Java JTree Path findOrAddNode(JTree tree, TreePath parent, String packageName)

Description

find Or Add Node

License

Apache License

Declaration

public static DefaultMutableTreeNode findOrAddNode(JTree tree, TreePath parent, String packageName) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;

import javax.swing.tree.TreePath;
import java.util.Enumeration;

public class Main {

    public static DefaultMutableTreeNode findOrAddNode(JTree tree, TreePath parent, String packageName) {
        final DefaultMutableTreeNode node = (DefaultMutableTreeNode) parent.getLastPathComponent();

        for (final Enumeration e = node.children(); e.hasMoreElements();) {
            final DefaultMutableTreeNode n = (DefaultMutableTreeNode) e.nextElement();
            if (packageName.equals(n.toString()))
                return n;
        }// w  ww. j  a  v  a 2s . c  o m

        final DefaultMutableTreeNode nodeCls = new DefaultMutableTreeNode(packageName);
        node.add(nodeCls);
        return nodeCls;
    }
}

Related

1. checkNode(TreePath path)
2. createTreePath(TreeNode treeNode)
3. createTreePathFromTreeNode(TreeNode treeNode)
4. doNode(JTree tree, TreeNode parentNode, TreePath parentPath)
5. find2(JTree tree, TreePath parent, Object[] nodes, int depth, boolean byName)
6. findTreePath(TreePath path, TreeNode node, String pathName)
7. findV2MetaTreeNode( String nodeXmlPath)
8. getDepth(JTree tree)
9. getExpatnedTreePaths(JTree tree)