public static List<LicensedProject> getLicensedProjects() {
    final List<LicensedProject> result = new ArrayList<AboutDialog.LicensedProject>();
    final URL url = resourceManager.getUrl("licenses/dependency-licenses.csv");
    if (url == null) {
      throw new IllegalStateException("Could not find dependencies file");
    }
    try {
      DataContext dc = DataContextFactory.createCsvDataContext(url.openStream(), ',', '"');
      Table table = dc.getDefaultSchema().getTables()[0];
      Column projectColumn = table.getColumnByName("Project");
      Column websiteColumn = table.getColumnByName("Website");
      Column licenseColumn = table.getColumnByName("License");
      Query q =
          dc.query().from(table).select(table.getColumns()).orderBy(projectColumn).asc().toQuery();
      DataSet ds = dc.executeQuery(q);
      while (ds.next()) {
        final LicensedProject licensedProject = new LicensedProject();
        final Row row = ds.getRow();
        final String licenseName = row.getValue(licenseColumn).toString();

        licensedProject.name = row.getValue(projectColumn).toString();
        licensedProject.websiteUrl = row.getValue(websiteColumn).toString();
        licensedProject.license = getLicense(licenseName);

        result.add(licensedProject);
      }

    } catch (IOException e) {
      throw new IllegalStateException("Error occurred while reading dependencies file", e);
    }

    return result;
  }
  public static String getLicense(final String licenseName) {
    URL url = resourceManager.getUrl("licenses/" + licenseName + ".txt");
    if (url == null) {
      throw new IllegalArgumentException("Could not find license file for license: " + licenseName);
    }
    BufferedReader reader = null;
    try {
      reader =
          new BufferedReader(new InputStreamReader(url.openStream(), FileHelper.UTF_8_ENCODING));
      final StringBuilder sb = new StringBuilder();
      for (String line = reader.readLine(); line != null; line = reader.readLine()) {
        if (sb.length() != 0) {
          sb.append('\n');
        }
        sb.append(line);
      }

      return sb.toString();
    } catch (Exception e) {
      throw new IllegalStateException(
          "Error occurred while reading license file: " + licenseName, e);
    } finally {
      if (reader != null) {
        try {
          reader.close();
        } catch (IOException e) {
          // do nothing
        }
      }
    }
  }
 private String getInitialCode() {
   final String resourceName = "com/hi/datacleaner/ruby/SimpleRubyTransformerCode.rb";
   final URL url = ResourceManager.getInstance().getUrl(resourceName, getClass().getClassLoader());
   try {
     final InputStream in = url.openStream();
     try {
       final String code = FileHelper.readInputStreamAsString(in, "UTF8");
       return code;
     } finally {
       FileHelper.safeClose(in);
     }
   } catch (Exception e) {
     throw new IllegalStateException("Failed to read resource: " + resourceName, e);
   }
 }
/**
 * The "About" dialog of the DataCleaner application.
 *
 * @author Kasper Sørensen
 */
public class AboutDialog extends AbstractDialog {

  private static final long serialVersionUID = 1L;

  public static class LicensedProject {
    public String name;
    public String websiteUrl;
    public String license;
  }

  private static final ResourceManager resourceManager = ResourceManager.get();
  private static final ImageManager imageManager = ImageManager.get();

  public AboutDialog(WindowContext windowContext) {
    super(windowContext);
  }

  @Override
  public void toFront() {
    super.toFront();
  }

  @Override
  protected String getBannerTitle() {
    return "About DataCleaner";
  }

  @Override
  protected int getDialogWidth() {
    return 600;
  }

  @Override
  protected boolean isWindowResizable() {
    return true;
  }

  @Override
  protected JComponent getDialogContent() {
    CloseableTabbedPane tabbedPane = new CloseableTabbedPane(true);

    tabbedPane.addTab(
        "About DataCleaner",
        imageManager.getImageIcon("images/window/app-icon.png", IconUtils.ICON_SIZE_LARGE),
        getAboutPanel(),
        "About DataCleaner");
    tabbedPane.setUnclosableTab(0);

    tabbedPane.addTab(
        "Licensing",
        imageManager.getImageIcon("images/menu/license.png"),
        getLicensingPanel(),
        "Licensing");
    tabbedPane.setUnclosableTab(1);

    tabbedPane.setPreferredSize(new Dimension(getDialogWidth(), 500));

    return tabbedPane;
  }

  private JComponent getLicensingPanel() {
    final String dcLicense = getLicense("lgpl");

    final DCLabel licenseHeader = DCLabel.dark("");
    licenseHeader.setFont(WidgetUtils.FONT_HEADER1);

    final DCLabel licenseLabel = DCLabel.darkMultiLine("");
    licenseLabel.setBackground(WidgetUtils.BG_COLOR_BRIGHTEST);
    licenseLabel.setFont(WidgetUtils.FONT_MONOSPACE);
    licenseLabel.setOpaque(true);

    final JButton dcLicenseButton = WidgetFactory.createSmallButton("images/menu/license.png");
    dcLicenseButton.setToolTipText("DataCleaner's license: GNU LGPL");
    dcLicenseButton.addActionListener(
        new ActionListener() {

          @Override
          public void actionPerformed(ActionEvent e) {
            licenseHeader.setText("Displaying license of DataCleaner");
            licenseLabel.setText(dcLicense);
          }
        });

    final JComboBox librariesComboBox = new JComboBox();
    final JButton visitProjectButton = WidgetFactory.createSmallButton(IconUtils.WEBSITE);

    librariesComboBox.setRenderer(
        new DCListCellRenderer() {

          private static final long serialVersionUID = 1L;

          @Override
          public Component getListCellRendererComponent(
              JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
            if (value instanceof LicensedProject) {
              LicensedProject project = (LicensedProject) value;
              String name = project.name;
              return super.getListCellRendererComponent(
                  list, name, index, isSelected, cellHasFocus);
            } else if (value instanceof String) {
              return super.getListCellRendererComponent(
                  list, value, index, isSelected, cellHasFocus);
            }
            throw new UnsupportedOperationException();
          }
        });
    librariesComboBox.addItemListener(
        new ItemListener() {
          @Override
          public void itemStateChanged(ItemEvent e) {
            Object item = e.getItem();
            if (item instanceof LicensedProject) {
              visitProjectButton.setEnabled(true);
              LicensedProject project = (LicensedProject) item;
              licenseLabel.setText(project.license);
              licenseHeader.setText("Displaying license of " + project.name + "");
            } else {
              visitProjectButton.setEnabled(false);
              licenseHeader.setText("Displaying license of DataCleaner");
              licenseLabel.setText(dcLicense);
            }
          }
        });

    visitProjectButton.addActionListener(
        new ActionListener() {
          @Override
          public void actionPerformed(ActionEvent e) {
            Object item = librariesComboBox.getSelectedItem();
            LicensedProject project = (LicensedProject) item;
            String websiteUrl = project.websiteUrl;
            if (!StringUtils.isNullOrEmpty(websiteUrl)) {
              new OpenBrowserAction(websiteUrl).actionPerformed(e);
            }
          }
        });

    librariesComboBox.addItem("- select project -");
    final List<LicensedProject> licensedProjects = getLicensedProjects();
    for (LicensedProject licensedProject : licensedProjects) {
      librariesComboBox.addItem(licensedProject);
    }

    final JToolBar toolBar = WidgetFactory.createToolBar();
    toolBar.add(DCLabel.dark("DataCleaners license: "));
    toolBar.add(dcLicenseButton);
    toolBar.add(WidgetFactory.createToolBarSeparator());
    toolBar.add(DCLabel.dark("Included libraries: "));
    toolBar.add(librariesComboBox);
    toolBar.add(visitProjectButton);

    final JScrollPane licenseLabelScroll = WidgetUtils.scrolleable(licenseLabel);
    licenseLabelScroll.setBorder(
        new CompoundBorder(new EmptyBorder(10, 0, 10, 0), WidgetUtils.BORDER_THIN));

    final DCPanel headerPanel = new DCPanel();
    headerPanel.setLayout(new VerticalLayout());
    headerPanel.add(toolBar);
    headerPanel.add(Box.createVerticalStrut(20));
    headerPanel.add(licenseHeader);

    final DCPanel panel = new DCPanel(WidgetUtils.BG_COLOR_BRIGHT, WidgetUtils.BG_COLOR_BRIGHTEST);
    panel.setBorder(new EmptyBorder(4, 4, 4, 4));
    panel.setLayout(new BorderLayout());
    panel.add(headerPanel, BorderLayout.NORTH);
    panel.add(licenseLabelScroll, BorderLayout.CENTER);

    return panel;
  }

  private JComponent getAboutPanel() {
    final DCLabel headerLabel =
        DCLabel.dark("DataCleaner " + Version.getEdition() + " " + Version.getVersion());

    headerLabel.setFont(WidgetUtils.FONT_HEADER1);

    final ImageManager imageManager = ImageManager.get();

    final JButton datacleanerButton =
        new JButton(imageManager.getImageIcon("images/links/datacleaner.png"));
    datacleanerButton.addActionListener(new OpenBrowserAction("http://datacleaner.org"));
    datacleanerButton.setToolTipText("Visit the DataCleaner website");
    datacleanerButton.setBorder(null);

    final JButton bloggerButton =
        new JButton(imageManager.getImageIcon("images/links/blogger.png"));
    bloggerButton.addActionListener(new OpenBrowserAction("http://kasper.eobjects.org"));
    bloggerButton.setToolTipText("Follow along at our blog");
    bloggerButton.setBorder(null);

    final JButton linkedInButton =
        new JButton(imageManager.getImageIcon("images/links/linkedin.png"));
    linkedInButton.addActionListener(
        new OpenBrowserAction("http://www.linkedin.com/groups?gid=3352784"));
    linkedInButton.setToolTipText("Join the DataCleaner LinkedIn group");
    linkedInButton.setBorder(null);

    final DCPanel buttonPanel = new DCPanel();
    buttonPanel.setLayout(new HorizontalLayout());
    buttonPanel.add(datacleanerButton);
    buttonPanel.add(Box.createHorizontalStrut(10));
    buttonPanel.add(bloggerButton);
    buttonPanel.add(Box.createHorizontalStrut(10));
    buttonPanel.add(linkedInButton);

    final HumanInferenceToolbarButton humanInferenceButton =
        new HumanInferenceToolbarButton(
            imageManager.getImageIcon("images/powered-by-human-inference-bright.png"));

    final DCPanel contentPanel = new DCPanel();
    contentPanel.setLayout(new VerticalLayout());
    contentPanel.add(headerLabel);
    contentPanel.add(
        DCLabel.dark(
            "Copyright (C) " + Calendar.getInstance().get(Calendar.YEAR) + " Human Inference"));
    contentPanel.add(Box.createVerticalStrut(20));
    contentPanel.add(DCPanel.around(humanInferenceButton));

    if (Version.isCommunityEdition()) {
      contentPanel.add(Box.createVerticalStrut(20));
      contentPanel.add(DCLabel.dark("Licensed under the LGPL license"));
      contentPanel.add(DCLabel.dark("(see Licensing tab)."));
    } else {
      final String licenseKey = Version.getLicenseKey();
      contentPanel.add(Box.createVerticalStrut(20));
      contentPanel.add(DCLabel.dark("License key: " + licenseKey));
    }

    contentPanel.add(Box.createVerticalStrut(30));
    contentPanel.add(DCLabel.dark("Java runtime information:"));
    contentPanel.add(DCLabel.dark("  " + System.getProperty("java.vm.name")));
    contentPanel.add(DCLabel.dark("  by " + System.getProperty("java.vm.vendor")));
    contentPanel.add(DCLabel.dark("  version " + System.getProperty("java.runtime.version")));
    contentPanel.add(Box.createVerticalStrut(30));
    contentPanel.add(buttonPanel);

    final DCPanel mainPanel =
        new DCPanel(
            imageManager.getImage("images/window/app-icon-hires.png"),
            97,
            10,
            WidgetUtils.BG_COLOR_BRIGHT,
            WidgetUtils.BG_COLOR_BRIGHTEST);
    mainPanel.setBorder(new EmptyBorder(10, 10, 10, 10));
    mainPanel.setLayout(new VerticalLayout());
    mainPanel.add(contentPanel);

    return mainPanel;
  }

  @Override
  public String getWindowTitle() {
    return "About DataCleaner | DataCleaner";
  }

  public static List<LicensedProject> getLicensedProjects() {
    final List<LicensedProject> result = new ArrayList<AboutDialog.LicensedProject>();
    final URL url = resourceManager.getUrl("licenses/dependency-licenses.csv");
    if (url == null) {
      throw new IllegalStateException("Could not find dependencies file");
    }
    try {
      DataContext dc = DataContextFactory.createCsvDataContext(url.openStream(), ',', '"');
      Table table = dc.getDefaultSchema().getTables()[0];
      Column projectColumn = table.getColumnByName("Project");
      Column websiteColumn = table.getColumnByName("Website");
      Column licenseColumn = table.getColumnByName("License");
      Query q =
          dc.query().from(table).select(table.getColumns()).orderBy(projectColumn).asc().toQuery();
      DataSet ds = dc.executeQuery(q);
      while (ds.next()) {
        final LicensedProject licensedProject = new LicensedProject();
        final Row row = ds.getRow();
        final String licenseName = row.getValue(licenseColumn).toString();

        licensedProject.name = row.getValue(projectColumn).toString();
        licensedProject.websiteUrl = row.getValue(websiteColumn).toString();
        licensedProject.license = getLicense(licenseName);

        result.add(licensedProject);
      }

    } catch (IOException e) {
      throw new IllegalStateException("Error occurred while reading dependencies file", e);
    }

    return result;
  }

  public static String getLicense(final String licenseName) {
    URL url = resourceManager.getUrl("licenses/" + licenseName + ".txt");
    if (url == null) {
      throw new IllegalArgumentException("Could not find license file for license: " + licenseName);
    }
    BufferedReader reader = null;
    try {
      reader =
          new BufferedReader(new InputStreamReader(url.openStream(), FileHelper.UTF_8_ENCODING));
      final StringBuilder sb = new StringBuilder();
      for (String line = reader.readLine(); line != null; line = reader.readLine()) {
        if (sb.length() != 0) {
          sb.append('\n');
        }
        sb.append(line);
      }

      return sb.toString();
    } catch (Exception e) {
      throw new IllegalStateException(
          "Error occurred while reading license file: " + licenseName, e);
    } finally {
      if (reader != null) {
        try {
          reader.close();
        } catch (IOException e) {
          // do nothing
        }
      }
    }
  }

  public static void main(String[] args) {
    new AboutDialog(new DCWindowContext(null, null, null)).setVisible(true);
  }
}