com.facebook.soloader

Class DirectorySoSource

java.lang.Object

com.facebook.soloader.SoSource

com.facebook.soloader.DirectorySoSource

Direct Known Subclasses:

ApkSoSource, ExoSoSource

public class DirectorySoSource
extends SoSource

SoSource that finds shared libraries in a given directory.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ON_LD_LIBRARY_PATH
static int	RESOLVE_DEPENDENCIES
protected java.io.File	soDirectory

Fields inherited from class com.facebook.soloader.SoSource

LOAD_FLAG_ALLOW_IMPLICIT_PROVISION, LOAD_RESULT_IMPLICITLY_PROVIDED, LOAD_RESULT_LOADED, LOAD_RESULT_NOT_FOUND

Constructor Summary

Constructors

Constructor and Description
DirectorySoSource(java.io.File soDirectory, int flags) Make a new DirectorySoSource.

Method Summary

Methods

Modifier and Type	Method and Description
int	loadLibrary(java.lang.String soName, int loadFlags) Load a shared library library into this process.
java.io.File	unpackLibrary(java.lang.String soName) Ensure that a shared library exists on disk somewhere.

Methods inherited from class java.lang.Object

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

Field Detail

RESOLVE_DEPENDENCIES

public static final int RESOLVE_DEPENDENCIES

See Also:

Constant Field Values

ON_LD_LIBRARY_PATH

public static final int ON_LD_LIBRARY_PATH

See Also:

Constant Field Values

soDirectory

protected final java.io.File soDirectory

Constructor Detail

DirectorySoSource

public DirectorySoSource(java.io.File soDirectory,
                 int flags)

Make a new DirectorySoSource. If flags contains RESOLVE_DEPENDENCIES, recursively load dependencies for shared objects loaded from this directory. (We shouldn't need to resolve dependencies for libraries loaded from system directories: the dynamic linker is smart enough to do it on its own there.)

Method Detail

loadLibrary

public int loadLibrary(java.lang.String soName,
              int loadFlags)
                throws java.io.IOException

Description copied from class: SoSource

Load a shared library library into this process. This routine is independent of SoSource.loadLibrary(java.lang.String, int).

Specified by:

loadLibrary in class SoSource

Parameters:

soName - Name of library to load

Returns:

One of the LOAD_RESULT_XXX constants.

Throws:

java.io.IOException

unpackLibrary

public java.io.File unpackLibrary(java.lang.String soName)
                           throws java.io.IOException

Description copied from class: SoSource

Ensure that a shared library exists on disk somewhere. This routine is independent of SoSource.loadLibrary(java.lang.String, int).

Specified by:

unpackLibrary in class SoSource

Parameters:

soName - Name of library to load

Returns:

File if library found; null if not.

Throws:

java.io.IOException