com.swoval.files

Class FileTreeDataViews

java.lang.Object

com.swoval.files.FileTreeDataViews

public class FileTreeDataViews
extends java.lang.Object

Provides functional interfaces for processing and managing instances of FileTreeDataView.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FileTreeDataViews.CacheObserver<T> Provides callbacks to run when different types of file events are detected by the cache.
static interface	FileTreeDataViews.Converter<R> Converts a Path into an arbitrary value to be cached.
static interface	FileTreeDataViews.Entry<T> Container class for CachedDirectoryImpl entries.
static interface	FileTreeDataViews.ObservableCache<T> A file tree cache that can be monitored for events.

Method Summary

Modifier and Type	Method and Description
static <T> com.swoval.files.DirectoryDataView<T>	cached(java.nio.file.Path path, FileTreeDataViews.Converter<T> converter, int depth, boolean followLinks) Make a new DirectoryView that caches the file tree but has no data value associated with each value.

Methods inherited from class java.lang.Object

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

Method Detail

cached

public static <T> com.swoval.files.DirectoryDataView<T> cached(java.nio.file.Path path,
                                                               FileTreeDataViews.Converter<T> converter,
                                                               int depth,
                                                               boolean followLinks)
                                                        throws java.io.IOException

Make a new DirectoryView that caches the file tree but has no data value associated with each value.

Type Parameters:

T - the data type for this view

Parameters:

path - the path to monitor

converter - computes the data value for each path found in the directory

depth - sets how the limit for how deep to traverse the children of this directory

followLinks - sets whether or not to treat symbolic links whose targets as directories or files

Returns:

a directory whose entries just contain the path itself.

Throws:

java.io.IOException - when an error is encountered traversing the directory.