diff options
Diffstat (limited to 'netx/net/sourceforge/jnlp/cache/CacheDirectory.java')
-rw-r--r-- | netx/net/sourceforge/jnlp/cache/CacheDirectory.java | 111 |
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 new file mode 100644 index 0000000..9468ba2 --- /dev/null +++ b/netx/net/sourceforge/jnlp/cache/CacheDirectory.java @@ -0,0 +1,111 @@ +/* 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); + } + } +} |