PDFBOX-5660: refactor, avoid leaking this in constructor

git-svn-id: https://svn.apache.org/repos/asf/pdfbox/trunk@1934028 13f79535-47bb-0310-9956-ffa450edef68

Author: THausherr

debugger/src/main/java/org/apache/pdfbox/debugger/PDFDebugger.java

@@ -427,6 +427,7 @@ public void windowClosing(WindowEvent evt)
         getContentPane().add(jSplitPane, BorderLayout.CENTER);
 
         statusBar = new ReaderBottomPanel();
+        statusBar.init();
         getContentPane().add(statusBar, BorderLayout.SOUTH);
 
         // create menus

debugger/src/main/java/org/apache/pdfbox/debugger/ui/ReaderBottomPanel.java

@@ -43,6 +43,14 @@ public class ReaderBottomPanel extends JPanel
     private JLabel logLabel = null;
 
     public ReaderBottomPanel()
+    {
+        // call init() after construction
+    }
+
+    /**
+     * Initialization, to be called immediately after construction.
+     */
+    public void init()
     {
         BorderLayout layout = new BorderLayout();
         this.setLayout(layout);