Utils

java.lang.Object
- JavaFX.Utils

```
public class Utils
extends java.lang.Object
```
Utilities class. It wraps some useful methods that are used by two or more classes.

Author:

Leonardo-Rocha

Field Summary

Fields
Modifier and Type	Field	Description
`private static java.io.File`	`configFile`
`private static java.io.FileOutputStream`	`fileOutputStream`
`private static int`	`lastValidIndex`
`private static java.util.Properties`	`properties`
`private static java.lang.String`	`PROPERTIES_PATH`
`static java.util.Map<java.lang.String,java.io.File>`	`recentFiles`

Constructor Summary

Constructors
Constructor Description

Utils()

Method Summary

Modifier and Type	Method	Description
`static void`	`addFileToProperties(java.io.File newFile)`	Add a new file to configuration file.
`static void`	`configCanvasResize(javafx.stage.Stage primaryStage, javafx.scene.canvas.Canvas canvas)`	Config canvas automatic resize according to root size.
`static void`	`createPropertiesFile(java.util.Map<java.lang.String,java.io.File> mapToSave)`	Write the files path to a .properties.
`static java.util.Map<java.lang.String,java.io.File>`	`readPropertiesFile()`	Read the properties file.

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

Field Detail

PROPERTIES_PATH

private static final java.lang.String PROPERTIES_PATH

See Also:: Constant Field Values

properties

private static java.util.Properties properties

configFile
```
private static java.io.File configFile
```

fileOutputStream

private static java.io.FileOutputStream fileOutputStream

recentFiles

public static java.util.Map<java.lang.String,java.io.File> recentFiles

lastValidIndex
```
private static int lastValidIndex
```

Constructor Detail
- Utils
```
public Utils()
```

Method Detail
- configCanvasResize
```
public static void configCanvasResize(javafx.stage.Stage primaryStage,
                                      javafx.scene.canvas.Canvas canvas)
```
  Config canvas automatic resize according to root size.
  
  Parameters:
  
  primaryStage - stage reference.
  
  canvas - reference of the cangas to config automatic resize.
- createPropertiesFile
```
public static void createPropertiesFile(java.util.Map<java.lang.String,java.io.File> mapToSave)
```
  Write the files path to a .properties.
  
  Parameters:
  
  mapToSave - map of files to save on the .properties.
- readPropertiesFile
```
public static java.util.Map<java.lang.String,java.io.File> readPropertiesFile()
```
  Read the properties file.
  
  Returns:
  
  a map containing the name and the path of the files.
- addFileToProperties
```
public static void addFileToProperties(java.io.File newFile)
                                throws java.io.IOException
```
  Add a new file to configuration file.
  
  Parameters:
  
  newFile - file reference to be added.
  
  Throws:
  
  java.io.IOException - if an error occurs during file writing.