GH-57 Initial implementation of comparing heap dumps

Author: jisedlac

visualvm/heapviewer/nbproject/genfiles.properties

@@ -1,8 +1,8 @@
-build.xml.data.CRC32=226f27cb
+build.xml.data.CRC32=4d39fe49
 build.xml.script.CRC32=018997e7
 build.xml.stylesheet.CRC32=[email protected]
 # This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
 # Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
-nbproject/build-impl.xml.data.CRC32=226f27cb
+nbproject/build-impl.xml.data.CRC32=4d39fe49
 nbproject/build-impl.xml.script.CRC32=98bf6af8
 nbproject/build-impl.xml.stylesheet.CRC32=[email protected]

visualvm/heapviewer/nbproject/project.xml

@@ -102,6 +102,14 @@
                         <specification-version>7.43</specification-version>
                     </run-dependency>
                 </dependency>
+                <dependency>
+                    <code-name-base>org.openide.filesystems</code-name-base>
+                    <build-prerequisite/>
+                    <compile-dependency/>
+                    <run-dependency>
+                        <specification-version>9.11</specification-version>
+                    </run-dependency>
+                </dependency>
                 <dependency>
                     <code-name-base>org.openide.util</code-name-base>
                     <build-prerequisite/>

visualvm/heapviewer/src/com/sun/tools/visualvm/heapviewer/java/impl/ClassHierarchyPlugin.java

@@ -144,7 +144,7 @@ public boolean isLeaf() {
     public static class Provider extends HeapViewPlugin.Provider {
 
         public HeapViewPlugin createPlugin(HeapContext context, HeapViewerActions actions, String viewID) {
-            if (JavaHeapFragment.isJavaHeap(context)) return new ClassHierarchyPlugin(context, actions);
+            if (!viewID.startsWith("diff") && JavaHeapFragment.isJavaHeap(context)) return new ClassHierarchyPlugin(context, actions); // NOI18N
             return null;
         }
 

visualvm/heapviewer/src/com/sun/tools/visualvm/heapviewer/java/impl/JavaClassesProvider.java

@@ -66,20 +66,20 @@ public class JavaClassesProvider {
         "Classes_Messages_NoPackages=<no packages>",
         "Classes_Messages_NoPackagesFilter=<no packages matching the filter>"
     })
-    private static final class Classes_Messages {
-        private static String getMoreNodesString(String moreNodesCount)  {
+    static final class Classes_Messages {
+        static String getMoreNodesString(String moreNodesCount)  {
             return Bundle.Classes_Messages_MoreNodes(moreNodesCount);
         }
-        private static String getSamplesContainerString(String objectsCount)  {
+        static String getSamplesContainerString(String objectsCount)  {
             return Bundle.Classes_Messages_SamplesContainer(objectsCount);
         }
-        private static String getNodesContainerString(String firstNodeIdx, String lastNodeIdx)  {
+        static String getNodesContainerString(String firstNodeIdx, String lastNodeIdx)  {
             return Bundle.Classes_Messages_NodesContainer(firstNodeIdx, lastNodeIdx);
         }
-        private static String getNoClassesString(HeapViewerNodeFilter viewFilter) {
+        static String getNoClassesString(HeapViewerNodeFilter viewFilter) {
             return viewFilter == null ? Bundle.Classes_Messages_NoClasses() : Bundle.Classes_Messages_NoClassesFilter();
         }
-        private static String getNoPackagesString(HeapViewerNodeFilter viewFilter) {
+        static String getNoPackagesString(HeapViewerNodeFilter viewFilter) {
             return viewFilter == null ? Bundle.Classes_Messages_NoPackages() : Bundle.Classes_Messages_NoPackagesFilter();
         }
     }
@@ -111,7 +111,7 @@ protected String getNodesContainerString(String firstNodeIdx, String lastNodeIdx
         return nodes.length == 0 ? new HeapViewerNode[] { new TextNode(Classes_Messages.getNoClassesString(viewFilter)) } : nodes;
     }
 
-    
+
     public static HeapViewerNode[] getHeapPackages(HeapViewerNode parent, Heap heap, String viewID, HeapViewerNodeFilter viewFilter, List<DataType> dataTypes, List<SortOrder> sortOrders, Progress progress) {
         List<HeapViewerNode> nodes = new ArrayList();
         Map<String, ClassesContainer.Objects> packages = new HashMap();
@@ -141,7 +141,7 @@ public static HeapViewerNode[] getHeapPackages(HeapViewerNode parent, Heap heap,
                                  nodes.toArray(HeapViewerNode.NO_NODES);
     }
 
-    
+
     @NbBundle.Messages({
         "GCRoots_Messages_MoreNodes=<another {0} GC roots left>",
         "GCRoots_Messages_SamplesContainer=<sample {0} GC roots>",