org.apache.pdfbox.debugger.ui

Class RecentFiles

java.lang.Object

org.apache.pdfbox.debugger.ui.RecentFiles

public class RecentFiles
extends Object

A class to save recent file history in preference using java Preference api.

Constructor Summary

Constructors

Constructor and Description
RecentFiles(Class className, int maximumFile) Constructor.

Method Summary

Modifier and Type	Method and Description
void	addFile(String path) Add a new file in recent file history.
void	close() This method save the present recent file history in the preference.
List<String>	getFiles() This gives the file in descending order where order is according to the time it is added.
boolean	isEmpty() Check if file history is empty.
void	removeAll() Clear the previous recent file history.
void	removeFile(String path) Remove a file from recent file history.

Methods inherited from class java.lang.Object

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

Constructor Detail

RecentFiles

public RecentFiles(Class className,
                   int maximumFile)

Constructor.

Parameters:

className - the class for which this Recentfiles object is created and it will be used to create preference instance.

maximumFile - the number of recent files to remember.

Method Detail

removeAll

public void removeAll()

Clear the previous recent file history.

isEmpty

public boolean isEmpty()

Check if file history is empty.

Returns:

if history is empty return true otherwise return false.

addFile

public void addFile(String path)

Add a new file in recent file history.

Parameters:

path - path to the file. this path means File#getPath() method returned String.

removeFile

public void removeFile(String path)

Remove a file from recent file history.

Parameters:

path - path string to the file. this path means File#getPath() method returned String.

getFiles

public List<String> getFiles()

This gives the file in descending order where order is according to the time it is added. This checks for file's existence in file history.

Returns:

return the file paths in a List.

close

public void close()
           throws IOException

This method save the present recent file history in the preference. To get the recent file history in next session this method must be called.

Throws:

IOException - if saving in preference doesn't success.