Attachment 49647 Details for Bug 156581 – Fixes all adapter usage in the org.eclipse.ui.workbench plugin

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[patch] Fixes all adapter usage in the org.eclipse.ui.workbench plugin

156581_ui_workbench_patch.txt (text/plain), 71.90 KB, created by Stefan Xenos

on 2006-09-07 14:56:16 EDT

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Description:

Filename:

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Creator: Stefan Xenos

Created: 2006-09-07 14:56:16 EDT

Size: 71.90 KB

patch

obsolete

>### Eclipse Workspace Patch 1.0
>#P org.eclipse.ui.workbench
>Index: Eclipse UI/org/eclipse/ui/internal/WorkingSet.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkingSet.java,v
>retrieving revision 1.26
>diff -u -r1.26 WorkingSet.java
>--- Eclipse UI/org/eclipse/ui/internal/WorkingSet.java	6 Sep 2006 14:16:42 -0000	1.26
>+++ Eclipse UI/org/eclipse/ui/internal/WorkingSet.java	7 Sep 2006 18:54:00 -0000
>@@ -197,8 +197,8 @@
>             Iterator iterator = elements.iterator();
>             while (iterator.hasNext()) {
>                 IAdaptable adaptable = (IAdaptable) iterator.next();
>-                IPersistableElement persistable = (IPersistableElement) adaptable
>-                        .getAdapter(IPersistableElement.class);
>+                IPersistableElement persistable = (IPersistableElement) Util.getAdapter(adaptable,
>+                        IPersistableElement.class);
>                 if (persistable != null) {
>                     IMemento itemMemento = memento
>                             .createChild(IWorkbenchConstants.TAG_ITEM);
>Index: Eclipse UI/org/eclipse/ui/internal/WorkbenchWindow.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchWindow.java,v
>retrieving revision 1.351
>diff -u -r1.351 WorkbenchWindow.java
>--- Eclipse UI/org/eclipse/ui/internal/WorkbenchWindow.java	5 Sep 2006 19:58:32 -0000	1.351
>+++ Eclipse UI/org/eclipse/ui/internal/WorkbenchWindow.java	7 Sep 2006 18:54:00 -0000
>@@ -133,6 +133,7 @@
> import org.eclipse.ui.internal.services.ISourceProviderService;
> import org.eclipse.ui.internal.services.ServiceLocator;
> import org.eclipse.ui.internal.util.PrefUtil;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.presentations.AbstractPresentationFactory;
> 
> /**
>@@ -524,8 +525,8 @@
> 	 * </p>
> 	 */
> 	void submitGlobalActions() {
>-		final IHandlerService handlerService = (IHandlerService) PlatformUI
>-				.getWorkbench().getAdapter(IHandlerService.class);
>+		final IHandlerService handlerService = (IHandlerService) Util.getAdapter(PlatformUI
>+				.getWorkbench(), IHandlerService.class);
> 
> 		/*
> 		 * Mash the action sets and global actions together, with global actions
>@@ -850,8 +851,8 @@
> 				IWorkbenchHelpContextIds.WORKBENCH_WINDOW);
> 
> //		initializeDefaultServices();
>-		final IContextService contextService = (IContextService) workbench
>-				.getAdapter(IContextService.class);
>+		final IContextService contextService = (IContextService) Util.getAdapter(
>+                workbench, IContextService.class);
> 		contextService.registerShell(shell, IContextService.TYPE_WINDOW);
> 
> 		trackShellActivation(shell);
>@@ -1466,8 +1467,8 @@
> 
> 			// Remove the handler submissions. Bug 64024.
> 			final IWorkbench workbench = getWorkbench();
>-			final IHandlerService handlerService = (IHandlerService) workbench
>-					.getAdapter(IHandlerService.class);
>+			final IHandlerService handlerService = (IHandlerService) Util.getAdapter(workbench, 
>+                    IHandlerService.class);
> 			handlerService.deactivateHandlers(handlerActivations);
> 			final Iterator activationItr = handlerActivations.iterator();
> 			while (activationItr.hasNext()) {
>@@ -1479,8 +1480,8 @@
> 			globalActionHandlersByCommandId.clear();
> 
> 			// Remove the enabled submissions. Bug 64024.
>-			final IContextService contextService = (IContextService) workbench
>-					.getAdapter(IContextService.class);
>+			final IContextService contextService = (IContextService) Util.getAdapter(workbench,
>+                    IContextService.class);
> 			contextService.unregisterShell(getShell());
> 
> 			closeAllPages();
>@@ -2446,8 +2447,8 @@
> 			// Get the input.
> 			IAdaptable input = page.getInput();
> 			if (input != null) {
>-				IPersistableElement persistable = (IPersistableElement) input
>-						.getAdapter(IPersistableElement.class);
>+				IPersistableElement persistable = (IPersistableElement) Util.getAdapter(input,
>+						IPersistableElement.class);
> 				if (persistable == null) {
> 					WorkbenchPlugin
> 							.log("Unable to save page input: " //$NON-NLS-1$
>Index: Eclipse UI/org/eclipse/ui/internal/EditorManager.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/EditorManager.java,v
>retrieving revision 1.111
>diff -u -r1.111 EditorManager.java
>--- Eclipse UI/org/eclipse/ui/internal/EditorManager.java	2 Aug 2006 11:15:49 -0000	1.111
>+++ Eclipse UI/org/eclipse/ui/internal/EditorManager.java	7 Sep 2006 18:54:00 -0000
>@@ -169,8 +169,8 @@
> 			}
> 			if (pinEditorHandlerActivation != null) {
> 				// remove pin editor keyboard shortcut handler
>-				final IHandlerService handlerService = (IHandlerService) window
>-						.getWorkbench().getAdapter(IHandlerService.class);
>+				final IHandlerService handlerService = (IHandlerService) Util.getAdapter(window
>+						.getWorkbench(), IHandlerService.class);
> 				handlerService.deactivateHandler(pinEditorHandlerActivation);
> 				pinEditorHandlerActivation = null;
> 			}
>@@ -230,8 +230,8 @@
> 			};
> 
> 			// Assign the handler for the pin editor keyboard shortcut.
>-			final IHandlerService handlerService = (IHandlerService) window
>-					.getWorkbench().getAdapter(IHandlerService.class);
>+			final IHandlerService handlerService = (IHandlerService) Util.getAdapter(window
>+					.getWorkbench(), IHandlerService.class);
> 			pinEditorHandlerActivation = handlerService.activateHandler(
> 					"org.eclipse.ui.window.pinEditor", pinEditorHandler, //$NON-NLS-1$
> 					new ActiveShellExpression(shell));
>@@ -1451,7 +1451,7 @@
> 			return (IPathEditorInput) input;
> 		}
> 
>-		return (IPathEditorInput) input.getAdapter(IPathEditorInput.class);
>+		return (IPathEditorInput) Util.getAdapter(input, IPathEditorInput.class);
> 	}
> 
> 	private class InnerEditor extends EditorReference {
>Index: Eclipse UI/org/eclipse/ui/internal/SelectionConversionService.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/SelectionConversionService.java,v
>retrieving revision 1.3
>diff -u -r1.3 SelectionConversionService.java
>--- Eclipse UI/org/eclipse/ui/internal/SelectionConversionService.java	24 Feb 2006 18:36:12 -0000	1.3
>+++ Eclipse UI/org/eclipse/ui/internal/SelectionConversionService.java	7 Sep 2006 18:54:00 -0000
>@@ -15,9 +15,9 @@
> import java.util.Iterator;
> import java.util.List;
> 
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.jface.viewers.IStructuredSelection;
> import org.eclipse.jface.viewers.StructuredSelection;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * <p>
>@@ -58,17 +58,10 @@
> 
> 		while (elements.hasNext()) {
> 			Object currentElement = elements.next();
>-			if (resourceClass.isInstance(currentElement)) { // already a
>-				// resource
>-				result.add(currentElement);
>-			} else if (currentElement instanceof IAdaptable) {
>-				Object adapter = ((IAdaptable) currentElement)
>-						.getAdapter(resourceClass);
>-				if (resourceClass.isInstance(adapter)) {
>-					result.add(adapter); // add the converted resource
>-				}
>-
>-			}
>+            Object resource = Util.getAdapter(currentElement, resourceClass);
>+            if (resource != null) {
>+            	result.add(resource);   
>+            }
> 		}
> 
> 		// all that can be converted are done, answer new selection
>Index: Eclipse UI/org/eclipse/ui/internal/ActionExpression.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ActionExpression.java,v
>retrieving revision 1.24
>diff -u -r1.24 ActionExpression.java
>--- Eclipse UI/org/eclipse/ui/internal/ActionExpression.java	8 May 2006 20:55:38 -0000	1.24
>+++ Eclipse UI/org/eclipse/ui/internal/ActionExpression.java	7 Sep 2006 18:54:00 -0000
>@@ -16,7 +16,6 @@
> import java.util.Iterator;
> import java.util.List;
> 
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.core.runtime.IConfigurationElement;
> import org.eclipse.core.runtime.Platform;
> import org.eclipse.jface.viewers.IStructuredSelection;
>@@ -471,14 +470,7 @@
> 		}
> 
> 		private IActionFilter getActionFilter(Object object) {
>-			IActionFilter filter = null;
>-			if (object instanceof IActionFilter) {
>-				filter = (IActionFilter) object;
>-			} else if (object instanceof IAdaptable) {
>-				filter = (IActionFilter) ((IAdaptable) object)
>-						.getAdapter(IActionFilter.class);
>-			}
>-			return filter;
>+			return (IActionFilter)Util.getAdapter(object, IActionFilter.class);
> 		}
> 
> 		/**
>@@ -520,10 +512,7 @@
> 				return false;
> 			}
> 
>-			Object res = null;
>-			if (object instanceof IAdaptable) {
>-				res = ((IAdaptable) object).getAdapter(resourceClass);
>-			}
>+			Object res = Util.getAdapter(object, resourceClass);
> 			if (res == null) {
> 				return false;
> 			}
>Index: Eclipse UI/org/eclipse/ui/internal/ShowInMenu.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ShowInMenu.java,v
>retrieving revision 1.11
>diff -u -r1.11 ShowInMenu.java
>--- Eclipse UI/org/eclipse/ui/internal/ShowInMenu.java	8 May 2006 20:55:37 -0000	1.11
>+++ Eclipse UI/org/eclipse/ui/internal/ShowInMenu.java	7 Sep 2006 18:54:00 -0000
>@@ -31,6 +31,7 @@
> import org.eclipse.ui.IWorkbenchPage;
> import org.eclipse.ui.IWorkbenchPart;
> import org.eclipse.ui.IWorkbenchWindow;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.part.IShowInSource;
> import org.eclipse.ui.part.IShowInTargetList;
> import org.eclipse.ui.part.ShowInContext;
>@@ -208,14 +209,7 @@
>      * @return an <code>IShowInSource</code> or <code>null</code>
>      */
>     private IShowInSource getShowInSource(IWorkbenchPart sourcePart) {
>-        if (sourcePart instanceof IShowInSource) {
>-            return (IShowInSource) sourcePart;
>-        }
>-        Object o = sourcePart.getAdapter(IShowInSource.class);
>-        if (o instanceof IShowInSource) {
>-            return (IShowInSource) o;
>-        }
>-        return null;
>+        return (IShowInSource)Util.getAdapter(sourcePart, IShowInSource.class);
>     }
> 
>     /**
>@@ -226,14 +220,7 @@
>      * @return the <code>IShowInTargetList</code> or <code>null</code>
>      */
>     private IShowInTargetList getShowInTargetList(IWorkbenchPart sourcePart) {
>-        if (sourcePart instanceof IShowInTargetList) {
>-            return (IShowInTargetList) sourcePart;
>-        }
>-        Object o = sourcePart.getAdapter(IShowInTargetList.class);
>-        if (o instanceof IShowInTargetList) {
>-            return (IShowInTargetList) o;
>-        }
>-        return null;
>+        return (IShowInTargetList)Util.getAdapter(sourcePart, IShowInTargetList.class);
>     }
> 
>     /**
>Index: Eclipse UI/org/eclipse/ui/internal/ShowInAction.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ShowInAction.java,v
>retrieving revision 1.9
>diff -u -r1.9 ShowInAction.java
>--- Eclipse UI/org/eclipse/ui/internal/ShowInAction.java	6 Jun 2006 19:52:08 -0000	1.9
>+++ Eclipse UI/org/eclipse/ui/internal/ShowInAction.java	7 Sep 2006 18:54:00 -0000
>@@ -20,6 +20,7 @@
> import org.eclipse.ui.IWorkbenchPart;
> import org.eclipse.ui.IWorkbenchWindow;
> import org.eclipse.ui.PartInitException;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.part.IShowInSource;
> import org.eclipse.ui.part.IShowInTarget;
> import org.eclipse.ui.part.ShowInContext;
>@@ -90,14 +91,7 @@
>      * @return an <code>IShowInSource</code> or <code>null</code>
>      */
>     private IShowInSource getShowInSource(IWorkbenchPart sourcePart) {
>-        if (sourcePart instanceof IShowInSource) {
>-            return (IShowInSource) sourcePart;
>-        }
>-        Object o = sourcePart.getAdapter(IShowInSource.class);
>-        if (o instanceof IShowInSource) {
>-            return (IShowInSource) o;
>-        }
>-        return null;
>+        return (IShowInSource)Util.getAdapter(sourcePart, IShowInSource.class);
>     }
> 
>     /**
>@@ -108,14 +102,7 @@
>      * @return the <code>IShowInTarget</code> or <code>null</code>
>      */
>     private IShowInTarget getShowInTarget(IWorkbenchPart targetPart) {
>-        if (targetPart instanceof IShowInTarget) {
>-            return (IShowInTarget) targetPart;
>-        }
>-        Object o = targetPart.getAdapter(IShowInTarget.class);
>-        if (o instanceof IShowInTarget) {
>-            return (IShowInTarget) o;
>-        }
>-        return null;
>+        return (IShowInTarget)Util.getAdapter(targetPart, IShowInTarget.class);
>     }
> 
>     /**
>Index: Eclipse UI/org/eclipse/ui/internal/CyclePartAction.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/CyclePartAction.java,v
>retrieving revision 1.69
>diff -u -r1.69 CyclePartAction.java
>--- Eclipse UI/org/eclipse/ui/internal/CyclePartAction.java	5 Sep 2006 16:48:42 -0000	1.69
>+++ Eclipse UI/org/eclipse/ui/internal/CyclePartAction.java	7 Sep 2006 18:54:00 -0000
>@@ -45,6 +45,7 @@
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.commands.ICommandService;
> import org.eclipse.ui.contexts.IContextService;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.keys.IBindingService;
> 
> /**
>@@ -441,15 +442,15 @@
> 		 * will not change while the dialog is open, but the context will. Bug
> 		 * 55581.
> 		 */
>-		final IBindingService bindingService = (IBindingService) PlatformUI
>-				.getWorkbench().getAdapter(IBindingService.class);
>+		final IBindingService bindingService = (IBindingService) Util.getAdapter(PlatformUI
>+				.getWorkbench(), IBindingService.class);
> 		forwardTriggerSequences = bindingService
> 				.getActiveBindingsFor(commandForward);
> 		backwardTriggerSequences = bindingService
> 				.getActiveBindingsFor(commandBackward);
> 
>-		final IContextService contextService = (IContextService) page
>-				.getWorkbenchWindow().getWorkbench().getAdapter(
>+		final IContextService contextService = (IContextService) Util.getAdapter(page
>+				.getWorkbenchWindow().getWorkbench(), 
> 						IContextService.class);
> 		try {
> 			dialog.open();
>@@ -526,8 +527,8 @@
> 	 *            the action
> 	 */
> 	public void setBackwardActionDefinitionId(String actionDefinitionId) {
>-		final ICommandService commandService = (ICommandService) getWorkbenchWindow()
>-				.getWorkbench().getAdapter(ICommandService.class);
>+		final ICommandService commandService = (ICommandService) Util.getAdapter(getWorkbenchWindow()
>+				.getWorkbench(), ICommandService.class);
> 		final Command command = commandService.getCommand(actionDefinitionId);
> 		commandBackward = new ParameterizedCommand(command, null);
> 	}
>@@ -539,8 +540,8 @@
> 	 *            the action
> 	 */
> 	public void setForwardActionDefinitionId(String actionDefinitionId) {
>-		final ICommandService commandService = (ICommandService) getWorkbenchWindow()
>-				.getWorkbench().getAdapter(ICommandService.class);
>+		final ICommandService commandService = (ICommandService) Util.getAdapter(getWorkbenchWindow()
>+				.getWorkbench(), ICommandService.class);
> 		final Command command = commandService.getCommand(actionDefinitionId);
> 		commandForward = new ParameterizedCommand(command, null);
> 	}
>Index: Eclipse UI/org/eclipse/ui/internal/BaseSaveAction.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/BaseSaveAction.java,v
>retrieving revision 1.12
>diff -u -r1.12 BaseSaveAction.java
>--- Eclipse UI/org/eclipse/ui/internal/BaseSaveAction.java	1 Aug 2006 22:11:08 -0000	1.12
>+++ Eclipse UI/org/eclipse/ui/internal/BaseSaveAction.java	7 Sep 2006 18:54:00 -0000
>@@ -22,6 +22,7 @@
> import org.eclipse.ui.IWorkbenchPage;
> import org.eclipse.ui.IWorkbenchPart;
> import org.eclipse.ui.IWorkbenchWindow;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * The abstract superclass for save actions that depend on the active editor.
>@@ -214,10 +215,8 @@
>         if (activeView == null) {
>             return null;
>         }
>-        if (activeView instanceof ISaveablePart) {
>-            return (ISaveablePart) activeView;
>-        }
>-        return (ISaveablePart) activeView.getAdapter(ISaveablePart.class);
>+
>+        return (ISaveablePart) Util.getAdapter(activeView, ISaveablePart.class);
>     }
> 
>     /* (non-Javadoc)
>Index: Eclipse UI/org/eclipse/ui/internal/ObjectActionContributor.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ObjectActionContributor.java,v
>retrieving revision 1.21
>diff -u -r1.21 ObjectActionContributor.java
>--- Eclipse UI/org/eclipse/ui/internal/ObjectActionContributor.java	8 May 2006 20:55:36 -0000	1.21
>+++ Eclipse UI/org/eclipse/ui/internal/ObjectActionContributor.java	7 Sep 2006 18:54:00 -0000
>@@ -28,6 +28,7 @@
> import org.eclipse.ui.SelectionEnabler;
> import org.eclipse.ui.internal.misc.Policy;
> import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.model.IWorkbenchAdapter;
> 
> /**
>@@ -273,14 +274,10 @@
> 			return true;
> 		}
>         String objectName = null;
>-        if (object instanceof IAdaptable) {
>-            IAdaptable element = (IAdaptable) object;
>-            IWorkbenchAdapter de = (IWorkbenchAdapter) element
>-                    .getAdapter(IWorkbenchAdapter.class);
>-            if (de != null) {
>-				objectName = de.getLabel(element);
>-			}
>-        }
>+        IWorkbenchAdapter de = (IWorkbenchAdapter)Util.getAdapter(object, IWorkbenchAdapter.class);
>+        if (de != null) {
>+			objectName = de.getLabel(object);
>+		}
>         if (objectName == null) {
>             objectName = object.toString();
>         }
>Index: Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java,v
>retrieving revision 1.271
>diff -u -r1.271 WorkbenchPage.java
>--- Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java	16 Aug 2006 20:36:34 -0000	1.271
>+++ Eclipse UI/org/eclipse/ui/internal/WorkbenchPage.java	7 Sep 2006 18:54:00 -0000
>@@ -1938,13 +1938,11 @@
>      */
>     public String getLabel() {
>         String label = WorkbenchMessages.WorkbenchPage_UnknownLabel;
>-        if (input != null) {
>-            IWorkbenchAdapter adapter = (IWorkbenchAdapter) input
>-                    .getAdapter(IWorkbenchAdapter.class);
>-            if (adapter != null) {
>-				label = adapter.getLabel(input);
>-			}
>-        }
>+        IWorkbenchAdapter adapter = (IWorkbenchAdapter) Util.getAdapter(input, 
>+                IWorkbenchAdapter.class);
>+        if (adapter != null) {
>+			label = adapter.getLabel(input);
>+		}
>         Perspective persp = getActivePerspective();
>         if (persp != null) {
> 			label = NLS.bind(WorkbenchMessages.WorkbenchPage_PerspectiveFormat,  label, persp.getDesc().getLabel());
>Index: Eclipse UI/org/eclipse/ui/internal/DetachedWindow.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/DetachedWindow.java,v
>retrieving revision 1.43
>diff -u -r1.43 DetachedWindow.java
>--- Eclipse UI/org/eclipse/ui/internal/DetachedWindow.java	8 May 2006 20:55:38 -0000	1.43
>+++ Eclipse UI/org/eclipse/ui/internal/DetachedWindow.java	7 Sep 2006 18:54:00 -0000
>@@ -43,6 +43,7 @@
> import org.eclipse.ui.internal.presentations.util.AbstractTabFolder;
> import org.eclipse.ui.internal.presentations.util.AbstractTabItem;
> import org.eclipse.ui.internal.presentations.util.TabbedStackPresentation;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.presentations.StackDropResult;
> 
> 
>@@ -242,8 +243,8 @@
>             bounds = windowShell.getBounds();
> 
>             // Unregister this detached view as a window (for key bindings).
>-			final IContextService contextService = (IContextService) getWorkbenchPage()
>-					.getWorkbenchWindow().getWorkbench().getAdapter(
>+			final IContextService contextService = (IContextService) Util.getAdapter(getWorkbenchPage()
>+					.getWorkbenchWindow().getWorkbench(), 
> 							IContextService.class);
> 			contextService.unregisterShell(windowShell);
> 
>@@ -308,8 +309,8 @@
>         shell.addListener(SWT.Resize, resizeListener);
> 
>         // Register this detached view as a window (for key bindings).
>-		final IContextService contextService = (IContextService) getWorkbenchPage()
>-				.getWorkbenchWindow().getWorkbench().getAdapter(
>+		final IContextService contextService = (IContextService) Util.getAdapter(getWorkbenchPage()
>+				.getWorkbenchWindow().getWorkbench(), 
> 						IContextService.class);
>         contextService.registerShell(shell,
>                 IContextService.TYPE_WINDOW);
>Index: Eclipse UI/org/eclipse/ui/internal/ObjectContributorManager.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ObjectContributorManager.java,v
>retrieving revision 1.24
>diff -u -r1.24 ObjectContributorManager.java
>--- Eclipse UI/org/eclipse/ui/internal/ObjectContributorManager.java	8 May 2006 20:55:35 -0000	1.24
>+++ Eclipse UI/org/eclipse/ui/internal/ObjectContributorManager.java	7 Sep 2006 18:54:00 -0000
>@@ -31,6 +31,7 @@
> import org.eclipse.core.runtime.dynamichelpers.IExtensionTracker;
> import org.eclipse.jface.viewers.IStructuredSelection;
> import org.eclipse.ui.PlatformUI;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * This class is a default implementation of <code>IObjectContributorManager</code>.
>@@ -312,14 +313,12 @@
>         }
>         contributorList.add(contributor);
>         flushLookup();
>+
>+        IConfigurationElement element = (IConfigurationElement) Util.getAdapter(contributor,
>+        	IConfigurationElement.class);
>         
>         //hook the object listener
>-        if (contributor instanceof IAdaptable) {
>-        	IConfigurationElement element = (IConfigurationElement) ((IAdaptable) contributor)
>-					.getAdapter(IConfigurationElement.class);
>-			if (element == null) {
>-				return;
>-			}
>+        if (element != null) {
> 			ContributorRecord contributorRecord = new ContributorRecord(
> 					contributor, targetType);
> 			contributorRecordSet.add(contributorRecord);
>Index: Eclipse UI/org/eclipse/ui/internal/ViewReference.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ViewReference.java,v
>retrieving revision 1.12
>diff -u -r1.12 ViewReference.java
>--- Eclipse UI/org/eclipse/ui/internal/ViewReference.java	8 May 2006 20:55:36 -0000	1.12
>+++ Eclipse UI/org/eclipse/ui/internal/ViewReference.java	7 Sep 2006 18:54:00 -0000
>@@ -373,8 +373,8 @@
> 
> 			result = view;
> 
>-			IConfigurationElement element = (IConfigurationElement) desc
>-					.getAdapter(IConfigurationElement.class);
>+			IConfigurationElement element = (IConfigurationElement) Util.getAdapter(desc,
>+					IConfigurationElement.class);
> 			if (element != null) {
> 				factory.page.getExtensionTracker().registerObject(
> 						element.getDeclaringExtension(), view,
>Index: Eclipse UI/org/eclipse/ui/internal/ViewSite.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ViewSite.java,v
>retrieving revision 1.15
>diff -u -r1.15 ViewSite.java
>--- Eclipse UI/org/eclipse/ui/internal/ViewSite.java	8 May 2006 20:55:34 -0000	1.15
>+++ Eclipse UI/org/eclipse/ui/internal/ViewSite.java	7 Sep 2006 18:54:00 -0000
>@@ -14,6 +14,7 @@
> import org.eclipse.ui.IViewPart;
> import org.eclipse.ui.IViewReference;
> import org.eclipse.ui.IViewSite;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.views.IViewDescriptor;
> 
> /**
>@@ -37,8 +38,7 @@
>     public ViewSite(IViewReference ref, IViewPart view, WorkbenchPage page,
>             IViewDescriptor desc) {
>         super(ref, view, page);
>-        setConfigurationElement((IConfigurationElement) desc
>-				.getAdapter(IConfigurationElement.class));
>+        setConfigurationElement((IConfigurationElement) Util.getAdapter(desc, IConfigurationElement.class));
>     }
> 
>     /**
>Index: Eclipse UI/org/eclipse/ui/internal/ObjectFilterTest.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/ObjectFilterTest.java,v
>retrieving revision 1.10
>diff -u -r1.10 ObjectFilterTest.java
>--- Eclipse UI/org/eclipse/ui/internal/ObjectFilterTest.java	8 May 2006 20:55:35 -0000	1.10
>+++ Eclipse UI/org/eclipse/ui/internal/ObjectFilterTest.java	7 Sep 2006 18:54:00 -0000
>@@ -13,9 +13,9 @@
> import java.util.HashMap;
> import java.util.Iterator;
> 
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.core.runtime.IConfigurationElement;
> import org.eclipse.ui.IActionFilter;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * An ObjectFilterTest is used to read an object filter from XML,
>@@ -85,13 +85,7 @@
>      */
>     private boolean preciselyMatches(Object object) {
>         // Get the action filter.
>-        IActionFilter filter = null;
>-        if (object instanceof IActionFilter) {
>-			filter = (IActionFilter) object;
>-		} else if (object instanceof IAdaptable) {
>-			filter = (IActionFilter) ((IAdaptable) object)
>-                    .getAdapter(IActionFilter.class);
>-		}
>+        IActionFilter filter = (IActionFilter)Util.getAdapter(object, IActionFilter.class);
>         if (filter == null) {
> 			return false;
> 		}
>Index: Eclipse UI/org/eclipse/ui/internal/actions/NewWizardShortcutAction.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/actions/NewWizardShortcutAction.java,v
>retrieving revision 1.13
>diff -u -r1.13 NewWizardShortcutAction.java
>--- Eclipse UI/org/eclipse/ui/internal/actions/NewWizardShortcutAction.java	29 Jun 2006 17:58:05 -0000	1.13
>+++ Eclipse UI/org/eclipse/ui/internal/actions/NewWizardShortcutAction.java	7 Sep 2006 18:54:00 -0000
>@@ -29,6 +29,7 @@
> import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
> import org.eclipse.ui.internal.LegacyResourceSupport;
> import org.eclipse.ui.internal.WorkbenchMessages;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.wizards.IWizardDescriptor;
> 
> /**
>@@ -95,7 +96,7 @@
>                 IEditorInput input = ((IEditorPart) part).getEditorInput();
>                 Class fileClass = LegacyResourceSupport.getFileClass();
>                 if (input != null && fileClass != null) {
>-                    Object file = input.getAdapter(fileClass);
>+                    Object file = Util.getAdapter(input, fileClass);
>                     if (file != null) {
>                         selectionToPass = new StructuredSelection(file);
>                     }
>@@ -155,7 +156,7 @@
>      * @since 3.1
>      */
>     private IPluginContribution getPluginContribution() {
>-		return (IPluginContribution) wizardElement
>-				.getAdapter(IPluginContribution.class);
>+		return (IPluginContribution) Util.getAdapter(wizardElement,
>+				IPluginContribution.class);
> 	}
> }
>Index: Eclipse UI/org/eclipse/ui/internal/operations/AdvancedValidationUserApprover.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/operations/AdvancedValidationUserApprover.java,v
>retrieving revision 1.11
>diff -u -r1.11 AdvancedValidationUserApprover.java
>--- Eclipse UI/org/eclipse/ui/internal/operations/AdvancedValidationUserApprover.java	6 Sep 2006 19:38:24 -0000	1.11
>+++ Eclipse UI/org/eclipse/ui/internal/operations/AdvancedValidationUserApprover.java	7 Sep 2006 18:54:00 -0000
>@@ -37,6 +37,7 @@
> import org.eclipse.ui.internal.WorkbenchMessages;
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.misc.StatusUtil;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * <p>
>@@ -387,7 +388,7 @@
> 	 */
> 	Shell getShell(IAdaptable uiInfo) {
> 		if (uiInfo != null) {
>-			Shell shell = (Shell) uiInfo.getAdapter(Shell.class);
>+			Shell shell = (Shell) Util.getAdapter(uiInfo, Shell.class);
> 			if (shell != null) {
> 				return shell;
> 			}
>Index: Eclipse UI/org/eclipse/ui/internal/dialogs/WorkbenchWizardNode.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/WorkbenchWizardNode.java,v
>retrieving revision 1.15
>diff -u -r1.15 WorkbenchWizardNode.java
>--- Eclipse UI/org/eclipse/ui/internal/dialogs/WorkbenchWizardNode.java	26 Jun 2006 14:50:19 -0000	1.15
>+++ Eclipse UI/org/eclipse/ui/internal/dialogs/WorkbenchWizardNode.java	7 Sep 2006 18:54:00 -0000
>@@ -26,6 +26,7 @@
> import org.eclipse.ui.IWorkbenchWizard;
> import org.eclipse.ui.internal.WorkbenchMessages;
> import org.eclipse.ui.internal.WorkbenchPlugin;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.wizards.IWizardDescriptor;
> 
> /**
>@@ -95,8 +96,8 @@
>      * @see org.eclipse.ui.IPluginContribution#getLocalId()
>      */
>     public String getLocalId() {
>-    	IPluginContribution contribution = (IPluginContribution) wizardElement
>-				.getAdapter(IPluginContribution.class);
>+    	IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement,
>+				IPluginContribution.class);
> 		if (contribution != null) {
> 			return contribution.getLocalId();
> 		}
>@@ -107,8 +108,8 @@
>      * @see org.eclipse.ui.IPluginContribution#getPluginId()
>      */
>     public String getPluginId() {
>-       	IPluginContribution contribution = (IPluginContribution) wizardElement
>-				.getAdapter(IPluginContribution.class);
>+       	IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement,
>+				IPluginContribution.class);
> 		if (contribution != null) {
> 			return contribution.getLocalId();
> 		}
>@@ -134,7 +135,7 @@
>                              * Add the exception details to status is one happens.
>                              */
>                             public void handleException(Throwable e) {
>-                               	IPluginContribution contribution = (IPluginContribution) wizardElement.getAdapter(IPluginContribution.class);
>+                               	IPluginContribution contribution = (IPluginContribution) Util.getAdapter(wizardElement, IPluginContribution.class);
>                                 statuses[0] = new Status(
>                                         IStatus.ERROR,
>                                         contribution != null ? contribution.getPluginId() : WorkbenchPlugin.PI_WORKBENCH,
>Index: Eclipse UI/org/eclipse/ui/internal/dialogs/RegistryPageContributor.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/RegistryPageContributor.java,v
>retrieving revision 1.26
>diff -u -r1.26 RegistryPageContributor.java
>--- Eclipse UI/org/eclipse/ui/internal/dialogs/RegistryPageContributor.java	8 May 2006 20:55:45 -0000	1.26
>+++ Eclipse UI/org/eclipse/ui/internal/dialogs/RegistryPageContributor.java	7 Sep 2006 18:54:00 -0000
>@@ -35,6 +35,7 @@
> import org.eclipse.ui.internal.registry.CategorizedPageRegistryReader;
> import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
> import org.eclipse.ui.internal.registry.PropertyPagesRegistryReader;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.model.IWorkbenchAdapter;
> import org.eclipse.ui.plugin.AbstractUIPlugin;
> 
>@@ -212,14 +213,12 @@
> 				.getAttribute(PropertyPagesRegistryReader.ATT_NAME_FILTER);
> 		if (nameFilter != null) {
> 			String objectName = object.toString();
>-			if (object instanceof IAdaptable) {
>-				IWorkbenchAdapter adapter = (IWorkbenchAdapter) ((IAdaptable) object)
>-						.getAdapter(IWorkbenchAdapter.class);
>-				if (adapter != null) {
>-					String elementName = adapter.getLabel(object);
>-					if (elementName != null) {
>-						objectName = elementName;
>-					}
>+			IWorkbenchAdapter adapter = (IWorkbenchAdapter) Util.getAdapter(object, 
>+                    IWorkbenchAdapter.class);
>+			if (adapter != null) {
>+				String elementName = adapter.getLabel(object);
>+				if (elementName != null) {
>+					objectName = elementName;
> 				}
> 			}
> 			if (!SelectionEnabler.verifyNameMatch(objectName, nameFilter))
>@@ -237,12 +236,7 @@
> 			object = adaptedObject;
> 		}
> 
>-		if (object instanceof IActionFilter) {
>-			filter = (IActionFilter) object;
>-		} else if (object instanceof IAdaptable) {
>-			filter = (IActionFilter) ((IAdaptable) object)
>-					.getAdapter(IActionFilter.class);
>-		}
>+        filter = (IActionFilter)Util.getAdapter(object, IActionFilter.class);
> 
> 		if (filter != null)
> 			return testCustom(object, filter);
>Index: Eclipse UI/org/eclipse/ui/internal/dialogs/AdaptableForwarder.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/AdaptableForwarder.java,v
>retrieving revision 1.2
>diff -u -r1.2 AdaptableForwarder.java
>--- Eclipse UI/org/eclipse/ui/internal/dialogs/AdaptableForwarder.java	4 Apr 2006 18:12:56 -0000	1.2
>+++ Eclipse UI/org/eclipse/ui/internal/dialogs/AdaptableForwarder.java	7 Sep 2006 18:54:00 -0000
>@@ -11,6 +11,7 @@
> package org.eclipse.ui.internal.dialogs;
> 
> import org.eclipse.core.runtime.IAdaptable;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * Class that wraps an object and forwards adapter calls if possible, otherwise
>@@ -35,12 +36,6 @@
> 	 * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class)
> 	 */
> 	public Object getAdapter(Class adapter) {
>-		if(adapter.isInstance(element)) {
>-			return element;
>-		}
>-		if(element instanceof IAdaptable) {
>-			return ((IAdaptable)element).getAdapter(adapter);
>-		}
>-		return null;
>+        return Util.getAdapter(element, adapter);
> 	}
> }
>Index: Eclipse UI/org/eclipse/ui/internal/dialogs/PreferencePageHistory.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/PreferencePageHistory.java,v
>retrieving revision 1.16
>diff -u -r1.16 PreferencePageHistory.java
>--- Eclipse UI/org/eclipse/ui/internal/dialogs/PreferencePageHistory.java	8 May 2006 20:55:45 -0000	1.16
>+++ Eclipse UI/org/eclipse/ui/internal/dialogs/PreferencePageHistory.java	7 Sep 2006 18:54:00 -0000
>@@ -37,6 +37,7 @@
> import org.eclipse.ui.handlers.IHandlerService;
> import org.eclipse.ui.internal.WorkbenchMessages;
> import org.eclipse.ui.internal.WorkbenchPlugin;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * History for navigating preference pages.
>@@ -296,8 +297,8 @@
> 	 */
> 	private void registerKeybindings(IAction action) {
> 		final IHandler handler = new ActionHandler(action);
>-		final IHandlerService handlerService = (IHandlerService) PlatformUI
>-				.getWorkbench().getAdapter(IHandlerService.class);
>+		final IHandlerService handlerService = (IHandlerService) Util.getAdapter(PlatformUI
>+				.getWorkbench(), IHandlerService.class);
> 		final IHandlerActivation activation = handlerService.activateHandler(
> 				action.getActionDefinitionId(), handler,
> 				new ActiveShellExpression(dialog.getShell()));
>@@ -309,8 +310,8 @@
> 	 *
> 	 */
> 	public void dispose() {
>-		final IHandlerService handlerService = (IHandlerService) PlatformUI
>-				.getWorkbench().getAdapter(IHandlerService.class);
>+		final IHandlerService handlerService = (IHandlerService) Util.getAdapter(PlatformUI
>+				.getWorkbench(), IHandlerService.class);
> 		final Iterator iterator = activations.iterator();
> 		while (iterator.hasNext()) {
> 			handlerService.deactivateHandler((IHandlerActivation) iterator
>Index: Eclipse UI/org/eclipse/ui/internal/dialogs/PropertyDialog.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/dialogs/PropertyDialog.java,v
>retrieving revision 1.27
>diff -u -r1.27 PropertyDialog.java
>--- Eclipse UI/org/eclipse/ui/internal/dialogs/PropertyDialog.java	8 May 2006 20:55:45 -0000	1.27
>+++ Eclipse UI/org/eclipse/ui/internal/dialogs/PropertyDialog.java	7 Sep 2006 18:54:00 -0000
>@@ -12,8 +12,6 @@
> 
> import java.util.Iterator;
> 
>-import org.eclipse.core.runtime.IAdaptable;
>-import org.eclipse.core.runtime.Platform;
> import org.eclipse.jface.dialogs.MessageDialog;
> import org.eclipse.jface.preference.PreferenceManager;
> import org.eclipse.jface.viewers.ISelection;
>@@ -23,6 +21,7 @@
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.internal.IWorkbenchHelpContextIds;
> import org.eclipse.ui.internal.WorkbenchMessages;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.model.IWorkbenchAdapter;
> 
> /**
>@@ -98,14 +97,7 @@
> 	 * @return the name of the element
> 	 */
> 	private static String getName(Object element) {
>-		IWorkbenchAdapter adapter = null;
>-		if (element instanceof IAdaptable) {
>-			adapter = (IWorkbenchAdapter) ((IAdaptable) element)
>-					.getAdapter(IWorkbenchAdapter.class);
>-		} else {
>-			adapter = (IWorkbenchAdapter) Platform.getAdapterManager()
>-					.getAdapter(element, IWorkbenchAdapter.class);
>-		}
>+		IWorkbenchAdapter adapter = (IWorkbenchAdapter)Util.getAdapter(element, IWorkbenchAdapter.class);
> 		if (adapter != null) {
> 			return adapter.getLabel(element);
> 		}
>Index: Eclipse UI/org/eclipse/ui/SelectionEnabler.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/SelectionEnabler.java,v
>retrieving revision 1.15
>diff -u -r1.15 SelectionEnabler.java
>--- Eclipse UI/org/eclipse/ui/SelectionEnabler.java	8 May 2006 20:55:32 -0000	1.15
>+++ Eclipse UI/org/eclipse/ui/SelectionEnabler.java	7 Sep 2006 18:54:00 -0000
>@@ -487,8 +487,7 @@
> 			if (sc.nameFilter == null) {
> 				return true;
> 			}
>-			IWorkbenchAdapter de = (IWorkbenchAdapter) element
>-					.getAdapter(IWorkbenchAdapter.class);
>+			IWorkbenchAdapter de = (IWorkbenchAdapter) Util.getAdapter(element, IWorkbenchAdapter.class);
> 			if ((de != null)
> 					&& verifyNameMatch(de.getLabel(element), sc.nameFilter)) {
> 				return true;
>Index: Eclipse UI/org/eclipse/ui/internal/handlers/ShowKeyAssistHandler.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/handlers/ShowKeyAssistHandler.java,v
>retrieving revision 1.3
>diff -u -r1.3 ShowKeyAssistHandler.java
>--- Eclipse UI/org/eclipse/ui/internal/handlers/ShowKeyAssistHandler.java	15 Jun 2005 18:41:21 -0000	1.3
>+++ Eclipse UI/org/eclipse/ui/internal/handlers/ShowKeyAssistHandler.java	7 Sep 2006 18:54:00 -0000
>@@ -14,6 +14,7 @@
> import org.eclipse.core.commands.ExecutionEvent;
> import org.eclipse.ui.IWorkbench;
> import org.eclipse.ui.PlatformUI;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.keys.IBindingService;
> 
> /**
>@@ -33,8 +34,8 @@
> 	 */
> 	public Object execute(final ExecutionEvent event) {
> 		final IWorkbench workbench = PlatformUI.getWorkbench();
>-		final IBindingService bindingService = (IBindingService) workbench
>-				.getAdapter(IBindingService.class);
>+		final IBindingService bindingService = (IBindingService) Util.getAdapter(workbench,
>+				IBindingService.class);
> 		bindingService.openKeyAssistDialog();
> 		return null;
> 	}
>Index: Eclipse UI/org/eclipse/ui/actions/BaseNewWizardMenu.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/actions/BaseNewWizardMenu.java,v
>retrieving revision 1.16
>diff -u -r1.16 BaseNewWizardMenu.java
>--- Eclipse UI/org/eclipse/ui/actions/BaseNewWizardMenu.java	8 May 2006 20:55:38 -0000	1.16
>+++ Eclipse UI/org/eclipse/ui/actions/BaseNewWizardMenu.java	7 Sep 2006 18:54:00 -0000
>@@ -35,6 +35,7 @@
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.WorkbenchWindow;
> import org.eclipse.ui.internal.actions.NewWizardShortcutAction;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.wizards.IWizardDescriptor;
> 
> /**
>@@ -177,8 +178,8 @@
>                 action = new NewWizardShortcutAction(workbenchWindow,
> 						wizardDesc);
> 				actions.put(id, action);
>-				IConfigurationElement element = (IConfigurationElement) wizardDesc
>-						.getAdapter(IConfigurationElement.class);
>+				IConfigurationElement element = (IConfigurationElement) Util
>+						.getAdapter(wizardDesc, IConfigurationElement.class);
> 				if (element != null) {
> 					workbenchWindow.getExtensionTracker().registerObject(
> 							element.getDeclaringExtension(), action,
>Index: Eclipse UI/org/eclipse/ui/actions/NewWizardAction.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/actions/NewWizardAction.java,v
>retrieving revision 1.26
>diff -u -r1.26 NewWizardAction.java
>--- Eclipse UI/org/eclipse/ui/actions/NewWizardAction.java	8 May 2006 20:55:38 -0000	1.26
>+++ Eclipse UI/org/eclipse/ui/actions/NewWizardAction.java	7 Sep 2006 18:54:00 -0000
>@@ -30,6 +30,7 @@
> import org.eclipse.ui.internal.WorkbenchMessages;
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.dialogs.NewWizard;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * Invoke the resource creation wizard selection Wizard.
>@@ -151,7 +152,7 @@
>                         .getActivePart();
>                 if (part instanceof IEditorPart) {
>                     IEditorInput input = ((IEditorPart) part).getEditorInput();
>-                    Object resource = input.getAdapter(resourceClass);
>+                    Object resource = Util.getAdapter(input, resourceClass);
>                     if (resource != null) {
>                         selectionToPass = new StructuredSelection(resource);
>                     }
>Index: Eclipse UI/org/eclipse/ui/internal/registry/ViewRegistry.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/registry/ViewRegistry.java,v
>retrieving revision 1.39
>diff -u -r1.39 ViewRegistry.java
>--- Eclipse UI/org/eclipse/ui/internal/registry/ViewRegistry.java	8 May 2006 20:55:49 -0000	1.39
>+++ Eclipse UI/org/eclipse/ui/internal/registry/ViewRegistry.java	7 Sep 2006 18:54:00 -0000
>@@ -10,7 +10,6 @@
>  *******************************************************************************/
> package org.eclipse.ui.internal.registry;
> 
>-import com.ibm.icu.text.MessageFormat;
> import java.util.ArrayList;
> import java.util.Comparator;
> import java.util.Iterator;
>@@ -30,11 +29,14 @@
> import org.eclipse.ui.IPluginContribution;
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.internal.WorkbenchPlugin;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.views.IStickyViewDescriptor;
> import org.eclipse.ui.views.IViewCategory;
> import org.eclipse.ui.views.IViewDescriptor;
> import org.eclipse.ui.views.IViewRegistry;
> 
>+import com.ibm.icu.text.MessageFormat;
>+
> /**
>  * The central manager for view descriptors.
>  */
>@@ -175,7 +177,7 @@
> 			dirtyViewCategoryMappings = true;
> 			// Mark categories list as dirty
> 			categories.add(desc);
>-			IConfigurationElement element = (IConfigurationElement) desc.getAdapter(IConfigurationElement.class);
>+			IConfigurationElement element = (IConfigurationElement) Util.getAdapter(desc, IConfigurationElement.class);
> 			if (element == null) {
> 				return;
> 			}
>Index: Eclipse UI/org/eclipse/ui/internal/registry/ViewDescriptor.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/registry/ViewDescriptor.java,v
>retrieving revision 1.32
>diff -u -r1.32 ViewDescriptor.java
>--- Eclipse UI/org/eclipse/ui/internal/registry/ViewDescriptor.java	8 May 2006 20:55:49 -0000	1.32
>+++ Eclipse UI/org/eclipse/ui/internal/registry/ViewDescriptor.java	7 Sep 2006 18:54:00 -0000
>@@ -27,6 +27,7 @@
> import org.eclipse.ui.handlers.IHandlerActivation;
> import org.eclipse.ui.handlers.IHandlerService;
> import org.eclipse.ui.internal.WorkbenchPlugin;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.plugin.AbstractUIPlugin;
> import org.eclipse.ui.views.IViewDescriptor;
> 
>@@ -251,8 +252,8 @@
>     public final void activateHandler() {
> 		if (handlerActivation == null) {
> 			final IHandler handler = new ShowViewHandler(getId());
>-			final IHandlerService handlerService = (IHandlerService) PlatformUI
>-					.getWorkbench().getAdapter(IHandlerService.class);
>+			final IHandlerService handlerService = (IHandlerService) Util.getAdapter(PlatformUI
>+					.getWorkbench(), IHandlerService.class);
> 			handlerActivation = handlerService
> 					.activateHandler(getId(), handler);
> 		}
>@@ -267,8 +268,8 @@
> 	 */
> 	public final void deactivateHandler() {
> 		if (handlerActivation != null) {
>-			final IHandlerService handlerService = (IHandlerService) PlatformUI
>-					.getWorkbench().getAdapter(IHandlerService.class);
>+			final IHandlerService handlerService = (IHandlerService) Util.getAdapter(PlatformUI
>+					.getWorkbench(), IHandlerService.class);
> 			handlerService.deactivateHandler(handlerActivation);
> 			handlerActivation = null;
> 		}
>Index: Eclipse UI/org/eclipse/ui/internal/registry/WizardsRegistryReader.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/registry/WizardsRegistryReader.java,v
>retrieving revision 1.22
>diff -u -r1.22 WizardsRegistryReader.java
>--- Eclipse UI/org/eclipse/ui/internal/registry/WizardsRegistryReader.java	8 May 2006 20:55:49 -0000	1.22
>+++ Eclipse UI/org/eclipse/ui/internal/registry/WizardsRegistryReader.java	7 Sep 2006 18:54:00 -0000
>@@ -10,7 +10,6 @@
>  *******************************************************************************/
> package org.eclipse.ui.internal.registry;
> 
>-import com.ibm.icu.text.Collator;
> import java.util.ArrayList;
> import java.util.Arrays;
> import java.util.Collections;
>@@ -28,6 +27,9 @@
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.dialogs.WizardCollectionElement;
> import org.eclipse.ui.internal.dialogs.WorkbenchWizardElement;
>+import org.eclipse.ui.internal.util.Util;
>+
>+import com.ibm.icu.text.Collator;
> 
> /**
>  *  Instances access the registry that is provided at creation time
>@@ -268,8 +270,8 @@
> 		}
> 
>         if (parent != null) {
>-			createCollectionElement(parent, (IConfigurationElement) category
>-					.getAdapter(IConfigurationElement.class));
>+			createCollectionElement(parent, (IConfigurationElement) Util.getAdapter(category,
>+					IConfigurationElement.class));
> 		}
>     }
> 
>Index: Eclipse UI/org/eclipse/ui/internal/contexts/WorkbenchContextSupport.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/contexts/WorkbenchContextSupport.java,v
>retrieving revision 1.4
>diff -u -r1.4 WorkbenchContextSupport.java
>--- Eclipse UI/org/eclipse/ui/internal/contexts/WorkbenchContextSupport.java	1 Dec 2005 21:20:16 -0000	1.4
>+++ Eclipse UI/org/eclipse/ui/internal/contexts/WorkbenchContextSupport.java	7 Sep 2006 18:54:00 -0000
>@@ -25,6 +25,7 @@
> import org.eclipse.ui.contexts.IContextService;
> import org.eclipse.ui.contexts.IWorkbenchContextSupport;
> import org.eclipse.ui.internal.Workbench;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.keys.IBindingService;
> 
> /**
>@@ -80,10 +81,10 @@
> 	public WorkbenchContextSupport(final Workbench workbenchToSupport,
> 			final ContextManager contextManager) {
> 		workbench = workbenchToSupport;
>-		contextService = (IContextService) workbench
>-				.getAdapter(IContextService.class);
>-		bindingService = (IBindingService) workbench
>-				.getAdapter(IBindingService.class);
>+		contextService = (IContextService) Util.getAdapter(workbench,
>+				IContextService.class);
>+		bindingService = (IBindingService) Util.getAdapter(workbench,
>+				IBindingService.class);
> 		contextManagerWrapper = ContextManagerFactory
> 				.getContextManagerWrapper(contextManager);
> 	}
>Index: Eclipse UI/org/eclipse/ui/operations/NonLocalUndoUserApprover.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/operations/NonLocalUndoUserApprover.java,v
>retrieving revision 1.17
>diff -u -r1.17 NonLocalUndoUserApprover.java
>--- Eclipse UI/org/eclipse/ui/operations/NonLocalUndoUserApprover.java	6 Sep 2006 20:16:47 -0000	1.17
>+++ Eclipse UI/org/eclipse/ui/operations/NonLocalUndoUserApprover.java	7 Sep 2006 18:54:00 -0000
>@@ -26,6 +26,7 @@
> import org.eclipse.ui.IEditorPart;
> import org.eclipse.ui.internal.Workbench;
> import org.eclipse.ui.internal.WorkbenchMessages;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * <p>
>@@ -184,10 +185,9 @@
> 					// one last try - try to adapt the modified element if a
> 					// preferred
> 					// comparison class has been provided.
>-					if (affectedObjectsClass != null
>-							&& modifiedElement instanceof IAdaptable) {
>-						if (elementsContains(((IAdaptable) modifiedElement)
>-								.getAdapter(affectedObjectsClass))) {
>+					if (affectedObjectsClass != null) {
>+						if (elementsContains((Util.getAdapter(modifiedElement, 
>+								affectedObjectsClass)))) {
> 							local = true;
> 						}
> 					}
>@@ -248,8 +248,8 @@
> 		// not originate
> 		// in our context.
> 		if (uiInfo != null) {
>-			IUndoContext originatingContext = (IUndoContext) uiInfo
>-					.getAdapter(IUndoContext.class);
>+			IUndoContext originatingContext = (IUndoContext) Util.getAdapter(uiInfo, 
>+					IUndoContext.class);
> 			if (originatingContext != null
> 					&& !(originatingContext.matches(context))) {
> 				return false;
>@@ -276,10 +276,8 @@
> 				Object element = elements[i];
> 				elementsAndAdapters.add(element);
> 				if (affectedObjectsClass != null
>-						&& !affectedObjectsClass.isInstance(element)
>-						&& element instanceof IAdaptable) {
>-					Object adapter = ((IAdaptable) element)
>-							.getAdapter(affectedObjectsClass);
>+						&& !affectedObjectsClass.isInstance(element)) {
>+					Object adapter = Util.getAdapter(element, affectedObjectsClass);
> 					if (adapter != null) {
> 						elementsAndAdapters.add(adapter);
> 					}
>Index: Eclipse UI/org/eclipse/ui/operations/OperationHistoryActionHandler.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/operations/OperationHistoryActionHandler.java,v
>retrieving revision 1.36
>diff -u -r1.36 OperationHistoryActionHandler.java
>--- Eclipse UI/org/eclipse/ui/operations/OperationHistoryActionHandler.java	8 May 2006 20:55:52 -0000	1.36
>+++ Eclipse UI/org/eclipse/ui/operations/OperationHistoryActionHandler.java	7 Sep 2006 18:54:00 -0000
>@@ -39,6 +39,7 @@
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.misc.StatusUtil;
> import org.eclipse.ui.internal.operations.TimeTriggeredProgressMonitorDialog;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.part.MultiPageEditorSite;
> 
> /**
>@@ -330,7 +331,7 @@
> 			// See https://bugs.eclipse.org/bugs/show_bug.cgi?id=108144
> 			IWorkbenchPart part = site.getPart();
> 			if (part != null) {
>-				return part.getAdapter(adapter);
>+				return Util.getAdapter(part, adapter);
> 			}
> 		}
> 		return null;
>Index: Eclipse UI/org/eclipse/ui/internal/util/Util.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/util/Util.java,v
>retrieving revision 1.37
>diff -u -r1.37 Util.java
>--- Eclipse UI/org/eclipse/ui/internal/util/Util.java	8 May 2006 20:55:52 -0000	1.37
>+++ Eclipse UI/org/eclipse/ui/internal/util/Util.java	7 Sep 2006 18:54:00 -0000
>@@ -28,6 +28,10 @@
> import java.util.TreeMap;
> import java.util.TreeSet;
> 
>+import org.eclipse.core.runtime.Assert;
>+import org.eclipse.core.runtime.IAdaptable;
>+import org.eclipse.core.runtime.Platform;
>+import org.eclipse.core.runtime.PlatformObject;
> import org.eclipse.swt.widgets.Shell;
> import org.eclipse.ui.IWorkbenchWindow;
> import org.eclipse.ui.PlatformUI;
>@@ -60,6 +64,56 @@
> 
>         return ZERO_LENGTH_STRING;
>     }
>+    
>+    /**
>+     * If it is possible to adapt the given object to the given type, this
>+     * returns the adapter. Performs the following checks:
>+     * 
>+     * <ol>
>+     * <li>Returns <code>sourceObject</code> if it is an instance of the
>+     * adapter type.</li>
>+     * <li>If sourceObject implements IAdaptable, it is queried for adapters.</li>
>+     * <li>If sourceObject is not an instance of PlatformObject (which would have
>+     * already done so), the adapter manager is queried for adapters</li>
>+     * </ol>
>+     * 
>+     * Otherwise returns null.
>+     * 
>+     * @param sourceObject
>+     *            object to adapt
>+     * @param adapter
>+     *            type to adapt to
>+     * @return a representation of sourceObject that is assignable to the
>+     *         adapter type, or null if no such representation exists
>+     */
>+    public static Object getAdapter(Object sourceObject, Class adapter) {
>+        if (sourceObject == null || adapter == null) {
>+            return null;
>+        }
>+        if (adapter.isInstance(sourceObject)) {
>+            return sourceObject;
>+        }
>+
>+        if (sourceObject instanceof IAdaptable) {
>+            IAdaptable adaptable = (IAdaptable) sourceObject;
>+
>+            Object result = adaptable.getAdapter(adapter);
>+            if (result != null) {
>+                // Sanity-check
>+                Assert.isTrue(adapter.isInstance(result));
>+                return result;
>+            }
>+        } 
>+        
>+        if (!(sourceObject instanceof PlatformObject)) {
>+            Object result = Platform.getAdapterManager().loadAdapter(sourceObject, adapter.getName());
>+            if (result != null) {
>+                return result;
>+            }
>+        }
>+
>+        return null;
>+    }
> 
>     public static void assertInstance(Object object, Class c) {
>         assertInstance(object, c, false);
>Index: Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistField.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistField.java,v
>retrieving revision 1.9
>diff -u -r1.9 ContentAssistField.java
>--- Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistField.java	28 Feb 2006 16:10:54 -0000	1.9
>+++ Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistField.java	7 Sep 2006 18:54:00 -0000
>@@ -22,6 +22,7 @@
> import org.eclipse.swt.widgets.Composite;
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.internal.WorkbenchMessages;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.keys.IBindingService;
> 
> /**
>@@ -125,8 +126,8 @@
> 		}
> 		// Always update the decoration text since the key binding may
> 		// have changed since it was last retrieved.
>-		IBindingService bindingService = (IBindingService) PlatformUI
>-				.getWorkbench().getAdapter(IBindingService.class);
>+		IBindingService bindingService = (IBindingService) Util.getAdapter(PlatformUI
>+				.getWorkbench(), IBindingService.class);
> 		dec.setDescription(NLS.bind(
> 				WorkbenchMessages.ContentAssist_Cue_Description_Key,
> 				bindingService.getBestActiveBindingFormattedFor(adapter
>Index: Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistCommandAdapter.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistCommandAdapter.java,v
>retrieving revision 1.8
>diff -u -r1.8 ContentAssistCommandAdapter.java
>--- Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistCommandAdapter.java	15 Mar 2006 22:00:43 -0000	1.8
>+++ Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistCommandAdapter.java	7 Sep 2006 18:54:00 -0000
>@@ -25,6 +25,7 @@
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.handlers.IHandlerActivation;
> import org.eclipse.ui.handlers.IHandlerService;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * ContentAssistCommandAdapter extends {@link ContentProposalAdapter} to invoke
>@@ -115,8 +116,8 @@
> 		addListeners(control);
> 
> 		// Cache the handler service so we don't have to retrieve it each time
>-		this.handlerService = (IHandlerService) PlatformUI.getWorkbench()
>-				.getAdapter(IHandlerService.class);
>+		this.handlerService = (IHandlerService) Util.getAdapter(PlatformUI.getWorkbench(), 
>+				IHandlerService.class);
> 	}
> 
> 	/*
>Index: Eclipse UI/org/eclipse/ui/internal/keys/KeysPreferencePage.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/keys/KeysPreferencePage.java,v
>retrieving revision 1.12
>diff -u -r1.12 KeysPreferencePage.java
>--- Eclipse UI/org/eclipse/ui/internal/keys/KeysPreferencePage.java	21 Aug 2006 19:39:28 -0000	1.12
>+++ Eclipse UI/org/eclipse/ui/internal/keys/KeysPreferencePage.java	7 Sep 2006 18:54:00 -0000
>@@ -1215,12 +1215,12 @@
> 
> 	public final void init(final IWorkbench workbench) {
> 		activityManager = workbench.getActivitySupport().getActivityManager();
>-		bindingService = (IBindingService) workbench
>-				.getAdapter(IBindingService.class);
>-		commandService = (ICommandService) workbench
>-				.getAdapter(ICommandService.class);
>-		contextService = (IContextService) workbench
>-				.getAdapter(IContextService.class);
>+		bindingService = (IBindingService) Util.getAdapter(workbench,
>+				IBindingService.class);
>+		commandService = (ICommandService) Util.getAdapter(workbench,
>+				ICommandService.class);
>+		contextService = (IContextService) Util.getAdapter(workbench,
>+				IContextService.class);
> 	}
> 
> 	/**
>Index: Eclipse UI/org/eclipse/ui/internal/keys/NewKeysPreferencePage.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/keys/NewKeysPreferencePage.java,v
>retrieving revision 1.27
>diff -u -r1.27 NewKeysPreferencePage.java
>--- Eclipse UI/org/eclipse/ui/internal/keys/NewKeysPreferencePage.java	8 May 2006 20:55:48 -0000	1.27
>+++ Eclipse UI/org/eclipse/ui/internal/keys/NewKeysPreferencePage.java	7 Sep 2006 18:54:00 -0000
>@@ -1279,14 +1279,14 @@
> 	 * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
> 	 */
> 	public final void init(final IWorkbench workbench) {
>-		bindingService = (IBindingService) workbench
>-				.getAdapter(IBindingService.class);
>-		commandImageService = (ICommandImageService) workbench
>-				.getAdapter(ICommandImageService.class);
>-		commandService = (ICommandService) workbench
>-				.getAdapter(ICommandService.class);
>-		contextService = (IContextService) workbench
>-				.getAdapter(IContextService.class);
>+		bindingService = (IBindingService) Util.getAdapter(workbench,
>+				IBindingService.class);
>+		commandImageService = (ICommandImageService) Util.getAdapter(workbench,
>+				ICommandImageService.class);
>+		commandService = (ICommandService) Util.getAdapter(workbench,
>+				ICommandService.class);
>+		contextService = (IContextService) Util.getAdapter(workbench,
>+				IContextService.class);
> 	}
> 
> 	/**
>Index: Eclipse UI/org/eclipse/ui/internal/keys/WorkbenchKeyboard.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/keys/WorkbenchKeyboard.java,v
>retrieving revision 1.88
>diff -u -r1.88 WorkbenchKeyboard.java
>--- Eclipse UI/org/eclipse/ui/internal/keys/WorkbenchKeyboard.java	8 May 2006 20:55:48 -0000	1.88
>+++ Eclipse UI/org/eclipse/ui/internal/keys/WorkbenchKeyboard.java	7 Sep 2006 18:54:00 -0000
>@@ -461,8 +461,8 @@
> 		}
> 
> 		try {
>-			final IHandlerService handlerService = (IHandlerService) workbench
>-					.getAdapter(IHandlerService.class);
>+			final IHandlerService handlerService = (IHandlerService) Util.getAdapter(workbench,
>+					IHandlerService.class);
> 			handlerService.executeCommand(parameterizedCommand, trigger);
> 		} catch (final NotDefinedException e) {
> 			// The command is not defined. Forwarded to the IExecutionListener.
>@@ -589,8 +589,8 @@
> 	 */
> 	private Binding getPerfectMatch(KeySequence keySequence) {
> 		if (bindingService == null) {
>-			bindingService = (IBindingService) workbench
>-					.getAdapter(IBindingService.class);
>+			bindingService = (IBindingService) Util.getAdapter(workbench,
>+					IBindingService.class);
> 		}
> 		return bindingService.getPerfectMatch(keySequence);
> 	}
>@@ -643,8 +643,8 @@
> 	 */
> 	private boolean isPartialMatch(KeySequence keySequence) {
> 		if (bindingService == null) {
>-			bindingService = (IBindingService) workbench
>-					.getAdapter(IBindingService.class);
>+			bindingService = (IBindingService) Util.getAdapter(workbench,
>+					IBindingService.class);
> 		}
> 		return bindingService.isPartialMatch(keySequence);
> 	}
>@@ -661,8 +661,8 @@
> 	 */
> 	private boolean isPerfectMatch(KeySequence keySequence) {
> 		if (bindingService == null) {
>-			bindingService = (IBindingService) workbench
>-					.getAdapter(IBindingService.class);
>+			bindingService = (IBindingService) Util.getAdapter(workbench,
>+					IBindingService.class);
> 		}
> 		return bindingService.isPerfectMatch(keySequence);
> 	}
>@@ -764,8 +764,8 @@
> 			final Widget widget = event.widget;
> 
> 			// Update the contexts.
>-			final ContextService contextService = (ContextService) workbench
>-					.getAdapter(IContextService.class);
>+			final ContextService contextService = (ContextService) Util.getAdapter(workbench,
>+					IContextService.class);
> 			if ((widget instanceof Control) && (!widget.isDisposed())) {
> 				final Shell shell = ((Control) widget).getShell();
> 				contextService.updateShellKludge(shell);
>@@ -774,8 +774,8 @@
> 			}
> 
> 			// Update the handlers.
>-			final HandlerService handlerService = (HandlerService) workbench
>-					.getAdapter(IHandlerService.class);
>+			final HandlerService handlerService = (HandlerService) Util.getAdapter(workbench,
>+					IHandlerService.class);
> 			if ((widget instanceof Control) && (!widget.isDisposed())) {
> 				final Shell shell = ((Control) widget).getShell();
> 				handlerService.updateShellKludge(shell);
>Index: Eclipse UI/org/eclipse/ui/internal/keys/KeyAssistDialog.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/internal/keys/KeyAssistDialog.java,v
>retrieving revision 1.26
>diff -u -r1.26 KeyAssistDialog.java
>--- Eclipse UI/org/eclipse/ui/internal/keys/KeyAssistDialog.java	8 May 2006 20:55:47 -0000	1.26
>+++ Eclipse UI/org/eclipse/ui/internal/keys/KeyAssistDialog.java	7 Sep 2006 18:54:00 -0000
>@@ -166,10 +166,10 @@
> 
> 		this.activityManager = workbench.getActivitySupport()
> 				.getActivityManager();
>-		this.bindingService = (IBindingService) workbench
>-				.getAdapter(IBindingService.class);
>-		this.commandService = (ICommandService) workbench
>-				.getAdapter(ICommandService.class);
>+		this.bindingService = (IBindingService) Util.getAdapter(workbench,
>+				IBindingService.class);
>+		this.commandService = (ICommandService) Util.getAdapter(workbench,
>+				ICommandService.class);
> 		this.keyBindingState = associatedState;
> 		this.workbenchKeyboard = associatedKeyboard;
> 		
>@@ -649,8 +649,8 @@
> 	 */
> 	private final void registerShellType() {
> 		final Shell shell = getShell();
>-		final IContextService contextService = (IContextService) keyBindingState
>-				.getAssociatedWindow().getWorkbench().getAdapter(
>+		final IContextService contextService = (IContextService) Util.getAdapter(keyBindingState
>+				.getAssociatedWindow().getWorkbench(),
> 						IContextService.class);
> 		contextService.registerShell(shell, contextService
> 				.getShellType((Shell) shell.getParent()));
>Index: Eclipse UI/org/eclipse/ui/model/WorkbenchLabelProvider.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/model/WorkbenchLabelProvider.java,v
>retrieving revision 1.19
>diff -u -r1.19 WorkbenchLabelProvider.java
>--- Eclipse UI/org/eclipse/ui/model/WorkbenchLabelProvider.java	15 Jun 2005 18:41:21 -0000	1.19
>+++ Eclipse UI/org/eclipse/ui/model/WorkbenchLabelProvider.java	7 Sep 2006 18:54:00 -0000
>@@ -10,7 +10,6 @@
>  *******************************************************************************/
> package org.eclipse.ui.model;
> 
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.jface.resource.ImageDescriptor;
> import org.eclipse.jface.viewers.DecoratingLabelProvider;
> import org.eclipse.jface.viewers.IColorProvider;
>@@ -28,6 +27,7 @@
> import org.eclipse.ui.IPropertyListener;
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.internal.util.SWTResourceUtil;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * Provides basic labels for adaptable objects that have the
>@@ -121,11 +121,7 @@
>      * object is not adaptable. 
>      */
>     protected final IWorkbenchAdapter getAdapter(Object o) {
>-        if (!(o instanceof IAdaptable)) {
>-            return null;
>-        }
>-        return (IWorkbenchAdapter) ((IAdaptable) o)
>-                .getAdapter(IWorkbenchAdapter.class);
>+        return (IWorkbenchAdapter)Util.getAdapter(o, IWorkbenchAdapter.class);
>     }
> 
>     /**
>@@ -136,11 +132,7 @@
>      * object is not adaptable. 
>      */
>     protected final IWorkbenchAdapter2 getAdapter2(Object o) {
>-        if (!(o instanceof IAdaptable)) {
>-            return null;
>-        }
>-        return (IWorkbenchAdapter2) ((IAdaptable) o)
>-                .getAdapter(IWorkbenchAdapter2.class);
>+        return (IWorkbenchAdapter2)Util.getAdapter(o, IWorkbenchAdapter2.class);
>     }
> 
>     /* (non-Javadoc)
>Index: Eclipse UI/org/eclipse/ui/model/BaseWorkbenchContentProvider.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/model/BaseWorkbenchContentProvider.java,v
>retrieving revision 1.5
>diff -u -r1.5 BaseWorkbenchContentProvider.java
>--- Eclipse UI/org/eclipse/ui/model/BaseWorkbenchContentProvider.java	25 Feb 2005 20:52:37 -0000	1.5
>+++ Eclipse UI/org/eclipse/ui/model/BaseWorkbenchContentProvider.java	7 Sep 2006 18:54:00 -0000
>@@ -10,9 +10,9 @@
>  *******************************************************************************/
> package org.eclipse.ui.model;
> 
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.jface.viewers.ITreeContentProvider;
> import org.eclipse.jface.viewers.Viewer;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * Tree content provider for objects that can be adapted to the interface
>@@ -52,11 +52,7 @@
>      * @return the corresponding workbench adapter object
>      */
>     protected IWorkbenchAdapter getAdapter(Object element) {
>-        if (!(element instanceof IAdaptable)) {
>-            return null;
>-        }
>-        return (IWorkbenchAdapter) ((IAdaptable) element)
>-                .getAdapter(IWorkbenchAdapter.class);
>+        return (IWorkbenchAdapter)Util.getAdapter(element, IWorkbenchAdapter.class);
>     }
> 
>     /* (non-Javadoc)
>Index: Eclipse UI/org/eclipse/ui/part/MultiPageEditorPart.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/part/MultiPageEditorPart.java,v
>retrieving revision 1.40
>diff -u -r1.40 MultiPageEditorPart.java
>--- Eclipse UI/org/eclipse/ui/part/MultiPageEditorPart.java	2 Jun 2006 00:18:08 -0000	1.40
>+++ Eclipse UI/org/eclipse/ui/part/MultiPageEditorPart.java	7 Sep 2006 18:54:00 -0000
>@@ -42,6 +42,7 @@
> import org.eclipse.ui.PartInitException;
> import org.eclipse.ui.internal.WorkbenchPlugin;
> import org.eclipse.ui.internal.services.INestable;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.services.IServiceLocator;
> 
> /**
>@@ -813,7 +814,7 @@
> 			IEditorPart innerEditor = getActiveEditor();
> 			// see bug 138823 - this is a hack
> 			if (innerEditor != null && innerEditor != this) {
>-				result = innerEditor.getAdapter(adapter);
>+				result = Util.getAdapter(innerEditor, adapter);
> 			}
> 		}
> 		return result;
>Index: Eclipse UI/org/eclipse/ui/part/PageBookView.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/part/PageBookView.java,v
>retrieving revision 1.32
>diff -u -r1.32 PageBookView.java
>--- Eclipse UI/org/eclipse/ui/part/PageBookView.java	8 May 2006 20:55:33 -0000	1.32
>+++ Eclipse UI/org/eclipse/ui/part/PageBookView.java	7 Sep 2006 18:54:00 -0000
>@@ -17,7 +17,6 @@
> import java.util.Set;
> 
> import org.eclipse.core.commands.common.EventManager;
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.core.runtime.Platform;
> import org.eclipse.jface.action.IAction;
> import org.eclipse.jface.util.IPropertyChangeListener;
>@@ -39,6 +38,7 @@
> import org.eclipse.ui.PartInitException;
> import org.eclipse.ui.SubActionBars;
> import org.eclipse.ui.internal.WorkbenchPlugin;
>+import org.eclipse.ui.internal.util.Util;
> 
> /**
>  * Abstract superclass of all multi-page workbench views.
>@@ -565,15 +565,13 @@
> 	public Object getAdapter(Class key) {
> 		// delegate to the current page, if supported
> 		IPage page = getCurrentPage();
>-		if (page instanceof IAdaptable) {
>-			Object adapter = ((IAdaptable) page).getAdapter(key);
>-			if (adapter != null) {
>-				return adapter;
>-			}
>+		Object adapter = Util.getAdapter(page, key);
>+		if (adapter != null) {
>+			return adapter;
> 		}
> 		// if the page did not find the adapter, look for one provided by
> 		// this view before delegating to super.
>-		Object adapter = getViewAdapter(key);
>+		adapter = getViewAdapter(key);
> 		if (adapter != null) {
> 			return adapter;
> 		}
>Index: Eclipse UI/org/eclipse/ui/progress/DeferredTreeContentManager.java
>===================================================================
>RCS file: /home/eclipse/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/progress/DeferredTreeContentManager.java,v
>retrieving revision 1.51
>diff -u -r1.51 DeferredTreeContentManager.java
>--- Eclipse UI/org/eclipse/ui/progress/DeferredTreeContentManager.java	8 May 2006 20:55:31 -0000	1.51
>+++ Eclipse UI/org/eclipse/ui/progress/DeferredTreeContentManager.java	7 Sep 2006 18:54:00 -0000
>@@ -11,7 +11,6 @@
> package org.eclipse.ui.progress;
> 
> import org.eclipse.core.runtime.Assert;
>-import org.eclipse.core.runtime.IAdaptable;
> import org.eclipse.core.runtime.IProgressMonitor;
> import org.eclipse.core.runtime.IStatus;
> import org.eclipse.core.runtime.Platform;
>@@ -26,6 +25,7 @@
> import org.eclipse.ui.IWorkbenchPartSite;
> import org.eclipse.ui.PlatformUI;
> import org.eclipse.ui.internal.progress.ProgressMessages;
>+import org.eclipse.ui.internal.util.Util;
> import org.eclipse.ui.model.IWorkbenchAdapter;
> 
> /**
>@@ -86,8 +86,8 @@
>     public DeferredTreeContentManager(ITreeContentProvider provider,
>             AbstractTreeViewer viewer, IWorkbenchPartSite site) {
>         this(provider, viewer);
>-        Object siteService = site
>-                .getAdapter(IWorkbenchSiteProgressService.class);
>+        Object siteService = Util.getAdapter(site, 
>+                IWorkbenchSiteProgressService.class);
>         if (siteService != null) {
> 			progressService = (IWorkbenchSiteProgressService) siteService;
> 		}
>@@ -163,18 +163,7 @@
>      * @return IDeferredWorkbenchAdapter or <code>null</code>
>      */
>     protected IDeferredWorkbenchAdapter getAdapter(Object element) {
>-        if (element instanceof IDeferredWorkbenchAdapter) {
>-			return (IDeferredWorkbenchAdapter) element;
>-		}
>-        if (!(element instanceof IAdaptable)) {
>-			return null;
>-		}
>-        Object adapter = ((IAdaptable) element)
>-                .getAdapter(IDeferredWorkbenchAdapter.class);
>-        if (adapter == null) {
>-			return null;
>-		}
>-        return (IDeferredWorkbenchAdapter) adapter;
>+        return (IDeferredWorkbenchAdapter)Util.getAdapter(element, IDeferredWorkbenchAdapter.class);
>     }
> 
>     /**
>@@ -260,18 +249,7 @@
>              *            The object we are adapting to.
>              */
>             private IWorkbenchAdapter getWorkbenchAdapter(Object element) {
>-                if (element instanceof IWorkbenchAdapter) {
>-					return (IWorkbenchAdapter) element;
>-				}
>-                if (!(element instanceof IAdaptable)) {
>-					return null;
>-				}
>-                Object workbenchAdapter = ((IAdaptable) element)
>-                        .getAdapter(IWorkbenchAdapter.class);
>-                if (workbenchAdapter == null) {
>-					return null;
>-				}
>-                return (IWorkbenchAdapter) workbenchAdapter;
>+                return (IWorkbenchAdapter) Util.getAdapter(element, IWorkbenchAdapter.class);
>             }
>         };
>         job.addJobChangeListener(new JobChangeAdapter() {

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Attachments on bug 156581: 49647 | 49674 | 49675 | 49961 | 49970 | 49972