[471456] Add a try/catch in SessionEditorInput.getURI()

- To avoid exception for EMF implementations not supporting EMF proxy
add a try/catch as work-around.

Bug: 471456
Change-Id: Iaf6bed704e45346bb57a81fdc700c5008a071fb8
Signed-off-by: Esteban Dugueperoux <esteban.dugueperoux@obeo.fr>

1 files changed, 8 insertions, 2 deletions

diff --git a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/session/SessionEditorInput.java b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/session/SessionEditorInput.java
index 18bf8a4681..b0602df178 100644
--- a/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/session/SessionEditorInput.java
+++ b/plugins/org.eclipse.sirius.ui/src/org/eclipse/sirius/ui/business/api/session/SessionEditorInput.java
@@ -315,7 +315,13 @@ public class SessionEditorInput extends URIEditorInput {
     public URI getURI() {
         EObject input = inputRef != null ? inputRef.get() : null;
         if (input != null) {
-            return EcoreUtil.getURI(input);
+            try {
+                return EcoreUtil.getURI(input);
+                // TODO: remove this try/catch WORK-AROUND when 392720 will be
+                // fixed
+            } catch (IllegalStateException e) {
+
+            }
         }
         return super.getURI();
     }
@@ -330,7 +336,7 @@ public class SessionEditorInput extends URIEditorInput {
         boolean exists = super.exists();
         if (!exists) {
             EObject input = getInput(false);
-            if (input != null) {
+            if (input != null && !input.eIsProxy()) {
                 Resource resource = input.eResource();
                 if (resource != null && resource.getResourceSet() != null) {
                     exists = resource.getResourceSet().getURIConverter().exists(resource.getURI(), null);