[468880] eclipse-installer shows an unfriendly error when the Browser

widget is not available

https://bugs.eclipse.org/bugs/show_bug.cgi?id=468880

14 files changed, 206 insertions, 78 deletions

diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocConfirmationPage.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocConfirmationPage.html
index dab0bc3c7..aa60c584f 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocConfirmationPage.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocConfirmationPage.html
@@ -82,7 +82,7 @@ function maximize(id)
  <br>
  
 
-<div class="box" style="display: inline-block"><img src="..\..\..\images\trees\S6iPPxM28shdYu396Wlp4WERVb4=.png"/></div>
+<div class="box" style="display: inline-block"><img src="../../../images/trees/S6iPPxM28shdYu396Wlp4WERVb4=.png"/></div>
 <p>
 The page has the following controls:
 
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocImportWizard.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocImportWizard.html
index 7ce26d993..dd43c344b 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocImportWizard.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocImportWizard.html
@@ -81,7 +81,7 @@ function maximize(id)
  updates to the project <a href="../../concepts/DocScope.html#DocStream" title="Chapter in Oomph Setup Documentation">streams</a> included to the automated installation and provisioning process.
  
 
-<div style="display: inline-block"><img src="..\..\..\images\trees\qoZIZ_J7CLZc0oBKAAvGUEiUlfE=.png"/></div>
+<div style="display: inline-block"><img src="../../../images/trees/qoZIZ_J7CLZc0oBKAAvGUEiUlfE=.png"/></div>
 
  <p>
  
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocInstallWizard.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocInstallWizard.html
index 49be23469..e365b1e62 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocInstallWizard.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocInstallWizard.html
@@ -80,7 +80,7 @@ function maximize(id)
  The install wizard is the basis for Oomph's bootstrap-<a href="../../concepts/DocTask.html#DocTrigger" title="Chapter in Oomph Setup Documentation">triggered</a>, automated installation and provisioning process.
  
 
-<div style="display: inline-block"><img src="..\..\..\images\trees\30xrELXA4PEQ6rtR5ibuOtGByiI=.png"/></div>
+<div style="display: inline-block"><img src="../../../images/trees/30xrELXA4PEQ6rtR5ibuOtGByiI=.png"/></div>
 
  </p>
  <p>
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProductPage.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProductPage.html
index 95ee24faf..5efc86aea 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProductPage.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProductPage.html
@@ -83,7 +83,7 @@ function maximize(id)
  The product page is used exclusively by the <a href="DocInstallWizard.html" title="Article in Oomph Setup Documentation">installation wizard</a>.
  
 
-<div class="box" style="display: inline-block"><img src="..\..\..\images\trees\dkFZXhn3yqNbmtvRldiU-a-0VZI=.png"/></div>
+<div class="box" style="display: inline-block"><img src="../../../images/trees/dkFZXhn3yqNbmtvRldiU-a-0VZI=.png"/></div>
 <p>
 The page contains the following controls:
 
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProgressPage.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProgressPage.html
index 4e7fa1d48..563ac6173 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProgressPage.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProgressPage.html
@@ -80,7 +80,7 @@ function maximize(id)
  The primary purpose of the progress page is to manage and monitor the tasks while they are <a href="../../concepts/DocTaskExecution.html" title="Article in Oomph Setup Documentation">performing</a>.
  
 
-<div class="box" style="display: inline-block"><img src="..\..\..\images\trees\To_psxrMENeKwy_B5oEq4IuD3n4=.png"/></div>
+<div class="box" style="display: inline-block"><img src="../../../images/trees/To_psxrMENeKwy_B5oEq4IuD3n4=.png"/></div>
 <p>
 The page contains the following controls:
 
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProjectPage.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProjectPage.html
index 50f03d7de..bf9adf4b5 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProjectPage.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocProjectPage.html
@@ -81,7 +81,7 @@ function maximize(id)
  with one or more specific <a href="../../concepts/DocScope.html#DocStream" title="Chapter in Oomph Setup Documentation">project streams</a>.
  
 
-<div class="box" style="display: inline-block"><img src="..\..\..\images\trees\i4m5a6AaQ_-_z_ela4-zf7XZgLU=.png"/></div>
+<div class="box" style="display: inline-block"><img src="../../../images/trees/i4m5a6AaQ_-_z_ela4-zf7XZgLU=.png"/></div>
 <p>
 The page contains the following controls:
 
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocUpdateWizard.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocUpdateWizard.html
index 19f184479..77fd747c0 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocUpdateWizard.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocUpdateWizard.html
@@ -81,7 +81,7 @@ function maximize(id)
  <br/>
  
 
-<div style="display: inline-block"><img src="..\..\..\images\trees\K62OQIjOSls_qBdWGo1heoyzSsA=.png"/></div>
+<div style="display: inline-block"><img src="../../../images/trees/K62OQIjOSls_qBdWGo1heoyzSsA=.png"/></div>
 
  </p>
  <p>
diff --git a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocVariablePage.html b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocVariablePage.html
index adc2f5736..a0d2a7d92 100644
--- a/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocVariablePage.html
+++ b/plugins/org.eclipse.oomph.setup.doc/html/user/wizard/DocVariablePage.html
@@ -86,7 +86,7 @@ function maximize(id)
  Information related to those variables is displayed on this page in a three column format:
  
 
-<div class="box" style="display: inline-block"><img src="..\..\..\images\trees\ZhO_6FbqmsbeHn29eT4-F-buauY=.png"/></div>
+<div class="box" style="display: inline-block"><img src="../../../images/trees/ZhO_6FbqmsbeHn29eT4-F-buauY=.png"/></div>
 <p>
 The page has the following controls:
 
diff --git a/plugins/org.eclipse.oomph.setup.editor/src/org/eclipse/oomph/setup/presentation/AbstractTableAction.java b/plugins/org.eclipse.oomph.setup.editor/src/org/eclipse/oomph/setup/presentation/AbstractTableAction.java
index 1a27cc3ee..6397e07cb 100644
--- a/plugins/org.eclipse.oomph.setup.editor/src/org/eclipse/oomph/setup/presentation/AbstractTableAction.java
+++ b/plugins/org.eclipse.oomph.setup.editor/src/org/eclipse/oomph/setup/presentation/AbstractTableAction.java
@@ -10,6 +10,11 @@
  */
 package org.eclipse.oomph.setup.presentation;
 
+import org.eclipse.oomph.ui.ErrorDialog;
+import org.eclipse.oomph.ui.UIUtil;
+import org.eclipse.oomph.util.IOUtil;
+import org.eclipse.oomph.util.OS;
+
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.swt.SWT;
@@ -20,6 +25,8 @@ import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IWorkbenchPart;
 
+import java.io.File;
+
 /**
  * @author Eike Stepper
  */
@@ -40,8 +47,25 @@ public abstract class AbstractTableAction extends Action
   @Override
   public void run()
   {
-    Dialog dialog = new CommandTableDialog(part.getSite().getShell());
-    dialog.open();
+    if (UIUtil.isBrowserAvailable())
+    {
+      Dialog dialog = new CommandTableDialog(part.getSite().getShell());
+      dialog.open();
+    }
+    else
+    {
+      try
+      {
+        String html = renderHTML();
+        File tempFile = File.createTempFile("table", ".html");
+        IOUtil.writeUTF8(tempFile, html);
+        OS.INSTANCE.openSystemBrowser(tempFile.toURI().toString());
+      }
+      catch (Exception ex)
+      {
+        ErrorDialog.open(ex);
+      }
+    }
   }
 
   protected abstract String renderHTML();
diff --git a/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleProductPage.java b/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleProductPage.java
index 86197a9ec..abd922304 100644
--- a/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleProductPage.java
+++ b/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleProductPage.java
@@ -67,11 +67,6 @@ import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.ScrollBar;
 import org.eclipse.swt.widgets.ToolBar;
 
-import javax.swing.text.html.HTMLEditorKit;
-import javax.swing.text.html.parser.ParserDelegator;
-
-import java.io.IOException;
-import java.io.StringReader;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.List;
@@ -136,7 +131,7 @@ public class SimpleProductPage extends SimpleInstallerPage implements FilterHand
 
     indexLoader = new SpriteIndexLoader(stackComposite);
 
-    if ("browser".equals(PropertiesUtil.getProperty("oomph.product.list")))
+    if (UIUtil.isBrowserAvailable() && "browser".equals(PropertiesUtil.getProperty("oomph.product.list")))
     {
       productList = new BrowserProductList(this, stackComposite, catalogSelector);
     }
@@ -700,7 +695,7 @@ public class SimpleProductPage extends SimpleInstallerPage implements FilterHand
 
     private static String shorten(GC gc, int width, int lines, String html)
     {
-      String plain = StringUtil.isEmpty(html) ? "No description available." : stripHTML(html);
+      String plain = StringUtil.isEmpty(html) ? "No description available." : UIUtil.stripHTML(html);
 
       StringBuilder builder = new StringBuilder();
       int lineWidth = 0;
@@ -730,28 +725,6 @@ public class SimpleProductPage extends SimpleInstallerPage implements FilterHand
       return builder.toString();
     }
 
-    private static String stripHTML(String html)
-    {
-      try
-      {
-        final StringBuilder builder = new StringBuilder();
-        new ParserDelegator().parse(new StringReader(html), new HTMLEditorKit.ParserCallback()
-        {
-          @Override
-          public void handleText(char[] text, int pos)
-          {
-            builder.append(text);
-          }
-        }, Boolean.TRUE);
-
-        return builder.toString();
-      }
-      catch (IOException ex)
-      {
-        return html;
-      }
-    }
-
     /**
      * @author Eike Stepper
      */
diff --git a/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleVariablePage.java b/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleVariablePage.java
index dae589f8a..7b03e1e55 100644
--- a/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleVariablePage.java
+++ b/plugins/org.eclipse.oomph.setup.installer/src/org/eclipse/oomph/setup/internal/installer/SimpleVariablePage.java
@@ -222,7 +222,7 @@ public class SimpleVariablePage extends SimpleInstallerPage
     detailArea.setLayoutData(browserLayoutData);
     detailArea.setLayout(new FillLayout());
 
-    try
+    if (UIUtil.isBrowserAvailable())
     {
       detailBrowser = new Browser(detailArea, SWT.NO_SCROLL);
       detailBrowser.addLocationListener(new LocationAdapter()
@@ -239,7 +239,7 @@ public class SimpleVariablePage extends SimpleInstallerPage
         }
       });
     }
-    catch (Throwable ex)
+    else
     {
       detailBrowser = null;
       detailComposite = new ProductComposite(detailArea, null, null);
diff --git a/plugins/org.eclipse.oomph.setup.ui/src/org/eclipse/oomph/setup/ui/wizards/ProductPage.java b/plugins/org.eclipse.oomph.setup.ui/src/org/eclipse/oomph/setup/ui/wizards/ProductPage.java
index df49a1b77..059f19fa6 100644
--- a/plugins/org.eclipse.oomph.setup.ui/src/org/eclipse/oomph/setup/ui/wizards/ProductPage.java
+++ b/plugins/org.eclipse.oomph.setup.ui/src/org/eclipse/oomph/setup/ui/wizards/ProductPage.java
@@ -110,15 +110,22 @@ import org.eclipse.swt.SWT;
 import org.eclipse.swt.browser.Browser;
 import org.eclipse.swt.browser.LocationAdapter;
 import org.eclipse.swt.browser.LocationEvent;
+import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.custom.SashForm;
+import org.eclipse.swt.custom.ScrolledComposite;
 import org.eclipse.swt.dnd.DND;
 import org.eclipse.swt.dnd.DropTargetEvent;
 import org.eclipse.swt.dnd.FileTransfer;
 import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.dnd.URLTransfer;
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
@@ -129,6 +136,7 @@ import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
 import org.eclipse.swt.widgets.ToolBar;
 import org.eclipse.swt.widgets.ToolItem;
 import org.eclipse.swt.widgets.Tree;
@@ -166,6 +174,8 @@ public class ProductPage extends SetupWizardPage
 
   private Browser descriptionBrowser;
 
+  private DescriptionViewer descriptionViewer;
+
   private Label versionLabel;
 
   private ComboViewer versionComboViewer;
@@ -641,8 +651,7 @@ public class ProductPage extends SetupWizardPage
 
     Composite descriptionComposite = new Composite(sashForm, SWT.BORDER);
     descriptionComposite.setLayout(new FillLayout());
-
-    try
+    if (UIUtil.isBrowserAvailable())
     {
       descriptionBrowser = new Browser(descriptionComposite, SWT.NONE);
       descriptionBrowser.addLocationListener(new LocationAdapter()
@@ -659,15 +668,16 @@ public class ProductPage extends SetupWizardPage
       });
 
       AccessUtil.setKey(descriptionBrowser, "description");
-      sashForm.setWeights(new int[] { 14, 5 });
     }
-    catch (Exception ex)
+    else
     {
-      descriptionComposite.dispose();
-      descriptionBrowser = null;
-      sashForm.setWeights(new int[] { 1 });
+      descriptionComposite.setForeground(productTree.getForeground());
+      descriptionComposite.setBackground(productTree.getBackground());
+      descriptionViewer = new DescriptionViewer(descriptionComposite, productTree.getFont());
     }
 
+    sashForm.setWeights(new int[] { 14, 5 });
+
     final CatalogSelection selection = catalogManager.getSelection();
     productViewer.setInput(selection);
 
@@ -820,8 +830,15 @@ public class ProductPage extends SetupWizardPage
 
     if (descriptionBrowser != null)
     {
+      String html = safe(productSelected ? getDescriptionHTML(product) : null);
       descriptionBrowser.setEnabled(productSelected);
-      descriptionBrowser.setText(safe(productSelected ? getDescriptionHTML(product) : null));
+      descriptionBrowser.setText(html);
+    }
+    else
+    {
+      String html = safe(productSelected ? product.getDescription() : null);
+      String plain = StringUtil.isEmpty(html) ? "No description available." : UIUtil.stripHTML(html);
+      descriptionViewer.update(getImage(product), SetupCoreUtil.getLabel(product), plain);
     }
 
     versionLabel.setEnabled(productSelected);
@@ -1241,6 +1258,71 @@ public class ProductPage extends SetupWizardPage
   }
 
   /**
+   * @author Ed Merks
+   */
+  private static class DescriptionViewer
+  {
+    private ScrolledComposite scrolledComposite;
+
+    private Composite descriptionComposite;
+
+    private CLabel descriptionLabel;
+
+    private Text descriptionText;
+
+    private ControlAdapter resizeListener;
+
+    public DescriptionViewer(Composite container, Font font)
+    {
+      Color foreground = container.getForeground();
+      Color background = container.getBackground();
+
+      scrolledComposite = new ScrolledComposite(container, SWT.VERTICAL);
+      scrolledComposite.setExpandHorizontal(true);
+      scrolledComposite.setExpandVertical(true);
+
+      resizeListener = new ControlAdapter()
+      {
+        @Override
+        public void controlResized(ControlEvent e)
+        {
+          Point size = descriptionComposite.computeSize(scrolledComposite.getClientArea().width, SWT.DEFAULT);
+          scrolledComposite.setMinSize(size);
+        }
+      };
+      scrolledComposite.addControlListener(resizeListener);
+
+      descriptionComposite = new Composite(scrolledComposite, SWT.NONE);
+      descriptionComposite.setLayout(new GridLayout());
+      descriptionComposite.setForeground(foreground);
+      descriptionComposite.setBackground(background);
+      scrolledComposite.setContent(descriptionComposite);
+
+      descriptionLabel = new CLabel(descriptionComposite, SWT.NONE);
+      descriptionLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
+      descriptionLabel.setForeground(foreground);
+      descriptionLabel.setBackground(background);
+      descriptionLabel.setFont(SetupUIPlugin.getFont(font, URI.createURI("font:///+2/bold")));
+
+      Label separator = new Label(descriptionComposite, SWT.HORIZONTAL | SWT.SEPARATOR);
+      separator.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
+
+      descriptionText = new Text(descriptionComposite, SWT.READ_ONLY | SWT.WRAP);
+      descriptionText.setLayoutData(new GridData(GridData.FILL_BOTH));
+      descriptionText.setForeground(foreground);
+      descriptionText.setBackground(background);
+    }
+
+    public void update(Image image, String title, String body)
+    {
+      descriptionLabel.setImage(image);
+      descriptionLabel.setText(title);
+      descriptionText.setText(body);
+      resizeListener.controlResized(null);
+    }
+  }
+
+  /**
    * @author Eike Stepper
    */
   private static final class ItemProviderAdapterFactory extends SetupItemProviderAdapterFactory implements SetupPackage.Literals
diff --git a/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/HelpSupport.java b/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/HelpSupport.java
index 786aed0f6..dd0397af2 100644
--- a/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/HelpSupport.java
+++ b/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/HelpSupport.java
@@ -12,6 +12,7 @@ package org.eclipse.oomph.ui;
 
 import org.eclipse.oomph.internal.ui.UIPlugin;
 import org.eclipse.oomph.internal.util.HTTPServer;
+import org.eclipse.oomph.util.OS;
 
 import org.eclipse.jface.dialogs.DialogTray;
 import org.eclipse.jface.dialogs.TitleAreaDialog;
@@ -92,37 +93,49 @@ public class HelpSupport
     {
       public void helpRequested(HelpEvent e)
       {
-        if (dialog.getTray() != null)
+        if (UIUtil.isBrowserAvailable())
         {
-          dialog.closeTray();
-          helpButton.setSelection(false);
-          return;
-        }
+          if (dialog.getTray() != null)
+          {
+            dialog.closeTray();
+            helpButton.setSelection(false);
+            return;
+          }
 
-        DialogTray tray = new DialogTray()
-        {
-          @Override
-          protected Control createContents(Composite parent)
+          DialogTray tray = new DialogTray()
           {
-            helpBrowser = new Browser(parent, SWT.NONE);
-            helpBrowser.setSize(500, 800);
-            helpBrowser.addDisposeListener(new DisposeListener()
+            @Override
+            protected Control createContents(Composite parent)
             {
-              public void widgetDisposed(DisposeEvent e)
+              helpBrowser = new Browser(parent, SWT.NONE);
+              helpBrowser.setSize(500, 800);
+              helpBrowser.addDisposeListener(new DisposeListener()
               {
-                helpBrowser = null;
-                redrawCalloutControls();
-              }
-            });
+                public void widgetDisposed(DisposeEvent e)
+                {
+                  helpBrowser = null;
+                  redrawCalloutControls();
+                }
+              });
+
+              updateHelp();
+              return helpBrowser;
+            }
+          };
 
-            updateHelp();
-            return helpBrowser;
-          }
-        };
+          dialog.openTray(tray);
+          helpButton.setSelection(true);
+        }
+        else
+        {
+          helpButton.setSelection(false);
 
-        dialog.openTray(tray);
-        helpButton.setSelection(true);
-        redrawCalloutControls();
+          String helpPath = getHelpPath();
+          if (helpPath != null)
+          {
+            OS.INSTANCE.openSystemBrowser(getHelpURL(helpPath));
+          }
+        }
       }
     });
 
@@ -136,15 +149,23 @@ public class HelpSupport
 
   public final void updateHelp()
   {
+    String helpPath = getHelpPath();
+    if (helpPath != null)
+    {
+      setHelpPath(helpPath);
+    }
+  }
+
+  private final String getHelpPath()
+  {
     if (dialog instanceof HelpProvider)
     {
       HelpProvider helpProvider = (HelpProvider)dialog;
       String helpPath = helpProvider.getHelpPath();
-      if (helpPath != null)
-      {
-        setHelpPath(helpPath);
-      }
+      return helpPath;
     }
+
+    return null;
   }
 
   public final void addHelpCallout(final Control control, final int number)
diff --git a/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/UIUtil.java b/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/UIUtil.java
index c70ac0be3..c093c9e0a 100644
--- a/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/UIUtil.java
+++ b/plugins/org.eclipse.oomph.ui/src/org/eclipse/oomph/ui/UIUtil.java
@@ -20,6 +20,7 @@ import org.eclipse.jface.dialogs.ProgressMonitorDialog;
 import org.eclipse.jface.operation.IRunnableWithProgress;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.SWTError;
 import org.eclipse.swt.SWTException;
 import org.eclipse.swt.browser.Browser;
 import org.eclipse.swt.custom.CCombo;
@@ -43,6 +44,11 @@ import org.eclipse.ui.IWorkbench;
 import org.eclipse.ui.IWorkbenchWindow;
 import org.eclipse.ui.PlatformUI;
 
+import javax.swing.text.html.HTMLEditorKit;
+import javax.swing.text.html.parser.ParserDelegator;
+
+import java.io.IOException;
+import java.io.StringReader;
 import java.lang.reflect.InvocationTargetException;
 
 /**
@@ -174,7 +180,7 @@ public final class UIUtil
             new Browser(shell, SWT.NONE);
             browserAvailable = true;
           }
-          catch (Exception ex)
+          catch (SWTError ex)
           {
             browserAvailable = false;
           }
@@ -709,4 +715,26 @@ public final class UIUtil
     {
     }
   }
+
+  public static String stripHTML(String html)
+  {
+    try
+    {
+      final StringBuilder builder = new StringBuilder();
+      new ParserDelegator().parse(new StringReader(html), new HTMLEditorKit.ParserCallback()
+      {
+        @Override
+        public void handleText(char[] text, int pos)
+        {
+          builder.append(text);
+        }
+      }, Boolean.TRUE);
+
+      return builder.toString();
+    }
+    catch (IOException ex)
+    {
+      return html;
+    }
+  }
 }