com.sptci.echo.tree.filesystem
Class FileSystemTreeNode

java.lang.Object
  echopoint.tree.DefaultMutableTreeNode<M>
      com.sptci.echo.tree.TreeNode<File>
          com.sptci.echo.tree.filesystem.FileSystemTreeNode

All Implemented Interfaces:

MutableTreeNode<File>, TreeNode, Serializable

public class FileSystemTreeNode
extends TreeNode<File>

A tree node that represents a directory in the file system of the server on which the application is deployed.

© Copyright 2009 Sans Pareil Technologies, Inc.

Version:

$Id: FileSystemTreeNode.java 4858 2009-08-11 15:52:14Z rakesh $

Author:

Rakesh Vidyadharan 2009-06-14

See Also:

Serialized Form

Field Summary

Fields inherited from class com.sptci.echo.tree.TreeNode

initialised

Fields inherited from class echopoint.tree.DefaultMutableTreeNode

actionCommand, allowsChildren, children, EMPTY_ENUMERATION, parent, userObject

Constructor Summary

FileSystemTreeNode()
Default constructor.

FileSystemTreeNode(File model)
Create a tree node that represents the specified file.

FileSystemTreeNode(File model, boolean allowsChildren)
Create a tree node that represents the specified file and that allows children based on the value specified.

Method Summary

protected void	createChildren() Create child nodes that represent the directories under the current directory.
int	getChildCount() Over-ridden to lazily initialise the child nodes and return the count.
boolean	isLeaf() Over-ridden to check whether the contents of the directory is readable or not.
String	toString() Over-ridden to return just the name of the directory.

Methods inherited from class echopoint.tree.DefaultMutableTreeNode

add, breadthFirstEnumeration, children, depthFirstEnumeration, getActionCommand, getAllowsChildren, getChildAfter, getChildAt, getChildBefore, getDepth, getFirstChild, getFirstLeaf, getIndex, getLastChild, getLastLeaf, getLeafCount, getLevel, getNextLeaf, getNextNode, getNextSibling, getParent, getPath, getPathToRoot, getPreviousLeaf, getPreviousNode, getPreviousSibling, getRoot, getSharedAncestor, getSiblingCount, getUserObject, getUserObjectPath, insert, isNodeAncestor, isNodeChild, isNodeDescendant, isNodeRelated, isNodeSibling, isRoot, pathFromAncestorEnumeration, postorderEnumeration, preorderEnumeration, remove, remove, removeAllChildren, removeFromParent, setActionCommand, setAllowsChildren, setParent, setUserObject

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FileSystemTreeNode

public FileSystemTreeNode()

Default constructor. No special actions required.

FileSystemTreeNode

public FileSystemTreeNode(File model)

Create a tree node that represents the specified file.

Parameters:

model - The file (usually directory) that is being represented on the tree.

FileSystemTreeNode

public FileSystemTreeNode(File model,
                          boolean allowsChildren)

Create a tree node that represents the specified file and that allows children based on the value specified.

Parameters:

model - The file (usually directory) that is being displayed on the tree.

allowsChildren - Flag that indicates whether the node allows children.

Method Detail

isLeaf

public boolean isLeaf()

Over-ridden to check whether the contents of the directory is readable or not.

Specified by:

isLeaf in interface TreeNode

Overrides:

isLeaf in class TreeNode<File>

Returns:

false if the directory is readable.

getChildCount

public int getChildCount()

Over-ridden to lazily initialise the child nodes and return the count.

Specified by:

getChildCount in interface TreeNode

Overrides:

getChildCount in class DefaultMutableTreeNode<File>

Returns:

The child count after initialising the children.

toString

public String toString()

Over-ridden to return just the name of the directory.

Overrides:

toString in class DefaultMutableTreeNode<File>

createChildren

protected void createChildren()

Create child nodes that represent the directories under the current directory.