| package org.apache.maven.shared.dependency.tree.traversal; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.maven.shared.dependency.tree.DependencyNode; |
| |
| /** |
| * A dependency node visitor that collects visited nodes for further processing. |
| * |
| * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> |
| * @version $Id: CollectingDependencyNodeVisitor.java 661727 2008-05-30 14:21:49Z bentmann $ |
| * @since 1.1 |
| */ |
| public class CollectingDependencyNodeVisitor implements DependencyNodeVisitor |
| { |
| // fields ----------------------------------------------------------------- |
| |
| /** |
| * The collected list of nodes. |
| */ |
| private final List nodes; |
| |
| // constructors ----------------------------------------------------------- |
| |
| /** |
| * Creates a dependency node visitor that collects visited nodes for further processing. |
| */ |
| public CollectingDependencyNodeVisitor() |
| { |
| nodes = new ArrayList(); |
| } |
| |
| // DependencyNodeVisitor methods ------------------------------------------ |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean visit( DependencyNode node ) |
| { |
| // collect node |
| nodes.add( node ); |
| |
| return true; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public boolean endVisit( DependencyNode node ) |
| { |
| return true; |
| } |
| |
| // public methods --------------------------------------------------------- |
| |
| /** |
| * Gets the list of collected dependency nodes. |
| * |
| * @return the list of collected dependency nodes |
| */ |
| public List getNodes() |
| { |
| return Collections.unmodifiableList( nodes ); |
| } |
| } |