X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Finspector%2Fjava%2Fstructure%2FFieldDescriptor.java;h=11959da6b6e0e25d3c5d0e2f83bba1396ee8f8af;hb=4aabbddd2f592ec80977a20cf2ad58cc3ede802b;hp=59f93fced7cc2ab864183832d7f406bf1a1e4ea9;hpb=c680c10ad9057106e23b149246abdd84b41775ee;p=javainspect.git

diff --git a/src/main/java/eu/svjatoslav/inspector/java/structure/FieldDescriptor.java b/src/main/java/eu/svjatoslav/inspector/java/structure/FieldDescriptor.java
index 59f93fc..11959da 100755
--- a/src/main/java/eu/svjatoslav/inspector/java/structure/FieldDescriptor.java
+++ b/src/main/java/eu/svjatoslav/inspector/java/structure/FieldDescriptor.java
@@ -1,6 +1,6 @@
 /*
  * JavaInspect - Utility to visualize java software
- * Copyright (C) 2013-2015, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * Copyright (C) 2013-2017, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of version 3 of the GNU Lesser General Public License
@@ -21,35 +21,35 @@ import java.util.List;
 
 public class FieldDescriptor implements GraphElement {
 
-    private final ClassDescriptor parentClass;
+    private final ClassDescriptor parentClassDescriptor;
     private final List<ClassDescriptor> typeArguments = new ArrayList<ClassDescriptor>();
     private String name;
     private ClassDescriptor type;
     private boolean isInherited;
 
     public FieldDescriptor(final ClassDescriptor parent) {
-        parentClass = parent;
+        parentClassDescriptor = parent;
     }
 
     public void analyzeField(final Field field) {
 
         if (!field.getDeclaringClass().getName()
-                .equals(parentClass.getFullyQualifiedName()))
+                .equals(parentClassDescriptor.getFullyQualifiedName()))
             isInherited = true;
 
         name = field.getName();
-        type = parentClass.getClassGraph().getOrCreateClassDescriptor(
+        type = parentClassDescriptor.getClassGraph().getOrCreateClassDescriptor(
                 field.getType());
         type.registerReference();
 
-        final Type genericType = field.getGenericType();
-        if (genericType instanceof ParameterizedType) {
-            final ParameterizedType pt = (ParameterizedType) genericType;
-            for (final Type t : pt.getActualTypeArguments())
-                if (t instanceof Class) {
-                    final Class cl = (Class) t;
-                    final ClassDescriptor genericTypeDescriptor = parentClass
-                            .getClassGraph().getOrCreateClassDescriptor(cl);
+        final Type fieldGenericType = field.getGenericType();
+        if (fieldGenericType instanceof ParameterizedType) {
+            final ParameterizedType fieldParameterizedGenericType = (ParameterizedType) fieldGenericType;
+            for (final Type type : fieldParameterizedGenericType.getActualTypeArguments())
+                if (type instanceof Class) {
+                    final Class aClass = (Class) type;
+                    final ClassDescriptor genericTypeDescriptor = parentClassDescriptor
+                            .getClassGraph().getOrCreateClassDescriptor(aClass);
                     genericTypeDescriptor.registerReference();
                     typeArguments.add(genericTypeDescriptor);
                 }
@@ -74,16 +74,17 @@ public class FieldDescriptor implements GraphElement {
                             + "\", color=\"" + classDescriptor.getColor()
                             + "\", style=\"bold\"];\n");
 
+        if (type == null) return result.toString();
         if (!type.isVisible())
             return result.toString();
 
         // main type
         boolean showLink = type.areReferencesShown();
 
-        if (type == parentClass)
+        if (type == parentClassDescriptor)
             showLink = false;
 
-        if (parentClass.isEnum)
+        if (parentClassDescriptor.isEnum)
             showLink = false;
 
         if (showLink)
@@ -103,14 +104,14 @@ public class FieldDescriptor implements GraphElement {
         final StringBuffer result = new StringBuffer();
 
         result.append("        // " + name + "\n");
-        if (parentClass.isEnum && (type == parentClass)) {
+        if (parentClassDescriptor.isEnum && (type == parentClassDescriptor)) {
             result.append("        <TR><TD colspan=\"2\" PORT=\"" + name);
             result.append("\" ALIGN=\"left\"><FONT POINT-SIZE=\"11.0\">");
             result.append(name + "</FONT></TD></TR>\n");
         } else {
             result.append("        <TR><td ALIGN=\"right\">");
             result.append("<FONT POINT-SIZE=\"8.0\">");
-            result.append(type.getClassName(true) + "</FONT>");
+            result.append(describeType() + "</FONT>");
             result.append("</td><TD PORT=\"" + name);
             result.append("\" ALIGN=\"left\"><FONT POINT-SIZE=\"11.0\">");
             result.append(name + "</FONT></TD></TR>\n");
@@ -118,9 +119,14 @@ public class FieldDescriptor implements GraphElement {
         return result.toString();
     }
 
+    private String describeType() {
+        if (type == null) return "-null-";
+        return type.getClassName(true);
+    }
+
     @Override
     public String getGraphId() {
-        return parentClass.getGraphId() + ":" + name;
+        return parentClassDescriptor.getGraphId() + ":" + name;
     }
 
     protected int getOutsideVisibleReferencesCount() {