org.eclipse.emf.ecp.ide.spi.util

Class ViewModelHelper

java.lang.Object

org.eclipse.emf.ecp.ide.spi.util.ViewModelHelper

public final class ViewModelHelper
extends Object

Helper class for view model objects.

Since:

1.13

Author:

Alexandra Buzila

Method Summary

Modifier and Type	Method and Description
static VView	createViewModel(org.eclipse.core.resources.IFile modelFile, org.eclipse.emf.ecore.EClass selectedEClass, org.eclipse.core.resources.IFile selectedEcore) Creates a new view model file.
static List<String>	getEcorePaths(org.eclipse.emf.ecore.resource.Resource resource) Extract the list of Ecore paths from a view model resource.
static VView	loadView(org.eclipse.core.resources.IFile file, Collection<String> registeredEcores) Tries to load a view from the given file.
static boolean	viewIsResolved(VView view) Check whether the given view has been resolved, i.e.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createViewModel

public static VView createViewModel(org.eclipse.core.resources.IFile modelFile,
                                    org.eclipse.emf.ecore.EClass selectedEClass,
                                    org.eclipse.core.resources.IFile selectedEcore)
                             throws IOException

Creates a new view model file.

Parameters:

modelFile - the file in which the view should be saved

selectedEClass - the Root EClass for the new VView

selectedEcore - the ecore containing the selectedEClass. If the selectedEcore is null, then the selectedEClass must come from an EPackage which is registered by default in the package registry.

Returns:

the newly created VView

Throws:

IOException - when something goes wrong while loading or saving the resource

loadView

public static VView loadView(org.eclipse.core.resources.IFile file,
                             Collection<String> registeredEcores)
                      throws IOException

Tries to load a view from the given file.

Parameters:

file - the IFile that contains the view model to be loaded

registeredEcores - a Collection that will contain the paths of all Ecores that are necessary to load the view. call

Returns:

the VView. Note that view resolution may fail, so callers should check whether the view has been resolved successfully

Throws:

IOException - in case an error occurs while loading the view

viewIsResolved

public static boolean viewIsResolved(VView view)

Check whether the given view has been resolved, i.e. whether it is a proxy or not

Parameters:

view - the VView to be checked

Returns:

true, if the view is not a proxy, false otherwise

getEcorePaths

public static List<String> getEcorePaths(org.eclipse.emf.ecore.resource.Resource resource)

Extract the list of Ecore paths from a view model resource.

Parameters:

resource - the resource to extract the paths from

Returns:

list of Ecore paths

Since:

1.17