gt:                         NodeList nl2 = el.getChildNodes();
context: /*
   * To change this license header, choose License Headers in Project Properties.
   * To change this template file, choose Tools | Templates
   * and open the template in the editor.
   */
  package com.koltem.verilogprojecttype.templates;
  
  import java.awt.Component;
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import java.text.MessageFormat;
  import java.util.Enumeration;
  import java.util.LinkedHashSet;
  import java.util.NoSuchElementException;
  import java.util.Set;
  import java.util.zip.ZipEntry;
  import java.util.zip.ZipInputStream;
  import javax.swing.JComponent;
  import javax.swing.event.ChangeListener;
  import org.netbeans.api.project.ProjectManager;
  import org.netbeans.api.templates.TemplateRegistration;
  import org.netbeans.spi.project.ui.support.ProjectChooser;
  import org.netbeans.spi.project.ui.templates.support.Templates;
  import org.openide.WizardDescriptor;
  import org.openide.filesystems.FileObject;
  import org.openide.filesystems.FileUtil;
  import org.openide.util.Exceptions;
  import org.openide.util.NbBundle;
  import org.openide.util.NbBundle.Messages;
  import org.openide.xml.XMLUtil;
  import org.w3c.dom.Document;
  import org.w3c.dom.Element;
  import org.w3c.dom.NodeList;
  import org.xml.sax.InputSource;
  
  // TODO define position attribute
  @TemplateRegistration(folder = "Project/Import", displayName = "#VerilogDesign_displayName", description = "VerilogDesignDescription.html", iconBase = "com/koltem/verilogprojecttype/templates/VerilogDesign.png", content = "VerilogDesignProject.zip")
  @Messages("VerilogDesign_displayName=Verilog Design")
  public class VerilogDesignWizardIterator implements WizardDescriptor./*Progress*/InstantiatingIterator {
  
      private int index;
      private WizardDescriptor.Panel[] panels;
      private WizardDescriptor wiz;
  
      public VerilogDesignWizardIterator() {
      }
  
      public static VerilogDesignWizardIterator createIterator() {
          return new VerilogDesignWizardIterator();
      }
  
      private WizardDescriptor.Panel[] createPanels() {
          return new WizardDescriptor.Panel[]{
              new VerilogDesignWizardPanel(),};
      }
  
      private String[] createSteps() {
          return new String[]{
              NbBundle.getMessage(VerilogDesignWizardIterator.class, "LBL_CreateProjectStep")
          };
      }
  
      public Set/*<FileObject>*/ instantiate(/*ProgressHandle handle*/) throws IOException {
          Set<FileObject> resultSet = new LinkedHashSet<FileObject>();
          File dirF = FileUtil.normalizeFile((File) wiz.getProperty("projdir"));
          dirF.mkdirs();
  
          FileObject template = Templates.getTemplate(wiz);
          FileObject dir = FileUtil.toFileObject(dirF);
          unZipFile(template.getInputStream(), dir);
  
          // Always open top dir as a project:
          resultSet.add(dir);
          // Look for nested projects to open as well:
          Enumeration<? extends FileObject> e = dir.getFolders(true);
          while (e.hasMoreElements()) {
              FileObject subfolder = e.nextElement();
              if (ProjectManager.getDefault().isProject(subfolder)) {
                  resultSet.add(subfolder);
              }
          }
  
          File parent = dirF.getParentFile();
          if (parent != null && parent.exists()) {
              ProjectChooser.setProjectsFolder(parent);
          }
  
          return resultSet;
      }
  
      public void initialize(WizardDescriptor wiz) {
          this.wiz = wiz;
          index = 0;
          panels = createPanels();
          // Make sure list of steps is accurate.
          String[] steps = createSteps();
          for (int i = 0; i < panels.length; i++) {
              Component c = panels[i].getComponent();
              if (steps[i] == null) {
                  // Default step name to component name of panel.
                  // Mainly useful for getting the name of the target
                  // chooser to appear in the list of steps.
                  steps[i] = c.getName();
              }
              if (c instanceof JComponent) { // assume Swing components
                  JComponent jc = (JComponent) c;
                  // Step #.
                  // TODO if using org.openide.dialogs >= 7.8, can use WizardDescriptor.PROP_*:
                  jc.putClientProperty("WizardPanel_contentSelectedIndex", new Integer(i));
                  // Step name (actually the whole list for reference).
                  jc.putClientProperty("WizardPanel_contentData", steps);
              }
          }
      }
  
      public void uninitialize(WizardDescriptor wiz) {
          this.wiz.putProperty("projdir", null);
          this.wiz.putProperty("name", null);
          this.wiz = null;
          panels = null;
      }
  
      public String name() {
          return MessageFormat.format("{0} of {1}",
                  new Object[]{new Integer(index + 1), new Integer(panels.length)});
      }
  
      public boolean hasNext() {
          return index < panels.length - 1;
      }
  
      public boolean hasPrevious() {
          return index > 0;
      }
  
      public void nextPanel() {
          if (!hasNext()) {
              throw new NoSuchElementException();
          }
          index++;
      }
  
      public void previousPanel() {
          if (!hasPrevious()) {
              throw new NoSuchElementException();
          }
          index--;
      }
  
      public WizardDescriptor.Panel current() {
          return panels[index];
      }
  
      // If nothing unusual changes in the middle of the wizard, simply:
      public final void addChangeListener(ChangeListener l) {
      }
  
      public final void removeChangeListener(ChangeListener l) {
      }
  
      private static void unZipFile(InputStream source, FileObject projectRoot) throws IOException {
          try {
              ZipInputStream str = new ZipInputStream(source);
              ZipEntry entry;
              while ((entry = str.getNextEntry()) != null) {
                  if (entry.isDirectory()) {
                      FileUtil.createFolder(projectRoot, entry.getName());
                  } else {
                      FileObject fo = FileUtil.createData(projectRoot, entry.getName());
                      if ("nbproject/project.xml".equals(entry.getName())) {
                          // Special handling for setting name of Ant-based projects; customize as needed:
                          filterProjectXML(fo, str, projectRoot.getName());
                      } else {
                          writeFile(str, fo);
                      }
                  }
              }
          } finally {
              source.close();
          }
      }
  
      private static void writeFile(ZipInputStream str, FileObject fo) throws IOException {
          OutputStream out = fo.getOutputStream();
          try {
              FileUtil.copy(str, out);
          } finally {
              out.close();
          }
      }
  
      private static void filterProjectXML(FileObject fo, ZipInputStream str, String name) throws IOException {
          try {
              ByteArrayOutputStream baos = new ByteArrayOutputStream();
              FileUtil.copy(str, baos);
              Document doc = XMLUtil.parse(new InputSource(new ByteArrayInputStream(baos.toByteArray())), false, false, null, null);
              NodeList nl = doc.getDocumentElement().getElementsByTagName("name");
              if (nl != null) {
                  for (int i = 0; i < nl.getLength(); i++) {
                      Element el = (Element) nl.item(i);
                      if (el.getParentNode() != null && "data".equals(el.getParentNode().getNodeName())) {
  