java.lang.Object
- org.apache.tomcat.jni.Library

```
public final class Library
extends java.lang.Object
```
Manages loading of the Tomcat Native (tcnative) library.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`APR_IS_DEV_VERSION`	APR is development version flag.
`static int`	`APR_MAJOR_VERSION`	APR major version.
`static int`	`APR_MINOR_VERSION`	APR minor version.
`static int`	`APR_PATCH_VERSION`	APR patch version.
`static int`	`TCN_IS_DEV_VERSION`	TCN is development version flag.
`static int`	`TCN_MAJOR_VERSION`	TCN major version.
`static int`	`TCN_MINOR_VERSION`	TCN minor version.
`static int`	`TCN_PATCH_VERSION`	TCN patch version.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static java.lang.String`	`aprVersionString()`	Returns the APR version string.
`static boolean`	`initialize(java.lang.String libraryName)`	Setup any APR internal data structures.
`static void`	`terminate()`	Destroys Tomcat Native's global APR pool.
`static java.lang.String`	`versionString()`	Returns the TCN version string.

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

- Field Detail
  - TCN_MAJOR_VERSION
```
public static int TCN_MAJOR_VERSION
```
    TCN major version.
  - TCN_MINOR_VERSION
```
public static int TCN_MINOR_VERSION
```
    TCN minor version.
  - TCN_PATCH_VERSION
```
public static int TCN_PATCH_VERSION
```
    TCN patch version.
  - TCN_IS_DEV_VERSION
```
public static int TCN_IS_DEV_VERSION
```
    TCN is development version flag.
  - APR_MAJOR_VERSION
```
public static int APR_MAJOR_VERSION
```
    APR major version.
  - APR_MINOR_VERSION
```
public static int APR_MINOR_VERSION
```
    APR minor version.
  - APR_PATCH_VERSION
```
public static int APR_PATCH_VERSION
```
    APR patch version.
  - APR_IS_DEV_VERSION
```
public static int APR_IS_DEV_VERSION
```
    APR is development version flag.
- Method Detail
  - terminate
```
public static void terminate()
```
    Destroys Tomcat Native's global APR pool. This has to be the last call to TCN library. This will destroy any APR root pools that have not been explicitly destroyed.
  - versionString
```
public static java.lang.String versionString()
```
    Returns the TCN version string.
    
    Returns:
    
    the TCN version string
  - aprVersionString
```
public static java.lang.String aprVersionString()
```
    Returns the APR version string.
    
    Returns:
    
    the APR version string
  - initialize
```
public static boolean initialize(java.lang.String libraryName)
                          throws java.lang.Exception
```
    Setup any APR internal data structures. This MUST be the first function called for any APR library.
    
    Parameters:
    
    libraryName - the name of the library to load
    
    Returns:
    
    true if the native code was initialized successfully otherwise false
    
    Throws:
    
    java.lang.Exception - if a problem occurred during initialization

Class Library

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

TCN_MAJOR_VERSION

TCN_MINOR_VERSION

TCN_PATCH_VERSION

TCN_IS_DEV_VERSION

APR_MAJOR_VERSION

APR_MINOR_VERSION

APR_PATCH_VERSION

APR_IS_DEV_VERSION

Method Detail

terminate

versionString

aprVersionString

initialize