StackedAreaRenderer.java
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|---|---|---|
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org.jfree.chart.renderer.category |
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JFreeChart |
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|---|---|---|
| DECL_COMMENTS | Comments in declarations |  |
| LINE_COMMENT | Number of line comments | |
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| SIZE | Size of the file in bytes | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LINES | Number of lines in the source file | |
| JAVA0078 | JAVA0078 Floating point values compared with == | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_VOLUME | Halstead program volume | |
| UNIQUE_OPERATORS | Number of unique operators | |
| OPERANDS | Number of operands | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| BLOCK_COMMENT | Number of block comment lines | |
| RETURNS | Number of return points from functions | |
| LOOPS | Number of loops | |
| ELOC | Effective lines of code | |
| WHITESPACE | Number of whitespace lines | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 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.]
*
* ------------------------
* StackedAreaRenderer.java
* ------------------------
* (C) Copyright 2002-2008, by Dan Rivett (d.rivett@ukonline.co.uk) and
* Contributors.
*
* Original Author: Dan Rivett (adapted from AreaCategoryItemRenderer);
* Contributor(s): Jon Iles;
* David Gilbert (for Object Refinery Limited);
* Christian W. Zuckschwerdt;
*
* Changes:
* --------
* 20-Sep-2002 : Version 1, contributed by Dan Rivett;
* 24-Oct-2002 : Amendments for changes in CategoryDataset interface and
* CategoryToolTipGenerator interface (DG);
* 01-Nov-2002 : Added tooltips (DG);
* 06-Nov-2002 : Renamed drawCategoryItem() --> drawItem() and now using axis
* for category spacing. Renamed StackedAreaCategoryItemRenderer
* --> StackedAreaRenderer (DG);
* 26-Nov-2002 : Switched CategoryDataset --> TableDataset (DG);
* 26-Nov-2002 : Replaced isStacked() method with getRangeType() method (DG);
* 17-Jan-2003 : Moved plot classes to a separate package (DG);
* 25-Mar-2003 : Implemented Serializable (DG);
* 13-May-2003 : Modified to take into account the plot orientation (DG);
* 30-Jul-2003 : Modified entity constructor (CZ);
* 07-Oct-2003 : Added renderer state (DG);
* 29-Apr-2004 : Added getRangeExtent() override (DG);
* 05-Nov-2004 : Modified drawItem() signature (DG);
* 07-Jan-2005 : Renamed getRangeExtent() --> findRangeBounds() (DG);
* ------------- JFREECHART 1.0.x ---------------------------------------------
* 11-Oct-2006 : Added support for rendering data values as percentages,
* and added a second pass for drawing item labels (DG);
* 20-Jun-2007 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.renderer.category;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Shape;
import java.awt.geom.GeneralPath;
import java.awt.geom.Rectangle2D;
import java.io.Serializable;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.entity.EntityCollection;
import org.jfree.chart.event.RendererChangeEvent;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.chart.util.RectangleEdge;
import org.jfree.data.DataUtilities;
import org.jfree.data.Range;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
/**
* A renderer that draws stacked area charts for a
* {@link org.jfree.chart.plot.CategoryPlot}.
*/
public class StackedAreaRenderer extends AreaRenderer
implements Cloneable, PublicCloneable,
Serializable {
/** For serialization. */
private static final long serialVersionUID = -3595635038460823663L;
/** A flag that controls whether the areas display values or percentages. */
private boolean renderAsPercentages;
/**
* Creates a new renderer.
*/
public StackedAreaRenderer() {
this(false);
}
/**
* Creates a new renderer.
*
* @param renderAsPercentages a flag that controls whether the data values
* are rendered as percentages.
*/
public StackedAreaRenderer(boolean renderAsPercentages) {
super();
this.renderAsPercentages = renderAsPercentages;
}
/**
* Returns <code>true</code> if the renderer displays each item value as
* a percentage (so that the stacked areas add to 100%), and
* <code>false</code> otherwise.
*
* @return A boolean.
*
* @since 1.0.3
*/
public boolean getRenderAsPercentages() {
return this.renderAsPercentages;
}
/**
* Sets the flag that controls whether the renderer displays each item
* value as a percentage (so that the stacked areas add to 100%), and sends
* a {@link RendererChangeEvent} to all registered listeners.
*
* @param asPercentages the flag.
*
* @since 1.0.3
*/
public void setRenderAsPercentages(boolean asPercentages) {
this.renderAsPercentages = asPercentages;
notifyListeners(new RendererChangeEvent(this));
}
/**
* Returns the number of passes (<code>2</code>) required by this renderer.
* The first pass is used to draw the bars, the second pass is used to
* draw the item labels (if visible).
*
* @return The number of passes required by the renderer.
*/
public int getPassCount() {
return 2;
}
/**
* Returns the range of values the renderer requires to display all the
* items from the specified dataset.
*
* @param dataset the dataset (<code>null</code> not permitted).
*
* @return The range (or <code>null</code> if the dataset is empty).
*/
public Range findRangeBounds(CategoryDataset dataset) {
if (this.renderAsPercentages) {
return new Range(0.0, 1.0);
}
else {
return DatasetUtilities.findStackedRangeBounds(dataset);
}
}
/**
* Draw a single data item.
*
* @param g2 the graphics device.
* @param state the renderer state.
* @param dataArea the data plot area.
* @param plot the plot.
* @param domainAxis the domain axis.
* @param rangeAxis the range axis.
* @param dataset the data.
* @param row the row index (zero-based).
* @param column the column index (zero-based).
* @param pass the pass index.
*/
public void drawItem(Graphics2D g2,
CategoryItemRendererState state,
Rectangle2D dataArea,
CategoryPlot plot,
CategoryAxis domainAxis,
ValueAxis rangeAxis,
CategoryDataset dataset,
int row,
int column,
int pass) {
// setup for collecting optional entity info...
Shape entityArea = null;
EntityCollection entities = state.getEntityCollection();
double y1 = 0.0;
Number n = dataset.getValue(row, column);
if (n != null) {
y1 = n.doubleValue();
}
double[] stack1 = getStackValues(dataset, row, column);
// leave the y values (y1, y0) untranslated as it is going to be be
// stacked up later by previous series values, after this it will be
// translated.
double xx1 = domainAxis.getCategoryMiddle(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
// get the previous point and the next point so we can calculate a
// "hot spot" for the area (used by the chart entity)...
double y0 = 0.0;
n = dataset.getValue(row, Math.max(column - 1, 0));
if (n != null) {
y0 = n.doubleValue();
}
double[] stack0 = getStackValues(dataset, row, Math.max(column - 1, 0));
// FIXME: calculate xx0
double xx0 = domainAxis.getCategoryStart(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
int itemCount = dataset.getColumnCount();
double y2 = 0.0;
n = dataset.getValue(row, Math.min(column + 1, itemCount - 1));
if (n != null) {
y2 = n.doubleValue();
}
double[] stack2 = getStackValues(dataset, row, Math.min(column + 1,
itemCount - 1));
double xx2 = domainAxis.getCategoryEnd(column, getColumnCount(),
dataArea, plot.getDomainAxisEdge());
// FIXME: calculate xxLeft and xxRight
double xxLeft = xx0;
double xxRight = xx2;
double[] stackLeft = averageStackValues(stack0, stack1);
double[] stackRight = averageStackValues(stack1, stack2);
double[] adjStackLeft = adjustedStackValues(stack0, stack1);
double[] adjStackRight = adjustedStackValues(stack1, stack2);
float transY1;
RectangleEdge edge1 = plot.getRangeAxisEdge();
GeneralPath left = new GeneralPath();
GeneralPath right = new GeneralPath();
if (y1 >= 0.0) { // handle positive value
transY1 = (float) rangeAxis.valueToJava2D(y1 + stack1[1], dataArea,
edge1);
float transStack1 = (float) rangeAxis.valueToJava2D(stack1[1],
dataArea, edge1);
float transStackLeft = (float) rangeAxis.valueToJava2D(
adjStackLeft[1], dataArea, edge1);
// LEFT POLYGON
if (y0 >= 0.0) {
double yleft = (y0 + y1) / 2.0 + stackLeft[1];
float transYLeft
= (float) rangeAxis.valueToJava2D(yleft, dataArea, edge1);
left.moveTo((float) xx1, transY1);
left.lineTo((float) xx1, transStack1);
left.lineTo((float) xxLeft, transStackLeft);
left.lineTo((float) xxLeft, transYLeft);
left.closePath();
}
else {
left.moveTo((float) xx1, transStack1);
left.lineTo((float) xx1, transY1);
left.lineTo((float) xxLeft, transStackLeft);
left.closePath();
}
float transStackRight = (float) rangeAxis.valueToJava2D(
adjStackRight[1], dataArea, edge1);
// RIGHT POLYGON
if (y2 >= 0.0) {
double yright = (y1 + y2) / 2.0 + stackRight[1];
float transYRight
= (float) rangeAxis.valueToJava2D(yright, dataArea, edge1);
right.moveTo((float) xx1, transStack1);
right.lineTo((float) xx1, transY1);
right.lineTo((float) xxRight, transYRight);
right.lineTo((float) xxRight, transStackRight);
right.closePath();
}
else {
right.moveTo((float) xx1, transStack1);
right.lineTo((float) xx1, transY1);
right.lineTo((float) xxRight, transStackRight);
right.closePath();
}
}
else { // handle negative value
transY1 = (float) rangeAxis.valueToJava2D(y1 + stack1[0], dataArea,
edge1);
float transStack1 = (float) rangeAxis.valueToJava2D(stack1[0],
dataArea, edge1);
float transStackLeft = (float) rangeAxis.valueToJava2D(
adjStackLeft[0], dataArea, edge1);
// LEFT POLYGON
if (y0 >= 0.0) {
left.moveTo((float) xx1, transStack1);
left.lineTo((float) xx1, transY1);
left.lineTo((float) xxLeft, transStackLeft);
left.clone();
}
else {
double yleft = (y0 + y1) / 2.0 + stackLeft[0];
float transYLeft = (float) rangeAxis.valueToJava2D(yleft,
dataArea, edge1);
left.moveTo((float) xx1, transY1);
left.lineTo((float) xx1, transStack1);
left.lineTo((float) xxLeft, transStackLeft);
left.lineTo((float) xxLeft, transYLeft);
left.closePath();
}
float transStackRight = (float) rangeAxis.valueToJava2D(
adjStackRight[0], dataArea, edge1);
// RIGHT POLYGON
if (y2 >= 0.0) {
right.moveTo((float) xx1, transStack1);
right.lineTo((float) xx1, transY1);
right.lineTo((float) xxRight, transStackRight);
right.closePath();
}
else {
double yright = (y1 + y2) / 2.0 + stackRight[0];
float transYRight = (float) rangeAxis.valueToJava2D(yright,
dataArea, edge1);
right.moveTo((float) xx1, transStack1);
right.lineTo((float) xx1, transY1);
right.lineTo((float) xxRight, transYRight);
right.lineTo((float) xxRight, transStackRight);
right.closePath();
}
}
g2.setPaint(getItemPaint(row, column));
g2.setStroke(getItemStroke(row, column));
// Get series Paint and Stroke
Paint itemPaint = getItemPaint(row, column);
if (pass == 0) {
g2.setPaint(itemPaint);
g2.fill(left);
g2.fill(right);
}
// add an entity for the item...
if (entities != null) {
GeneralPath gp = new GeneralPath(left);
gp.append(right, false);
entityArea = gp;
addItemEntity(entities, dataset, row, column, entityArea);
}
}
// /**
// * Draw a single data item.
// *
// * @param g2 the graphics device.
// * @param state the renderer state.
// * @param dataArea the data plot area.
// * @param plot the plot.
// * @param domainAxis the domain axis.
// * @param rangeAxis the range axis.
// * @param dataset the data.
// * @param row the row index (zero-based).
// * @param column the column index (zero-based).
// * @param pass the pass index.
// */
// public void drawItem(Graphics2D g2,
// CategoryItemRendererState state,
// Rectangle2D dataArea,
// CategoryPlot plot,
// CategoryAxis domainAxis,
// ValueAxis rangeAxis,
// CategoryDataset dataset,
// int row,
// int column,
// int pass) {
//
// // plot non-null values...
// Number dataValue = dataset.getValue(row, column);
// if (dataValue == null) {
// return;
// }
//
// double value = dataValue.doubleValue();
// double total = 0.0; // only needed if calculating percentages
// if (this.renderAsPercentages) {
// total = DataUtilities.calculateColumnTotal(dataset, column);
// value = value / total;
// }
//
// // leave the y values (y1, y0) untranslated as it is going to be be
// // stacked up later by previous series values, after this it will be
// // translated.
// double xx1 = domainAxis.getCategoryMiddle(column, getColumnCount(),
// dataArea, plot.getDomainAxisEdge());
//
// double previousHeightx1 = getPreviousHeight(dataset, row, column);
// double y1 = value + previousHeightx1;
// RectangleEdge location = plot.getRangeAxisEdge();
// double yy1 = rangeAxis.valueToJava2D(y1, dataArea, location);
//
// g2.setPaint(getItemPaint(row, column));
// g2.setStroke(getItemStroke(row, column));
//
// // in column zero, the only job to do is draw any visible item labels
// // and this is done in the second pass...
// if (column == 0) {
// if (pass == 1) {
// // draw item labels, if visible
// if (isItemLabelVisible(row, column)) {
// drawItemLabel(g2, plot.getOrientation(), dataset, row, column,
// xx1, yy1, (y1 < 0.0));
// }
// }
// }
// else {
// Number previousValue = dataset.getValue(row, column - 1);
// if (previousValue != null) {
//
// double xx0 = domainAxis.getCategoryMiddle(column - 1,
// getColumnCount(), dataArea, plot.getDomainAxisEdge());
// double y0 = previousValue.doubleValue();
// if (this.renderAsPercentages) {
// total = DataUtilities.calculateColumnTotal(dataset,
// column - 1);
// y0 = y0 / total;
// }
//
//
// // Get the previous height, but this will be different for both
// // y0 and y1 as the previous series values could differ.
// double previousHeightx0 = getPreviousHeight(dataset, row,
// column - 1);
//
// // Now stack the current y values on top of the previous values.
// y0 += previousHeightx0;
//
// // Now translate the previous heights
// double previousHeightxx0 = rangeAxis.valueToJava2D(
// previousHeightx0, dataArea, location);
// double previousHeightxx1 = rangeAxis.valueToJava2D(
// previousHeightx1, dataArea, location);
//
// // Now translate the current y values.
// double yy0 = rangeAxis.valueToJava2D(y0, dataArea, location);
//
// if (pass == 0) {
// // FIXME: this doesn't handle negative values properly
// Polygon p = null;
// PlotOrientation orientation = plot.getOrientation();
// if (orientation == PlotOrientation.HORIZONTAL) {
// p = new Polygon();
// p.addPoint((int) yy0, (int) xx0);
// p.addPoint((int) yy1, (int) xx1);
// p.addPoint((int) previousHeightxx1, (int) xx1);
// p.addPoint((int) previousHeightxx0, (int) xx0);
// }
// else if (orientation == PlotOrientation.VERTICAL) {
// p = new Polygon();
// p.addPoint((int) xx0, (int) yy0);
// p.addPoint((int) xx1, (int) yy1);
// p.addPoint((int) xx1, (int) previousHeightxx1);
// p.addPoint((int) xx0, (int) previousHeightxx0);
// }
// g2.setPaint(getItemPaint(row, column));
// g2.setStroke(getItemStroke(row, column));
// g2.fill(p);
//
// // add an item entity, if this information is being
// // collected...
// EntityCollection entities = state.getEntityCollection();
// if (entities != null) {
// addItemEntity(entities, dataset, row, column, p);
// }
//
// }
// else {
// if (isItemLabelVisible(row, column)) {
// drawItemLabel(g2, plot.getOrientation(), dataset, row,
// column, xx1, yy1, (y1 < 0.0));
// }
// }
// }
//
//
// }
//
// }
/**
* Calculates the stacked value of the all series up to, but not including
* <code>series</code> for the specified category, <code>category</code>.
* It returns 0.0 if <code>series</code> is the first series, i.e. 0.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param series the series.
* @param category the category.
*
* @return double returns a cumulative value for all series' values up to
* but excluding <code>series</code> for Object
* <code>category</code>.
*/
protected double getPreviousHeight(CategoryDataset dataset,
int series, int category) {
double result = 0.0;
Number n;
double total = 0.0;
if (this.renderAsPercentages) {
total = DataUtilities.calculateColumnTotal(dataset, category);
}
for (int i = 0; i < series; i++) {
n = dataset.getValue(i, category);
if (n != null) {
double v = n.doubleValue();
if (this.renderAsPercentages) {
v = v / total;
}
result += v;
}
}
return result;
}
/**
* Calculates the stacked values (one positive and one negative) of all
* series up to, but not including, <code>series</code> for the specified
* item. It returns [0.0, 0.0] if <code>series</code> is the first series.
*
* @param dataset the dataset (<code>null</code> not permitted).
* @param series the series index.
* @param index the item index.
*
* @return An array containing the cumulative negative and positive values
* for all series values up to but excluding <code>series</code>
* for <code>index</code>.
*/
protected double[] getStackValues(CategoryDataset dataset,
int series, int index) {
double[] result = new double[2];
for (int i = 0; i < series; i++) {
if (isSeriesVisible(i)) {
double v = 0.0;
Number n = dataset.getValue(i, index);
if (n != null) {
v = n.doubleValue();
}
if (!Double.isNaN(v)) {
if (v >= 0.0) {
result[1] += v;
}
else {
result[0] += v;
}
}
}
}
return result;
}
/**
* Returns a pair of "stack" values calculated as the mean of the two
* specified stack value pairs.
*
* @param stack1 the first stack pair.
* @param stack2 the second stack pair.
*
* @return A pair of average stack values.
*/
private double[] averageStackValues(double[] stack1, double[] stack2) {
double[] result = new double[2];
result[0] = (stack1[0] + stack2[0]) / 2.0;
result[1] = (stack1[1] + stack2[1]) / 2.0;
return result;
}
/**
* Calculates adjusted stack values from the supplied values. The value is
* the mean of the supplied values, unless either of the supplied values
* is zero, in which case the adjusted value is zero also.
*
* @param stack1 the first stack pair.
* @param stack2 the second stack pair.
*
* @return A pair of average stack values.
*/
private double[] adjustedStackValues(double[] stack1, double[] stack2) {
double[] result = new double[2];
if (stack1[0] == 0.0 || stack2[0] == 0.0) {
result[0] = 0.0;
}
else {
result[0] = (stack1[0] + stack2[0]) / 2.0;
}
if (stack1[1] == 0.0 || stack2[1] == 0.0) {
result[1] = 0.0;
}
else {
result[1] = (stack1[1] + stack2[1]) / 2.0;
}
return result;
}
/**
* Checks this instance for equality with an arbitrary object.
*
* @param obj the object (<code>null</code> not permitted).
*
* @return A boolean.
*/
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (! (obj instanceof StackedAreaRenderer)) {
return false;
}
StackedAreaRenderer that = (StackedAreaRenderer) obj;
if (this.renderAsPercentages != that.renderAsPercentages) {
return false;
}
return super.equals(obj);
}
}
The table below shows all metrics for StackedAreaRenderer.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 46.00 | Number of blocks | |
| BLOCK_COMMENT | 62.00 | Number of block comment lines | |
| COMMENTS | 326.00 | Comment lines | |
| COMMENT_DENSITY | 1.44 | Comment density | |
| COMPARISONS | 23.00 | Number of comparison operators | |
| CYCLOMATIC | 39.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 152.00 | Comments in declarations | |
| DOC_COMMENT | 114.00 | Number of javadoc comment lines | |
| ELOC | 226.00 | Effective lines of code | |
| EXEC_COMMENTS | 11.00 | Comments in executable code | |
| EXITS | 32.00 | Procedure exits | |
| FUNCTIONS | 12.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 99.43 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 40.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 1.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 1.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 4.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 1.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 1.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 2.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 642.00 | Number of lines in the source file | |
| LINE_COMMENT | 150.00 | Number of line comments | |
| LOC | 273.00 | Lines of code | |
| LOGICAL_LINES | 154.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 696.00 | Number of operands | |
| OPERATORS | 1344.00 | Number of operators | |
| PARAMS | 24.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2040.00 | Halstead program length | |
| PROGRAM_VOCAB | 216.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 16.00 | Number of return points from functions | |
| SIZE | 25216.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 168.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 48.00 | Number of unique operators | |
| WHITESPACE | 43.00 | Number of whitespace lines | |