ChannelInitializerExtensions

java.lang.Object
- io.netty.bootstrap.ChannelInitializerExtensions

Direct Known Subclasses:

ChannelInitializerExtensions.EmptyExtensions, ChannelInitializerExtensions.ServiceLoadingExtensions
```
abstract class ChannelInitializerExtensions
extends java.lang.Object
```
The configurable facade that decides what ChannelInitializerExtensions to load and where to find them.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`private static class`	`ChannelInitializerExtensions.EmptyExtensions`
`private static class`	`ChannelInitializerExtensions.ServiceLoadingExtensions`

Field Summary

Fields
Modifier and Type Field Description

private static ChannelInitializerExtensions implementation

private static InternalLogger logger

Constructor Summary

Constructors
Modifier Constructor Description

private ChannelInitializerExtensions()

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) abstract java.util.Collection<ChannelInitializerExtension>`	`extensions(java.lang.ClassLoader cl)`	Get the list of available extensions.
`(package private) static ChannelInitializerExtensions`	`getExtensions()`	Get the configuration extensions, which is a no-op implementation by default, or a service-loading implementation if the `io.netty.bootstrap.extensions` system property is `serviceload`.

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

- Field Detail
  - logger
```
private static final InternalLogger logger
```
  - implementation
```
private static volatile ChannelInitializerExtensions implementation
```
- Constructor Detail
  - ChannelInitializerExtensions
```
private ChannelInitializerExtensions()
```
- Method Detail
  - getExtensions
```
static ChannelInitializerExtensions getExtensions()
```
    Get the configuration extensions, which is a no-op implementation by default, or a service-loading implementation if the io.netty.bootstrap.extensions system property is serviceload.
  - extensions
```
abstract java.util.Collection<ChannelInitializerExtension> extensions(java.lang.ClassLoader cl)
```
    Get the list of available extensions. The list is unmodifiable.