org.sonatype.aether.util.graph
Class FilteringDependencyVisitor

java.lang.Object
  org.sonatype.aether.util.graph.FilteringDependencyVisitor

All Implemented Interfaces:

DependencyVisitor

public class FilteringDependencyVisitor
extends Object
implements DependencyVisitor

A dependency visitor that delegates to another visitor if nodes match a filter. Note that in case of a mismatching node, the children of that node are still visisted and presented to the filter.

Author:

Benjamin Bentmann

Constructor Summary

FilteringDependencyVisitor(DependencyVisitor visitor, DependencyFilter filter)
Creates a new visitor that delegates traversal of nodes matching the given filter to the specified visitor.

Method Summary

DependencyFilter	getFilter() Gets the filter being applied before delegation.
DependencyVisitor	getVisitor() Gets the visitor to which this visitor delegates to.
boolean	visitEnter(DependencyNode node)
boolean	visitLeave(DependencyNode node)

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteringDependencyVisitor

public FilteringDependencyVisitor(DependencyVisitor visitor,
                                  DependencyFilter filter)

Creates a new visitor that delegates traversal of nodes matching the given filter to the specified visitor.

Parameters:

visitor - The visitor to delegate to, must not be null.

filter - The filter to apply, may be null to not filter.

Method Detail

getVisitor

public DependencyVisitor getVisitor()

Gets the visitor to which this visitor delegates to.

Returns:

The visitor being delegated to, never null.

getFilter

public DependencyFilter getFilter()

Gets the filter being applied before delegation.

Returns:

The filter being applied or null if none.

visitEnter

public boolean visitEnter(DependencyNode node)

Specified by:

visitEnter in interface DependencyVisitor

visitLeave

public boolean visitLeave(DependencyNode node)

Specified by:

visitLeave in interface DependencyVisitor