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());
+  }
+}
+\ No newline at end of file