Cfg.java
| Index Score | ||
|---|---|---|
 |
 |
org.furthurnet.furi |
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Furthurnet |
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 | |
|---|---|---|
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' |  |
| JAVA0007 | JAVA0007 Should not declare public field | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| LOGICAL_LINES | Number of statements | |
| OPERATORS | Number of operators | |
| SIZE | Size of the file in bytes | |
| PROGRAM_LENGTH | Halstead program length | |
| ELOC | Effective lines of code | |
| OPERANDS | Number of operands | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| LOC | Lines of code | |
| LINE_COMMENT | Number of line comments | |
| COMPARISONS | Number of comparison operators | |
| EXITS | Procedure exits | |
| CYCLOMATIC | Cyclomatic complexity | |
| BLOCKS | Number of blocks | |
| RETURNS | Number of return points from functions | |
| JAVA0242 | JAVA0242 Transient field in non-Serializable class | |
| LINES | Number of lines in the source file | |
| LOOPS | Number of loops | |
| JAVA0267 | JAVA0267 Use of System.err | |
| JAVA0029 | JAVA0029 Private method not used | |
| EXEC_COMMENTS | Comments in executable code | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0143 | JAVA0143 Synchronized method | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| JAVA0008 | JAVA0008 Empty catch block | |
| JAVA0081 | JAVA0081 Boolean literal in comparison | |
| JAVA0076 | JAVA0076 Use of magic number | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| FUNCTIONS | Number of function declarations | |
| JAVA0287 | JAVA0287 Unnecessary null check | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| COMMENTS | Comment lines | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* FURI - A distributed peer-to-peer file sharing system.
* Copyright (C) 2000-2002 William W. Wong, Furthur Network
* williamw@jps.net
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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.furthurnet.furi;
import java.awt.Font;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.net.ServerSocket;
import java.util.Properties;
import java.util.Random;
import java.util.StringTokenizer;
import java.util.Vector;
import org.furthurnet.datastructures.supporting.Constants;
import org.furthurnet.tray.TrayHandler;
public class Cfg
{
/* constants (these do not live in the config file) */
public static final int MIN_VALID_PORT = 1;
public static final int MAX_VALID_PORT = 9999;
public static final int MIN_RAND_PORT = 1024;
public static final int MAX_RAND_PORT = MAX_VALID_PORT;
public static final int mNetTTL = 4;
public static final int mNetMaxTTL = 7;
public static final int mSearchTTL = 6;
public static final int mNetMaxHostToCatch = 300;
public static final int mNetMaxSendQueue = 600;
public static final int mPingFrequency = 45000;
public static final int mPingTimeout = 20000;
public static final int mSearchMaxSearch = 10000;
public static final int mSearchMaxConcurrent = 20;
public static final int mNetMaxRate = 50000;
public static final int mNetConnectionTimeout = 15000;
public static final boolean mDownloadAutoRemoveCompleted = false;
public static final boolean mAutoSearchCandidate = true;
public static final boolean mAutoCleanup = true;
public static final boolean mApplyFilterdHosts = false;
public static final int mChatMax = 100;
public static final boolean mDisconnectApplyPolicy = true;
public static final int mDisconnectDropRatio = 50;
public static final int mDisconnectLatency = 60000;
public static final int mMaxDeprecatedTime = 60000;
public static final String mIrcUserName = "Furthr";
public static final String mIrcFilterString = "***";
public static final String mIrcTopicString = "*** Topic is";
public static final String mIrcNickIdentifier = "-";
public static final long mRegistrationTimeout = 15000;
public static final String mRegistrationServer = "nickserv2.furthurnet.org";
public static final boolean mUIDisplayTooltip = true;
public static final boolean mAutoJoin = true;
public static final String mUrlBase = "http://jamspace.furthurnet.org/furthurclient/";
public static final String mUrlBaseBackup = "http://jamspace.furthurnet.org:4200/furthurclient/";
public static final String mCfgDir = System.getProperty("user.home") + File.separator + ".furthur";
/* runtime config parameters (also do not live in the config file) */
public transient boolean mIsWindows;
/* this is a hack to rewrite mListeningPort at shutdown time */
public transient int changedListeningPort = -1;
/* config file variables with platform-specific defaults */
public String mPlayerLocation;
public String mFlacLocation;
public String mMetaflacLocation;
public String mDefaultSaveLocation;
public String mDefaultTempLocation;
/* config file variables with platform independent defaults */
// originally from Cfg.java
public GUID mProgramClientID = new GUID();
public String mMyIP = "";
public int mListeningPort = -1;
public int mMaxDownload = 4;
public int mNetMaxConnection = 7;
public int mNetMySpeed = 28;
public int mNetMinConn = 4;
public Vector mNetIgnoredHosts = new Vector();
public Vector mNetInvalidHosts = new Vector();
public Vector mFilteredSearchHosts = new Vector();
public Font mFontMenu;
public Font mFontLabel;
public Font mFontTable;
public String mIrcNickname = "";
public String mIrcKey = "";
public String mIrcChannels = "#furthur";
public boolean mIrcConsolePopup = true; // fixidn: dead code?
// these live in the "Additional Options" menu
// Used for systray/taskbar settings
public int mMinimizeMethod = TrayHandler.minimizeBoth;
public int mSpeedDisplayType = Constants.SPEED_DISPLAY_K_BYTES;
public boolean mAutoChooseVersions = false;
public boolean mSuppressDups = false;
public boolean mDisableCompression = false;
public int mMaxUpstream = -1;
// these used to live in PcpSettings
public boolean mFirstRun = true;
public int mUserSelectedSpeedIndex = 4;
public int mMaxUploadConnections = 1;
public boolean mDefaultSavingEnabled = true;
public boolean mAutoConnectIrc = true;
public String mLastNetworkType = Constants.DEFAULT_NETWORK;
public double mSpeedIndex = 0.0;
// these used to live in MainFrame
public int mMaxDownloads = 3;
public int mAutoRetryTime = 15;
public String mLastDir = System.getProperty("user.home");
// Proxy configuration
public static final String[] sProxyTypes = {"None", "HTTP", "Socks4/5", "Other"};
public int mProxyType = 0;
public int mProxyPort = 0;
public String mProxyHost = "";
public String mProxyUser = "";
public String mProxyPassword = "";
// GUI Preferences
public int frameWidth = -1;
public int frameHeight = -1;
public int frameLocationX = 0;
public int frameLocationY = 0;
public boolean frameMaximized = false;
// Chat Preferences
public String mChatFontType = "Lucida Sans";
public String mChatFontSize = "14";
public int mChatFontRGBColor = 0xffffff; // white
public int mChatTextPaneRGBColor = 0x000000; // black
public boolean mChatSetBold = false;
// public boolean mChatSetItalic = false;
// public boolean mChatSetUnderline = false;
public boolean mChatPing = false;
// max message history size
public int mMaxMessageHistorySize = 100;
/* private variables (used to load public ones) */
private File mCfgFile;
private Properties mSetting;
// add anything popular to these arrays
final String players[] = {
"C:\\Program Files\\Winamp\\winamp.exe",
"/usr/bin/xmms",
"/usr/local/bin/xmms"
};
final String flacs[] = {
"C:\\Program Files\\flac\\flac.exe",
"C:\\Windows\\flac\\flac.exe",
"C:\\WINNT\\flac\\flac.exe",
"D:\\Program Files\\flac\\flac.exe",
"D:\\Windows\\flac\\flac.exe",
"D:\\WINNT\\flac\\flac.exe",
"/usr/bin/flac",
"/usr/local/bin/flac"
};
final String metaflacs[] = {
"C:\\Program Files\\flac\\metaflac.exe",
"C:\\Windows\\flac\\metaflac.exe",
"C:\\WINNT\\flac\\metaflac.exe",
"D:\\Program Files\\flac\\metaflac.exe",
"D:\\Windows\\flac\\metaflac.exe",
"D:\\WINNT\\flac\\metaflac.exe",
"/usr/bin/metaflac",
"/usr/local/bin/metaflac"
};
// disable
private Cfg() {}
public Cfg(File cfgFile, boolean newCfg, boolean serverInstance) {
mSetting = new Properties();
mCfgFile = cfgFile;
if (serverInstance == false) {
mFontMenu = new Font("Dialog", Font.PLAIN, 12);
mFontLabel = new Font("Dialog", Font.PLAIN, 12);
mFontTable = new Font("Dialog", Font.PLAIN, 12);
}
else {
mFontMenu = mFontLabel = mFontTable = null;
}
load(newCfg, serverInstance);
}
private void loadRuntimeVariables() {
mIsWindows = System.getProperty("os.name").startsWith("Windows");
}
private void setPlatformSpecificDefaults() {
mPlayerLocation = findFile(players);
mFlacLocation = findFile(flacs);
mMetaflacLocation = findFile(metaflacs);
mDefaultSaveLocation = System.getProperty("user.home") + File.separator +
".furthur" + File.separator + "downloads";
mDefaultTempLocation = System.getProperty("user.home") + File.separator +
".furthur" + File.separator + "temp";
// Check for OS X and set preferred save location
if (System.getProperty("mrj.version") != null) {
mDefaultSaveLocation = System.getProperty("user.home") + File.separator + "Music" +
File.separator + "Furthur";
mDefaultTempLocation = System.getProperty("user.home") + File.separator + "Music"
+ File.separator + "Furthur" + File.separator + "temp";
}
}
private static String findFile(String[] paths) {
for (int i = 0; i < paths.length; i++) {
File f = new File(paths[i]);
if (f.isFile() && f.canRead()) {
return paths[i];
}
}
return "";
}
private void checkConstraints() {
if (mSpeedDisplayType != Constants.SPEED_DISPLAY_K_BITS)
mSpeedDisplayType = Constants.SPEED_DISPLAY_K_BYTES;
if (mUserSelectedSpeedIndex < 0 || mUserSelectedSpeedIndex > 5)
mUserSelectedSpeedIndex = 4;
if (mMaxUploadConnections < 0)
mMaxUploadConnections = 1;
if (mMinimizeMethod != TrayHandler.minimizeSystrayOnly &&
mMinimizeMethod != TrayHandler.minimizeTaskbarOnly)
mMinimizeMethod = TrayHandler.minimizeBoth;
if (mProxyPort < 0 || mProxyPort > 65535)
mProxyPort = 0;
if (mProxyType < 0 || mProxyType >= sProxyTypes.length)
mProxyType = 0;
}
private synchronized void load(boolean newCfg, boolean serverInstance) {
mSetting.clear();
loadRuntimeVariables();
setPlatformSpecificDefaults();
if (!newCfg) {
try {
FileInputStream is = new FileInputStream(mCfgFile);
mSetting.load(is);
is.close();
}
catch (IOException e) {
System.err.println(e);
System.exit(1);
}
}
deserializeSimpleFields();
deserializeComplexFields(serverInstance);
// generate a random listening port if we don't have a valid one
// (like when we first run for example)
if (mListeningPort < MIN_VALID_PORT ||
mListeningPort > MAX_VALID_PORT) {
mListeningPort = getAvailablePort();
}
// always override furthur.cfg for these fields
mIrcChannels = "#furthur";
mIrcConsolePopup = false;
// Furthur versions prior to 1.7.2 had a separate pcpsettings file
// (and did not have the mFirstRun member). If mFirstRun is true,
// this is the first time we have run as 1.7.2, so we attempt to
// load the old pcpsettings just this once.
if (mFirstRun) {
try {
loadOldPcpSettings();
}
catch(IOException e) {}
}
// if flac is not setup, try to find it
checkConstraints();
if ( mFlacLocation.equals("")){
mFlacLocation = findFile(flacs);
}
if (mMetaflacLocation.equals("")){
mMetaflacLocation = findFile(metaflacs);
}
}
public void generateRandomListeningPort() {
mListeningPort = getAvailablePort();
}
public synchronized void save() {
mSetting.clear();
serializeSimpleFields();
serializeComplexField();
try {
FileOutputStream os = new FileOutputStream(mCfgFile);
mSetting.store(os, "Furthur Config Values");
os.close();
}
catch (IOException e) {
System.err.println(e);
}
}
private String get(String key) {
String value = (String)mSetting.get(key);
if (value != null)
value = value.trim();
return value;
}
private String get(String key, String defaultVal) {
String value = get(key);
if (value == null)
return defaultVal;
return value;
}
private int getInt(String key, int defaultVal) {
try {
String value = get(key);
if (value == null)
return defaultVal;
else
return Integer.parseInt(value);
}
catch (Exception e) {
return defaultVal;
}
}
private boolean getBool(String key, boolean defaultVal) {
return get(key, defaultVal ? "true" : "false").equals("true");
}
private double getDouble(String key, double defaultVal) {
try {
String value = get(key);
if (value == null)
return defaultVal;
else
return Double.parseDouble(value);
}
catch (Exception e) {
return defaultVal;
}
}
private void set(String key, String value) {
mSetting.put(key, value);
}
private void set(String key, int value) {
mSetting.put(key, String.valueOf(value));
}
private void set(String key, boolean value) {
mSetting.put(key, String.valueOf(value));
}
private void set(String key, double value) {
mSetting.put(key, String.valueOf(value));
}
private void serializeSimpleFields() {
Field[] fields = this.getClass().getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
String name = fields[i].getName();
int modifiers = fields[i].getModifiers();
Class type = fields[i].getType();
if (!Modifier.isPublic(modifiers) ||
Modifier.isTransient(modifiers) ||
Modifier.isStatic(modifiers) ||
Modifier.isFinal(modifiers)) {
continue;
}
try {
if (type.getName().equals("int")) {
set(name, fields[i].getInt(this));
}
else if (type.getName().equals("boolean")) {
set(name, fields[i].getBoolean(this));
}
else if (type.getName().equals("double")) {
set(name, fields[i].getDouble(this));
}
else if (type.getName().equals("java.lang.String")) {
set(name, (String)fields[i].get(this));
}
}
catch (Exception e) {
System.err.println(name + " " + e);
}
}
}
private void serializeComplexField() {
try {
set("mProgramClientID", mProgramClientID.toHexString());
String ignoredHosts = "";
for (int i = 0; i < mNetIgnoredHosts.size(); i++) {
String[] parts = (String[])mNetIgnoredHosts.elementAt(i);
ignoredHosts += (parts[0] + "." + parts[1] + "." + parts[2] + "." + parts[3] + " ");
}
set("mNetIgnoredHosts", ignoredHosts);
String filteredSearchHosts = "";
for (int i = 0; i < mFilteredSearchHosts.size(); i++) {
String[] parts = (String[])mFilteredSearchHosts.elementAt(i);
filteredSearchHosts += (parts[0] + "." + parts[1] + "." + parts[2] + "." + parts[3] + " ");
}
set("mFilteredSearchHosts", filteredSearchHosts);
String invalidHosts = "";
for (int i = 0; i < mNetInvalidHosts.size(); i++) {
String[] parts = (String[])mNetInvalidHosts.elementAt(i);
invalidHosts += (parts[0] + "." + parts[1] + "." + parts[2] + "." + parts[3] + " ");
}
set("mNetInvalidHosts", invalidHosts);
set("mFontMenu", mFontMenu.getName() + ";" + mFontMenu.getStyle() + ";" + mFontMenu.getSize());
set("mFontLabel", mFontLabel.getName() + ";" + mFontLabel.getStyle() + ";" + mFontLabel.getSize());
set("mFontTable", mFontTable.getName() + ";" + mFontTable.getStyle() + ";" + mFontTable.getSize());
}
catch (Exception e) {
System.err.println(e);
}
}
private void deserializeSimpleFields() {
Field[] fields = this.getClass().getDeclaredFields();
for (int i = 0; i < fields.length; i++) {
String name = fields[i].getName();
int modifiers = fields[i].getModifiers();
Class type = fields[i].getType();
String value;
if (!Modifier.isPublic(modifiers) ||
Modifier.isTransient(modifiers) ||
Modifier.isStatic(modifiers) ||
Modifier.isFinal(modifiers)) {
continue;
}
try {
// Load value by field name.
value = get(name);
if (value == null) {
// Use default.
continue;
}
if (type.getName().equals("int")) {
fields[i].setInt(this, Integer.parseInt(value));
}
else if (type.getName().equals("boolean")) {
fields[i].setBoolean(this, value.equals("true"));
}
else if (type.getName().equals("double")) {
fields[i].setDouble(this, Double.parseDouble(value));
}
else if (type.getName().equals("java.lang.String")) {
fields[i].set(this, value);
}
}
catch (Exception e) {
System.err.println(name + " " + e);
}
}
}
private void deserializeComplexFields(boolean serverInstance) {
try {
try {
mProgramClientID.fromHexString(get("mProgramClientID"));
}
catch (Exception e) {
// ignore. take the default created value as new client ID.
}
String ignoredHosts = get("mNetIgnoredHosts", "");
{
StringTokenizer tokens = new StringTokenizer(ignoredHosts);
while (tokens.hasMoreTokens()) {
mNetIgnoredHosts.addElement(ip2parts(tokens.nextToken()));
}
}
String filteredSearchHosts = get("mFilteredSearchHosts", "");
if (filteredSearchHosts == null) {
mFilteredSearchHosts = getDefaultFilteredHosts();
}
else {
StringTokenizer tokens = new StringTokenizer(filteredSearchHosts);
while (tokens.hasMoreTokens()) {
mFilteredSearchHosts.addElement(ip2parts(tokens.nextToken()));
}
}
String invalidHosts = get("mNetInvalidHosts");
if (invalidHosts == null) {
mNetInvalidHosts = getDefaultInvalidHosts();
}
else {
StringTokenizer tokens = new StringTokenizer(invalidHosts);
while (tokens.hasMoreTokens()) {
mNetInvalidHosts.addElement(ip2parts(tokens.nextToken()));
}
}
if (!serverInstance) {
String font;
font = get("mFontMenu");
if (font != null) {
try {
StringTokenizer tokens =
new StringTokenizer(font, ";");
mFontMenu =
new Font(tokens.nextToken(),
Integer.parseInt(tokens.nextToken()),
Integer.parseInt(tokens.nextToken()));
}
catch (Exception e) {
// ignore
}
}
font = get("mFontLabel");
if (font != null) {
try {
StringTokenizer tokens =
new StringTokenizer(font, ";");
mFontLabel =
new Font(tokens.nextToken(),
Integer.parseInt(tokens.nextToken()),
Integer.parseInt(tokens.nextToken()));
}
catch (Exception e) {
// ignore
}
}
font = get("mFontTable");
if (font != null) {
try {
StringTokenizer tokens =
new StringTokenizer(font, ";");
mFontTable =
new Font(tokens.nextToken(),
Integer.parseInt(tokens.nextToken()),
Integer.parseInt(tokens.nextToken()));
}
catch (Exception e) {
// ignore
}
}
}
}
catch (Exception e) {
// System.err.println(e);
}
}
public static Vector getDefaultInvalidHosts() {
Vector hosts = new Vector();
hosts.addElement(ip2parts("0.0.0.0"));
hosts.addElement(ip2parts("255.*.*.*"));
hosts.addElement(ip2parts("10.*.*.*"));
hosts.addElement(ip2parts("172.16.*.*"));
hosts.addElement(ip2parts("172.17.*.*"));
hosts.addElement(ip2parts("172.18.*.*"));
hosts.addElement(ip2parts("172.19.*.*"));
hosts.addElement(ip2parts("172.20.*.*"));
hosts.addElement(ip2parts("172.21.*.*"));
hosts.addElement(ip2parts("172.22.*.*"));
hosts.addElement(ip2parts("172.23.*.*"));
hosts.addElement(ip2parts("172.24.*.*"));
hosts.addElement(ip2parts("172.25.*.*"));
hosts.addElement(ip2parts("172.26.*.*"));
hosts.addElement(ip2parts("172.27.*.*"));
hosts.addElement(ip2parts("172.28.*.*"));
hosts.addElement(ip2parts("172.29.*.*"));
hosts.addElement(ip2parts("172.30.*.*"));
hosts.addElement(ip2parts("172.31.*.*"));
hosts.addElement(ip2parts("192.168.*.*"));
hosts.addElement(ip2parts("169.254.*.*"));
hosts.addElement(ip2parts("127.0.0.*"));
return hosts;
}
public static Vector getDefaultFilteredHosts() {
Vector hosts = new Vector();
hosts.addElement(ip2parts("0.0.0.0"));
hosts.addElement(ip2parts("255.*.*.*"));
hosts.addElement(ip2parts("10.*.*.*"));
hosts.addElement(ip2parts("172.16.*.*"));
hosts.addElement(ip2parts("172.17.*.*"));
hosts.addElement(ip2parts("172.18.*.*"));
hosts.addElement(ip2parts("172.19.*.*"));
hosts.addElement(ip2parts("172.20.*.*"));
hosts.addElement(ip2parts("172.21.*.*"));
hosts.addElement(ip2parts("172.22.*.*"));
hosts.addElement(ip2parts("172.23.*.*"));
hosts.addElement(ip2parts("172.24.*.*"));
hosts.addElement(ip2parts("172.25.*.*"));
hosts.addElement(ip2parts("172.26.*.*"));
hosts.addElement(ip2parts("172.27.*.*"));
hosts.addElement(ip2parts("172.28.*.*"));
hosts.addElement(ip2parts("172.29.*.*"));
hosts.addElement(ip2parts("172.30.*.*"));
hosts.addElement(ip2parts("172.31.*.*"));
hosts.addElement(ip2parts("192.168.*.*"));
hosts.addElement(ip2parts("169.254.*.*"));
hosts.addElement(ip2parts("127.0.0.*"));
return hosts;
}
public static String[] ip2parts(String ip) {
int i = ip.indexOf(":");
if (i != -1) {
ip = ip.substring(0, i);
}
StringTokenizer tokens = new StringTokenizer(ip, ".");
String[] parts = new String[4];
parts[0] = tokens.nextToken();
parts[1] = tokens.nextToken();
parts[2] = tokens.nextToken();
parts[3] = tokens.nextToken();
return parts;
}
private int getAvailablePort() {
Random rand = new Random();
// generate a random port in the legal interval
int port = rand.nextInt(MAX_RAND_PORT - MIN_RAND_PORT + 1);
port += MIN_RAND_PORT;
int firstPort = port;
while (true) {
try {
ServerSocket server = new ServerSocket(port);
server.close();
return port;
}
catch (IOException e) {}
port++;
if (port > MAX_RAND_PORT)
port = MIN_RAND_PORT;
// don't do this forever
if (port == firstPort)
break;
}
return MIN_RAND_PORT;
}
private void loadOldPcpSettings() throws IOException {
BufferedReader in = null;
try {
// the upgrading installer should put it here
in = new BufferedReader(
new FileReader(
new File(mCfgDir + File.separator +
"pcpsettings.cfg")));
}
catch (FileNotFoundException e) {
// if not, try to use the old cwd-sensitive location
final String oldResourcesDir = new File("").getAbsolutePath() +
File.separator + "resources";
in = new BufferedReader(
new FileReader(
new File(oldResourcesDir + File.separator +
"pcpsettings.cfg")));
}
try {
in.readLine(); // startPortRange
in.readLine(); // endPortRange
mUserSelectedSpeedIndex = Integer.parseInt(in.readLine());
mMaxUploadConnections = Integer.parseInt(in.readLine());
in.readLine(); // partials
mSpeedIndex = Double.parseDouble(in.readLine());
mDefaultSavingEnabled = (Integer.parseInt(in.readLine()) == 1);
mDefaultSaveLocation = in.readLine();
mDefaultTempLocation = in.readLine();
mLastNetworkType = in.readLine();
mSpeedDisplayType = Integer.parseInt(in.readLine());
mMaxDownloads = Integer.parseInt(in.readLine());
mAutoRetryTime = Integer.parseInt(in.readLine());
in.readLine(); // column widths
in.readLine(); // column widths
in.readLine(); // column positions
in.readLine(); // column positions
mMaxUpstream = Integer.parseInt(in.readLine());
in.readLine(); // throttle delay
in.readLine(); // currentFolder
in.readLine(); // autoUpgrade
mAutoChooseVersions = (Integer.parseInt(in.readLine()) == 1);
mSuppressDups = (Integer.parseInt(in.readLine()) == 1);
in.readLine(); // settingsVersion
mAutoConnectIrc = (Integer.parseInt(in.readLine()) == 1);
in.close();
return;
}
catch (NullPointerException e) {}
catch (NumberFormatException e) {}
if (in != null)
in.close();
throw new IOException();
}
}
The table below shows all metrics for Cfg.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 100.00 | Number of blocks | |
| BLOCK_COMMENT | 25.00 | Number of block comment lines | |
| COMMENTS | 58.00 | Comment lines | |
| COMMENT_DENSITY | 0.11 | Comment density | |
| COMPARISONS | 76.00 | Number of comparison operators | |
| CYCLOMATIC | 102.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 19.00 | Comments in declarations | |
| DOC_COMMENT | 0.00 | Number of javadoc comment lines | |
| ELOC | 515.00 | Effective lines of code | |
| EXEC_COMMENTS | 16.00 | Comments in executable code | |
| EXITS | 79.00 | Procedure exits | |
| FUNCTIONS | 27.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 90.33 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 89.00 | 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 | 57.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 4.00 | 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 | 4.00 | 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 | 15.00 | 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 | 3.00 | 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 | 5.00 | 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 | 1.00 | 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 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 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 | 93.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 6.00 | 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 | 1.00 | 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 | 2.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 41.00 | 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 | 10.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 2.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 2.00 | 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 | 5.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 3.00 | 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 | 1.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 769.00 | Number of lines in the source file | |
| LINE_COMMENT | 33.00 | Number of line comments | |
| LOC | 613.00 | Lines of code | |
| LOGICAL_LINES | 359.00 | Number of statements | |
| LOOPS | 10.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1472.00 | Number of operands | |
| OPERATORS | 2759.00 | Number of operators | |
| PARAMS | 25.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 4231.00 | Halstead program length | |
| PROGRAM_VOCAB | 494.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 64.00 | Number of return points from functions | |
| SIZE | 29781.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 440.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 54.00 | Number of unique operators | |
| WHITESPACE | 98.00 | Number of whitespace lines | |