DebugPanel.java

Index Score
edu.rice.cs.drjava.ui
DrJava

View: Reasons, Metrics, Source Code

These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.

MetricDescription
JAVA0020JAVA0020 Field name does not have required form
EXEC_COMMENTSComments in executable code
FUNCTIONSNumber of function declarations
INTERFACE_COMPLEXITYInterface complexity
RETURNSNumber of return points from functions
LINE_COMMENTNumber of line comments
PARAMSNumber of formal parameter declarations
EXITSProcedure exits
DECL_COMMENTSComments in declarations
UNIQUE_OPERANDSNumber of unique operands
PROGRAM_VOCABHalstead program vocabulary
CYCLOMATICCyclomatic complexity
SIZESize of the file in bytes
LOGICAL_LINESNumber of statements
JAVA0018JAVA0018 Method name does not have required form
BLOCKSNumber of blocks
JAVA0034JAVA0034 Missing braces in if statement
OPERATORSNumber of operators
PROGRAM_LENGTHHalstead program length
OPERANDSNumber of operands
ELOCEffective lines of code
LOCLines of code
LINESNumber of lines in the source file
JAVA0128JAVA0128 Public constructor in non-public class
JAVA0177JAVA0177 Variable declaration missing initializer
JAVA0117JAVA0117 Missing javadoc: method 'method'
JAVA0032JAVA0032 Switch statement missing default
UNIQUE_OPERATORSNumber of unique operators
COMMENTSComment lines
PROGRAM_VOLUMEHalstead program volume
WHITESPACENumber of whitespace lines
JAVA0138JAVA0138 N parameters defined for method (maximum: M)
JAVA0126JAVA0126 Method declares unchecked exception in throws
JAVA0043JAVA0043 Inner class does not use outer class
JAVA0100JAVA0100 Class contains N non-final fields (maximum: M)
LOOPSNumber of loops
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0145JAVA0145 Tab character used in source file
/*BEGIN_COPYRIGHT_BLOCK * * Copyright (c) 2001-2008, JavaPLT group at Rice University (drjava@rice.edu) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the names of DrJava, the JavaPLT group, Rice University, nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * This software is Open Source Initiative approved Open Source Software. * Open Source Initative Approved is a trademark of the Open Source Initiative. * * This file is part of DrJava. Download the current version of this project * from http://www.drjava.org/ or http://sourceforge.net/projects/drjava/ * * END_COPYRIGHT_BLOCK*/ package edu.rice.cs.drjava.ui; import java.util.Vector; import java.util.ArrayList; import javax.swing.*; import javax.swing.tree.*; import javax.swing.table.*; import java.awt.event.*; import java.awt.*; import edu.rice.cs.drjava.model.SingleDisplayModel; import edu.rice.cs.drjava.model.debug.*; import edu.rice.cs.drjava.model.OpenDefinitionsDocument; import edu.rice.cs.drjava.config.*; import edu.rice.cs.util.swing.Utilities; import edu.rice.cs.util.swing.RightClickMouseAdapter; /** * Panel for displaying the debugger input and output in MainFrame. This * class is a swing view class and hence should only be accessed from the * event-handling thread. * @version $Id: DebugPanel.java 4625 2008-07-30 20:10:19Z rcartwright $ */ public class DebugPanel extends JPanel implements OptionConstants { private JSplitPane _tabsPane; private JTabbedPane _leftPane; private JTabbedPane _rightPane; private JPanel _tabsAndStatusPane; private JTable _watchTable; private JTable _stackTable; private JTable _threadTable; private long _currentThreadID; // private JPopupMenu _threadRunningPopupMenu; private JPopupMenu _threadSuspendedPopupMenu; private JPopupMenu _stackPopupMenu; private JPopupMenu _watchPopupMenu; private DebugThreadData _threadInPopup; private final SingleDisplayModel _model; private final MainFrame _frame; private final Debugger _debugger; private JPanel _buttonPanel; private JButton _closeButton; private JButton _resumeButton; private JButton _stepIntoButton; private JButton _stepOverButton; private JButton _stepOutButton; private JLabel _statusBar; private ArrayList<DebugWatchData> _watches; private ArrayList<DebugThreadData> _threads; private ArrayList<DebugStackData> _stackFrames; /* The following field is commented out because it was never written (and hence always null). */ // private DefaultTreeCellRenderer dtcr; /** Constructs a new panel to display debugging information when the Debugger is active. This is swing view class and hence should only * be accessed from the event-handling thread. */ public DebugPanel(MainFrame frame) { this.setLayout(new BorderLayout()); _frame = frame; _model = frame.getModel(); _debugger = _model.getDebugger(); _watches = new ArrayList<DebugWatchData>(); _threads = new ArrayList<DebugThreadData>(); _stackFrames = new ArrayList<DebugStackData>(); _leftPane = new JTabbedPane(); _rightPane = new JTabbedPane(); _setupTabPanes(); _tabsPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true, _leftPane, _rightPane); _tabsPane.setOneTouchExpandable(true); _tabsPane.setDividerLocation((int)(_frame.getWidth()/2.5)); _tabsAndStatusPane = new JPanel(new BorderLayout()); _tabsAndStatusPane.add(_tabsPane, BorderLayout.CENTER); _statusBar = new JLabel(""); _statusBar.setForeground(Color.blue.darker()); _tabsAndStatusPane.add(_statusBar, BorderLayout.SOUTH); this.add(_tabsAndStatusPane, BorderLayout.CENTER); _buttonPanel = new JPanel(new BorderLayout()); _setupButtonPanel(); this.add(_buttonPanel, BorderLayout.EAST); _debugger.addListener(new DebugPanelListener()); // Setup the color listeners. _setColors(_watchTable); _setColors(_stackTable); _setColors(_threadTable); } /** Quick helper for setting up color listeners. */ private static void _setColors(Component c) { new ForegroundColorListener(c); new BackgroundColorListener(c); } /** Causes all display tables to update their information from the debug manager. */ public void updateData() { assert EventQueue.isDispatchThread(); if (_debugger.isReady()) { try { _watches = _debugger.getWatches(); if (_debugger.isCurrentThreadSuspended()) _stackFrames = _debugger.getCurrentStackFrameData(); else _stackFrames = new ArrayList<DebugStackData>(); _threads = _debugger.getCurrentThreadData(); } catch (DebugException de) { // Thrown if _frame._showDebugError(de); } } else { // Clean up if debugger dies _watches = new ArrayList<DebugWatchData>(); _threads = new ArrayList<DebugThreadData>(); _stackFrames = new ArrayList<DebugStackData>(); } ((AbstractTableModel)_watchTable.getModel()).fireTableDataChanged(); ((AbstractTableModel)_stackTable.getModel()).fireTableDataChanged(); ((AbstractTableModel)_threadTable.getModel()).fireTableDataChanged(); } /** Creates the tabbed panes in the debug panel. */ private void _setupTabPanes() { // Watches table _initWatchTable(); // Stack table _stackTable = new JTable( new StackTableModel()); _stackTable.addMouseListener(new StackMouseAdapter()); _rightPane.addTab("Stack", new JScrollPane(_stackTable)); // Thread table _initThreadTable(); // Sets the method column to always be 7 times as wide as the line column TableColumn methodColumn; TableColumn lineColumn; methodColumn = _stackTable.getColumnModel().getColumn(0); lineColumn = _stackTable.getColumnModel().getColumn(1); methodColumn.setPreferredWidth(7*lineColumn.getPreferredWidth()); _initPopup(); } private void _initWatchTable() { _watchTable = new JTable( new WatchTableModel()); _watchTable.setDefaultEditor(_watchTable.getColumnClass(0), new WatchEditor()); _watchTable.setDefaultRenderer(_watchTable.getColumnClass(0), new WatchRenderer()); _leftPane.addTab("Watches", new JScrollPane(_watchTable)); } private void _initThreadTable() { _threadTable = new JTable(new ThreadTableModel()); _threadTable.addMouseListener(new ThreadMouseAdapter()); _rightPane.addTab("Threads", new JScrollPane(_threadTable)); // Sets the name column to always be 2 times as wide as the status column TableColumn nameColumn; TableColumn statusColumn; nameColumn = _threadTable.getColumnModel().getColumn(0); statusColumn = _threadTable.getColumnModel().getColumn(1); nameColumn.setPreferredWidth(2*statusColumn.getPreferredWidth()); // Adds a cell renderer to the threads table _currentThreadID = 0; TableCellRenderer threadTableRenderer = new DefaultTableCellRenderer() { public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { Component renderer = super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); _setThreadCellFont(row); return renderer; } /** * Sets the font for a cell in the thread table. * @param row the current row */ private void _setThreadCellFont(int row) { DebugThreadData currThread = _threads.get(row); if (currThread.getUniqueID() == _currentThreadID && currThread.isSuspended()) { setFont(getFont().deriveFont(Font.BOLD)); } } }; _threadTable.getColumnModel().getColumn(0).setCellRenderer(threadTableRenderer); _threadTable.getColumnModel().getColumn(1).setCellRenderer(threadTableRenderer); } /** Adds config color support to DefaultCellEditor. */ private static class WatchEditor extends DefaultCellEditor { WatchEditor() { super(new JTextField()); } /** * Overrides the default editor component to use proper coloring. */ public Component getTableCellEditorComponent (JTable table, Object value, boolean isSelected, int row, int column) { Component editor = super.getTableCellEditorComponent (table, value, isSelected, row, column); _setColors(editor); return editor; } } /** Adds config color support to DefaultTableCellRenderer. */ private class WatchRenderer extends DefaultTableCellRenderer { /** * Overrides the default rederer component to use proper coloring. */ public Component getTableCellRendererComponent (JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { Component renderer = super.getTableCellRendererComponent (table, value, isSelected, hasFocus, row, column); _setColors(renderer); _setWatchCellFont(row); return renderer; } /** * Sets the font for a cell in the watch table. * @param row the current row */ private void _setWatchCellFont(int row) { int numWatches = _watches.size(); if (row < numWatches) { DebugWatchData currWatch = _watches.get(row); if (currWatch.isChanged()) { setFont(getFont().deriveFont(Font.BOLD)); } } } } /** A table for displaying the watched variables and fields. Where is the synchronization for this class? */ public class WatchTableModel extends AbstractTableModel { private String[] _columnNames = {"Name", "Value", "Type"}; public String getColumnName(int col) { return _columnNames[col]; } public int getRowCount() { return _watches.size() + 1; } public int getColumnCount() { return _columnNames.length; } public Object getValueAt(int row, int col) { if (row < _watches.size()) { DebugWatchData watch = _watches.get(row); switch(col) { case 0: return watch.getName(); case 1: return watch.getValue(); case 2: return watch.getType(); } fireTableRowsUpdated(row, _watches.size()-1); return null; } else { fireTableRowsUpdated(row, _watches.size()-1); // Last row blank return ""; } } public boolean isCellEditable(int row, int col) { // First col for entering new values if (col == 0) return true; return false; } public void setValueAt(Object value, int row, int col) { try { if ((value == null) || (value.equals(""))) { // Remove value _debugger.removeWatch(row); } else { if (row < _watches.size()) _debugger.removeWatch(row); // Add value _debugger.addWatch(String.valueOf(value)); } //fireTableCellUpdated(row, col); fireTableRowsUpdated(row, _watches.size()-1); } catch (DebugException de) { _frame._showDebugError(de); } } } /** A table for displaying the current stack trace. */ public class StackTableModel extends AbstractTableModel { private String[] _columnNames = {"Method", "Line"}; // Do we need #? public String getColumnName(int col) { return _columnNames[col]; } public int getRowCount() { if (_stackFrames == null) return 0; return _stackFrames.size(); } public int getColumnCount() { return _columnNames.length; } public Object getValueAt(int row, int col) { DebugStackData frame = _stackFrames.get(row); switch(col) { case 0: return frame.getMethod(); case 1: return Integer.valueOf(frame.getLine()); } return null; } public boolean isCellEditable(int row, int col) { return false; } } /** A table for displaying all current threads. Where is the synchronization for this class? */ public class ThreadTableModel extends AbstractTableModel { private String[] _columnNames = {"Name", "Status"}; public String getColumnName(int col) { return _columnNames[col]; } public int getRowCount() { if (_threads == null) return 0; return _threads.size(); } public int getColumnCount() { return _columnNames.length; } public Object getValueAt(int row, int col) { DebugThreadData threadData = _threads.get(row); switch(col) { case 0: return threadData.getName(); case 1: return threadData.getStatus(); default: return null; } } public boolean isCellEditable(int row, int col) { return false; } } /** Creates the buttons for controlling the debugger. */ private void _setupButtonPanel() { JPanel mainButtons = new JPanel(); JPanel emptyPanel = new JPanel(); JPanel closeButtonPanel = new JPanel(new BorderLayout()); GridBagLayout gbLayout = new GridBagLayout(); GridBagConstraints c = new GridBagConstraints(); mainButtons.setLayout(gbLayout); Action resumeAction = new AbstractAction("Resume") { public void actionPerformed(ActionEvent ae) { try { _frame.debuggerResume(); } catch (DebugException de) { _frame._showDebugError(de); } } }; _resumeButton = new JButton(resumeAction); Action stepIntoAction = new AbstractAction("Step Into") { public void actionPerformed(ActionEvent ae) { _frame.debuggerStep(Debugger.StepType.STEP_INTO); } }; _stepIntoButton = new JButton(stepIntoAction); Action stepOverAction = new AbstractAction("Step Over") { public void actionPerformed(ActionEvent ae) { _frame.debuggerStep(Debugger.StepType.STEP_OVER); } }; _stepOverButton = new JButton(stepOverAction); Action stepOutAction = new AbstractAction( "Step Out" ) { public void actionPerformed(ActionEvent ae) { _frame.debuggerStep(Debugger.StepType.STEP_OUT); } }; _stepOutButton = new JButton(stepOutAction); ActionListener closeListener = new ActionListener() { public void actionPerformed(ActionEvent ae) { _frame.debuggerToggle(); } }; _closeButton = new CommonCloseButton(closeListener); closeButtonPanel.add(_closeButton, BorderLayout.NORTH); mainButtons.add(_resumeButton); mainButtons.add(_stepIntoButton); mainButtons.add(_stepOverButton); mainButtons.add(_stepOutButton); mainButtons.add(emptyPanel); c.fill = GridBagConstraints.HORIZONTAL; c.anchor = GridBagConstraints.NORTH; c.gridwidth = GridBagConstraints.REMAINDER; c.weightx = 1.0; gbLayout.setConstraints(_resumeButton, c); gbLayout.setConstraints(_stepIntoButton, c); gbLayout.setConstraints(_stepOverButton, c); gbLayout.setConstraints(_stepOutButton, c); c.fill = GridBagConstraints.BOTH; c.anchor = GridBagConstraints.SOUTH; c.gridheight = GridBagConstraints.REMAINDER; c.weighty = 1.0; gbLayout.setConstraints(emptyPanel, c); disableButtons(); _buttonPanel.add(mainButtons, BorderLayout.CENTER); _buttonPanel.add(closeButtonPanel, BorderLayout.EAST); } /** Initializes the pop-up menu that is revealed when the user * right-clicks on a row in the thread table or stack table. */ private void _initPopup() { // this is commented out because we do not currently support manual // suspension of a running thread. // _threadRunningPopupMenu = new JPopupMenu("Thread Selection"); // JMenuItem threadRunningSuspend = new JMenuItem(); // Action suspendAction = new AbstractAction("Suspend Thread") { // public void actionPerformed(ActionEvent e) { // try{ // _debugger.suspend(getSelectedThread()); // } // catch(DebugException exception) { // JOptionPane.showMessageDialog(_frame, "Cannot suspend the thread.", "Debugger Error", JOptionPane.ERROR_MESSAGE); // } // } // }; // threadRunningSuspend.setAction(suspendAction); // _threadRunningPopupMenu.add(threadRunningSuspend); // threadRunningSuspend.setText("Suspend and Select Thread"); Action selectAction = new AbstractAction("Select Thread") { public void actionPerformed(ActionEvent e) { _selectCurrentThread(); } }; _threadSuspendedPopupMenu = new JPopupMenu("Thread Selection"); _threadSuspendedPopupMenu.add(selectAction); _threadSuspendedPopupMenu.add(new AbstractAction("Resume Thread") { public void actionPerformed(ActionEvent e) { try { if (_threadInPopup.isSuspended()) _debugger.resume(_threadInPopup); } catch (DebugException dbe) { _frame._showDebugError(dbe); } } }); _stackPopupMenu = new JPopupMenu("Stack Selection"); _stackPopupMenu.add(new AbstractAction("Scroll to Source") { public void actionPerformed(ActionEvent e) { try { _debugger.scrollToSource(getSelectedStackItem()); } catch (DebugException de) { _frame._showDebugError(de); } } }); _watchPopupMenu = new JPopupMenu("Watches"); _watchPopupMenu.add(new AbstractAction("Remove Watch") { public void actionPerformed(ActionEvent e) { try { _debugger.removeWatch(_watchTable.getSelectedRow()); _watchTable.revalidate(); _watchTable.repaint(); } catch (DebugException de) { _frame._showDebugError(de); } } }); _watchTable.addMouseListener(new DebugTableMouseAdapter(_watchTable) { protected void _showPopup(MouseEvent e) { if (_watchTable.getSelectedRow() < _watchTable.getRowCount() - 1) { _watchPopupMenu.show(e.getComponent(), e.getX(), e.getY()); } } protected void _action() { } }); } /** */ private void _selectCurrentThread() { if (_threadInPopup.isSuspended()) { try { _debugger.setCurrentThread(_threadInPopup); } catch(DebugException de) { _frame._showDebugError(de); } } } /** gets the thread that is currently selected in the thread table * @return the highlighted thread */ public DebugThreadData getSelectedThread() { int row = _threadTable.getSelectedRow(); if (row == -1) { row = 0; // if there is no selected index, just return the first element } return _threads.get(row); } /** Gets the DebugStackData that is currently selected in the stack table * @return the highlighted stack element */ public DebugStackData getSelectedStackItem() { return _stackFrames.get(_stackTable.getSelectedRow()); } /** @return the selected watch */ public DebugWatchData getSelectedWatch() { return _watches.get(_watchTable.getSelectedRow()); } /** Listens to events from the debug manager to keep the panel updated. */ class DebugPanelListener implements DebugListener { /** Called when the current thread is suspended. */ public void currThreadSuspended() { // Only change GUI from event-dispatching thread Utilities.invokeLater(new Runnable() { public void run() { updateData(); } }); } /** Called when the current thread is resumed */ public void currThreadResumed() { // Only change GUI from event-dispatching thread Utilities.invokeLater(new Runnable() { public void run() { updateData(); } }); } /** Called when a thread starts. Only runs in event thread. */ public void threadStarted() { updateData(); } /** Called when the current thread dies. Only runs in event thread. */ public void currThreadDied() { updateData(); } /** Called when any thread other than the current thread dies. Only runs in event thread. */ public void nonCurrThreadDied() { updateData(); } /** Called when the current (selected) thread is set in the debugger. * @param thread the thread that was set as current */ public void currThreadSet(DebugThreadData thread) { _currentThreadID = thread.getUniqueID(); // Only change GUI from event-dispatching thread Utilities.invokeLater(new Runnable() { public void run() { updateData(); } }); } public void threadLocationUpdated(OpenDefinitionsDocument doc, int lineNumber, boolean shouldHighlight) { } public void debuggerStarted() { } public void debuggerShutdown() { } public void breakpointReached(final Breakpoint bp) { } public void watchSet(final DebugWatchData w) { } public void watchRemoved(final DebugWatchData w) { } public void stepRequested() { } public void regionAdded(Breakpoint r) { } public void regionChanged(Breakpoint r) { } public void regionRemoved(Breakpoint r) { } } /** Enables and disables the appropriate buttons depending on if the current * thread has been suspended or resumed * @param isSuspended indicates if the current thread has been suspended */ public void setThreadDependentButtons(boolean isSuspended) { _resumeButton.setEnabled(isSuspended); _stepIntoButton.setEnabled(isSuspended); _stepOverButton.setEnabled(isSuspended); _stepOutButton.setEnabled(isSuspended); } public void disableButtons() { setThreadDependentButtons(false); } public void setStatusText(String text) { _statusBar.setText(text); } public String getStatusText() { return _statusBar.getText(); } /** Updates the UI to a new look and feel. * Need to update the contained popup menus as well. * * Currently, we don't support changing the look and feel * on the fly, so this is disabled. * public void updateUI() { super.updateUI(); if (_threadSuspendedPopupMenu != null) { SwingUtilities.updateComponentTreeUI(_threadSuspendedPopupMenu); } if (_stackPopupMenu != null) { SwingUtilities.updateComponentTreeUI(_stackPopupMenu); } if (_watchPopupMenu != null) { SwingUtilities.updateComponentTreeUI(_watchPopupMenu); } }*/ /** Concrete DebugTableMouseAdapter for the thread table. */ private class ThreadMouseAdapter extends DebugTableMouseAdapter { public ThreadMouseAdapter() { super(_threadTable); } protected void _showPopup(MouseEvent e) { _threadInPopup = _threads.get(_lastRow); if (_threadInPopup.isSuspended()) { _threadSuspendedPopupMenu.show(e.getComponent(), e.getX(), e.getY()); } // else { // _threadRunningPopupMenu.show(e.getComponent(), e.getX(), e.getY()); // } } protected void _action() { _threadInPopup = _threads.get(_lastRow); _selectCurrentThread(); } } /** Concrete DebugTableMouseAdapter for the stack table. */ private class StackMouseAdapter extends DebugTableMouseAdapter { public StackMouseAdapter() { super(_stackTable); } protected void _showPopup(MouseEvent e) { _stackPopupMenu.show(e.getComponent(), e.getX(), e.getY()); } protected void _action() { try { _debugger.scrollToSource(_stackFrames.get(_lastRow)); } catch (DebugException de) { _frame._showDebugError(de); } } } /** A mouse adapter that allows for double-clicking and * bringing up a right-click menu. */ private abstract class DebugTableMouseAdapter extends RightClickMouseAdapter { protected JTable _table; protected int _lastRow; public DebugTableMouseAdapter(JTable table) { _table = table; _lastRow = -1; } protected abstract void _showPopup(MouseEvent e); protected abstract void _action(); protected void _popupAction(MouseEvent e) { _lastRow = _table.rowAtPoint(e.getPoint()); _table.setRowSelectionInterval(_lastRow, _lastRow); _showPopup(e); } public void mousePressed(MouseEvent e) { super.mousePressed(e); if (SwingUtilities.isLeftMouseButton(e) && e.getClickCount() == 2) { _lastRow = _table.rowAtPoint(e.getPoint()); _action(); } } } }

The table below shows all metrics for DebugPanel.java.

MetricValueDescription
BLOCKS107.00Number of blocks
BLOCK_COMMENT36.00Number of block comment lines
COMMENTS157.00Comment lines
COMMENT_DENSITY 0.41Comment density
COMPARISONS28.00Number of comparison operators
CYCLOMATIC113.00Cyclomatic complexity
DECL_COMMENTS36.00Comments in declarations
DOC_COMMENT82.00Number of javadoc comment lines
ELOC382.00Effective lines of code
EXEC_COMMENTS36.00Comments in executable code
EXITS95.00Procedure exits
FUNCTIONS79.00Number of function declarations
HALSTEAD_DIFFICULTY65.94Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY155.00Interface complexity
JAVA0001 0.00JAVA0001 Package name does not contain only lower case letters
JAVA0002 0.00JAVA0002 Package name does not begin with a top level domain name or country code
JAVA0003 0.00JAVA0003 Minimize use of on-demand (.*) imports
JAVA0004 0.00JAVA0004 Unnecessary import from java.lang
JAVA0005 1.00JAVA0005 Imports not in specified order
JAVA0006 0.00JAVA0006 Empty finally block
JAVA0007 0.00JAVA0007 Should not declare public field
JAVA0008 0.00JAVA0008 Empty catch block
JAVA0009 0.00JAVA0009 Protected member in final class
JAVA0010 0.00JAVA0010 Non-instantiable class does not contain a non-private static member
JAVA0011 0.00JAVA0011 Abstract class does not contain an abstract method
JAVA0012 0.00JAVA0012 Non-constructor method with same name as declaring class
JAVA0013 0.00JAVA0013 Non-blank final field is not static
JAVA0014 0.00JAVA0014 Class with only static members has non-private constructor
JAVA0015 0.00JAVA0015 Package class contains public nested type
JAVA0016 1.00JAVA0016 Abstract class contains public constructor
JAVA0017 0.00JAVA0017 Class name does not have required form
JAVA001818.00JAVA0018 Method name does not have required form
JAVA0019 0.00JAVA0019 Interface name does not have required form
JAVA002027.00JAVA0020 Field name does not have required form
JAVA0021 0.00JAVA0021 Interface method name does not have required form
JAVA0022 0.00JAVA0022 Static final field name does not have required form
JAVA0023 0.00JAVA0023 Empty finalize method
JAVA0024 0.00JAVA0024 Empty class
JAVA0025 0.00JAVA0025 Method override is empty
JAVA0026 0.00JAVA0026 Finalize method with parameters
JAVA0029 0.00JAVA0029 Private method not used
JAVA0030 0.00JAVA0030 Private field not used
JAVA0031 0.00JAVA0031 Case statement not properly closed
JAVA0032 2.00JAVA0032 Switch statement missing default
JAVA0033 0.00JAVA0033 default: not last case in switch statement
JAVA0034 7.00JAVA0034 Missing braces in if statement
JAVA0035 0.00JAVA0035 Missing braces in for statement
JAVA0036 0.00JAVA0036 Missing braces in while statement
JAVA0038 0.00JAVA0038 Non-case label in switch statement
JAVA0039 0.00JAVA0039 Break statement with label
JAVA0040 0.00JAVA0040 Switch statement contains N cases (maximum: M)
JAVA0041 0.00JAVA0041 Nested synchronized block
JAVA0042 0.00JAVA0042 Empty synchronized statement
JAVA0043 1.00JAVA0043 Inner class does not use outer class
JAVA0044 0.00JAVA0044 Serializable class with no instance variables
JAVA0045 0.00JAVA0045 Serializable class with only transient fields
JAVA0046 0.00JAVA0046 Name of class not derived from Exception ends with 'Exception'
JAVA0047 0.00JAVA0047 Serializable class derives from invalid base class
JAVA0048 0.00JAVA0048 Name of class derived from Exception does not end with 'Exception'
JAVA0049 0.00JAVA0049 Nested block at depth N (maximum: M)
JAVA0050 0.00JAVA0050 Class derives from java.lang.Error
JAVA0051 0.00JAVA0051 Class derives from java.lang.RuntimeException
JAVA0052 0.00JAVA0052 Class derives from java.lang.Throwable
JAVA0053 0.00JAVA0053 Unused label
JAVA0054 0.00JAVA0054 Inheritance depth N exceeds maximum M
JAVA0055 0.00JAVA0055 Class should be interface
JAVA0056 0.00JAVA0056 Unnecessary abstract modifier for interface or annotation
JAVA0057 0.00JAVA0057 Unnecessary default constructor
JAVA0058 0.00JAVA0058 Constructor calls super()
JAVA0059 0.00JAVA0059 Method override only calls super()
JAVA0061 0.00JAVA0061 Inaccessible member in anonymous class
JAVA0062 0.00JAVA0062 Public class missing public member or protected constructor
JAVA0063 0.00JAVA0063 Identifier name should not contain '$'
JAVA0064 0.00JAVA0064 N variations of identifier name (maximum: M)
JAVA0065 0.00JAVA0065 Unnecessary final modifier for method in final class
JAVA0066 0.00JAVA0066 Unnecessary modifier for interface nested type
JAVA0067 0.00JAVA0067 Array descriptor on identifier name
JAVA0068 0.00JAVA0068 Modifiers not declared in recommended order
JAVA0071 0.00JAVA0071 Strings compared with ==
JAVA0073 0.00JAVA0073 Integer division in floating-point context
JAVA0074 0.00JAVA0074 Use of Object.notify()
JAVA0075 0.00JAVA0075 Method parameter hides field
JAVA0076 0.00JAVA0076 Use of magic number
JAVA0077 0.00JAVA0077 Private field not used in declaring class
JAVA0078 0.00JAVA0078 Floating point values compared with ==
JAVA0079 0.00JAVA0079 Use of instance to reference static member
JAVA0080 2.00JAVA0080 Import declaration not used
JAVA0081 0.00JAVA0081 Boolean literal in comparison
JAVA0082 0.00JAVA0082 Unnecessary widening cast
JAVA0083 0.00JAVA0083 Unnecessary instanceof test
JAVA0084 0.00JAVA0084 Should use compound assignment operator
JAVA0085 0.00JAVA0085 Use of sun.* class
JAVA0087 0.00JAVA0087 Use of Thread.sleep()
JAVA0089 0.00JAVA0089 Use of restricted package
JAVA0092 0.00JAVA0092 Use of restricted type
JAVA0093 0.00JAVA0093 Redundant assignment
JAVA0094 0.00JAVA0094 Field hides a superclass field
JAVA0095 0.00JAVA0095 Uninitialized private field
JAVA0096 0.00JAVA0096 Field in nested class hides outer field
JAVA0098 1.00JAVA0098 Minimize use of implicit field initializers
JAVA0100 1.00JAVA0100 Class contains N non-final fields (maximum: M)
JAVA0101 0.00JAVA0101 Unnecessary modifier for field in interface
JAVA0102 0.00JAVA0102 Last statement in finalize() not super.finalize()
JAVA0103 0.00JAVA0103 Explicit call to finalize()
JAVA0104 0.00JAVA0104 finalize() only calls super.finalize()
JAVA0105 0.00JAVA0105 Duplicate import declaration
JAVA0106 0.00JAVA0106 Unnecessary import from current package
JAVA0108 2.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 0.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA0110 2.00JAVA0110 Incorrect javadoc: no @return tag
JAVA0111 0.00JAVA0111 Incorrect javadoc: @return tag for void method
JAVA0112 0.00JAVA0112 Incorrect javadoc: no exception 'exception' in throws
JAVA0113 1.00JAVA0113 Incorrect javadoc: no @author tag
JAVA0114 0.00JAVA0114 Incorrect javadoc: no @version tag
JAVA0115 0.00JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception'
JAVA0116 0.00JAVA0116 Missing javadoc: field 'field'
JAVA0117 8.00JAVA0117 Missing javadoc: method 'method'
JAVA0118 0.00JAVA0118 Missing javadoc: type 'type'
JAVA0119 0.00JAVA0119 Control variable changed within body of for loop
JAVA0123 0.00JAVA0123 Use all three components of for loop
JAVA0125 0.00JAVA0125 Continue statement with label
JAVA0126 0.00JAVA0126 Method declares unchecked exception in throws
JAVA0128 3.00JAVA0128 Public constructor in non-public class
JAVA0130 0.00JAVA0130 Non-static method does not use instance fields
JAVA0131 0.00JAVA0131 Compatible method does not override base
JAVA0132 0.00JAVA0132 Method overload with compatible signature
JAVA0133 0.00JAVA0133 Non-synchronized method overrides synchronized method
JAVA0135 0.00JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method'
JAVA0136 0.00JAVA0136 N methods defined in class (maximum: M)
JAVA0137 0.00JAVA0137 Non-abstract class missing constructor
JAVA0138 2.00JAVA0138 N parameters defined for method (maximum: M)
JAVA0139 0.00JAVA0139 Definition of main other than public static void main(java.lang.String[])
JAVA0141 0.00JAVA0141 Unnecessary modifier for method in interface
JAVA0143 0.00JAVA0143 Synchronized method
JAVA0144 1.00JAVA0144 Line exceeds maximum M characters
JAVA0145 0.00JAVA0145 Tab character used in source file
JAVA0150 0.00JAVA0150 java.lang.Error (or subclass) thrown
JAVA0153 0.00JAVA0153 Inefficient conversion of integer to string
JAVA0159 0.00JAVA0159 Inefficient conversion of string to integer
JAVA0160 0.00JAVA0160 Method does not throw specified exception
JAVA0161 0.00JAVA0161 Conditional wait() not in loop
JAVA0163 0.00JAVA0163 Empty statement
JAVA0165 0.00JAVA0165 Conflicting return statement in finally block
JAVA0166 0.00JAVA0166 Generic exception caught
JAVA0167 0.00JAVA0167 ThreadDeath not rethrown
JAVA0169 0.00JAVA0169 Unnecessary catch block: exception 'exception'
JAVA0170 0.00JAVA0170 Caught exception not derived from java.lang.Exception
JAVA0171 0.00JAVA0171 Unused local variable
JAVA0173 0.00JAVA0173 Unused method parameter
JAVA0174 0.00JAVA0174 Assigned local variable never used
JAVA0175 0.00JAVA0175 Successive assignment to variable
JAVA0176 0.00JAVA0176 Local variable name does not have required form
JAVA0177 4.00JAVA0177 Variable declaration missing initializer
JAVA0179 0.00JAVA0179 Local variable hides visible field
JAVA0233 0.00JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID'
JAVA0234 6.00JAVA0234 Class is Serializable but does not define serialVersionUID
JAVA0235 0.00JAVA0235 Class defines serialVersionUID but does not implement Serializable
JAVA0236 0.00JAVA0236 Attempt to clone an object which does not implement Cloneable
JAVA0237 0.00JAVA0237 Class implements Cloneable but does not have public clone method
JAVA0238 0.00JAVA0238 Clone method does not call super.clone()
JAVA0239 0.00JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable
JAVA0240 0.00JAVA0240 Serializable class which declares readObject or writeObject but not both
JAVA0241 0.00JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class
JAVA0242 0.00JAVA0242 Transient field in non-Serializable class
JAVA0243 0.00JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected
JAVA0244 0.00JAVA0244 Field or method name in subclass differs only by case from inherited field or method
JAVA0245 0.00JAVA0245 JUnit TestCase with non-trivial constructor
JAVA0246 0.00JAVA0246 JUnit assertXXX statement missing message parameter
JAVA0247 0.00JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method
JAVA0248 0.00JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature
JAVA0249 0.00JAVA0249 JUnit TestCase 'suite()' should be declared static
JAVA0250 0.00JAVA0250 JUnit TestCase declares testXXX method with incorrect signature
JAVA0251 0.00JAVA0251 Use '%n' for line breaks in printf/format for platform independence
JAVA0252 0.00JAVA0252 'enum' is a Java 1.5 reserved word
JAVA0253 0.00JAVA0253 Not all enum constants consumed in switch statement
JAVA0254 0.00JAVA0254 Use enhanced for loop construct instead of Iterator
JAVA0255 0.00JAVA0255 Result of method invocation not used
JAVA0256 0.00JAVA0256 Assignment of external collection/array to field
JAVA0257 0.00JAVA0257 Use of 'Constant Interface' anti-pattern
JAVA0258 0.00JAVA0258 Implement Iterable for foreach compatibility
JAVA0259 0.00JAVA0259 Return of collection/array field
JAVA0260 0.00JAVA0260 Use 'enum' instead of Enumerated Type pattern
JAVA0261 0.00JAVA0261 Use specialized Enum collection types
JAVA0262 0.00JAVA0262 Use of char in integer context
JAVA0263 0.00JAVA0263 Long literal ends with 'l' instead of 'L'
JAVA0264 0.00JAVA0264 Integer math in long context - check for overflow
JAVA0265 0.00JAVA0265 Use of Throwable.printStackTrace()
JAVA0266 0.00JAVA0266 Use of System.out
JAVA0267 0.00JAVA0267 Use of System.err
JAVA0269 0.00JAVA0269 Contents of StringBuffer never used
JAVA0270 0.00JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array
JAVA0271 0.00JAVA0271 Minimize use of on-demand (.*) static imports
JAVA0272 0.00JAVA0272 Thread.run() called
JAVA0273 0.00JAVA0273 Non-final derivative of Thread calls start() in constructor
JAVA0274 0.00JAVA0274 Serializable class has a synchronized readObject()
JAVA0275 0.00JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods
JAVA0276 0.00JAVA0276 Unnecessary use of String constructor
JAVA0277 0.00JAVA0277 Iterator.next() implementation does not throw NoSuchElementException
JAVA0278 0.00JAVA0278 Unnecessary use of Boolean constructor
JAVA0279 0.00JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method
JAVA0280 0.00JAVA0280 IllegalMonitorStateException caught
JAVA0281 0.00JAVA0281 Iterator.next() not called in loop
JAVA0282 0.00JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext()
JAVA0283 0.00JAVA0283 Control variable not updated in loop body
JAVA0284 0.00JAVA0284 Explicit garbage collection
JAVA0285 0.00JAVA0285 Dereference of potentially null variable
JAVA0286 0.00JAVA0286 Dereference of null variable
JAVA0287 0.00JAVA0287 Unnecessary null check
JAVA0288 0.00JAVA0288 Inconsistent null check
LINES741.00Number of lines in the source file
LINE_COMMENT39.00Number of line comments
LOC467.00Lines of code
LOGICAL_LINES269.00Number of statements
LOOPS 0.00Number of loops
NEST_DEPTH 3.00Maximum nesting depth
OPERANDS1113.00Number of operands
OPERATORS2215.00Number of operators
PARAMS67.00Number of formal parameter declarations
PROGRAM_LENGTH3328.00Halstead program length
PROGRAM_VOCAB472.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS88.00Number of return points from functions
SIZE25451.00Size of the file in bytes
UNIQUE_OPERANDS422.00Number of unique operands
UNIQUE_OPERATORS50.00Number of unique operators
WHITESPACE117.00Number of whitespace lines