GUIHelper.java
| Index Score | ||
|---|---|---|
 |
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org.xnap.gui.util |
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 |
XNap 3 |
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.
| Metric | Description | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| EXITS | Procedure exits | |
| EXEC_COMMENTS | Comments in executable code | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| OPERANDS | Number of operands | |
| LOOPS | Number of loops | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| LINES | Number of lines in the source file | |
| LOC | Lines of code | |
| CYCLOMATIC | Cyclomatic complexity | |
| FUNCTIONS | Number of function declarations | |
| BLOCKS | Number of blocks | |
| SIZE | Size of the file in bytes | |
| LOGICAL_LINES | Number of statements | |
| RETURNS | Number of return points from functions | |
| ELOC | Effective lines of code | |
| COMMENTS | Comment lines | |
| JAVA0008 | JAVA0008 Empty catch block | |
| JAVA0076 | JAVA0076 Use of magic number | |
| UNIQUE_OPERATORS | Number of unique operators | |
| COMPARISONS | Number of comparison operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0109 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
/*
* XNap - A P2P framework and client.
*
* See the file AUTHORS for copyright information.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.xnap.gui.util;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.StringTokenizer;
import javax.swing.*;
import javax.help.*;
import javax.swing.border.*;
import javax.swing.ActionMap;
import javax.swing.BorderFactory;
import javax.swing.InputMap;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JScrollBar;
import javax.swing.JTable;
import javax.swing.JTree;
import javax.swing.KeyStroke;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.text.JTextComponent;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;
import org.xnap.XNap;
import org.xnap.gui.component.XNapBevelBorder;
import org.xnap.util.FileHelper;
import org.xnap.util.Preferences;
import org.xnap.util.SystemHelper;
import com.jgoodies.forms.factories.DefaultComponentFactory;
/**
* Helps with gui related tasks. We can not have <code>Preferences.java</code>
* depend on java.awt.
*/
public class GUIHelper
{
//--- Constant(s) ---
/**
* Kicker offset.
*/
public static final int POPUP_MENU_HEIGHT_INSET = 50;
//--- Data field(s) ---
protected static Preferences prefs = Preferences.getInstance();
//--- Constructor(s) ---
//--- Method(s) ---
/**
* Adds a mapping between the enter key and <code>action</code> to the
* input map of <code>c</code>.
*
* @return true, if successful; false, otherwise
*/
public static boolean bindEnterKey(JComponent c, Action action)
{
KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
return bindKey(c, ks, action, true);
}
/**
* Does the same as {@link #bindEnterKey(JComponent, Action)} but
* uses the default input map and not the window input map.
*
* @return true, if successful; false, otherwise */
public static boolean bindEnterKeyLocally(JComponent c, Action action)
{
KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0);
return bindKey(c, ks, action, false);
}
/**
* Adds a mapping between the escape key and <code>action</code> to the
* input map of <code>c</code>.
*
* @return true, if successful; false, otherwise
*/
public static boolean bindEscapeKey(JComponent c, Action action)
{
KeyStroke ks = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
return bindKey(c, ks, action, true);
}
/**
* Adds a mapping between <code>ks</code> and <code>action</code> to the
* input map of <code>c</code>.
*
* @return true, if successful; false, otherwise
*/
public static boolean bindKey(JComponent c, KeyStroke ks, Action action,
boolean whenInFocusedWindow)
{
InputMap inputMap
= (whenInFocusedWindow)
? c.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)
: c.getInputMap();
ActionMap actionMap = c.getActionMap();
if (inputMap != null && actionMap != null) {
inputMap.put(ks, action);
actionMap.put(action, action);
return true;
}
return false;
}
/**
* Returns an etched default border.
*/
public static Border createDefaultBorder(String title)
{
return BorderFactory.createTitledBorder
(BorderFactory.createEtchedBorder(), " " + title + " ");
}
/**
* Returns an empty border.
*/
public static Border createEmptyBorder(int inset)
{
return BorderFactory.createEmptyBorder(inset, inset, inset, inset);
}
/**
* Returns an empty border.
*/
public static Border createEmptyBorder()
{
return createEmptyBorder(0);
}
/**
* Returns an empty border.
*/
public static Border createEtchedBorder()
{
return BorderFactory.createEtchedBorder();
}
public static Border createLoweredBorder()
{
return new XNapBevelBorder(XNapBevelBorder.LOWERED);
}
public static Border createRaisedBorder()
{
return new XNapBevelBorder(XNapBevelBorder.RAISED);
}
/**
* Creates and answers a label with separator; useful to separate
* paragraphs in a panel. This is often a better choice than
* a <code>TitledBorder</code>.
* <p>
* The current implementation doesn't support component alignments.
*
* <p>Copyright (c) 2003 JGoodies Karsten Lentzsch. All Rights Reserved.
* Modified by Steffen Pingel for XNap.
*
* @param text the title's text
* @param alignment text alignment: left, center, right
* @return a separator with title label
*/
// public JComponent createSeparator(String text, int alignment)
// {
// JPanel header = new JPanel(new GridBagLayout());
// GridBagConstraints gbc = new GridBagConstraints();
// gbc.weightx = 0.0;
// gbc.weighty = 1.0;
// gbc.anchor = GridBagConstraints.SOUTHWEST;
// gbc.fill = GridBagConstraints.BOTH;
// gbc.gridwidth = 1;
// gbc.gridheight = 3;
// if (text != null && text.length() > 0) {
// JLabel label = new TitleLabel();
// setTextAndMnemonic(label, textWithMnemonic);
// label.setVerticalAlignment(SwingConstants.CENTER);
// label.setBorder(BorderFactory.createEmptyBorder(1, 0, 1, gap));
// return label;
// header.add(createTitle(text, 4), gbc);
// }
// gbc.weightx = 1.0;
// gbc.weighty = 1.0;
// gbc.gridwidth = GridBagConstraints.REMAINDER;
// gbc.gridheight = 1;
// JSeparator separator = new JSeparator();
// header.add(Box.createGlue(), gbc);
// gbc.weighty = 0.0;
// header.add(separator, gbc);
// gbc.weighty = 1.0;
// header.add(Box.createGlue(), gbc);
// return header;
// }
public static JComponent createHeader(String title)
{
JLabel label = new JLabel(title);
Font font = UIManager.getFont("TitledBorder.font");
if (font != null) {
label.setFont(font.deriveFont(Font.BOLD));
}
Color foreground = UIManager.getColor("TitledBorder.titleColor");
if (foreground != null) {
label.setForeground(foreground);
}
return label;
}
public static JComponent createSeparator(String title)
{
// JPanel panel = new JPanel(new BorderLayout());
// panel.add(new JSeparator(), BorderLayout.CENTER);
// JLabel label = new JLabel(title);
// label.setFont(new Font("Dialog", Font.BOLD, 14));
// label.setForeground(Color.blue);
// panel.add(label, BorderLayout.EAST);
// return panel;
return DefaultComponentFactory.getInstance().createSeparator(title);
}
/**
* Returns a titled border.
*/
public static Border createTitledBorder(String title, int inset)
{
return BorderFactory.createCompoundBorder
(createDefaultBorder(title), createEmptyBorder(inset));
}
public static void expandAllNodes(JTree jt)
{
TreeModel m = jt.getModel();
for (int i = m.getChildCount(m.getRoot()) - 1; i >= 0; i--) {
Object[] path
= new Object[] { m.getRoot(), m.getChild(m.getRoot(), i) };
jt.expandPath(new TreePath(path));
}
}
public static void initialize()
{
}
public static void restrictWidth(JComponent jc)
{
jc.setMaximumSize(new Dimension(jc.getPreferredSize().width,
jc.getMaximumSize().height));
}
public static void scrollToEnd(JTextComponent jt)
{
// Element map = jt.getDocument().getDefaultRootElement();
// Element lastLine = map.getElement(map.getElementCount() - 1);
// jt.setCaretPosition(lastLine.getEndOffset() - 1);
jt.setCaretPosition(jt.getDocument().getEndPosition().getOffset() - 1);
}
/**
* Returns true, if <code>jsb</code> is at the maximum value.
*/
public static boolean shouldScroll(JScrollBar jsb)
{
int pos = jsb.getValue() + jsb.getVisibleAmount();
return (pos == jsb.getMaximum());
}
public static KeyStroke getMenuKeyStroke(int keyCode)
{
int mask = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
return KeyStroke.getKeyStroke(keyCode, mask);
}
public static void setAccelerator(JMenuItem jmi, int keyCode)
{
int mask = Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
jmi.setAccelerator(KeyStroke.getKeyStroke(keyCode, mask));
}
public static void setMnemonics(JTabbedPane pane)
{
HashSet letters = new HashSet();
for (int i = 0; i < pane.getTabCount(); i++) {
if (pane.getMnemonicAt(i) == 0) {
pane.setMnemonicAt(i, getMnemonicForText(pane.getTitleAt(i),
letters));
}
}
}
public static void setMnemonics(Container c)
{
setMnemonics(c, null);
}
public static void setMnemonics(Container c, HashSet l)
{
HashSet letters = (l != null) ? l : new HashSet();
for (int i = 0; i < c.getComponentCount(); i++) {
Component component = c.getComponent(i);
if (component instanceof AbstractButton) {
AbstractButton ab = (AbstractButton)component;
if (ab.getMnemonic() == 0) {
setMnemonics(ab, letters);
}
else {
letters.add(new Integer(ab.getMnemonic()));
}
}
if (component instanceof JLabel) {
JLabel label = (JLabel)component;
if (label.getDisplayedMnemonic() != 0) {
letters.add(new Integer(label.getDisplayedMnemonic()));
}
if (label.getLabelFor() != null) {
setMnemonics(label, letters);
}
}
if (component instanceof JMenu) {
setMnemonics(((JMenu)component).getPopupMenu());
}
// recurse
if (component instanceof Container) {
setMnemonics((Container)component, letters);
}
}
}
private static boolean setMnemonics(JLabel label, HashSet letters)
{
if (label.getText() == null) {
return true;
}
String text = label.getText();
// try first letters of words first
StringTokenizer t = new StringTokenizer(text);
while (t.hasMoreTokens()) {
Integer character = new Integer((int)t.nextToken().charAt(0));
if (!letters.contains(character)) {
letters.add(character);
label.setDisplayedMnemonic(character.intValue());
return true;
}
}
// pick any character, start with the second one
// the first one has already been checked
for (int i = 1; i < text.length(); i++) {
Integer character = new Integer((int)text.charAt(i));
if (text.charAt(i) != ' ' && !letters.contains(character)) {
letters.add(character);
label.setDisplayedMnemonic(character.intValue());
return true;
}
}
return false;
}
private static int getMnemonicForText(String text, HashSet letters)
{
// try first letters of words first
StringTokenizer t = new StringTokenizer(text);
while (t.hasMoreTokens()) {
Integer character = new Integer((int)t.nextToken().charAt(0));
if (!letters.contains(character)) {
letters.add(character);
return character.intValue();
}
}
// pick any character, start with the second one
// the first one has already been checked
for (int i = 1; i < text.length(); i++) {
Integer character = new Integer((int)text.charAt(i));
if (text.charAt(i) != ' ' && !letters.contains(character)) {
letters.add(character);
return character.intValue();
}
}
return 0;
}
private static boolean setMnemonics(AbstractButton ab, HashSet letters)
{
if (ab.getText() == null) {
return true;
}
String text = ab.getText().toUpperCase();
// try first letters of words first
StringTokenizer t = new StringTokenizer(text);
while (t.hasMoreTokens()) {
Integer character = new Integer((int)t.nextToken().charAt(0));
if (!letters.contains(character)) {
letters.add(character);
ab.setMnemonic(character.intValue());
return true;
}
}
// pick any character, start with the second one
// the first one has already been checked
for (int i = 1; i < text.length(); i++) {
Integer character = new Integer((int)text.charAt(i));
if (text.charAt(i) != ' ' && !letters.contains(character)) {
letters.add(character);
ab.setMnemonic(character.intValue());
return true;
}
}
return false;
}
/**
* Loads text from file and sets it to <code>jta</code>.
*
* <p>If file is not found or could not be read, sets
* <code>altText</code> instead.
*/
public static void showFile(JTextComponent jta, String filename,
String altText)
{
InputStream s = FileHelper.getResourceAsStream(filename);
if (s != null) {
try {
jta.setText(FileHelper.readText(s));
jta.setCaretPosition(0);
return;
}
catch (IOException e) {
}
finally {
try {
s.close();
}
catch (IOException e) {
}
}
}
// file reading failed for some reason, fallback to altText
jta.setText(altText);
}
public static void showPopupMenu(JPopupMenu jpm, Component source,
int x, int y, int yOffset)
{
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
screen.height -= POPUP_MENU_HEIGHT_INSET;
Point origin = source.getLocationOnScreen();
origin.translate(x, y);
int height = jpm.getHeight();
if (height == 0) {
jpm.addComponentListener(new SizeListener(source, x, y));
}
int width = jpm.getWidth();
if (origin.x + width > screen.width) {
//x -= (origin.x + width) - screen.width;
// we prefer kde behaviour
x -= width;
}
if (origin.y + height > screen.height) {
// we prefer kde behaviour
//y -= (origin.y + height) - screen.height;
y -= height;
y += yOffset;
}
jpm.show(source, x, y);
}
public static void showPopupMenu(JPopupMenu jpm, Component source,
int x, int y)
{
showPopupMenu(jpm, source, x, y, 0);
}
/**
* Wraps HTML tags around <code>text</code> so the maximum width
* is limited to a senseful value.
*
* @return text, enclosed in table html tags
*/
public static String label(String text)
{
return tt(text, 500);
}
/**
* Wraps HTML tags around <code>text</code> so the maximum width
* is limited to a senseful value.
*
* @return text, enclosed in table html tags
*/
public static String tt(String text, int width)
{
StringBuffer sb = new StringBuffer(33 + text.length() + 25);
sb.append("<html>");
sb.append("<table><tr><td width=\"" + width + "\">");
if (SystemHelper.isJDK13orSmaller) {
sb.append("<font face=\"sansserif,arial,helvetica,tahoma\">");
}
sb.append(text);
if (SystemHelper.isJDK13orSmaller) {
sb.append("</font>");
}
sb.append("</td></tr></table>");
sb.append("</html>");
return sb.toString();
}
/**
* Wraps HTML tags around <code>text</code> so the maximum width
* is limited to a sensible value.
*
* @return text, enclosed in table html tags
*/
public static String tt(String text)
{
return tt(text, 300);
}
/**
* Formats key, value as a HTML table row, the key is highlighted as bold.
*/
public static String tableRow(String key, String value)
{
StringBuffer sb = new StringBuffer();
sb.append("<tr><td><b>");
sb.append(key);
sb.append("</b></td><td> ");
sb.append((value != null) ? value : XNap.tr("Unknown"));
sb.append("</td></tr>");
return sb.toString();
}
public static void limitSize(JComponent c)
{
c.setMaximumSize(new Dimension(c.getPreferredSize().width,
c.getMaximumSize().height));
}
/**
* Adds some Emacs like keybindings to a table for moving between rows.
*/
public static void bindEmacsKeysToTable(JTable jta)
{
ActionListener al =
jta.getActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN,
0));
jta.registerKeyboardAction
(al,KeyStroke.getKeyStroke(KeyEvent.VK_N, InputEvent.CTRL_MASK),
JComponent.WHEN_FOCUSED);
al = jta.getActionForKeyStroke(KeyStroke.getKeyStroke(KeyEvent.VK_UP,
0));
jta.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_P, InputEvent.CTRL_MASK),
JComponent.WHEN_FOCUSED);
al = jta.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_DOWN, 0));
jta.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.CTRL_MASK),
JComponent.WHEN_FOCUSED);
al = jta.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_UP, 0));
jta.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_V, InputEvent.ALT_MASK),
JComponent.WHEN_FOCUSED);
al = jta.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_HOME, InputEvent.CTRL_MASK));
jta.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_LESS, InputEvent.ALT_MASK),
JComponent.WHEN_FOCUSED);
al = jta.getActionForKeyStroke
(KeyStroke.getKeyStroke(KeyEvent.VK_END, InputEvent.CTRL_MASK));
jta.registerKeyboardAction
(al, KeyStroke.getKeyStroke(KeyEvent.VK_LESS, InputEvent.ALT_MASK
+ InputEvent.SHIFT_MASK),
JComponent.WHEN_FOCUSED);
}
}
The table below shows all metrics for GUIHelper.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 75.00 | Number of blocks | |
| BLOCK_COMMENT | 18.00 | Number of block comment lines | |
| COMMENTS | 169.00 | Comment lines | |
| COMMENT_DENSITY | 0.60 | Comment density | |
| COMPARISONS | 43.00 | Number of comparison operators | |
| CYCLOMATIC | 78.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 54.00 | Comments in declarations | |
| DOC_COMMENT | 92.00 | Number of javadoc comment lines | |
| ELOC | 283.00 | Effective lines of code | |
| EXEC_COMMENTS | 20.00 | Comments in executable code | |
| EXITS | 84.00 | Procedure exits | |
| FUNCTIONS | 35.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 0.47 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 101.00 | 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 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 2.00 | 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 | 1.00 | 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 non-protected 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 | 0.00 | 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 | 0.00 | 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 | 4.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 2.00 | 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 | 0.00 | 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 | 26.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 2.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 7.00 | 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 | 15.00 | 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 | 0.00 | 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 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | 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 | 891.00 | 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 | 0.00 | 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 | |
| JAVA0289 | 1.00 | null | |
| LINES | 643.00 | Number of lines in the source file | |
| LINE_COMMENT | 59.00 | Number of line comments | |
| LOC | 395.00 | Lines of code | |
| LOGICAL_LINES | 186.00 | Number of statements | |
| LOOPS | 9.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 989.00 | Number of operands | |
| OPERATORS | 1713.00 | Number of operators | |
| PARAMS | 53.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2702.00 | Halstead program length | |
| PROGRAM_VOCAB | 373.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 48.00 | Number of return points from functions | |
| SIZE | 17889.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 323.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 50.00 | Number of unique operators | |
| WHITESPACE | 79.00 | Number of whitespace lines | |