com.redhat.rhn.frontend.nav

Class NavTreeIndex

java.lang.Object

com.redhat.rhn.frontend.nav.NavTreeIndex

public class NavTreeIndex
extends java.lang.Object

NavTreeIndex

Constructor Summary

Constructors

Constructor and Description
NavTreeIndex(NavTree treeIn) Public constructor

Method Summary

Modifier and Type	Method and Description
java.lang.String	computeActiveNodes(java.lang.String url, java.lang.String lastActive) Given a URL, compute the active nodes for the URL, altering the state of the class.
NavNode	getBestNode() get the "best" node of that this index indexes.
NavTree	getTree() get the tree of that this index indexes
boolean	isNodeActive(NavNode node) simple method to ask if a given node is in the active set
static java.lang.String[]	splitUrlPrefixes(java.lang.String urlIn) Splits the given url string at the /.

Methods inherited from class java.lang.Object

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

Constructor Detail

NavTreeIndex

public NavTreeIndex(NavTree treeIn)

Public constructor

Parameters:

treeIn - the tree to index

Method Detail

getTree

public NavTree getTree()

get the tree of that this index indexes

Returns:

NavTree the tree in question

getBestNode

public NavNode getBestNode()

get the "best" node of that this index indexes. "best" is defined as the single node most fitting the request as passed into computeActiveNodes.

Returns:

NavNode the best node

splitUrlPrefixes

public static java.lang.String[] splitUrlPrefixes(java.lang.String urlIn)

Splits the given url string at the /. Returns the parts in an array. For example, given "/network/users/details" this method will return {"/network", "/users", "/details"}

Parameters:

urlIn - url string to be split.

Returns:

the parts in an array.

computeActiveNodes

public java.lang.String computeActiveNodes(java.lang.String url,
                                           java.lang.String lastActive)

Given a URL, compute the active nodes for the URL, altering the state of the class. Pass in the most recently Active URL to be used as a fallback if necessary.

Parameters:

url - string of form /foo/bar/baz

lastActive - the last computed ActiveNode URL

Returns:

String the URL computed

isNodeActive

public boolean isNodeActive(NavNode node)

simple method to ask if a given node is in the active set

Parameters:

node - to test

Returns:

boolean if the node is active or not