FileIO

java.lang.Object
- net.sourceforge.jeuclid.app.mathviewer.FileIO

```
public final class FileIO
extends java.lang.Object
```
File I/O support functionality for MathViewer.

Version:

$Revision: cca61eec2241 $

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static FileIO`	`getInstance()`	Retrieve the FileIO object.
`org.w3c.dom.Document`	`loadFile(java.awt.Frame parent, java.io.File selectedFile)`	Load the given file.
`void`	`saveDocument(java.awt.Frame parent, org.w3c.dom.Node document, MutableLayoutContext params)`	Save a document.
`java.io.File`	`selectFileToOpen(java.awt.Frame parent)`	Select a file.

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

- Method Detail
  - getInstance
```
public static FileIO getInstance()
```
    Retrieve the FileIO object.
    
    Returns:
    
    the FileIO object
  - selectFileToOpen
```
public java.io.File selectFileToOpen(java.awt.Frame parent)
```
    Select a file.
    
    Parameters:
    
    parent - Frame of the parent
    
    Returns:
    
    A File or null.
  - loadFile
```
public org.w3c.dom.Document loadFile(java.awt.Frame parent,
                                     java.io.File selectedFile)
```
    Load the given file.
    
    Parameters:
    
    selectedFile - File object to load.
    
    parent - Frame of parent window
    
    Returns:
    
    a parsed Document or null
  - saveDocument
```
public void saveDocument(java.awt.Frame parent,
                         org.w3c.dom.Node document,
                         MutableLayoutContext params)
```
    Save a document.
    
    Parameters:
    
    parent - frame of parent.
    
    document - the MML document to save.
    
    params - rendering parameters.