Attachment #49675 for bug #156581

Some Eclipse Foundation services are deprecated, or will be soon. Please ensure you've read this important communication.




 *******************************************************************************/
package org.eclipse.ui.internal.navigator;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.PlatformObject;

/**
 * Provides utilities for working with adaptable and non-adaptable objects.

	 * @return An adapter of the requested type or null
	 */
	public static Object getAdapter(Object anElement, Class anAdapterType) {
        if (anElement == null || anAdapterType == null) {
            return null;
        }
        if (anAdapterType.isInstance(anElement)) {
            return anElement;
        }

        if (anElement instanceof IAdaptable) {
            IAdaptable adaptable = (IAdaptable) anElement;

            Object result = adaptable.getAdapter(anAdapterType);
            if (result != null) {
                // Sanity-check
                Assert.isTrue(anAdapterType.isInstance(result));
                return result;
            }
        } 
        
        if (!(anElement instanceof PlatformObject)) {
            Object result = Platform.getAdapterManager().loadAdapter(anElement, anAdapterType.getName());
            if (result != null) {
                return result;
            }
        }

        return null;
	}

}




import java.util.Set;
import java.util.TreeMap;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITreeContentProvider;

				.getExtension(descriptor, true);
		ITreeContentProvider contentProvider = extension
				.getContentProvider();
        
        return (SaveablesProvider)AdaptabilityUtility.getAdapter(contentProvider, SaveablesProvider.class);
					.getAdapter(SaveablesProvider.class);
		}
		return null;
	}

	private Saveable[] getShownSaveables(Saveable[] saveables) {

Return to bug 156581

Lines 10-17 Link Here

(-)src/org/eclipse/ui/internal/navigator/AdaptabilityUtility.java (-8 / +28 lines)
10	*******************************************************************************/	10	*******************************************************************************/
11	package org.eclipse.ui.internal.navigator;	11	package org.eclipse.ui.internal.navigator;
12		12
		13	import org.eclipse.core.runtime.Assert;
13	import org.eclipse.core.runtime.IAdaptable;	14	import org.eclipse.core.runtime.IAdaptable;
14	import org.eclipse.core.runtime.Platform;	15	import org.eclipse.core.runtime.Platform;
		16	import org.eclipse.core.runtime.PlatformObject;
15		17
16	/**	18	/**
17	* Provides utilities for working with adaptable and non-adaptable objects.	19	* Provides utilities for working with adaptable and non-adaptable objects.
Lines 32-45 Link Here
32	* @return An adapter of the requested type or null	34	* @return An adapter of the requested type or null
33	*/	35	*/
34	public static Object getAdapter(Object anElement, Class anAdapterType) {	36	public static Object getAdapter(Object anElement, Class anAdapterType) {
35	if (anElement == null) {	37	if (anElement == null \|\| anAdapterType == null) {
36	return null;	38	return null;
37	} else if (anElement instanceof IAdaptable) {	39	}
38	return ((IAdaptable) anElement).getAdapter(anAdapterType);	40	if (anAdapterType.isInstance(anElement)) {
39	} else {	41	return anElement;
40	return Platform.getAdapterManager().getAdapter(anElement,	42	}
41	anAdapterType);	43
42	}	44	if (anElement instanceof IAdaptable) {
		45	IAdaptable adaptable = (IAdaptable) anElement;
		46
		47	Object result = adaptable.getAdapter(anAdapterType);
		48	if (result != null) {
		49	// Sanity-check
		50	Assert.isTrue(anAdapterType.isInstance(result));
		51	return result;
		52	}
		53	}
		54
		55	if (!(anElement instanceof PlatformObject)) {
		56	Object result = Platform.getAdapterManager().loadAdapter(anElement, anAdapterType.getName());
		57	if (result != null) {
		58	return result;
		59	}
		60	}
		61
		62	return null;
43	}	63	}
44		64
45	}	65	}

Lines 21-27 Link Here

(-)src/org/eclipse/ui/internal/navigator/NavigatorSaveablesService.java (-6 / +2 lines)
21	import java.util.Set;	21	import java.util.Set;
22	import java.util.TreeMap;	22	import java.util.TreeMap;
23		23
24	import org.eclipse.core.runtime.IAdaptable;
25	import org.eclipse.core.runtime.Platform;	24	import org.eclipse.core.runtime.Platform;
26	import org.eclipse.jface.viewers.IStructuredSelection;	25	import org.eclipse.jface.viewers.IStructuredSelection;
27	import org.eclipse.jface.viewers.ITreeContentProvider;	26	import org.eclipse.jface.viewers.ITreeContentProvider;
Lines 449-459 Link Here
449	.getExtension(descriptor, true);	448	.getExtension(descriptor, true);
450	ITreeContentProvider contentProvider = extension	449	ITreeContentProvider contentProvider = extension
451	.getContentProvider();	450	.getContentProvider();
452	if (contentProvider instanceof IAdaptable) {	451
453	return (SaveablesProvider) ((IAdaptable) contentProvider)	452	return (SaveablesProvider)AdaptabilityUtility.getAdapter(contentProvider, SaveablesProvider.class);
454	.getAdapter(SaveablesProvider.class);
455	}
456	return null;
457	}	453	}
458		454
459	private Saveable[] getShownSaveables(Saveable[] saveables) {	455	private Saveable[] getShownSaveables(Saveable[] saveables) {