org.apache.commons.configuration
Class HierarchicalConfiguration.DefinedKeysVisitor

java.lang.Object
  org.apache.commons.configuration.HierarchicalConfiguration.NodeVisitor
      org.apache.commons.configuration.HierarchicalConfiguration.DefinedKeysVisitor

Enclosing class:

HierarchicalConfiguration

static class HierarchicalConfiguration.DefinedKeysVisitor

extends HierarchicalConfiguration.NodeVisitor

A specialized visitor that fills a list with keys that are defined in a node hierarchy.

Author:

Oliver Heger

Field Summary

private java.util.Set

keyList Stores the list to be filled.

Constructor Summary

HierarchicalConfiguration.DefinedKeysVisitor()
Default constructor.

Method Summary

java.util.Set	getKeyList() Returns the list with all defined keys.
void	visitBeforeChildren(HierarchicalConfiguration.Node node, ConfigurationKey key) Visits the specified node.

Methods inherited from class org.apache.commons.configuration.HierarchicalConfiguration.NodeVisitor

terminate, visitAfterChildren

Methods inherited from class java.lang.Object

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

Field Detail

keyList

private java.util.Set keyList

Stores the list to be filled.

Constructor Detail

HierarchicalConfiguration.DefinedKeysVisitor

public HierarchicalConfiguration.DefinedKeysVisitor()

Default constructor.

Method Detail

getKeyList

public java.util.Set getKeyList()

Returns the list with all defined keys.

Returns:

the list with the defined keys

visitBeforeChildren

public void visitBeforeChildren(HierarchicalConfiguration.Node node,
                                ConfigurationKey key)

Visits the specified node. If this node has a value, its key is added to the internal list.

Overrides:

visitBeforeChildren in class HierarchicalConfiguration.NodeVisitor

Parameters:

node - the node to be visited

key - the key of this node