1 files changed, 111 insertions, 0 deletions
diff --git a/netx/net/sourceforge/jnlp/cache/CacheDirectory.java b/netx/net/sourceforge/jnlp/cache/CacheDirectory.java
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+++ b/netx/net/sourceforge/jnlp/cache/CacheDirectory.java
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+/* CacheDirectory.java -- Traverse the given directory and return the leafs.
+   Copyright (C) 2010 Red Hat, Inc.
+
+This file is part of IcedTea.
+
+IcedTea is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 2.
+
+IcedTea is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with IcedTea; see the file COPYING.  If not, write to
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.
+*/
+package net.sourceforge.jnlp.cache;
+
+import java.io.File;
+import java.util.ArrayList;
+
+public class CacheDirectory {
+    /**
+     * Get the structure of directory for keeping track of the protocol and
+     * domain.
+     * 
+     * @param root Location of cache directory.
+     */
+    public static void getDirStructure(DirectoryNode root) {
+        for (File f : root.getFile().listFiles()) {
+            DirectoryNode node = new DirectoryNode(f.getName(), f, root);
+            if (f.isDirectory() || (!f.isDirectory() && !f.getName().endsWith(".info")))
+                root.addChild(node);
+            if (f.isDirectory())
+                getDirStructure(node);
+        }
+    }
+
+    /**
+     * Get all the leaf nodes.
+     * 
+     * @param root The point where we want to start getting the leafs.
+     * @return An ArrayList of DirectoryNode.
+     */
+    public static ArrayList<DirectoryNode> getLeafData(DirectoryNode root) {
+        ArrayList<DirectoryNode> temp = new ArrayList<DirectoryNode>();
+        for (DirectoryNode f : root.getChildren()) {
+            if (f.isDir())
+                temp.addAll(getLeafData(f));
+            else if (!f.getName().endsWith(".info"))
+                temp.add(f);
+        }
+        return temp;
+    }
+
+    /**
+     * Removes empty folders in the current directory.
+     * 
+     * @param root File pointing at the beginning of directory.
+     * @return True if something was deleted.
+     */
+    public static boolean cleanDir(File root) {
+        boolean delete = true;
+        for (File f : root.listFiles()) {
+            if (f.isDirectory())
+                cleanDir(f);
+            else
+                delete = false;
+        }
+        if (delete)
+            System.out.println("Delete -- " + root);
+        //            root.delete();
+        return true;
+    }
+
+    /**
+     * This will recursively remove the parent folders if they are empty. 
+     * 
+     * @param fileNode
+     */
+    public static void cleanParent(DirectoryNode fileNode) {
+        DirectoryNode parent = fileNode.getParent();
+        if (parent.getParent() == null)
+            return; // Don't delete the root.
+        if (parent.getChildren().size() == 0) {
+            parent.getFile().delete();
+            parent.getParent().removeChild(parent);
+            cleanParent(parent);
+        }
+    }
+}