Package org.apache.bookkeeper.common.util.nativelib

Class NativeUtils

  • public final class NativeUtils
extends java.lang.Object
    Utility class to load jni library from inside a JAR.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void checkArgument​(boolean expression, @NonNull java.lang.Object errorMessage)  
      static java.lang.String libType()
      Returns jni library extension based on OS specification.
      static void loadLibraryFromJar​(java.lang.String path)
      loads given library from the this jar.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • OS_NAME

        public static final java.lang.String OS_NAME

      • TEMP_WORKDIR_PROPERTY_NAME

        public static final java.lang.String TEMP_WORKDIR_PROPERTY_NAME
        See Also:
        Constant Field Values

    • Method Detail

      • loadLibraryFromJar

        public static void loadLibraryFromJar​(java.lang.String path)
                               throws java.lang.Exception
        loads given library from the this jar. ie: this jar contains: /lib/pulsar-checksum.jnilib
        Parameters:
        path - : absolute path of the library in the jar
        if this jar contains: /lib/pulsar-checksum.jnilib then provide the same absolute path as input
        Throws:
        java.lang.Exception

      • libType

        public static java.lang.String libType()
        Returns jni library extension based on OS specification. Maven-nar generates jni library based on different OS : http://mark.donszelmann.org/maven-nar-plugin/aol.html (jni.extension)
        Returns:
        library type

      • checkArgument

        public static void checkArgument​(boolean expression,
                                 @NonNull
                                 @NonNull java.lang.Object errorMessage)