com.antelmann.net
Class URLNode

java.lang.Object
  com.antelmann.net.URLNode

All Implemented Interfaces:

Serializable, TreeNode

public class URLNode
extends Object
implements TreeNode, Serializable

URLNode wrapps a URL and places it into a URLTree, which determines how the URLNode calculates its children.

Author:

Holger Antelmann

See Also:

URLTree, Serialized Form

Constructor Summary

URLNode(URLCache uc, URLNode parent, URLTree tree)

URLNode(URL url, URLNode parent, URLTree tree)

Method Summary

Enumeration<URLNode>	children()
void	collapse() reverses the effect of expand()
void	expand() makes this node expand beyond the crawler rules of the associated URLTree
boolean	getAllowsChildren()
TreeNode	getChildAt(int childIndex)
int	getChildCount()
int	getIndex(TreeNode node)
TreeNode	getParent()
URL	getURL()
URLCache	getURLCache()
boolean	isLeaf()
void	refresh() refreshes the cached URL content and recursively all children
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

URLNode

public URLNode(URL url,
               URLNode parent,
               URLTree tree)

URLNode

public URLNode(URLCache uc,
               URLNode parent,
               URLTree tree)

Method Detail

children

public Enumeration<URLNode> children()

Specified by:

children in interface TreeNode

getAllowsChildren

public boolean getAllowsChildren()

Specified by:

getAllowsChildren in interface TreeNode

getChildAt

public TreeNode getChildAt(int childIndex)

Specified by:

getChildAt in interface TreeNode

getChildCount

public int getChildCount()

Specified by:

getChildCount in interface TreeNode

getIndex

public int getIndex(TreeNode node)

Specified by:

getIndex in interface TreeNode

getParent

public TreeNode getParent()

Specified by:

getParent in interface TreeNode

isLeaf

public boolean isLeaf()

Specified by:

isLeaf in interface TreeNode

toString

public String toString()

Overrides:

toString in class Object

refresh

public void refresh()

refreshes the cached URL content and recursively all children

expand

public void expand()

makes this node expand beyond the crawler rules of the associated URLTree

collapse

public void collapse()

reverses the effect of expand()

getURLCache

public URLCache getURLCache()

getURL

public URL getURL()