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+/* DirectoryNode.java -- Structure for maintaining the cache directory tree.
+ 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 DirectoryNode {
+ private String name;
+ private File path;
+ private ArrayList<DirectoryNode> childNodes;
+ private DirectoryNode parent = null;
+ private File infoFile;
+
+ /**
+ * Create a new instance of DirectoryNode.
+ *
+ * @param name Name representing this node.
+ * @param absPathToNode Absolute path to this node given as a String.
+ * @param parent The parent node.
+ */
+ public DirectoryNode(String name, String absPathToNode, DirectoryNode parent) {
+ this(name, new File(absPathToNode), parent);
+ }
+
+ /**
+ * Create a new instance of DirectoryNode.
+ *
+ * @param name Name representing this node.
+ * @param absPathToNode Absolute path to this node as a File.
+ * @param parent The parent node.
+ */
+ public DirectoryNode(String name, File absPathToNode, DirectoryNode parent) {
+ this(name, absPathToNode, null, parent);
+ }
+
+ /**
+ * Create a new instance of DirectoryNode.
+ *
+ * @param name Name representing this node.
+ * @param absPathToNode Absolute path to this node given as a File.
+ * @param childNodes List of children nodes.
+ * @param parent The parent node.
+ */
+ public DirectoryNode(String name, File absPathToNode, ArrayList<DirectoryNode> childNodes, DirectoryNode parent) {
+ this.name = name;
+ this.path = absPathToNode;
+ this.childNodes = childNodes;
+ if (this.childNodes == null)
+ this.childNodes = new ArrayList<DirectoryNode>();
+ this.parent = parent;
+ if (!isDir())
+ this.infoFile = new File(this.getFile().getAbsolutePath().concat(".info"));
+ }
+
+ /**
+ * Append the given node to the list of child nodes.
+ *
+ * @param node Node to be appended.
+ */
+ public void addChild(DirectoryNode node) {
+ try {
+ childNodes.add(node);
+ } catch (NullPointerException e) {
+ this.childNodes = new ArrayList<DirectoryNode>();
+ this.childNodes.add(node);
+ }
+ }
+
+ /**
+ * Removes the node specified.
+ *
+ * @param node Node to be removed from the list of children
+ * @return true if this list of children contained the specified element
+ */
+ public boolean removeChild(DirectoryNode node) {
+ return this.childNodes.remove(node);
+ }
+
+ /**
+ * Retrieve the name of this node.
+ *
+ * @return Name of this node.
+ */
+ public String getName() {
+ return this.name;
+ }
+
+ public String toString() {
+ return this.name;
+ }
+
+ /**
+ * Retrieve the file associated with this node.
+ *
+ * @return File that is associated with this node.
+ */
+ public File getFile() {
+ return path;
+ }
+
+ /**
+ * Retrieve the parent node.
+ *
+ * @return DirectoryNode representing the parent of the current node.
+ */
+ public DirectoryNode getParent() {
+ return parent;
+ }
+
+ /**
+ * Retrieves the list of child nodes.
+ *
+ * @return ArrayList of type DirectoryNode containing all the child nodes.
+ */
+ public ArrayList<DirectoryNode> getChildren() {
+ return this.childNodes;
+ }
+
+ /**
+ * Check if this node is a directory.
+ *
+ * @return True if node is directory.
+ */
+ public boolean isDir() {
+ return path.isDirectory();
+ }
+
+ public File getInfoFile() {
+ return this.infoFile;
+ }
+
+}