| package org.apache.maven.shared.dependency.tree; |
| |
| /* |
| * 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.Iterator; |
| import java.util.List; |
| |
| import org.apache.maven.artifact.Artifact; |
| |
| /** |
| * Represents an artifact node within a Maven project's dependency tree. |
| * |
| * @author Edwin Punzalan |
| * @author <a href="mailto:markhobson@gmail.com">Mark Hobson</a> |
| * @version $Id$ |
| * @see DependencyTree |
| */ |
| public class DependencyNode |
| { |
| // fields ----------------------------------------------------------------- |
| |
| DependencyNode parent; |
| |
| Artifact artifact; |
| |
| int depth; |
| |
| List children; |
| |
| // constructors ----------------------------------------------------------- |
| |
| DependencyNode() |
| { |
| children = new ArrayList(); |
| } |
| |
| // public methods --------------------------------------------------------- |
| |
| public DependencyNode getParent() |
| { |
| return parent; |
| } |
| |
| public Artifact getArtifact() |
| { |
| return artifact; |
| } |
| |
| public int getDepth() |
| { |
| return depth; |
| } |
| |
| public List getChildren() |
| { |
| return children; |
| } |
| |
| public String toString() |
| { |
| return toString( 0 ); |
| } |
| |
| public String toString( int indentDepth ) |
| { |
| StringBuffer sb = new StringBuffer(); |
| |
| for ( int i = 0; i < indentDepth; i++ ) |
| { |
| sb.append( " " ); |
| } |
| |
| sb.append( artifact == null ? null : artifact.toString() ); |
| sb.append( "\n" ); |
| |
| if ( getChildren() != null ) |
| { |
| for ( Iterator it = getChildren().iterator(); it.hasNext(); ) |
| { |
| DependencyNode dependencyNode = (DependencyNode) it.next(); |
| sb.append( dependencyNode.toString( indentDepth + 2 ) ); |
| } |
| } |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * @see #preorderIterator() |
| */ |
| public Iterator iterator() |
| { |
| return preorderIterator(); |
| } |
| |
| /** |
| * @see DependencyTreePreorderIterator |
| */ |
| public Iterator preorderIterator() |
| { |
| return new DependencyTreePreorderIterator( this ); |
| } |
| |
| /** |
| * @see DependencyTreeInverseIterator |
| */ |
| public Iterator inverseIterator() |
| { |
| return new DependencyTreeInverseIterator( this ); |
| } |
| |
| } |