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

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

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.