SysControllerFilter

java.lang.Object
- com.smartfoxserver.v2.controllers.filter.SysControllerFilter

All Implemented Interfaces:

ISystemFilter

Direct Known Subclasses:

ReadOnlyUserVariablesFilter
```
public abstract class SysControllerFilter
extends java.lang.Object
implements ISystemFilter
```
A filter can be used to intercept any API client request (not Extension requests) and interact with the parameter, adding extra validation, custom logic etc...
A complete description of the process is found in this tutorial.

Since:

version 2.3.0

See Also:

SysControllerFilterChain, Zone.setFilterChain(com.smartfoxserver.v2.controllers.SystemRequest, ISystemFilterChain)

Field Summary

Fields
Modifier and Type Field Description

protected org.slf4j.Logger logger

Constructor Summary

Constructors
Constructor Description

SysControllerFilter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getName()`
`void`	`setName(java.lang.String name)`
`protected void`	`trace(ExtensionLogLevel level, java.lang.Object... args)`	Trace a message to the console and log files using the specified logging level
`protected void`	`trace(java.lang.Object... args)`	Traces a message to the console and log files using the Logger INFO level

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

Methods inherited from interface com.smartfoxserver.v2.controllers.filter.ISystemFilter
handleClientRequest

- Field Detail
  - logger
```
protected final org.slf4j.Logger logger
```
- Constructor Detail
  - SysControllerFilter
```
public SysControllerFilter()
```
- Method Detail
  - getName
```
public java.lang.String getName()
```
  - setName
```
public void setName(java.lang.String name)
```
  - trace
```
protected void trace(java.lang.Object... args)
```
    Traces a message to the console and log files using the Logger INFO level
    
    Parameters:
    
    args - any number of strings/object to trace
  - trace
```
protected void trace(ExtensionLogLevel level,
                     java.lang.Object... args)
```
    Trace a message to the console and log files using the specified logging level
    
    Parameters:
    
    level - the logging level
    
    args - any number of object to trace