OpenSsl

java.lang.Object
- org.jboss.netty.handler.ssl.OpenSsl

```
public final class OpenSsl
extends java.lang.Object
```
Tells if netty-tcnative and its OpenSSL support are available.

Field Summary

Fields
Modifier and Type	Field	Description
`(package private) static java.lang.String`	`IGNORABLE_ERROR_PREFIX`
`private static InternalLogger`	`logger`
`private static java.lang.Throwable`	`UNAVAILABILITY_CAUSE`

Constructor Summary

Constructors
Modifier Constructor Description

private OpenSsl()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static void`	`ensureAvailability()`	Ensure that `netty-tcnative` and its OpenSSL support are available.
`static boolean`	`isAvailable()`	Returns `true` if and only if `netty-tcnative` and its OpenSSL support are available.
`static java.lang.Throwable`	`unavailabilityCause()`	Returns the cause of unavailability of `netty-tcnative` and its OpenSSL support.

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
```
  - UNAVAILABILITY_CAUSE
```
private static final java.lang.Throwable UNAVAILABILITY_CAUSE
```
  - IGNORABLE_ERROR_PREFIX
```
static final java.lang.String IGNORABLE_ERROR_PREFIX
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - OpenSsl
```
private OpenSsl()
```
- Method Detail
  - isAvailable
```
public static boolean isAvailable()
```
    Returns true if and only if netty-tcnative and its OpenSSL support are available.
  - ensureAvailability
```
public static void ensureAvailability()
```
    Ensure that netty-tcnative and its OpenSSL support are available.
    
    Throws:
    
    java.lang.UnsatisfiedLinkError - if unavailable
  - unavailabilityCause
```
public static java.lang.Throwable unavailabilityCause()
```
    Returns the cause of unavailability of netty-tcnative and its OpenSSL support.
    
    Returns:
    
    the cause if unavailable. null if available.