Bug 131105 [EFS] CopyFilesAndFoldersOperation does not handle null locations
Stumbled on this problem when copying/moving resources between local and remote filesystems. Copying or moving a file from a project on a remote filesystem to a project on a local filesystem results in a source does not exist error; vice-versa produces a destination does not exist; nonlocal to nonlocal produces a destination does not exist. Partial stacktrace: MoveFilesAndFoldersOperation(CopyFilesAndFoldersOperation).validateDestinationLocation(IContainer) line: 1428 MoveFilesAndFoldersOperation(CopyFilesAndFoldersOperation).validateDestination(IContainer, IResource[]) line: 1357 MoveFilesAndFoldersOperation.validateDestination(IContainer, IResource[]) line: 217 ResourceNavigatorMoveAction(CopyResourceAction).isValid(Object) line: 166 ... Remark that all destination validation in these UI classes use IResource.getLocation() which is only usable for resources on the local filesystem. Because of this, it is impossible to seamlessly integrate local and nonlocal resources. I am using org.eclipse.ui.ide_3.2.0.I20060216-1200.jar but according to public CVS nothing has yet changed in the use of getLocation().
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/actions/CopyFilesAndFoldersOperation.java
* 
	 * @param destination
	 *            copy destination
	 * @param sourceResources
	 *            source resources
	 * @return <code>true</code> all files passed validation or there were no
	 *         files to validate. <code>false</code> one or more files did not
	 *         pass validation.
	 */
	private boolean validateEdit(IContainer destination,
			IResource[] sourceResources) {
		ArrayList copyFiles = new ArrayList();
		collectExistingReadonlyFiles(destination.getFullPath(),
				sourceResources, copyFiles);
		if (copyFiles.size() > 0) {
			IFile[] files = (IFile[]) copyFiles.toArray(new IFile[copyFiles
					.size()]);
			IWorkspace workspace = ResourcesPlugin.getWorkspace();
			IStatus status = workspace.validateEdit(files, messageShell);
			canceled = status.isOK() == false;
			return status.isOK();
		}
		return true;
	}
	/**
	 * Checks whether the destination is valid for copying the source files.
	 * <p>
	 * Note this method is for internal use only. It is not API.
	 * </p>
	 *