Console.java
| Index Score | ||
|---|---|---|
 |
 |
com.limegroup.gnutella.gui |
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|
FrostWire |
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 | |
|---|---|---|
| EXITS | Procedure exits |  |
| LOGICAL_LINES | Number of statements | |
| FUNCTIONS | Number of function declarations | |
| UNIQUE_OPERANDS | Number of unique operands | |
| ELOC | Effective lines of code | |
| OPERANDS | Number of operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| SIZE | Size of the file in bytes | |
| LOC | Lines of code | |
| RETURNS | Number of return points from functions | |
| CYCLOMATIC | Cyclomatic complexity | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| BLOCKS | Number of blocks | |
| LINES | Number of lines in the source file | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LINE_COMMENT | Number of line comments | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| WHITESPACE | Number of whitespace lines | |
| COMPARISONS | Number of comparison operators | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| UNIQUE_OPERATORS | Number of unique operators | |
| EXEC_COMMENTS | Comments in executable code | |
| NEST_DEPTH | Maximum nesting depth | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0043 | JAVA0043 Inner class does not use outer class | |
| JAVA0095 | JAVA0095 Uninitialized private field | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| LOOPS | Number of loops | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
package com.limegroup.gnutella.gui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingConstants;
import javax.swing.SwingUtilities;
import javax.swing.Timer;
import javax.swing.event.PopupMenuEvent;
import javax.swing.event.PopupMenuListener;
import org.apache.log4j.Level;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.WriterAppender;
import org.apache.log4j.spi.LoggerRepository;
import org.limewire.i18n.I18nMarker;
import org.limewire.mojito.MojitoDHT;
import org.limewire.service.ErrorService;
import org.limewire.util.CommonUtils;
import com.google.inject.Inject;
import com.limegroup.gnutella.bugs.LocalClientInfo;
import com.limegroup.gnutella.dht.DHTManager;
import com.limegroup.gnutella.gui.themes.ThemeFileHandler;
import com.limegroup.gnutella.gui.themes.ThemeMediator;
import com.limegroup.gnutella.gui.themes.ThemeObserver;
import com.limegroup.gnutella.settings.ConsoleSettings;
/**
* A Console for log/any output
*/
public class Console extends JPanel implements ThemeObserver {
@Inject private static volatile LocalClientInfoFactory localClientInfoFactory;
private final int idealSize;
private final int maxExcess;
private JScrollPane scrollPane;
private JTextArea output;
private JButton apply;
private JButton clear;
private JButton save;
private JComboBox loggerComboBox;
private JComboBox levelComboBox;
/**
* Text field into which the delay time (in seconds)
* can be input.
*/
private WholeNumberField delayTxt;
private boolean scroll = true;
private boolean altCtrlDown = false;
private List<ConsoleListener> listeners = null;
/**
* Delay time (in seconds) for updating the console text area.
*/
private int delay;
/**
* Buffer for text to be appended to the console text
* area. Uses a StringBuffer because it is
* synchronized.
*/
private StringBuffer delayBuf;
/**
* The timer we use to schedule updates to the console
* text area.
*/
private Timer delayTimer;
public Console() {
idealSize = ConsoleSettings.CONSOLE_IDEAL_SIZE.getValue();
maxExcess = ConsoleSettings.CONSOLE_MAX_EXCESS.getValue();
output = new JTextArea();
output.setEditable(false);
scrollPane = new JScrollPane(output);
scrollPane.getVerticalScrollBar().addAdjustmentListener(
new AdjustmentListener() {
public void adjustmentValueChanged(AdjustmentEvent e) {
if (e.getValueIsAdjusting()) {
scroll = false;
} else {
scroll = true;
}
}
});
loggerComboBox = new JComboBox(new LoggerComboBoxModel());
levelComboBox = new JComboBox(new LevelComboBoxModel());
loggerComboBox.setAutoscrolls(true);
loggerComboBox.setMaximumRowCount(20);
loggerComboBox.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent evt) {
selectLoggerLevel();
}
});
loggerComboBox.addPopupMenuListener(new PopupMenuListener() {
public void popupMenuWillBecomeVisible(PopupMenuEvent evt) {
refreshLoggers();
}
public void popupMenuCanceled(PopupMenuEvent evt) {}
public void popupMenuWillBecomeInvisible(PopupMenuEvent evt) {}
});
levelComboBox.setAutoscrolls(true);
apply = new JButton(I18n.tr("Apply"));
apply.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
applyLevel();
}
});
clear = new JButton(I18n.tr("Clear"));
clear.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
clear();
}
});
save = new JButton(I18n.tr("Save"));
save.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
save();
}
});
// default the delay time to zero (ie, live
// updates).
JLabel delayLabel = new JLabel(I18n.tr("Delay: "));
delayLabel.setMinimumSize(new Dimension(50, 23));
delayLabel.setHorizontalAlignment(SwingConstants.RIGHT);
delay = 0;
delayBuf = new StringBuffer();
delayTimer = null;
delayTxt = new WholeNumberField(0, 3);
delayTxt.setText("0");
delayTxt.setHorizontalAlignment(JTextField.RIGHT);
delayTxt.setMinimumSize(new Dimension(50, 23));
delayTxt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
setDelay();
}
});
// Developers can press and hold Alt+Ctrl while clicking
// on Save to get the current stack traces.
KeyListener keyListener = new KeyAdapter() {
public void keyPressed(KeyEvent e) {
altCtrlDown = e.isAltDown() && e.isControlDown();
}
// Note: if the user is holding Alt+Ctrl while
// switching to a different Tab this will never
// get called! We need a second Listener!
public void keyReleased(KeyEvent e) {
altCtrlDown = false;
}
};
// Install the listener on all components
addKeyListener(keyListener);
scrollPane.addKeyListener(keyListener);
output.addKeyListener(keyListener);
loggerComboBox.addKeyListener(keyListener);
levelComboBox.addKeyListener(keyListener);
apply.addKeyListener(keyListener);
clear.addKeyListener(keyListener);
save.addKeyListener(keyListener);
// Reset the flag if this Tab gets invisible
addComponentListener(new ComponentAdapter() {
public void componentHidden(ComponentEvent e) {
altCtrlDown = false;
}
});
setLayout(new BorderLayout());
add(BorderLayout.CENTER, scrollPane);
JPanel controlsPanel = new JPanel();
controlsPanel.setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 1;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(loggerComboBox, gbc);
gbc.gridx = 1;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.insets = new Insets(0, 5, 0, 0);
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(levelComboBox, gbc);
gbc.gridx = 2;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(delayLabel, gbc);
gbc.gridx = 3;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.insets = new Insets(0, 0, 0, 0);
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(delayTxt, gbc);
gbc.gridx = 4;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.insets = new Insets(0, 5, 0, 0);
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(apply, gbc);
gbc.gridx = 5;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(clear, gbc);
gbc.gridx = 6;
gbc.gridy = 0;
gbc.gridwidth = 1;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(save, gbc);
if (ConsoleSettings.SHOW_INPUT_FIELD.getValue()) {
listeners = new ArrayList<ConsoleListener>();
JTextField inputField = new JTextField();
inputField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
JTextField textField = (JTextField)evt.getSource();
String command = textField.getText().trim();
if (command.length() == 0) {
return;
}
textField.setText("");
try {
ConsoleWriter writer = new ConsoleWriter();
PrintWriter out = new PrintWriter(writer);
for(ConsoleListener l : listeners) {
if (l.handleCommand(command, out)) {
return;
}
}
appendText("Unknown command: " + command + "\n");
} catch (IOException err) {
appendText(err.getMessage());
}
}
});
addConsoleListener(new ConsoleListener() {
@SuppressWarnings("unchecked")
public boolean handleCommand(final String command, final PrintWriter out) throws IOException {
Runnable task = new Runnable() {
public void run() {
try {
DHTManager manager = GuiCoreMediator.getDHTManager();
MojitoDHT dht = manager.getMojitoDHT();
if (dht == null) {
out.println("Mojito is not running");
return;
}
Class cmdHandler = Class.forName("org.limewire.mojito.CommandHandler");
Method handle = cmdHandler.getMethod("handle",
new Class[]{MojitoDHT.class, String.class, PrintWriter.class});
((Boolean)handle.invoke(null,
new Object[]{dht, command, out})).booleanValue();
} catch (SecurityException e) {
e.printStackTrace(out);
} catch (IllegalArgumentException e) {
e.printStackTrace(out);
} catch (ClassNotFoundException e) {
e.printStackTrace(out);
} catch (NoSuchMethodException e) {
e.printStackTrace(out);
} catch (IllegalAccessException e) {
e.printStackTrace(out);
} catch (InvocationTargetException e) {
e.printStackTrace(out);
} finally {
out.flush();
}
}
};
new Thread(task).start();
return true;
}
});
gbc.gridx = 0;
gbc.gridy = 1;
gbc.gridwidth = 5;
gbc.gridheight = 1;
gbc.weightx = 0;
gbc.weighty = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
controlsPanel.add(inputField, gbc);
}
add(BorderLayout.SOUTH, controlsPanel);
updateTheme();
ThemeMediator.addThemeObserver(this);
refreshLoggers();
attachLogs();
}
public void addConsoleListener(ConsoleListener l) {
if (listeners != null && l != null) {
listeners.add(l);
}
}
/**
*
*/
private void attachLogs() {
WriterAppender append = new WriterAppender(new PatternLayout(
ConsoleSettings.CONSOLE_PATTERN_LAYOUT.getValue()), new ConsoleWriter());
LogManager.getRootLogger().addAppender(append);
}
/**
* Rebuilds the Logger ComboBox
*/
private void refreshLoggers() {
LoggerRepository repository = LogManager.getLoggerRepository();
Enumeration currentLoggers = repository.getCurrentLoggers();
LoggerComboBoxModel loggerModel = (LoggerComboBoxModel) loggerComboBox.getModel();
int loggerIndex = loggerComboBox.getSelectedIndex();
LoggerNode currentLogger = (loggerIndex >= 0) ? loggerModel.getLogger(loggerIndex) : null;
/*
* Step 1: Create a Tree of Packages and Classes
*/
List<PackageNode> pkgList = new ArrayList<PackageNode>();
Map<String, PackageNode> pkgMap = new HashMap<String, PackageNode>();
while (currentLoggers.hasMoreElements()) {
Logger lggr = (Logger)currentLoggers.nextElement();
String pkg = PackageNode.getPackage(lggr);
PackageNode node = pkgMap.get(pkg);
if (node == null) {
node = new PackageNode(pkg);
pkgMap.put(pkg, node);
pkgList.add(node);
}
node.add(lggr);
}
/*
* Step 2: Sort the Packages by name
*/
Collections.sort(pkgList, new Comparator<PackageNode>() {
public int compare(PackageNode o1, PackageNode o2) {
return o1.getName().compareTo(o2.getName());
}
});
/*
* Step 3: Turn the Tree into a flat List of
*
* Package
* Class
* Class
* Package
* Class
* ...
*/
loggerIndex = -1;
List<LoggerNode> nodes = new ArrayList<LoggerNode>();
for(PackageNode pkgNode : pkgList) {
pkgNode.sort();
nodes.add(pkgNode);
if (loggerIndex == -1 && pkgNode.equals(currentLogger)) {
loggerIndex = nodes.size()-1;
}
for (ClassNode classNode : pkgNode.getNodes()) {
nodes.add(classNode);
if (loggerIndex == -1
&& classNode.equals(currentLogger)) {
loggerIndex = nodes.size()-1;
}
}
}
loggerModel.refreshLoggers(nodes);
boolean empty = nodes.isEmpty();
loggerComboBox.setEnabled(!empty);
levelComboBox.setEnabled(!empty);
apply.setEnabled(!empty);
if (!empty) {
loggerComboBox.setSelectedIndex(loggerIndex >= 0 ? loggerIndex : 0);
selectLoggerLevel();
}
}
/**
* Selects the Level of the currently selected Logger
*/
private void selectLoggerLevel() {
LoggerComboBoxModel loggerModel = (LoggerComboBoxModel) loggerComboBox.getModel();
LevelComboBoxModel levelModel = (LevelComboBoxModel) levelComboBox.getModel();
int loggerIndex = loggerComboBox.getSelectedIndex();
if (loggerIndex < 0)
return;
Level level = getLevel(loggerModel.getLogger(loggerIndex));
levelModel.setSelectedItem(level);
}
/**
* Applies the currently selected logging level
*/
private void applyLevel() {
// because the user might not hit enter after
// typing a delay, and then subsequently hit apply,
// also set the delay here.
//
setDelay();
LoggerComboBoxModel loggerModel = (LoggerComboBoxModel) loggerComboBox.getModel();
LevelComboBoxModel levelModel = (LevelComboBoxModel) levelComboBox.getModel();
int loggerIndex = loggerComboBox.getSelectedIndex();
if (loggerIndex < 0)
return;
LoggerNode logger = loggerModel.getLogger(loggerIndex);
Level currentLevel = getLevel(logger);
int levelIndex = levelComboBox.getSelectedIndex();
Level newLevel = (levelIndex > 0) ? levelModel.getLevel(levelIndex) : null;
if (!currentLevel.equals(newLevel)) {
logger.setLevel(newLevel);
loggerComboBox.setSelectedIndex(loggerIndex); // update the ComboxBox (the text)
loggerModel.updateIndex(loggerIndex);
}
}
/**
* Appends text to the console.
*
* @param text
* The text to be appended
*/
public void appendText(final String text) {
if (!output.isEnabled()) {
return;
}
// if there is a non-zero delay value, then append
// the text to the buffer instead of immediately
// scheduling it to be added to the console text
// area.
//
if (0 != delay) {
delayBuf.append(text);
return;
}
invokeLaterConsoleAppend(text);
}
/**
* Clears the console.
*/
public void clear() {
output.setText(null);
}
/**
* Saves the current Console output and the stack traces of
* all active Threads if available
*/
public void save() {
try {
output.setEnabled(altCtrlDown);
String log = output.getText().trim();
String traces = CommonUtils.getAllStackTraces();
if (log.length() == 0
&& traces.length() == 0) {
return;
}
if (altCtrlDown) {
StringBuilder buffer = new StringBuilder();
buffer.append("-- BEGIN STACK TRACES --\n");
buffer.append(traces.length() > 0 ? traces : "NONE");
buffer.append("\n-- END STACK TRACES --\n");
appendText(buffer.toString());
} else {
StringBuilder buffer = new StringBuilder();
buffer.append(new Date()).append("\n\n");
Exception e = new Exception() {
public void printStackTrace(PrintWriter out) {
/* PRINT NOTHING */
}
};
LocalClientInfo info = localClientInfoFactory.createLocalClientInfo(e, Thread
.currentThread().getName(), "Console Log", false);
buffer.append(info.toBugReport());
buffer.append("-- BEGIN STACK TRACES --\n");
buffer.append(traces.length() > 0 ? traces : "NONE");
buffer.append("\n-- END STACK TRACES --\n");
buffer.append("\n-- BEGIN LOG --\n");
buffer.append(log.length() > 0 ? log : "NONE");
buffer.append("\n-- END LOG --\n");
File file = FileChooserHandler.getSaveAsFile(GUIMediator.getAppFrame(),
I18nMarker.marktr("Save As"),
new File(FileChooserHandler.getLastInputDirectory(), "limewire-log.txt"));
if (file == null) {
return;
}
BufferedWriter out = new BufferedWriter(new FileWriter(file));
out.write(buffer.toString());
out.close();
}
} catch (IOException err) {
ErrorService.error(err);
} finally {
output.setEnabled(true);
}
}
/**
* Appends consoleTxt to the console text area in the
* swing thread.
*
* @param consoleTxt string to append to the console text area
*/
public void invokeLaterConsoleAppend (final String consoleTxt) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
_appendText(consoleTxt);
}
});
}
/**
* Appends to the console text area. This should be
* called from within the swing thread.
*
* @param consoleTxt
*/
public void _appendText (String consoleTxt) {
output.append(consoleTxt);
int excess = output.getDocument().getLength() - idealSize;
if (excess >= maxExcess) {
output.replaceRange("", 0, excess);
}
if (scroll)
output.setCaretPosition(output.getText().length());
}
/**
* Called when the value of the delay text field is
* changed. Parse the value as an integer, understood
* to be seconds, and set the update delay to that
* value.
*/
public void setDelay() {
delay = delayTxt.getValue();
// if the delay is set to zero, flush the buffer to
// the console text area, since it is possible that
// some text was dumped in there, and we don't want
// to lose it.
//
if (0 == delay) {
synchronized (delayBuf) {
if (0 != delayBuf.length()) {
String strbuf = delayBuf.toString();
delayBuf.delete(0, strbuf.length());
invokeLaterConsoleAppend(strbuf);
}
}
if (delayTimer != null) {
delayTimer.stop();
delayTimer = null;
}
}
// a non-zero delay value. schedule a timer to
// update the console text area every 'delay'
// seconds.
//
else {
if (null == delayTimer) {
delayTimer = new Timer(delay*1000, new ActionListener() {
public void actionPerformed (ActionEvent evt) {
if (0 == delayBuf.length())
return;
synchronized(delayBuf) {
String strbuf = delayBuf.toString();
delayBuf.delete(0, strbuf.length());
_appendText(strbuf);
}
}
});
delayTimer.start();
}
else
delayTimer.setDelay(delay * 1000);
}
}
/**
* Updates the appearance of this panel based on the current theme.
*/
public void updateTheme() {
Color tableColor = ThemeFileHandler.TABLE_BACKGROUND_COLOR.getValue();
scrollPane.getViewport().setBackground(tableColor);
}
/**
* Returns Level.OFF instead of null if logging is turned off
*/
private static final Level getLevel(LoggerNode logger) {
Level level = logger.getLevel();
if (level == null)
level = Level.OFF;
return level;
}
private final class ConsoleWriter extends Writer {
private StringBuilder buffer = new StringBuilder();
public void write(char[] cbuf, int off, int len) {
buffer.append(cbuf, off, len);
}
public void close() {
buffer = null;
}
public void flush() {
Console.this.appendText(buffer.toString());
buffer.setLength(0);
}
}
/**
* Logger ComboBox model
*/
private static class LoggerComboBoxModel extends DefaultComboBoxModel {
private static final String SPACER = " ";
private List<LoggerNode> nodes = Collections.emptyList();
private void updateIndex(int index) {
fireContentsChanged(this, index, index);
}
private void refreshLoggers(List<LoggerNode> nodes) {
this.nodes = nodes;
fireContentsChanged(this, 0, nodes.size());
}
public int getSize() {
return nodes.size();
}
private LoggerNode getLogger(int index) {
return nodes.get(index);
}
public Object getElementAt(int index) {
LoggerNode logger = getLogger(index);
Level level = getLevel(logger);
if (level.equals(Level.OFF)) {
if (logger.isLeaf()) {
return SPACER + logger.getName();
} else {
return logger.getName();
}
} else {
if (logger.isLeaf()) {
return SPACER + logger.getName() + " [" + level + "]";
} else {
return logger.getName();
}
}
}
}
/**
* Logging level ComboBox model
*/
private class LevelComboBoxModel extends DefaultComboBoxModel {
private final Level[] levels = new Level[] {
Level.OFF,
Level.ALL,
Level.DEBUG,
Level.ERROR,
Level.FATAL,
Level.INFO,
Level.WARN
};
public int getSize() {
return levels.length;
}
private Level getLevel(int index) {
return levels[index];
}
public Object getElementAt(int index) {
return getLevel(index).toString();
}
}
/**
* A interface to build a very simple Tree of
* Packages and Classes
*/
private interface LoggerNode {
boolean isLeaf();
Level getLevel();
void setLevel(Level level);
String getName();
}
private static class PackageNode implements LoggerNode {
private String pkg;
private List<ClassNode> classNodes = new ArrayList<ClassNode>();
private PackageNode(String pkg) {
this.pkg = pkg;
}
public void add(Logger logger) {
classNodes.add(new ClassNode(this, logger));
}
public Level getLevel() {
return Level.OFF;
}
public void setLevel(Level level) {
for(int i = classNodes.size()-1; i >= 0; i--) {
classNodes.get(i).setLevel(level);
}
}
public boolean isLeaf() {
return false;
}
public void sort() {
Collections.sort(classNodes, new Comparator<ClassNode>() {
public int compare(ClassNode o1, ClassNode o2) {
return o1.getName().compareTo(o2.getName());
}
});
}
public List<ClassNode> getNodes() {
return classNodes;
}
public int hashCode() {
return pkg.hashCode();
}
public boolean equals(Object o) {
if (!(o instanceof PackageNode)) {
return false;
}
return pkg.equals(((PackageNode)o).pkg);
}
public String getName() {
return pkg;
}
public String toString() {
return getName();
}
private static String getPackage(Logger logger) {
String name = logger.getName();
int i = name.lastIndexOf('.');
return (i != -1) ? name.substring(0, i) + ".*" : name + ".*";
}
}
private static class ClassNode implements LoggerNode {
private PackageNode parent;
private Logger logger;
private ClassNode(PackageNode parent, Logger logger) {
this.parent = parent;
this.logger = logger;
}
public PackageNode getParent() {
return parent;
}
public Logger getLogger() {
return logger;
}
public Level getLevel() {
return logger.getLevel();
}
public void setLevel(Level level) {
logger.setLevel(level);
}
public boolean isLeaf() {
return true;
}
public String getName() {
return logger.getName();
}
public int hashCode() {
return getName().hashCode();
}
public boolean equals(Object o) {
if (!(o instanceof ClassNode)) {
return false;
}
return getName().equals(((ClassNode)o).getName());
}
public String toString() {
return getName();
}
}
public static interface ConsoleListener {
public boolean handleCommand(String command, PrintWriter out) throws IOException;
}
}
The table below shows all metrics for Console.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 119.00 | Number of blocks | |
| BLOCK_COMMENT | 17.00 | Number of block comment lines | |
| COMMENTS | 122.00 | Comment lines | |
| COMMENT_DENSITY | 0.21 | Comment density | |
| COMPARISONS | 50.00 | Number of comparison operators | |
| CYCLOMATIC | 125.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 21.00 | Comments in declarations | |
| DOC_COMMENT | 78.00 | Number of javadoc comment lines | |
| ELOC | 573.00 | Effective lines of code | |
| EXEC_COMMENTS | 12.00 | Comments in executable code | |
| EXITS | 145.00 | Procedure exits | |
| FUNCTIONS | 72.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 86.00 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 129.00 | 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 | 1.00 | 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 | 1.00 | 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 | 6.00 | 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 | 1.00 | 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 | 2.00 | 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 | 1.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 6.00 | 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 | 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 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | 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 | 12.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | 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 | 0.00 | 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 | 1.00 | 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 | 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 | 3.00 | 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 | 1.00 | 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 | 1.00 | 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 | 6.00 | 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 | 958.00 | Number of lines in the source file | |
| LINE_COMMENT | 27.00 | Number of line comments | |
| LOC | 683.00 | Lines of code | |
| LOGICAL_LINES | 407.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 1623.00 | Number of operands | |
| OPERATORS | 2897.00 | Number of operators | |
| PARAMS | 47.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 4520.00 | Halstead program length | |
| PROGRAM_VOCAB | 574.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 82.00 | Number of return points from functions | |
| SIZE | 30828.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 519.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 55.00 | Number of unique operators | |
| WHITESPACE | 153.00 | Number of whitespace lines | |