CombinedDomainXYPlot.java

Index Score
org.jfree.chart.plot
JFreeChart

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
COMMENTSComment lines
JAVA0254JAVA0254 Use enhanced for loop construct instead of Iterator
LOOPSNumber of loops
SIZESize of the file in bytes
DECL_COMMENTSComments in declarations
DOC_COMMENTNumber of javadoc comment lines
EXITSProcedure exits
JAVA0034JAVA0034 Missing braces in if statement
LINESNumber of lines in the source file
EXEC_COMMENTSComments in executable code
BLOCK_COMMENTNumber of block comment lines
LINE_COMMENTNumber of line comments
BLOCKSNumber of blocks
PROGRAM_VOCABHalstead program vocabulary
UNIQUE_OPERANDSNumber of unique operands
COMPARISONSNumber of comparison operators
PARAMSNumber of formal parameter declarations
OPERATORSNumber of operators
PROGRAM_LENGTHHalstead program length
LOGICAL_LINESNumber of statements
CYCLOMATICCyclomatic complexity
OPERANDSNumber of operands
INTERFACE_COMPLEXITYInterface complexity
UNIQUE_OPERATORSNumber of unique operators
LOCLines of code
ELOCEffective lines of code
JAVA0117JAVA0117 Missing javadoc: method 'method'
JAVA0084JAVA0084 Should use compound assignment operator
PROGRAM_VOLUMEHalstead program volume
JAVA0136JAVA0136 N methods defined in class (maximum: M)
JAVA0126JAVA0126 Method declares unchecked exception in throws
JAVA0110JAVA0110 Incorrect javadoc: no @return tag
JAVA0108JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
RETURNSNumber of return points from functions
JAVA0145JAVA0145 Tab character used in source file
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2008, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ------------------------- * CombinedDomainXYPlot.java * ------------------------- * (C) Copyright 2001-2008, by Bill Kelemen and Contributors. * * Original Author: Bill Kelemen; * Contributor(s): David Gilbert (for Object Refinery Limited); * Anthony Boulestreau; * David Basten; * Kevin Frechette (for ISTI); * Nicolas Brodu; * Petr Kubanek (bug 1606205); * * Changes: * -------- * 06-Dec-2001 : Version 1 (BK); * 12-Dec-2001 : Removed unnecessary 'throws' clause from constructor (DG); * 18-Dec-2001 : Added plotArea attribute and get/set methods (BK); * 22-Dec-2001 : Fixed bug in chartChanged with multiple combinations of * CombinedPlots (BK); * 08-Jan-2002 : Moved to new package com.jrefinery.chart.combination (DG); * 25-Feb-2002 : Updated import statements (DG); * 28-Feb-2002 : Readded "this.plotArea = plotArea" that was deleted from * draw() method (BK); * 26-Mar-2002 : Added an empty zoom method (this method needs to be written so * that combined plots will support zooming (DG); * 29-Mar-2002 : Changed the method createCombinedAxis adding the creation of * OverlaidSymbolicAxis and CombinedSymbolicAxis(AB); * 23-Apr-2002 : Renamed CombinedPlot-->MultiXYPlot, and simplified the * structure (DG); * 23-May-2002 : Renamed (again) MultiXYPlot-->CombinedXYPlot (DG); * 19-Jun-2002 : Added get/setGap() methods suggested by David Basten (DG); * 25-Jun-2002 : Removed redundant imports (DG); * 16-Jul-2002 : Draws shared axis after subplots (to fix missing gridlines), * added overrides of 'setSeriesPaint()' and 'setXYItemRenderer()' * that pass changes down to subplots (KF); * 09-Oct-2002 : Added add(XYPlot) method (DG); * 26-Mar-2003 : Implemented Serializable (DG); * 16-May-2003 : Renamed CombinedXYPlot --> CombinedDomainXYPlot (DG); * 04-Aug-2003 : Removed leftover code that was causing domain axis drawing * problem (DG); * 08-Aug-2003 : Adjusted totalWeight in remove() method (DG); * 21-Aug-2003 : Implemented Cloneable (DG); * 11-Sep-2003 : Fix cloning support (subplots) (NB); * 15-Sep-2003 : Fixed error in cloning (DG); * 16-Sep-2003 : Changed ChartRenderingInfo --> PlotRenderingInfo (DG); * 17-Sep-2003 : Updated handling of 'clicks' (DG); * 12-Nov-2004 : Implemented the new Zoomable interface (DG); * 25-Nov-2004 : Small update to clone() implementation (DG); * 21-Feb-2005 : The getLegendItems() method now returns the fixed legend * items if set (DG); * 05-May-2005 : Removed unused draw() method (DG); * ------------- JFREECHART 1.0.x --------------------------------------------- * 23-Aug-2006 : Override setFixedRangeAxisSpace() to update subplots (DG); * 06-Feb-2007 : Fixed bug 1606205, draw shared axis after subplots (DG); * 23-Mar-2007 : Reverted previous patch (bug fix 1606205) (DG); * 17-Apr-2007 : Added null argument checks to findSubplot() (DG); * 20-Jun-2007 : Removed JCommon dependencies (DG); * 27-Nov-2007 : Modified setFixedRangeAxisSpaceForSubplots() so as not to * trigger change event in subplots (DG); * 28-Jan-2008 : Reset fixed range axis space in subplots for each call to * draw() (DG); * 27-Mar-2008 : Add documentation for getDataRange() method (DG); * 31-Mar-2008 : Updated getSubplots() to return EMPTY_LIST for null * subplots, as suggested by Richard West (DG); * 28-Apr-2008 : Fixed zooming problem (see bug 1950037) (DG); * 11-Aug-2008 : Don't store totalWeight of subplots, calculate it as * required (DG); * */ package org.jfree.chart.plot; import java.awt.Graphics2D; import java.awt.geom.Point2D; import java.awt.geom.Rectangle2D; import java.util.Collections; import java.util.Iterator; import java.util.List; import org.jfree.chart.LegendItemCollection; import org.jfree.chart.axis.AxisSpace; import org.jfree.chart.axis.AxisState; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.event.PlotChangeEvent; import org.jfree.chart.event.PlotChangeListener; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.chart.util.ObjectUtilities; import org.jfree.chart.util.RectangleEdge; import org.jfree.chart.util.RectangleInsets; import org.jfree.data.Range; /** * An extension of {@link XYPlot} that contains multiple subplots that share a * common domain axis. */ public class CombinedDomainXYPlot extends XYPlot implements PlotChangeListener { /** For serialization. */ private static final long serialVersionUID = -7765545541261907383L; /** Storage for the subplot references. */ private List subplots; /** The gap between subplots. */ private double gap = 5.0; /** Temporary storage for the subplot areas. */ private transient Rectangle2D[] subplotAreas; // TODO: the subplot areas needs to be moved out of the plot into the plot // state /** * Default constructor. */ public CombinedDomainXYPlot() { this(new NumberAxis()); } /** * Creates a new combined plot that shares a domain axis among multiple * subplots. * * @param domainAxis the shared axis. */ public CombinedDomainXYPlot(ValueAxis domainAxis) { super( null, // no data in the parent plot domainAxis, null, // no range axis null // no rendereer ); this.subplots = new java.util.ArrayList(); } /** * Returns a string describing the type of plot. * * @return The type of plot. */ public String getPlotType() { return "Combined_Domain_XYPlot"; } /** * Sets the orientation for the plot (also changes the orientation for all * the subplots to match). * * @param orientation the orientation (<code>null</code> not allowed). */ public void setOrientation(PlotOrientation orientation) { super.setOrientation(orientation); Iterator iterator = this.subplots.iterator(); while (iterator.hasNext()) { XYPlot plot = (XYPlot) iterator.next(); plot.setOrientation(orientation); } } /** * Returns a range representing the extent of the data values in this plot * (obtained from the subplots) that will be rendered against the specified * axis. NOTE: This method is intended for internal JFreeChart use, and * is public only so that code in the axis classes can call it. Since * only the domain axis is shared between subplots, the JFreeChart code * will only call this method for the domain values (although this is not * checked/enforced). * * @param axis the axis. * * @return The range (possibly <code>null</code>). */ public Range getDataRange(ValueAxis axis) { Range result = null; if (this.subplots != null) { Iterator iterator = this.subplots.iterator(); while (iterator.hasNext()) { XYPlot subplot = (XYPlot) iterator.next(); result = Range.combine(result, subplot.getDataRange(axis)); } } return result; } /** * Returns the gap between subplots, measured in Java2D units. * * @return The gap (in Java2D units). */ public double getGap() { return this.gap; } /** * Sets the amount of space between subplots and sends a * {@link PlotChangeEvent} to all registered listeners. * * @param gap the gap between subplots (in Java2D units). */ public void setGap(double gap) { this.gap = gap; fireChangeEvent(); } /** * Adds a subplot (with a default 'weight' of 1) and sends a * {@link PlotChangeEvent} to all registered listeners. * <P> * The domain axis for the subplot will be set to <code>null</code>. You * must ensure that the subplot has a non-null range axis. * * @param subplot the subplot (<code>null</code> not permitted). */ public void add(XYPlot subplot) { // defer argument checking add(subplot, 1); } /** * Adds a subplot with the specified weight and sends a * {@link PlotChangeEvent} to all registered listeners. The weight * determines how much space is allocated to the subplot relative to all * the other subplots. * <P> * The domain axis for the subplot will be set to <code>null</code>. You * must ensure that the subplot has a non-null range axis. * * @param subplot the subplot (<code>null</code> not permitted). * @param weight the weight (must be >= 1). */ public void add(XYPlot subplot, int weight) { if (subplot == null) { throw new IllegalArgumentException("Null 'subplot' argument."); } if (weight <= 0) { throw new IllegalArgumentException("Require weight >= 1."); } // store the plot and its weight subplot.setParent(this); subplot.setWeight(weight); subplot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0), false); subplot.setDomainAxis(null); subplot.addChangeListener(this); this.subplots.add(subplot); ValueAxis axis = getDomainAxis(); if (axis != null) { axis.configure(); } fireChangeEvent(); } /** * Removes a subplot from the combined chart and sends a * {@link PlotChangeEvent} to all registered listeners. * * @param subplot the subplot (<code>null</code> not permitted). */ public void remove(XYPlot subplot) { if (subplot == null) { throw new IllegalArgumentException(" Null 'subplot' argument."); } int position = -1; int size = this.subplots.size(); int i = 0; while (position == -1 && i < size) { if (this.subplots.get(i) == subplot) { position = i; } i++; } if (position != -1) { this.subplots.remove(position); subplot.setParent(null); subplot.removeChangeListener(this); ValueAxis domain = getDomainAxis(); if (domain != null) { domain.configure(); } fireChangeEvent(); } } /** * Returns the list of subplots. The returned list may be empty, but is * never <code>null</code>. * * @return An unmodifiable list of subplots. */ public List getSubplots() { if (this.subplots != null) { return Collections.unmodifiableList(this.subplots); } else { return Collections.EMPTY_LIST; } } /** * Calculates the axis space required. * * @param g2 the graphics device. * @param plotArea the plot area. * * @return The space. */ protected AxisSpace calculateAxisSpace(Graphics2D g2, Rectangle2D plotArea) { AxisSpace space = new AxisSpace(); PlotOrientation orientation = getOrientation(); // work out the space required by the domain axis... AxisSpace fixed = getFixedDomainAxisSpace(); if (fixed != null) { if (orientation == PlotOrientation.HORIZONTAL) { space.setLeft(fixed.getLeft()); space.setRight(fixed.getRight()); } else if (orientation == PlotOrientation.VERTICAL) { space.setTop(fixed.getTop()); space.setBottom(fixed.getBottom()); } } else { ValueAxis xAxis = getDomainAxis(); RectangleEdge xEdge = Plot.resolveDomainAxisLocation( getDomainAxisLocation(), orientation); if (xAxis != null) { space = xAxis.reserveSpace(g2, this, plotArea, xEdge, space); } } Rectangle2D adjustedPlotArea = space.shrink(plotArea, null); // work out the maximum height or width of the non-shared axes... int n = this.subplots.size(); int totalWeight = 0; for (int i = 0; i < n; i++) { XYPlot sub = (XYPlot) this.subplots.get(i); totalWeight += sub.getWeight(); } this.subplotAreas = new Rectangle2D[n]; double x = adjustedPlotArea.getX(); double y = adjustedPlotArea.getY(); double usableSize = 0.0; if (orientation == PlotOrientation.HORIZONTAL) { usableSize = adjustedPlotArea.getWidth() - this.gap * (n - 1); } else if (orientation == PlotOrientation.VERTICAL) { usableSize = adjustedPlotArea.getHeight() - this.gap * (n - 1); } for (int i = 0; i < n; i++) { XYPlot plot = (XYPlot) this.subplots.get(i); // calculate sub-plot area if (orientation == PlotOrientation.HORIZONTAL) { double w = usableSize * plot.getWeight() / totalWeight; this.subplotAreas[i] = new Rectangle2D.Double(x, y, w, adjustedPlotArea.getHeight()); x = x + w + this.gap; } else if (orientation == PlotOrientation.VERTICAL) { double h = usableSize * plot.getWeight() / totalWeight; this.subplotAreas[i] = new Rectangle2D.Double(x, y, adjustedPlotArea.getWidth(), h); y = y + h + this.gap; } AxisSpace subSpace = plot.calculateRangeAxisSpace(g2, this.subplotAreas[i], null); space.ensureAtLeast(subSpace); } return space; } /** * Draws the plot within the specified area on a graphics device. * * @param g2 the graphics device. * @param area the plot area (in Java2D space). * @param anchor an anchor point in Java2D space (<code>null</code> * permitted). * @param parentState the state from the parent plot, if there is one * (<code>null</code> permitted). * @param info collects chart drawing information (<code>null</code> * permitted). */ public void draw(Graphics2D g2, Rectangle2D area, Point2D anchor, PlotState parentState, PlotRenderingInfo info) { // set up info collection... if (info != null) { info.setPlotArea(area); } // adjust the drawing area for plot insets (if any)... RectangleInsets insets = getInsets(); insets.trim(area); setFixedRangeAxisSpaceForSubplots(null); AxisSpace space = calculateAxisSpace(g2, area); Rectangle2D dataArea = space.shrink(area, null); // set the width and height of non-shared axis of all sub-plots setFixedRangeAxisSpaceForSubplots(space); // draw the shared axis ValueAxis axis = getDomainAxis(); RectangleEdge edge = getDomainAxisEdge(); double cursor = RectangleEdge.coordinate(dataArea, edge); AxisState axisState = axis.draw(g2, cursor, area, dataArea, edge, info); if (parentState == null) { parentState = new PlotState(); } parentState.getSharedAxisStates().put(axis, axisState); // draw all the subplots for (int i = 0; i < this.subplots.size(); i++) { XYPlot plot = (XYPlot) this.subplots.get(i); PlotRenderingInfo subplotInfo = null; if (info != null) { subplotInfo = new PlotRenderingInfo(info.getOwner()); info.addSubplotInfo(subplotInfo); } plot.draw(g2, this.subplotAreas[i], anchor, parentState, subplotInfo); } if (info != null) { info.setDataArea(dataArea); } } /** * Returns a collection of legend items for the plot. * * @return The legend items. */ public LegendItemCollection getLegendItems() { LegendItemCollection result = getFixedLegendItems(); if (result == null) { result = new LegendItemCollection(); if (this.subplots != null) { Iterator iterator = this.subplots.iterator(); while (iterator.hasNext()) { XYPlot plot = (XYPlot) iterator.next(); LegendItemCollection more = plot.getLegendItems(); result.addAll(more); } } } return result; } /** * Multiplies the range on the range axis/axes by the specified factor. * * @param factor the zoom factor. * @param info the plot rendering info (<code>null</code> not permitted). * @param source the source point (<code>null</code> not permitted). */ public void zoomRangeAxes(double factor, PlotRenderingInfo info, Point2D source) { zoomRangeAxes(factor, info, source, false); } /** * Multiplies the range on the range axis/axes by the specified factor. * * @param factor the zoom factor. * @param state the plot state. * @param source the source point (in Java2D coordinates). * @param useAnchor use source point as zoom anchor? */ public void zoomRangeAxes(double factor, PlotRenderingInfo state, Point2D source, boolean useAnchor) { // delegate 'state' and 'source' argument checks... XYPlot subplot = findSubplot(state, source); if (subplot != null) { subplot.zoomRangeAxes(factor, state, source, useAnchor); } else { // if the source point doesn't fall within a subplot, we do the // zoom on all subplots... Iterator iterator = getSubplots().iterator(); while (iterator.hasNext()) { subplot = (XYPlot) iterator.next(); subplot.zoomRangeAxes(factor, state, source, useAnchor); } } } /** * Zooms in on the range axes. * * @param lowerPercent the lower bound. * @param upperPercent the upper bound. * @param info the plot rendering info (<code>null</code> not permitted). * @param source the source point (<code>null</code> not permitted). */ public void zoomRangeAxes(double lowerPercent, double upperPercent, PlotRenderingInfo info, Point2D source) { // delegate 'info' and 'source' argument checks... XYPlot subplot = findSubplot(info, source); if (subplot != null) { subplot.zoomRangeAxes(lowerPercent, upperPercent, info, source); } else { // if the source point doesn't fall within a subplot, we do the // zoom on all subplots... Iterator iterator = getSubplots().iterator(); while (iterator.hasNext()) { subplot = (XYPlot) iterator.next(); subplot.zoomRangeAxes(lowerPercent, upperPercent, info, source); } } } /** * Returns the subplot (if any) that contains the (x, y) point (specified * in Java2D space). * * @param info the chart rendering info (<code>null</code> not permitted). * @param source the source point (<code>null</code> not permitted). * * @return A subplot (possibly <code>null</code>). */ public XYPlot findSubplot(PlotRenderingInfo info, Point2D source) { if (info == null) { throw new IllegalArgumentException("Null 'info' argument."); } if (source == null) { throw new IllegalArgumentException("Null 'source' argument."); } XYPlot result = null; int subplotIndex = info.getSubplotIndex(source); if (subplotIndex >= 0) { result = (XYPlot) this.subplots.get(subplotIndex); } return result; } /** * Sets the item renderer FOR ALL SUBPLOTS. Registered listeners are * notified that the plot has been modified. * <P> * Note: usually you will want to set the renderer independently for each * subplot, which is NOT what this method does. * * @param renderer the new renderer. */ public void setRenderer(XYItemRenderer renderer) { super.setRenderer(renderer); // not strictly necessary, since the // renderer set for the // parent plot is not used Iterator iterator = this.subplots.iterator(); while (iterator.hasNext()) { XYPlot plot = (XYPlot) iterator.next(); plot.setRenderer(renderer); } } /** * Sets the fixed range axis space and sends a {@link PlotChangeEvent} to * all registered listeners. * * @param space the space (<code>null</code> permitted). */ public void setFixedRangeAxisSpace(AxisSpace space) { super.setFixedRangeAxisSpace(space); setFixedRangeAxisSpaceForSubplots(space); fireChangeEvent(); } /** * Sets the size (width or height, depending on the orientation of the * plot) for the domain axis of each subplot. * * @param space the space. */ protected void setFixedRangeAxisSpaceForSubplots(AxisSpace space) { Iterator iterator = this.subplots.iterator(); while (iterator.hasNext()) { XYPlot plot = (XYPlot) iterator.next(); plot.setFixedRangeAxisSpace(space, false); } } /** * Handles a 'click' on the plot by updating the anchor values. * * @param x x-coordinate, where the click occured. * @param y y-coordinate, where the click occured. * @param info object containing information about the plot dimensions. */ public void handleClick(int x, int y, PlotRenderingInfo info) { Rectangle2D dataArea = info.getDataArea(); if (dataArea.contains(x, y)) { for (int i = 0; i < this.subplots.size(); i++) { XYPlot subplot = (XYPlot) this.subplots.get(i); PlotRenderingInfo subplotInfo = info.getSubplotInfo(i); subplot.handleClick(x, y, subplotInfo); } } } /** * Receives a {@link PlotChangeEvent} and responds by notifying all * listeners. * * @param event the event. */ public void plotChanged(PlotChangeEvent event) { notifyListeners(event); } /** * Tests this plot for equality with another object. * * @param obj the other object. * * @return <code>true</code> or <code>false</code>. */ public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof CombinedDomainXYPlot)) { return false; } CombinedDomainXYPlot that = (CombinedDomainXYPlot) obj; if (this.gap != that.gap) { return false; } if (!ObjectUtilities.equal(this.subplots, that.subplots)) { return false; } return super.equals(obj); } /** * Returns a clone of the annotation. * * @return A clone. * * @throws CloneNotSupportedException this class will not throw this * exception, but subclasses (if any) might. */ public Object clone() throws CloneNotSupportedException { CombinedDomainXYPlot result = (CombinedDomainXYPlot) super.clone(); result.subplots = (List) ObjectUtilities.deepClone(this.subplots); for (Iterator it = result.subplots.iterator(); it.hasNext();) { Plot child = (Plot) it.next(); child.setParent(result); } // after setting up all the subplots, the shared domain axis may need // reconfiguring ValueAxis domainAxis = result.getDomainAxis(); if (domainAxis != null) { domainAxis.configure(); } return result; } }

The table below shows all metrics for CombinedDomainXYPlot.java.

MetricValueDescription
BLOCKS76.00Number of blocks
BLOCK_COMMENT96.00Number of block comment lines
COMMENTS309.00Comment lines
COMMENT_DENSITY 1.17Comment density
COMPARISONS51.00Number of comparison operators
CYCLOMATIC73.00Cyclomatic complexity
DECL_COMMENTS32.00Comments in declarations
DOC_COMMENT191.00Number of javadoc comment lines
ELOC263.00Effective lines of code
EXEC_COMMENTS16.00Comments in executable code
EXITS74.00Procedure exits
FUNCTIONS25.00Number of function declarations
HALSTEAD_DIFFICULTY81.77Halstead difficulty
HALSTEAD_EFFORT 0.00Halstead effort
INTERFACE_COMPLEXITY72.00Interface 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 0.00JAVA0005 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 0.00JAVA0016 Abstract class contains public constructor
JAVA0017 0.00JAVA0017 Class name does not have required form
JAVA0018 0.00JAVA0018 Method name does not have required form
JAVA0019 0.00JAVA0019 Interface name does not have required form
JAVA0020 0.00JAVA0020 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 0.00JAVA0032 Switch statement missing default
JAVA0033 0.00JAVA0033 default: not last case in switch statement
JAVA0034 0.00JAVA0034 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 0.00JAVA0043 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 1.00JAVA0078 Floating point values compared with ==
JAVA0079 0.00JAVA0079 Use of instance to reference static member
JAVA0080 0.00JAVA0080 Import declaration not used
JAVA0081 0.00JAVA0081 Boolean literal in comparison
JAVA0082 0.00JAVA0082 Unnecessary widening cast
JAVA0083 0.00JAVA0083 Unnecessary instanceof test
JAVA0084 2.00JAVA0084 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 0.00JAVA0098 Minimize use of implicit field initializers
JAVA0100 0.00JAVA0100 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 0.00JAVA0108 Incorrect javadoc: no @param tag for 'parameter'
JAVA0109 0.00JAVA0109 Incorrect javadoc: no parameter 'parameter'
JAVA0110 0.00JAVA0110 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 1.00JAVA0114 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 0.00JAVA0117 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 0.00JAVA0128 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 1.00JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method'
JAVA0136 1.00JAVA0136 N methods defined in class (maximum: M)
JAVA0137 0.00JAVA0137 Non-abstract class missing constructor
JAVA0138 0.00JAVA0138 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 0.00JAVA0144 Line exceeds maximum M characters
JAVA0145 2.00JAVA0145 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 0.00JAVA0177 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 0.00JAVA0234 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 8.00JAVA0254 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
LINES715.00Number of lines in the source file
LINE_COMMENT22.00Number of line comments
LOC340.00Lines of code
LOGICAL_LINES177.00Number of statements
LOOPS13.00Number of loops
NEST_DEPTH 4.00Maximum nesting depth
OPERANDS793.00Number of operands
OPERATORS1532.00Number of operators
PARAMS36.00Number of formal parameter declarations
PROGRAM_LENGTH2325.00Halstead program length
PROGRAM_VOCAB310.00Halstead program vocabulary
PROGRAM_VOLUME 0.00Halstead program volume
RETURNS36.00Number of return points from functions
SIZE26421.00Size of the file in bytes
UNIQUE_OPERANDS257.00Number of unique operands
UNIQUE_OPERATORS53.00Number of unique operators
WHITESPACE66.00Number of whitespace lines