Block multiple download.

Normand Briere

2019-10-05 8768a855af9ccc482a9520ce708ef32e0e6e0e7d

 FileObject.java
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@@ -17,6 +17,41 @@
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             filecontent = null;
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     }
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+    boolean HasBigData()
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+    {
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+        return filecontent != null;
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+    }
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+    
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+    void ExtractBigData(java.util.Hashtable<java.util.UUID, Object3D> hashtable)
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+    {
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+        Object3D o;
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+        
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+        if (hashtable.containsKey(GetUUID()))
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+        {
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+            o = hashtable.get(GetUUID());
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+
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+            //Grafreed.Assert(this.filecontent == ((FileObject)o).filecontent);
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+        }
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+        else
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+        {
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+            o = new Object3D("copy of " + this.name);
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+
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+            hashtable.put(GetUUID(), o);
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+        }
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+
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+        ExtractBigData(o);
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+    }
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+    
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+    void RestoreBigData(java.util.Hashtable<java.util.UUID, Object3D> hashtable)
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+    {
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+        if (!hashtable.containsKey(GetUUID()))
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+            return;
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+
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+        Object3D o = hashtable.get(GetUUID());
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+
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+        RestoreBigData(o);
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+    }
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+    
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     boolean IsStatic()
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     {
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         return false; // ???? false;
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@@ -81,6 +116,23 @@
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         this.objfile = objfile;
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     }
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+    void ExtractBigData(Object3D o)
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+    {
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+        super.ExtractBigData(o);
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+        
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+        o.savefilecontent = this.filecontent;
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+        
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+        // filecontent is transient
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+        this.filecontent = null;
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+    }
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+
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+    void RestoreBigData(Object3D o)
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+    {
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+        super.RestoreBigData(o);
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+        
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+        this.filecontent = o.savefilecontent;
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+    }
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+    
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     Object3D deepCopy()
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     {
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         FileObject e = new FileObject(name, objfile);
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@@ -88,9 +140,9 @@
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         return e;
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     }
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-    protected void deepCopySelf(Object3D other)
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+    protected void deepCopyNode(Object3D other)
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     {
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-        super.deepCopySelf(other);
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+        super.deepCopyNode(other);
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     }
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 //    void Draw(CameraPane display, Object3D /*Composite*/ root, boolean selected)