com.lambdaworks.jni

Class JarLibraryLoader

java.lang.Object

com.lambdaworks.jni.JarLibraryLoader

All Implemented Interfaces:

LibraryLoader

public class JarLibraryLoader
extends Object
implements LibraryLoader

A native library loader that will extract and load a shared library contained in a jar. This loader will attempt to detect the platform (CPU architecture and OS) it is running on and load the appropriate shared library. Given a library path and name this loader looks for a native library with path [libraryPath]/[arch]/[os]/lib[name].[ext]

Author:

Will Glozer

Constructor Summary

Constructors

Constructor and Description
JarLibraryLoader() Initialize a new instance that looks for shared libraries located in the same jar as this class and with a path starting with lib.
JarLibraryLoader(CodeSource codeSource, String libraryPath) Initialize a new instance that looks for shared libraries located in the specified directory of the supplied code source.

Method Summary

Modifier and Type	Method and Description
boolean	load(String name, boolean verify) Load a shared library, and optionally verify the jar signatures.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JarLibraryLoader

public JarLibraryLoader()

Initialize a new instance that looks for shared libraries located in the same jar as this class and with a path starting with lib.

JarLibraryLoader

public JarLibraryLoader(CodeSource codeSource,
                        String libraryPath)

Initialize a new instance that looks for shared libraries located in the specified directory of the supplied code source.

Parameters:

codeSource - Code source containing shared libraries.

libraryPath - Path prefix of shared libraries.

Method Detail

load

public boolean load(String name,
                    boolean verify)

Load a shared library, and optionally verify the jar signatures.

Specified by:

load in interface LibraryLoader

Parameters:

name - Name of the library to load.

verify - Verify the jar file if signed.

Returns:

true if the library was successfully loaded.