OpenNapServer.java
| Index Score | ||
|---|---|---|
 |
 |
org.xnap.plugin.opennap.net |
 |
 |
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 | |
|---|---|---|
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' |  |
| FUNCTIONS | Number of function declarations | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| DECL_COMMENTS | Comments in declarations | |
| RETURNS | Number of return points from functions | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| CYCLOMATIC | Cyclomatic complexity | |
| BLOCKS | Number of blocks | |
| LOC | Lines of code | |
| EXITS | Procedure exits | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0143 | JAVA0143 Synchronized method | |
| LINES | Number of lines in the source file | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| ELOC | Effective lines of code | |
| JAVA0278 | JAVA0278 Unnecessary use of Boolean constructor | |
| LOGICAL_LINES | Number of statements | |
| OPERANDS | Number of operands | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| SIZE | Size of the file in bytes | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| COMPARISONS | Number of comparison operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| EXEC_COMMENTS | Comments in executable code | |
| LOOPS | Number of loops | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
/*
* 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.plugin.opennap.net;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.LinkedList;
import javax.swing.Action;
import org.xnap.XNap;
import org.xnap.chat.AbstractChatProvider;
import org.xnap.chat.ChannelInfo;
import org.xnap.chat.ChatManager;
import org.xnap.event.StateListener;
import org.xnap.event.StateSupport;
import org.xnap.gui.action.AbstractListChannelsAction;
import org.xnap.gui.action.JoinChannelAction;
import org.xnap.plugin.opennap.OpenNapPlugin;
import org.xnap.plugin.opennap.net.msg.MessageHandler;
import org.xnap.plugin.opennap.net.msg.client.ListChannelsMessage;
import org.xnap.plugin.opennap.user.OpenNapUser;
import org.xnap.plugin.opennap.util.OpenNapServerVersion;
import org.xnap.util.FiniteStateMachine;
import org.xnap.util.Preferences;
import org.xnap.util.Range;
import org.xnap.util.State;
import org.xnap.util.StringHelper;
import org.xnap.util.prefs.StringValidator;
public class OpenNapServer extends AbstractChatProvider {
//--- Constant(s) ---
public static final int DEFAULT_PORT = 8888;
public static final int DEFAULT_META_PORT = 8875;
/**
* Timeout before connect retry if login failed.
*/
public static final int LOGIN_INTERVAL = 180 * 1000;
/**
* Timeout before connect retry if connection failed.
*/
public static final int FAILED_INTERVAL = 60 * 1000;
private static final Hashtable TRANSITION_TABLE;
static {
State[][] table = new State[][] {
{ State.DISCONNECTED,
State.CONNECTING, },
{ State.CONNECTING,
State.CONNECTED, State.ERROR, State.FAILED },
{ State.CONNECTED,
State.DISCONNECTING, State.FAILED },
{ State.DISCONNECTING,
State.DISCONNECTED },
{ State.ERROR,
State.DISCONNECTED },
{ State.FAILED,
State.DISCONNECTED },
};
TRANSITION_TABLE = FiniteStateMachine.createStateTable(table);
}
//--- Data field(s) ---
private static Preferences prefs = Preferences.getInstance();
private OpenNapServerData data;
private OpenNapServerRunner runner;
private int fileCount = -1;
private int fileSize = -1;
private int userCount = -1;
private boolean newUser;
private String remoteIP = null;
/**
* Server was fetched from index service.
*/
private boolean temporary = false;
private String redirectedHost;
private int redirectedPort;
/**
* The time of the next auto connect attempt.
*/
private long nextAutoConnectTime = 0;
/**
* The listener for incoming download and direct browse request.
*/
private OpenNapListener listener = null;
/**
* Maps nicks to {@link OpenNapUser} objects.
*/
private Hashtable userByNick = new Hashtable();
/**
* Maps channel names to {@link OpenNapChannel} objects.
*/
private Hashtable channelByName = new Hashtable();
/**
* The version of the software running on the remote server. Used
* by {@link MessageSender}.
*/
private OpenNapServerVersion version = OpenNapServerVersion.UNKNOWN;
/**
* A list of {@link Range} objects.
*
* The range of the files from the {@link Library} that have been
* shared on this server.
*/
private LinkedList shared = new LinkedList();
private StateMachine sm = new StateMachine();
private StateSupport ss = new StateSupport(this);
private PropertyChangeSupport pcs = new PropertyChangeSupport(this);
private OpenNapNetwork network;
//--- Constructor(s) ---
public OpenNapServer(String host, String ip, int port, String network,
int fileCount, int fileSize, int userCount,
boolean autoConnect)
{
this.data = new OpenNapServerData();
setHost(host);
setIP(ip);
setNetworkName(network);
setPort(port);
setStats(userCount, fileCount, fileSize);
if (autoConnect) {
this.connect();
}
}
public OpenNapServer(String host, int port, String network)
{
this(host, null, port, network, -1, -1, -1, false);
}
public OpenNapServer(String host, int port, String network,
boolean autoConnect)
{
this(host, null, port, network, -1, -1, -1, autoConnect);
}
public OpenNapServer(String host, int port)
{
this(host, port, "");
}
public OpenNapServer(String host, int port, boolean autoConnect)
{
this(host, port, "", autoConnect);
}
public OpenNapServer()
{
this("", DEFAULT_PORT);
}
public OpenNapServer(OpenNapServerData data)
{
this.data = data;
}
//--- Method(s) ---
public void addPropertyChangeListener(PropertyChangeListener l)
{
pcs.addPropertyChangeListener(l);
}
public void removePropertyChangeListener(PropertyChangeListener l)
{
pcs.removePropertyChangeListener(l);
}
public void addStateListener(StateListener listener)
{
ss.addStateListener(listener);
}
public void removeStateListener(StateListener listener)
{
ss.removeStateListener(listener);
}
public boolean canAutoRemove()
{
return isTemporary() && sm.getState() == State.ERROR;
}
/**
* Connects to the server.
*/
public void connect()
{
setState(State.CONNECTING);
}
/**
* Disconnects from the server.
*/
public void disconnect()
{
setState(State.DISCONNECTING);
}
/**
* Adds the channel to the {@link ChatManager} and joins the channel.
*/
public void join(String name)
{
OpenNapChannel c = getChannel(name, true);
c.join();
}
/**
* Returns true if <code>obj</code> has the same hostname and port.
*/
public boolean equals(Object obj)
{
if (obj instanceof OpenNapServer) {
OpenNapServer s = (OpenNapServer)obj;
return (getHost().equalsIgnoreCase(s.getHost())
&& getPort() == s.getPort());
}
return false;
}
public synchronized OpenNapChannel getChannel(String name, boolean add)
{
OpenNapChannel c = (OpenNapChannel)channelByName.get(name);
if (c == null) {
c = new OpenNapChannel(this, name);
channelByName.put(name, c);
}
if (add && !ChatManager.getInstance().contains(c)) {
ChatManager.getInstance().add(c);
}
return c;
}
public synchronized OpenNapChannel getChannel(String name)
{
return getChannel(name, false);
}
public Action[] getActions()
{
return new Action[] {
new JoinChannelAction(this), new ListChannelsAction(),
};
}
public String getAutoJoinChannels()
{
return data.autoJoinChannels;
}
public boolean getAutoConnect()
{
return data.autoConnect;
}
public ChannelInfo[] getChannels()
{
return (OpenNapChannel[])channelByName.values().toArray
(new OpenNapChannel[0]);
}
public String getEmail()
{
return (data.email != null) ? data.email : prefs.getEmail();
}
public int getFileCount()
{
return fileCount;
}
public int getFileSize()
{
return fileSize;
}
public String getHost()
{
return data.host;
}
public String getIP()
{
return remoteIP;
}
/**
* Returns the absolute time of the last successful connect.
*/
public long getLastConnect()
{
return data.lastConnect;
}
/**
* Returns the associated listener for incoming requests. Needed
* for reverse downloads.
*/
public OpenNapListener getListener()
{
return listener;
}
public OpenNapUser getLocalPeer()
{
return getUser(getNick());
}
/**
* Returns port of listener or 0 if there is no listener running, which
* means XNap is behind a firewall.
*/
public int getLocalPort()
{
return (listener != null) ? listener.getPort() : 0;
}
/**
*
*/
public String getName()
{
String network = getNetwork().getName();
if (network.length() > 0) {
return network;
}
else {
return getHost();
}
}
/**
* Returns the name of the network this server is part of.
*/
public String getNetworkName()
{
return data.networkName;
}
/**
* Returns the network this server is part of.
*/
public OpenNapNetwork getNetwork()
{
return network;
}
/**
* Returns the absolute time of the next reconnect
*
* @return -1, if the server last connect failed unrecoverably; *
* absolute time of next wished connect attempt in milli seconds,
* otherwise
*/
public long getNextAutoConnectTime()
{
return nextAutoConnectTime;
}
public String getNick()
{
return (data.nick != null) ? data.nick : prefs.getUsername();
}
/**
* Returns the password used for the login.
*/
public String getPassword()
{
return (data.password != null) ? data.password : prefs.getPassword();
}
/**
* Returns the remote port.
*/
public int getPort()
{
return data.port;
}
public String getRedirectedHost()
{
return redirectedHost;
}
public int getRedirectedPort()
{
return redirectedPort;
}
public OpenNapServerRunner getRunner()
{
return runner;
}
/**
* Returns the index range of shared files.
*/
public Range[] getShared()
{
synchronized (shared) {
return (Range[])shared.toArray(new Range[0]);
}
}
public void setShared(Range range)
{
synchronized (shared) {
shared.add(range);
}
}
public String getStatus()
{
return sm.getDescription();
}
public OpenNapUser getUser(String nick)
{
synchronized (userByNick) {
OpenNapUser u = (OpenNapUser)userByNick.get(nick);
if (u == null) {
u = new OpenNapUser(nick, this);
userByNick.put(nick, u);
u.getParent().add(this);
}
return u;
}
}
public int getUserCount()
{
return userCount;
}
public OpenNapServerVersion getVersion()
{
return version;
}
public boolean isConnected()
{
return (sm.getState() == State.CONNECTED);
}
public boolean isDisconnected()
{
return (sm.getState() == State.DISCONNECTED);
}
public boolean isLoginCustomized()
{
return (data.nick != null) || (data.password != null)
|| (data.email != null);
}
public boolean isNewUser()
{
return newUser;
}
public boolean isRedirector()
{
return data.redirector;
}
public boolean isTemporary()
{
return temporary;
}
public synchronized void removeChannel(OpenNapChannel c)
{
channelByName.remove(c.getName());
ChatManager.getInstance().remove(c);
}
public void setAutoConnect(boolean newvalue)
{
// boolean oldValue = getAutoConnect();
data.autoConnect = newvalue;
// pcs.firePropertyChange("autoConnect", oldValue,
// autoConnect);
}
public void setAutoJoinChannels(String autoJoinChannels)
{
String oldValue = getAutoJoinChannels();
data.autoJoinChannels = autoJoinChannels;
pcs.firePropertyChange("autoJoinChannels", oldValue,
autoJoinChannels);
}
/**
* @exception IllegalArgumentException if newValue is invalid.
*/
public void setEmail(String email)
{
if (email != null) {
StringValidator.EMAIL.validate(email);
}
String oldValue = getEmail();
data.email = email;
pcs.firePropertyChange("email", oldValue, email);
}
public void setHost(String host)
{
String oldValue = getHost();
data.host = host;
pcs.firePropertyChange("host", oldValue, host);
}
/**
* OpenNapigator sends an ip which is sometimes more reliable than
* the hostname.
*/
public void setIP(String newValue)
{
remoteIP = newValue;
}
public void setLastConnect(long lastConnect)
{
this.data.lastConnect = lastConnect;
}
public void setListener(OpenNapListener newValue)
{
listener = newValue;
}
public void setNetwork(OpenNapNetwork network)
{
OpenNapNetwork oldValue = getNetwork();
synchronized (sm) {
if (oldValue != null) {
oldValue.remove(this);
if (sm.getState() == State.CONNECTING) {
oldValue.setConnecting(this, false);
network.setConnecting(this, true);
}
else if (sm.getState() == State.CONNECTED) {
oldValue.setConnected(this, false);
network.setConnected(this, true);
}
}
this.network = network;
setNetworkName(network.getName());
network.setStats(this, userCount, fileCount, fileSize);
}
pcs.firePropertyChange("network", oldValue, this.network);
}
public void setNetworkName(String networkName)
{
data.networkName = networkName;
}
/**
* Set <code>newUser</code> to true to create a new account on the
* next logon.
*/
public void setNewUser(boolean newUser)
{
this.newUser = newUser;
}
/**
* @exception IllegalArgumentException if <code>nick</code> is invalid.
*/
public void setNick(String nick)
{
if (nick != null) {
StringValidator.REGULAR_STRING.validate(nick);
}
String oldValue = getNick();
data.nick = nick;
pcs.firePropertyChange("nick", oldValue, nick);
}
/**
* @exception IllegalArgumentException if <code>password</code> is invalid.
*/
public void setPassword(String password)
{
if (password != null) {
StringValidator.REGULAR_STRING.validate(password);
}
String oldValue = getPassword();
data.password = password;
pcs.firePropertyChange("password", oldValue, password);
}
public void setPort(int port)
{
int oldValue = getPort();
data.port = port;
pcs.firePropertyChange("port", new Integer(oldValue),
new Integer(port));
}
public void setRedirectedHost(String redirectedHost)
{
String oldValue = getRedirectedHost();
this.redirectedHost = redirectedHost;
pcs.firePropertyChange("redirectedHost", oldValue, redirectedHost);
}
public void setRedirectedPort(int redirectedPort)
{
int oldValue = getRedirectedPort();
this.redirectedPort = redirectedPort;
pcs.firePropertyChange("redirectedPort", new Integer(oldValue),
new Integer(redirectedPort));
}
public void setRedirector(boolean redirector)
{
boolean oldValue = isRedirector();
data.redirector = redirector;
pcs.firePropertyChange("redirector", new Boolean(oldValue),
new Boolean(redirector));
}
public void setStats(int userCount, int fileCount, int fileSize)
{
this.userCount = userCount;
this.fileCount = fileCount;
this.fileSize = fileSize;
pcs.firePropertyChange("stats", null, null);
if (network != null) {
network.setStats(this, userCount, fileCount, fileSize);
}
}
public void setTemporary(boolean temporary)
{
boolean oldValue = isTemporary();
this.temporary = temporary;
pcs.firePropertyChange("temporary", new Boolean(oldValue),
new Boolean(temporary));
}
public void setVersion(String newValue)
{
version = new OpenNapServerVersion(newValue);
}
public String toString()
{
StringBuffer sb = new StringBuffer();
sb.append(getHost());
sb.append(":");
sb.append(getPort());
String network = getNetwork().getName();
if (network.length() > 0) {
sb.append(" (");
sb.append(network);
sb.append(")");
}
return sb.toString();
}
void setState(State newState, String description)
{
sm.setState(newState, description);
ss.fireStateChanged();
}
void setState(State newState)
{
sm.setState(newState);
ss.fireStateChanged();
}
void setStateDescription(String description)
{
sm.setDescription(description);
pcs.firePropertyChange("status", null, null);
}
//--- Inner Class(es) ---
private class StateMachine extends FiniteStateMachine
{
//--- Constructor(s) ---
public StateMachine()
{
super(State.DISCONNECTED, TRANSITION_TABLE);
}
//--- Method(s) ---
protected synchronized void stateChanged(State oldState,
State newState)
{
if (newState == State.CONNECTING) {
getNetwork().setConnecting(OpenNapServer.this, true);
runner = new OpenNapServerRunner(OpenNapServer.this);
runner.start();
}
else if (newState == State.CONNECTED) {
data.lastConnect = System.currentTimeMillis();
synchronized (shared) {
shared.clear();
}
getNetwork().setConnected(OpenNapServer.this, true);
OpenNapPlugin.getServerManager().setConnected
(OpenNapServer.this, true);
ChatManager.getInstance().add(OpenNapServer.this);
String autoJoin = OpenNapServer.this.getAutoJoinChannels();
if (autoJoin != null && autoJoin.length() > 0) {
// auto join channels
String[] channels = StringHelper.toArray(autoJoin, ";");
for (int i = 0; i < channels.length; i++) {
OpenNapServer.this.join(channels[i]);
}
}
}
else if (newState == State.DISCONNECTING) {
runner.disconnect();
nextAutoConnectTime = System.currentTimeMillis();
}
else if (newState == State.ERROR) {
nextAutoConnectTime = -1;
}
else if (newState == State.FAILED) {
nextAutoConnectTime
= System.currentTimeMillis() + FAILED_INTERVAL;
}
else if (newState == State.DISCONNECTED) {
synchronized (OpenNapServer.this) {
// close all open chat channelByName
for (Iterator i = channelByName.values().iterator();
i.hasNext();) {
((OpenNapChannel)i.next()).setJoined
(false, XNap.tr("server disconnected"));
}
}
}
if (oldState == State.CONNECTING) {
getNetwork().setConnecting(OpenNapServer.this, false);
}
else if (oldState == State.CONNECTED) {
getNetwork().setConnected(OpenNapServer.this, false);
ChatManager.getInstance().remove(OpenNapServer.this);
OpenNapPlugin.getServerManager().setConnected
(OpenNapServer.this, false);
}
}
}
/**
* Queries the list of channels from the server.
*/
private class ListChannelsAction extends AbstractListChannelsAction {
public void actionPerformed(ActionEvent event)
{
MessageHandler.send(OpenNapServer.this, new ListChannelsMessage());
}
}
}
The table below shows all metrics for OpenNapServer.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 113.00 | Number of blocks | |
| BLOCK_COMMENT | 18.00 | Number of block comment lines | |
| COMMENTS | 129.00 | Comment lines | |
| COMMENT_DENSITY | 0.35 | Comment density | |
| COMPARISONS | 42.00 | Number of comparison operators | |
| CYCLOMATIC | 114.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 37.00 | Comments in declarations | |
| DOC_COMMENT | 99.00 | Number of javadoc comment lines | |
| ELOC | 369.00 | Effective lines of code | |
| EXEC_COMMENTS | 5.00 | Comments in executable code | |
| EXITS | 79.00 | Procedure exits | |
| FUNCTIONS | 80.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 68.06 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 143.00 | 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 | 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 | 1.00 | 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 | 2.00 | 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 | 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 | 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 | 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 | 5.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 10.00 | 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 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 2.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 53.00 | 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 | 1.00 | 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 | 1.00 | 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 | 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 | 4.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 835.00 | 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 | 2.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 4.00 | 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 | 822.00 | Number of lines in the source file | |
| LINE_COMMENT | 12.00 | Number of line comments | |
| LOC | 566.00 | Lines of code | |
| LOGICAL_LINES | 225.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1018.00 | Number of operands | |
| OPERATORS | 2070.00 | Number of operators | |
| PARAMS | 61.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3088.00 | Halstead program length | |
| PROGRAM_VOCAB | 407.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 82.00 | Number of return points from functions | |
| SIZE | 19077.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 359.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 48.00 | Number of unique operators | |
| WHITESPACE | 127.00 | Number of whitespace lines | |