diff options
| author | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
|---|---|---|
| committer | Sven Eisenhauer <sven@sven-eisenhauer.net> | 2023-11-10 15:11:48 +0100 |
| commit | 33613a85afc4b1481367fbe92a17ee59c240250b (patch) | |
| tree | 670b842326116b376b505ec2263878912fca97e2 /Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java | |
| download | Studium-master.tar.gz Studium-master.tar.bz2 | |
Diffstat (limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java')
| -rw-r--r-- | Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java new file mode 100644 index 0000000..fba2e38 --- /dev/null +++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing2105.java @@ -0,0 +1,46 @@ +/* Listing2105.java */
+
+import java.io.*;
+
+public class Listing2105
+{
+ static void traverse(File dir, DirectoryVisitor visitor)
+ {
+ if (!dir.isDirectory()) {
+ throw new IllegalArgumentException(
+ "not a directory: " + dir.getName()
+ );
+ }
+ visitor.enterDirectory(dir);
+ File[] entries = dir.listFiles(
+ new FileFilter()
+ {
+ public boolean accept(File pathname)
+ {
+ return true;
+ }
+ }
+ );
+ for (int i = 0; i < entries.length; ++i) {
+ if (entries[i].isDirectory()) {
+ traverse(entries[i], visitor);
+ } else {
+ visitor.visitFile(entries[i]);
+ }
+ }
+ visitor.leaveDirectory(dir);
+ }
+
+ public static void main(String[] args)
+ {
+ File file = new File(args[0]);
+ //Bildschirmausgabe der Struktur
+ traverse(file, new DirectoryPrintVisitor());
+ //Größen ermitteln
+ DirectorySizeVisitor visitor = new DirectorySizeVisitor();
+ traverse(file, visitor);
+ System.out.println("directories: " + visitor.getDirs());
+ System.out.println("files: " + visitor.getFiles());
+ System.out.println("size: " + visitor.getSize());
+ }
+}
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