# HG changeset patch
# User Svata Dedic <sdedic@netbeans.org>
# Date 1351612070 -3600
# Node ID f93ef9fcf584edd27aa53fa29d224f8cf505f61a
# Parent  763b154268173cbd1ef460413ffad9af8906b727
Bugfix #215583: avoiding NPE

diff -r 763b15426817 -r f93ef9fcf584 xml.schema.ui.basic/src/org/netbeans/modules/xml/schema/ui/nodes/categorized/customizer/ComplexTypeCustomizer.java
--- a/xml.schema.ui.basic/src/org/netbeans/modules/xml/schema/ui/nodes/categorized/customizer/ComplexTypeCustomizer.java	Fri Apr 22 14:52:57 2011 -0400
+++ b/xml.schema.ui.basic/src/org/netbeans/modules/xml/schema/ui/nodes/categorized/customizer/ComplexTypeCustomizer.java	Tue Oct 30 16:47:50 2012 +0100
@@ -67,6 +67,7 @@
 import org.netbeans.modules.xml.schema.model.ComplexExtensionDefinition;
 import org.netbeans.modules.xml.schema.model.ComplexType;
 import org.netbeans.modules.xml.schema.model.ComplexTypeDefinition;
+import org.netbeans.modules.xml.schema.model.Extension;
 import org.netbeans.modules.xml.schema.model.GlobalComplexType;
 import org.netbeans.modules.xml.schema.model.GlobalGroup;
 import org.netbeans.modules.xml.schema.model.GlobalSimpleType;
@@ -84,6 +85,7 @@
 import org.netbeans.modules.xml.schema.model.SimpleContentRestriction;
 import org.netbeans.modules.xml.schema.model.SimpleExtension;
 import org.netbeans.modules.xml.schema.ui.basic.editors.SchemaComponentSelectionPanel;
+import org.netbeans.modules.xml.xam.Reference;
 import org.netbeans.modules.xml.xam.ui.customizer.MessageDisplayer;
 import org.openide.util.HelpCtx;
 import org.openide.util.NbBundle;
@@ -110,6 +112,11 @@
         this(reference,null);
     }
     
+    static GlobalType getBase(Extension ext) {
+        Reference<GlobalType> ref = ext.getBase();
+        return ref == null ? null : ref.get();
+    }
+    
     /**
      * non UI component (model) initialization and access methods
      */
@@ -137,7 +144,7 @@
                 contentType = ContentType.Restriction;
                 ComplexContentRestriction ccr =
                         (ComplexContentRestriction)cc.getLocalDefinition();
-                gRef = ccr.getBase().get();
+                gRef = getBase(ccr);
                 ComplexTypeDefinition innerDefinition = ccr.getDefinition();
                 if(innerDefinition instanceof All) {
                     innerContentType = ContentType.All;
@@ -152,7 +159,7 @@
                 contentType = ContentType.Extension;
                 ComplexExtension ce =
                         (ComplexExtension)cc.getLocalDefinition();
-                gRef = ce.getBase().get();
+                gRef = getBase(ce);
                 ComplexExtensionDefinition innerDefinition = ce.getLocalDefinition();
                 if(innerDefinition instanceof All) {
                     innerContentType = ContentType.All;
@@ -172,11 +179,11 @@
                 contentType = ContentType.Restriction;
                 SimpleContentRestriction scr =
                         (SimpleContentRestriction)sc.getLocalDefinition();
-                if(scr.getBase()!=null)
-                    gRef = scr.getBase().get();
+                Reference<GlobalType> ref = scr.getBase();
+                gRef = ref == null ? null : ref.get();
             } else if(sc.getLocalDefinition() instanceof SimpleExtension) {
                 contentType = ContentType.Extension;
-                gRef = ((SimpleExtension)sc.getLocalDefinition()).getBase().get();
+                gRef = getBase(((SimpleExtension)sc.getLocalDefinition()));
             }
         }
     }