--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.chromium.debug.ui/src/org/chromium/debug/ui/PluginUtil.java	Wed Dec 23 17:13:18 2009 -0800
@@ -0,0 +1,83 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.debug.ui;
+
+import org.chromium.debug.core.ChromiumDebugPlugin;
+import org.chromium.debug.core.util.ChromiumDebugPluginUtil;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ * This class provides generic plugin-wide services.
+ */
+public class PluginUtil {
+
+  private static final String PROJECT_EXPLORER_ID = "org.eclipse.ui.navigator.ProjectExplorer"; //$NON-NLS-1$
+
+  /**
+   * Brings up the "Project Explorer" view in the active workbench window.
+   */
+  public static void openProjectExplorerView() {
+    Display.getDefault().asyncExec(new Runnable() {
+      public void run() {
+        IWorkbench workbench = PlatformUI.getWorkbench();
+        IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
+        if (window == null) {
+          if (workbench.getWorkbenchWindowCount() == 1) {
+            window = workbench.getWorkbenchWindows()[0];
+          }
+        }
+        if (window != null) {
+          try {
+            window.getActivePage().showView(PROJECT_EXPLORER_ID);
+          } catch (PartInitException e) {
+            // ignore
+          }
+        }
+      }
+    });
+  }
+
+  /**
+   * Determines whether {@code file} is a .chromium file in a
+   * JavaScript debug project.
+   *
+   * @param file to test
+   * @return whether the file extension is ".chromium" and its project has the
+   *         ChromiumDebugPluginUtil#JS_DEBUG_PROJECT_NATURE nature
+   */
+  public static boolean isChromiumDebugFile(IFile file) {
+    IProject project = file.getProject();
+    try {
+      return (project.hasNature(ChromiumDebugPluginUtil.JS_DEBUG_PROJECT_NATURE) &&
+          file.getName().endsWith(ChromiumDebugPluginUtil.CHROMIUM_EXTENSION_SUFFIX));
+    } catch (CoreException e) {
+      ChromiumDebugPlugin.log(e);
+      return false;
+    }
+  }
+
+
+  /**
+   * Removes the ".chromium" extension from the fileName.
+   *
+   * @param fileName to remove the extension from
+   * @return a file name without the ".chromium" extension
+   */
+  public static String stripChromiumExtension(String fileName) {
+    return fileName.substring(
+        0, fileName.length() - ChromiumDebugPluginUtil.CHROMIUM_EXTENSION_SUFFIX.length());
+  }
+
+  private PluginUtil() {
+    // not instantiable
+  }
+}