[157551] [Editor] Edit Namespaces dialog does not create a relative location for a specified schema
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dialogs/EditNamespaceInfoDialog.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dialogs/EditNamespaceInfoDialog.java
index 6d2181f..8aabf5c 100644
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dialogs/EditNamespaceInfoDialog.java
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/dialogs/EditNamespaceInfoDialog.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2001, 2006 IBM Corporation and others.
+ * Copyright (c) 2001, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -15,6 +15,8 @@
 import java.util.List;
 
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
@@ -202,7 +204,13 @@
 			if (file != null) {
 				String uri = null;
 				if (resourceLocation != null) {
-					uri = URIHelper.getRelativeURI(file.getLocation(), resourceLocation);
+					IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(resourceLocation);
+					if (resource != null) {
+						IPath location = resource.getLocation();
+						if (location != null) {
+							uri = URIHelper.getRelativeURI(file.getLocation(), location);
+						}
+					}
 					grammarURI = file.getLocation().toOSString();
 				}
 				else {
diff --git a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/nsedit/CommonAddNamespacesControl.java b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/nsedit/CommonAddNamespacesControl.java
index b3b3a55..346225b 100644
--- a/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/nsedit/CommonAddNamespacesControl.java
+++ b/bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/nsedit/CommonAddNamespacesControl.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2001, 2006 IBM Corporation and others.
+ * Copyright (c) 2001, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -16,6 +16,8 @@
 import java.util.List;
 
 import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
@@ -130,7 +132,13 @@
 				if (file != null) {
 					String uri = null;
 					if (resourceLocation != null) {
-						uri = URIHelper.getRelativeURI(file.getLocation(), resourceLocation);
+						IResource resource = ResourcesPlugin.getWorkspace().getRoot().findMember(resourceLocation);
+						if (resource != null) {
+							IPath location = resource.getLocation();
+							if (location != null) {
+								uri = URIHelper.getRelativeURI(file.getLocation(), location);
+							}
+						}
 						// grammarURI = file.getLocation().toOSString();
 					}
 					else {