Field Detail

• JAVA_TMPDIR

  protected static final String JAVA_TMPDIR

  See Also:

  Constant Field Values

• ALTR_TMPDIR

  protected static final String ALTR_TMPDIR

  See Also:

  Constant Field Values

• TMP_PREFIX

  protected static final String TMP_PREFIX

  See Also:

  Constant Field Values

Constructor Detail

• BaseJniExtractor

  public BaseJniExtractor()
                   throws IOException

  Throws:

  IOException

• BaseJniExtractor

  public BaseJniExtractor(Class<?> libraryJarClass)
                   throws IOException

  Throws:

  IOException

Method Detail

• getTempDir

  protected static File getTempDir()
                            throws IOException

  Throws:

  IOException

• getNativeDir

  public abstract File getNativeDir()

  this is where native dependencies are extracted to (e.g. tmplib/).

  Returns:

  native working dir

• getJniDir

  public abstract File getJniDir()

  this is where JNI libraries are extracted to (e.g. tmplib/classloaderName.1234567890000.0/).

  Returns:

  jni working dir

• extractJni

  public File extractJni(String libPath,
                         String libname)
                  throws IOException

  Description copied from interface: JniExtractor
  Extract a JNI library from the classpath to a temporary file.

  Specified by:

  extractJni in interface JniExtractor

  Parameters:

  libPath - library path

  libname - System.loadLibrary() compatible library name

  Returns:

  the extracted file

  Throws:

  IOException - when extracting the desired file failed

• extractRegistered

  public void extractRegistered()
                         throws IOException

  Description copied from interface: JniExtractor
  Extract all libraries which are registered for auto-extraction to files in the temporary directory.

  Specified by:

  extractRegistered in interface JniExtractor

  Throws:

  IOException - when extracting the desired file failed