XSystem (OpenXava 7.4.1 API)

java.lang.Object
- org.openxava.util.XSystem

```
public class XSystem
extends java.lang.Object
```
Global utilities about the system.

Author:

Javier Paniza

Constructor Summary

Constructors
Constructor Description

XSystem()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`_setLogLevelFromJavaLoggingLevelOfXavaPreferences()`
`static void`	`_setOnServer()`	Does that `onServer` returns `true`.
`static java.lang.String`	`getEncoding()`	To use for XML encoding and for web requests and responses encoding.
`static boolean`	`isJava17orBetter()`
`static boolean`	`isJava21orBetter()`
`static boolean`	`isJava9orBetter()`
`static boolean`	`onClient()`	If we are in a client: java application, applet, servlet, jsp, etc.
`static boolean`	`onServer()`	If we are in a EJB server.

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

- Constructor Detail
  - XSystem
```
public XSystem()
```
- Method Detail
  - _setOnServer
```
public static void _setOnServer()
```
    Does that onServer returns true. Must to be called from a static block in a common base class of EJB, or in all EJB is there aren't base class.
  - onClient
```
public static boolean onClient()
```
    If we are in a client: java application, applet, servlet, jsp, etc.
  - onServer
```
public static boolean onServer()
```
    If we are in a EJB server.
  - _setLogLevelFromJavaLoggingLevelOfXavaPreferences
```
public static void _setLogLevelFromJavaLoggingLevelOfXavaPreferences()
```
  - getEncoding
```
public static java.lang.String getEncoding()
```
    To use for XML encoding and for web requests and responses encoding.
  - isJava9orBetter
```
public static boolean isJava9orBetter()
```
    Since:
    
    6.0
  - isJava17orBetter
```
public static boolean isJava17orBetter()
```
    Since:
    
    7.3
  - isJava21orBetter
```
public static boolean isJava21orBetter()
```
    Since:
    
    7.3.1