Author: niallp
Date: Fri Nov 28 21:05:59 2008
New Revision: 721635
URL: http://svn.apache.org/viewvc?rev=721635&view=rev
Log:
IO-176 Add a callback method for filtering directory contents - requested by
David Felsenthal
Modified:
commons/proper/io/trunk/src/java/org/apache/commons/io/DirectoryWalker.java
Modified:
commons/proper/io/trunk/src/java/org/apache/commons/io/DirectoryWalker.java
URL:
http://svn.apache.org/viewvc/commons/proper/io/trunk/src/java/org/apache/commons/io/DirectoryWalker.java?rev=721635&r1=721634&r2=721635&view=diff
==============================================================================
--- commons/proper/io/trunk/src/java/org/apache/commons/io/DirectoryWalker.java
(original)
+++ commons/proper/io/trunk/src/java/org/apache/commons/io/DirectoryWalker.java
Fri Nov 28 21:05:59 2008
@@ -355,6 +355,7 @@
if (depthLimit < 0 || childDepth <= depthLimit) {
checkIfCancelled(directory, depth, results);
File[] childFiles = (filter == null ? directory.listFiles() :
directory.listFiles(filter));
+ childFiles = filterDirectoryContents(directory, depth,
childFiles);
if (childFiles == null) {
handleRestricted(directory, childDepth, results);
} else {
@@ -505,6 +506,20 @@
}
/**
+ * Overridable callback method invoked with the contents of each directory.
+ * <p>
+ * This implementation returns the files unchanged
+ *
+ * @param directory the current directory being processed
+ * @param depth the current directory level (starting directory = 0)
+ * @param files the files (possibly filtered) in the directory
+ * @throws IOException if an I/O Error occurs
+ */
+ protected File[] filterDirectoryContents(File directory, int depth, File[]
files) throws IOException {
+ return files;
+ }
+
+ /**
* Overridable callback method invoked for each (non-directory) file.
* <p>
* This implementation does nothing.
