ChannelList.java
| Index Score | ||
|---|---|---|
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tvbrowserdataservice.file |
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TV-Browser |
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' |  |
| EXITS | Procedure exits | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| JAVA0077 | JAVA0077 Private field not used in declaring class | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0008 | JAVA0008 Empty catch block | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| OPERANDS | Number of operands | |
| BLOCKS | Number of blocks | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| OPERATORS | Number of operators | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| UNIQUE_OPERATORS | Number of unique operators | |
| RETURNS | Number of return points from functions | |
| COMMENTS | Comment lines | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| ELOC | Effective lines of code | |
| CYCLOMATIC | Cyclomatic complexity | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* TV-Browser
* Copyright (C) 04-2003 Martin Oberhauser (darras@users.sourceforge.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.
*
* CVS information:
* $RCSfile$
* $Source$
* $Date: 2008-05-31 20:23:23 -0400 (Sat, 31 May 2008) $
* $Author: ds10 $
* $Revision: 4781 $
*/
package tvbrowserdataservice.file;
import java.awt.Image;
import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Properties;
import java.util.TimeZone;
import java.util.logging.Level;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import tvbrowserdataservice.TvBrowserDataService;
import tvdataservice.TvDataService;
import util.io.FileFormatException;
import util.ui.ImageUtilities;
import util.misc.SoftReferenceCache;
import devplugin.Channel;
import devplugin.ChannelGroup;
import devplugin.ChannelGroupImpl;
import org.apache.commons.lang.StringEscapeUtils;
import au.com.bytecode.opencsv.CSVReader;
/**
*
*
* @author Til Schneider, www.murfman.de
*/
public class ChannelList {
public static final String FILE_NAME = "channellist.gz";
private static java.util.logging.Logger mLog = java.util.logging.Logger.getLogger(ChannelList.class.getName());
private ArrayList<ChannelItem> mChannelList;
private ChannelGroup mGroup;
/**
* Icon Cache
*/
private static SoftReferenceCache<String, File> ICON_CACHE = new SoftReferenceCache<String, File>();
private static ArrayList<String> BLOCKED_SERVERS = new ArrayList<String>(0);
public ChannelList(final String groupName) {
mChannelList = new ArrayList<ChannelItem>();
mGroup = new ChannelGroupImpl(groupName, groupName, "");
BLOCKED_SERVERS = new ArrayList<String>(0);
}
public ChannelList(ChannelGroup group) {
mChannelList = new ArrayList<ChannelItem>();
mGroup = group;
BLOCKED_SERVERS = new ArrayList<String>(0);
}
public void addChannel(Channel channel) {
mChannelList.add(new ChannelItem(channel, null));
}
public void addChannel(Channel channel, String iconUrl) {
mChannelList.add(new ChannelItem(channel, iconUrl));
}
public int getChannelCount() {
return mChannelList.size();
}
public Channel getChannelAt(int index) {
ChannelItem item = mChannelList.get(index);
return item.getChannel();
}
public Channel[] createChannelArray() {
Channel[] channelArr = new Channel[mChannelList.size()];
for (int i = 0; i < channelArr.length; i++) {
channelArr[i] = (mChannelList.get(i)).getChannel();
}
return channelArr;
}
public void readFromStream(InputStream stream, TvDataService dataService) throws IOException, FileFormatException {
readFromStream(stream, dataService, true);
}
public void readFromStream(InputStream stream, TvDataService dataService, boolean compressed) throws IOException, FileFormatException {
CSVReader reader;
if (compressed) {
GZIPInputStream gIn = new GZIPInputStream(stream);
reader = new CSVReader(new InputStreamReader(gIn, "ISO-8859-15"), ';');
} else {
reader = new CSVReader(new InputStreamReader(stream, "ISO-8859-15"), ';');
}
int lineCount = 1;
/**
* ChannelList.readFromStream is called by both MirrorUpdater and
* TvBrowserDataService. The MirrorUpdater calls this method without
* DataService and doesn't need the IconLoader
*/
IconLoader iconLoader = null;
if (dataService != null && dataService instanceof TvBrowserDataService) {
File dataDir = ((TvBrowserDataService) dataService).getWorkingDirectory();
iconLoader = new IconLoader(mGroup.getId(), dataDir);
}
String[] tokens;
while ((tokens = reader.readNext()) != null) {
if (tokens.length < 4) {
throw new FileFormatException("Syntax error in mirror file line " + lineCount + ": column count is '" + tokens.length + " < 4' : " + tokens[0]);
}
String country = null, timezone = null, id = null, name = null, copyright = null, webpage = null, iconUrl = null, categoryStr = null, unescapedname = null;
try {
country = tokens[0];
timezone = tokens[1];
id = tokens[2];
name = tokens[3];
copyright = tokens[4];
webpage = tokens[5];
iconUrl = tokens[6];
categoryStr = tokens[7];
if (tokens.length > 8) {
unescapedname = name;
name = StringEscapeUtils.unescapeHtml(tokens[8]);
}
} catch (ArrayIndexOutOfBoundsException e) {
// ignore
}
int categories = Channel.CATEGORY_NONE;
if (categoryStr != null) {
try {
categories = Integer.parseInt(categoryStr);
} catch (NumberFormatException e) {
categories = Channel.CATEGORY_NONE;
}
}
Channel channel = new Channel(dataService, name, id, TimeZone.getTimeZone(timezone), country, copyright,
webpage, mGroup, null, categories, unescapedname);
if (iconLoader != null && iconUrl != null && iconUrl.length() > 0) {
Icon icon = iconLoader.getIcon(id, iconUrl);
if (icon != null) {
channel.setDefaultIcon(icon);
}
}
addChannel(channel, iconUrl);
lineCount++;
}
reader.close();
if (iconLoader != null) {
iconLoader.close();
}
}
public void readFromFile(File file, TvDataService dataService) throws IOException, FileFormatException {
BufferedInputStream stream = null;
try {
stream = new BufferedInputStream(new FileInputStream(file), 0x2000);
readFromStream(stream, dataService);
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException exc) {
}
}
}
}
public void writeToStream(OutputStream stream) throws IOException, FileFormatException {
GZIPOutputStream gOut = new GZIPOutputStream(stream);
OutputStreamWriter writer = new OutputStreamWriter(gOut, "ISO-8859-15");
for (int i = 0; i < getChannelCount(); i++) {
ChannelItem channelItem = mChannelList.get(i);
Channel channel = channelItem.getChannel();
StringBuffer line = new StringBuffer();
line.append(channel.getCountry()).append(";").append(channel.getTimeZone().getID());
line.append(";").append(channel.getId());
line.append(";").append(channel.getUnescapedName());
line.append(";").append(channel.getCopyrightNotice());
line.append(";").append(channel.getWebpage() == null ? "http://tvbrowser.org" : channel.getWebpage());
line.append(";").append(channelItem.getIconUrl() == null ? "" : channelItem.getIconUrl());
line.append(";").append(channel.getCategories());
line.append(";\"").append(StringEscapeUtils.escapeHtml(channel.getName())).append("\"");
writer.write(line.toString());
writer.write("\n");
}
writer.close();
gOut.close();
}
public void writeToFile(File file) throws IOException, FileFormatException {
// NOTE: We need two try blocks to ensure that the file is closed in the
// outer block.
try {
FileOutputStream stream = null;
try {
stream = new FileOutputStream(file);
writeToStream(stream);
} finally {
// Close the file in every case
if (stream != null) {
try {
stream.close();
} catch (IOException exc) {
}
}
}
} catch (IOException exc) {
file.delete();
throw exc;
} catch (FileFormatException exc) {
file.delete();
throw new FileFormatException("Writing file failed " + file.getAbsolutePath(), exc);
}
}
private static class IconLoader {
private File mIconDir;
private File mIconIndexFile;
private String mGroup;
private Properties mProperties;
public IconLoader(String group, File dir) throws IOException {
mGroup = group;
mIconDir = new File(dir + "/icons_" + mGroup);
if (!mIconDir.exists()) {
mIconDir.mkdirs();
}
mIconIndexFile = new File(mIconDir, "index.txt");
mProperties = new Properties();
if (mIconIndexFile.exists()) {
mProperties.load(new BufferedInputStream(new FileInputStream(mIconIndexFile), 0x1000));
} else {
mLog.severe("index.txt not found");
// System.exit(-1);
}
}
public Icon getIcon(String channelId, String url) throws IOException {
String key = new StringBuffer("icons_").append(mGroup).append("_").append(channelId).toString();
String prevUrl = (String) mProperties.get(key);
Icon icon = null;
File iconFile = new File(mIconDir, channelId);
if (url.equals(prevUrl)) {
// the url hasn't changed; we should have the icon locally
icon = getIconFromFile(iconFile);
return icon;
}
if (ICON_CACHE.containsKey(url)) {
try {
File iconCacheFile = ICON_CACHE.get(url);
if (iconCacheFile != null && !iconCacheFile.equals(iconFile)) {
copyFile(ICON_CACHE.get(url), iconFile);
icon = getIconFromFile(iconFile);
}
} catch (Exception e) {
mLog.log(Level.SEVERE, "Problem while copying File from Cache", e);
}
}
if (icon == null && TvBrowserDataService.getInstance().hasRightToDownloadIcons()
&& !BLOCKED_SERVERS.contains(url)) {
// download the icon
try {
util.io.IOUtilities.download(new URL(url), iconFile);
icon = getIconFromFile(iconFile);
ICON_CACHE.put(url, iconFile);
} catch (IOException e) {
BLOCKED_SERVERS.add(url);
mLog.warning("channel " + channelId + ": could not download icon from " + url);
} catch (Exception e) {
mLog.severe("Could not extract icon file");
}
}
if (icon != null) {
mProperties.setProperty(key, url);
}
return icon;
}
/**
* Fast Copy of a File
* @param source Source File
* @param dest Destination File
*/
private void copyFile(File source, File dest) {
try {
// Create channel on the source
FileChannel srcChannel = new FileInputStream(source).getChannel();
// Create channel on the destination
FileChannel dstChannel = new FileOutputStream(dest).getChannel();
// Copy file contents from source to destination
dstChannel.transferFrom(srcChannel, 0, srcChannel.size());
// Close the channels
srcChannel.close();
dstChannel.close();
} catch (IOException e) {
}
}
private Icon getIconFromFile(File file) {
Image img = ImageUtilities.createImageAsynchronous(file.getAbsolutePath());
if (img != null) {
return new ImageIcon(img);
}
return null;
}
private void close() throws IOException {
mProperties.store(new FileOutputStream(mIconIndexFile), null);
}
}
private static class ChannelItem {
private Channel mChannel;
private String mIconUrl;
public ChannelItem(Channel ch, String iconUrl) {
mChannel = ch;
mIconUrl = iconUrl;
}
public Channel getChannel() {
return mChannel;
}
public String getIconUrl() {
return mIconUrl;
}
}
}
The table below shows all metrics for ChannelList.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 65.00 | Number of blocks | |
| BLOCK_COMMENT | 25.00 | Number of block comment lines | |
| COMMENTS | 54.00 | Comment lines | |
| COMMENT_DENSITY | 0.24 | Comment density | |
| COMPARISONS | 30.00 | Number of comparison operators | |
| CYCLOMATIC | 59.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 4.00 | Comments in declarations | |
| DOC_COMMENT | 18.00 | Number of javadoc comment lines | |
| ELOC | 227.00 | Effective lines of code | |
| EXEC_COMMENTS | 11.00 | Comments in executable code | |
| EXITS | 70.00 | Procedure exits | |
| FUNCTIONS | 20.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 61.58 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 61.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 1.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 3.00 | 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 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 2.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 2.00 | 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 | 1.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 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 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 1.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 17.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 2.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 2.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 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 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 3.00 | 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 | 2.00 | 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 | 2.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 2.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 393.00 | Number of lines in the source file | |
| LINE_COMMENT | 11.00 | Number of line comments | |
| LOC | 281.00 | Lines of code | |
| LOGICAL_LINES | 161.00 | Number of statements | |
| LOOPS | 3.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 753.00 | Number of operands | |
| OPERATORS | 1337.00 | Number of operators | |
| PARAMS | 24.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2090.00 | Halstead program length | |
| PROGRAM_VOCAB | 313.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 37.00 | Number of return points from functions | |
| SIZE | 12349.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 269.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 44.00 | Number of unique operators | |
| WHITESPACE | 58.00 | Number of whitespace lines | |