com.facebook.buck.util

Class DefaultFilteredDirectoryCopier

java.lang.Object

com.facebook.buck.util.DefaultFilteredDirectoryCopier

All Implemented Interfaces:

FilteredDirectoryCopier

public class DefaultFilteredDirectoryCopier
extends Object
implements FilteredDirectoryCopier

This class allows the creation of copies of multiple directories, while filtering out files which do not match a specified predicate.

Current caveats:

• Existing content in destination directories is deleted.
• Empty directories will not be created.

Method Summary

Modifier and Type	Method and Description
void	copyDir(ProjectFilesystem filesystem, Path srcDir, Path destDir, java.util.function.Predicate<Path> pred) Creates a filtered copy of a directory.
void	copyDirs(ProjectFilesystem filesystem, Map<Path,Path> sourcesToDestinations, java.util.function.Predicate<Path> pred) Copies multiple directories while filtering out individual files which fail a predicate.
static DefaultFilteredDirectoryCopier	getInstance()

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static DefaultFilteredDirectoryCopier getInstance()

copyDirs

public void copyDirs(ProjectFilesystem filesystem,
                     Map<Path,Path> sourcesToDestinations,
                     java.util.function.Predicate<Path> pred)
              throws IOException

Description copied from interface: FilteredDirectoryCopier

Copies multiple directories while filtering out individual files which fail a predicate.

Specified by:

copyDirs in interface FilteredDirectoryCopier

sourcesToDestinations - mapping from source to destination directories

pred - predicate to test against

Throws:

IOException

copyDir

public void copyDir(ProjectFilesystem filesystem,
                    Path srcDir,
                    Path destDir,
                    java.util.function.Predicate<Path> pred)
             throws IOException

Description copied from interface: FilteredDirectoryCopier

Creates a filtered copy of a directory.

Specified by:

copyDir in interface FilteredDirectoryCopier

srcDir - source directory

destDir - destination directory

pred - a predicate to determine which files should be copied.

Throws:

IOException