                String title,
                                File file)

Create a new ImporterTask which will read it's input from a File (if in is null) or from an InputStream.

Parameters:

viewer - the Viewer this task is going to add the PDF to

in - the InputStream to read the PDF from, or null to read the PDF from the file parameter

title - the title of the PDF - may be null

file - If in is null, the File to read the PDF from (may not be null). If in is not null, the file that is used as the default when this PDF is save, in which case it may be null.

Method Detail

isCancellable

public boolean isCancellable()

Description copied from class: LongRunningTask

Return true if this task can be cancelled before completion by the user.

Specified by:

isCancellable in class LongRunningTask

run

public void run()
         throws IOException

Description copied from class: LongRunningTask

Run the current task. Called by LongRunningTask.start(javax.swing.JComponent, java.lang.String), this method should typically not be called directly.

Specified by:

run in class LongRunningTask

Throws:

IOException

loadPDF

public abstract PDF loadPDF()
                     throws IOException

Load and return a PDF. Subclasses must implement this method, loading the PDF from the InputStream in if it's specified of the File file if it's not

Returns:

the PDF

Throws:

IOException