Bug 137879 Unable to specify resources in zip filesystem
How to repeat the problem: 1. Check out and compile the org.eclipse.ui.filesystem.examples plug-in. 2. Start runtime workspace. The following operations are in the runtime workspace. 3. Create a new project, e.g. TestZipFilesystem 4. Create a new file, in the wizard page, check "Link file to file system" and choose the file system as "Zip file". 5. Click on Browse... button and browse to a zip file in the local file system , choose OK. 6. Now, the file name field becomes "GettingStarted.zip", and the link to file system filed becomes "zip:/d:/Downloads/GettingStarted.zip". 7. On windows platform, an error message appeared ": is an invalid character in resource name zip:.". And the Finish button is grayed out. On linux platform, a warning message appear and say that the resource is not available in the workspace. The finish button works, though. =========== 8. In both cases, there is no way to choose a file in the zip as the linked resource. In other words, the UI does not treat the zip as a file system. The memory file system has similar problem, i.e. there is no real UI support for these file systems.
bundles/org.eclipse.ui.ide/extensions/org/eclipse/ui/dialogs/NewFolderDialog.java
IResource.ALLOW_MISSING_LOCAL, monitor);
					}
                    if (monitor.isCanceled()) {
						throw new OperationCanceledException();
					}
                } finally {
                    monitor.done();
                }
            }
        };
        try {
            new ProgressMonitorJobsDialog(getShell())
                    .run(true, true, operation);
        } catch (InterruptedException exception) {
            return null;
        } catch (InvocationTargetException exception) {
            if (exception.getTargetException() instanceof CoreException) {
                ErrorDialog.openError(getShell(), IDEWorkbenchMessages.NewFolderDialog_errorTitle,
                        null, 
                        ((CoreException) exception.getTargetException())
                                .getStatus());
            } else {
                
                IDEWorkbenchPlugin.log(getClass(),
                        "createNewFolder", exception.getTargetException()); 
                MessageDialog.openError(getShell(), IDEWorkbenchMessages.NewFolderDialog_errorTitle,
                        NLS.bind(IDEWorkbenchMessages.NewFolderDialog_internalError, exception.getTargetException().getMessage()));
            }
            return null;
        }