Bug 77598 [nls tooling] NLS hovers / Ctrl+Click not consistent for duplicate keys
20041103 With the following files, the key A.0 is duplicate. - Ctrl + Click: Junps to 'hello' - Hover over "A.0" in class A: shows 'world' public class A { String h= Messages.getString("A.0"); //$NON-NLS-1$ } messages.properties: A.0=hello A.0=world
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/javaeditor/JavaEditor.java
return fOutlinePage;
		}
		
		if (IEncodingSupport.class.equals(required))
			return fEncodingSupport;
		if (required == IShowInTargetList.class) {
			return new IShowInTargetList() {
				public String[] getShowInTargetIds() {
					return new String[] { JavaUI.ID_PACKAGES, IPageLayout.ID_OUTLINE, IPageLayout.ID_RES_NAV };
				}
			};
		}
		
		if (fProjectionSupport != null) {
			Object adapter= fProjectionSupport.getAdapter(getSourceViewer(), required);
			if (adapter != null)
				return adapter;
		}
			
		return super.getAdapter(required);
	}
	
	/**
	 * React to changed selection.
	 * 
	 * @since 3.0
	 */
	protected void selectionChanged() {
		if (getSelectionProvider() == null)
			return;