001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *  http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing,
013     * software distributed under the License is distributed on an
014     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015     * KIND, either express or implied.  See the License for the
016     * specific language governing permissions and limitations
017     * under the License.
018     */
019    
020    package org.apache.geronimo.genesis.dependency;
021    
022    import java.util.Stack;
023    import java.util.Map;
024    import java.util.HashMap;
025    import java.util.Collection;
026    import java.util.List;
027    import java.util.ArrayList;
028    
029    import org.apache.maven.artifact.Artifact;
030    
031    /**
032     * ???
033     *
034     * @version $Rev: 480396 $ $Date: 2006-11-28 20:32:42 -0800 (Tue, 28 Nov 2006) $
035     */
036    public class DependencyTree
037    {
038        Map artifacts = new HashMap();
039    
040        Node rootNode;
041    
042        public Collection getArtifacts() {
043            return artifacts.values();
044        }
045    
046        public Node getRootNode() {
047            return rootNode;
048        }
049    
050        public void setRootNode(Node rootNode) {
051            this.rootNode = rootNode;
052        }
053    
054        //
055        // Node
056        //
057    
058        public static class Node
059        {
060            Node parent;
061    
062            List children = new ArrayList();
063    
064            Artifact artifact;
065    
066            int depth;
067    
068            public List getChildren() {
069                return children;
070            }
071    
072            public Artifact getArtifact() {
073                return artifact;
074            }
075    
076            public int getDepth() {
077                return depth;
078            }
079    
080            public String toString() {
081                return "DependencyTree$Node: " + artifact + "(" + depth + ")";
082            }
083        }
084    }