pop3Server.java
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HTML2POP3 |
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 | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| JAVA0079 | JAVA0079 Use of instance to reference static member | |
| COMPARISONS | Number of comparison operators | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| JAVA0267 | JAVA0267 Use of System.err | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| SIZE | Size of the file in bytes | |
| BLOCKS | Number of blocks | |
| OPERATORS | Number of operators | |
| RETURNS | Number of return points from functions | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| EXITS | Procedure exits | |
| JAVA0170 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0166 | JAVA0166 Generic exception caught | |
| ELOC | Effective lines of code | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| LOGICAL_LINES | Number of statements | |
| LOC | Lines of code | |
| JAVA0266 | JAVA0266 Use of System.out | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| LINES | Number of lines in the source file | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0036 | JAVA0036 Missing braces in while statement | |
| LOOPS | Number of loops | |
| JAVA0008 | JAVA0008 Empty catch block | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0171 | JAVA0171 Unused local variable | |
| JAVA0087 | JAVA0087 Use of Thread.sleep() | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| PARAMS | Number of formal parameter declarations | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| FUNCTIONS | Number of function declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* POP3 server
*
* Copyright 2004 Matteo Baccan
* www - http://www.baccan.it
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA (or visit
* their web site at http://www.gnu.org/).
*
*/
/**
* Title: POP3 Server
* Description: Server POP3
* Copyright: Copyright (c) 2004
* Company:
* @author Matteo Baccan
* @version 1.0
*/
import java.net.*;
import java.io.*;
import java.util.*;
import org.html2pop3.utils.*;
import org.html2pop3.exceptions.DeleteMessageException;
import org.html2pop3.plugin.pop3.*;
public class pop3Server extends baseServer {
private Properties config = new Properties();
public pop3Server( html2pop3 p ){
super(p);
String cPath = p.getConfigPath();
String cConfig = "tunnelpop3.cfg";
try {
FileInputStream fis = new FileInputStream( cPath +cConfig );
config.load(fis);
fis.close();
} catch (java.io.FileNotFoundException fnf) {
System.out.println( "Non riesco a leggere il file " +cPath+cConfig );
} catch (IOException e) {
e.printStackTrace();
System.out.println( e.getMessage() );
}
}
private boolean isTunnel( String cEmail ){
return (getTunnelConversion(cEmail).length()>0);
}
private String getTunnelConversion( String cEmail ){
String cRet = "";
// Stacco la parte @qualcosa e la cerco nel config
int nPos = cEmail.indexOf("@");
if( nPos!=-1 ){
String cUser = cEmail.substring(0,nPos);
cEmail = cEmail.substring(nPos+1).toLowerCase();
cRet = config.getProperty( cEmail, "" );
if( cRet.length()>0 ){
cRet = string.replace( cRet, "%email%", cUser+"@"+cEmail );
cRet = string.replace( cRet, "%user%", cUser );
}
}
return cRet;
}
public void run(){
Thread thread;
try {
if( parent.getPort()>0 ){
ss = new ServerSocket( parent.getPort(), parent.getClient(), InetAddress.getByName( parent.getHost() ) );
while( true ){
// Faccio partire il Thread
Socket socket = null;
try {
// Attendo il client
socket = ss.accept();
} catch (Throwable e) {
if( isFinish ) return;
else throw e;
}
// Metto anche il timeout ai socket 60 minuti
socket.setSoTimeout( 60*60*1000 );
// Aggiungo un keepalive .. per I client pigri
setKeepAlive( socket );
thread = new pop3Thread( socket );
thread.start();
}
}
} catch (java.net.BindException be ) {
System.out.println( "Errore! Porta " +parent.getPort() +" gia in uso, cambiare porta nel config.cfg e fare un restart del server POP3" );
if( parent.getGuiError() ){
MsgBox message = new MsgBox("HTML2POP3 server POP3", "Errore! Porta " +parent.getPort() +" gia in uso, cambiare porta nel config.cfg e fare un restart del server POP3", false);
}
} catch (Throwable e) {
e.printStackTrace();
System.out.println( e.getMessage() );
}
}
class pop3Thread extends Thread {
private Socket socket;
public pop3Thread( Socket socket ){
this.socket = socket;
}
// Inizio thread di gestione del socket
public void run() {
try {
manage( socket );
} catch (java.net.SocketException se) {
System.err.println( "POP3 server: chiusura connessione: " +se.getMessage() );
} catch (Throwable e) {
e.printStackTrace();
System.out.println( e.getMessage() );
}
try {
socket.close();
} catch (Throwable e) { }
}
private pop3plugin hp = null;
/** @conditional (JVM14) */
private void getTele2(){
hp = new PluginTele2();
}
/** @conditional (JVM14) */
private void getHotmail(){
hp = new pluginhotmail();
}
/** @conditional (JVM14) */
private void getLinuxIt(){
hp = new PluginLinuxIt();
}
private void manage( Socket socket ) throws Throwable {
// Source
InputStream SI = socket.getInputStream();
OutputStream SO = socket.getOutputStream();
// Tool
htmlTool html = new htmlTool();
String cIP = socket.getInetAddress().getHostAddress();
// IP Filter
if( !parent.getPOP3IpFilter().isAllow( new String[]{cIP} ) ){
System.err.println( "-ERR IP (" +cIP +") deny" );
html.putData( SO, "-ERR IP (" +cIP +") deny\r\n" );
return;
}
// initial banner
html.putData( SO, "+OK HTML2POP3 server ready (" +version.getVersion() +")\r\n" );
boolean bExit = false;
String cUser = "";
String cPassword = "";
Vector aDel = new Vector();
hp = null;
// main loop
while( !bExit ){
String cLine = html.getLineNOCRLF( SI );
String cLineUpper = cLine.toUpperCase();
if( cLineUpper.startsWith("PASS") ){
// Ma e' possibile che le persone vedendo 3 * pensino di avere la password di
// 3 caratteri???????
// Vediamo se cosi piace di piu'
String c = "PASS ";
while( c.length()<cLine.length() ) c += "*";
System.err.println( "POP3 server: " +c );
} else {
System.err.println( "POP3 server: " +cLine );
}
if( cLineUpper.startsWith("USER") ){
cUser = cLine.substring(5);
html.putData( SO, "+OK Password required\r\n" );
} else if( cLineUpper.startsWith("PASS") ){
cPassword = "";
if( cLine.length()>4 ) //
cPassword = cLine.substring(5);
hp = null;
int nServer = cUser.indexOf(";");
String cServer = "";
if( nServer!=-1 ) {
cServer = cUser.substring(0,nServer);
cUser = cUser.substring(nServer+1).trim();
} else {
if( isTunnel(cUser) ){
// Convert generic to valid emil
cUser = getTunnelConversion( cUser );
// Strip server
nServer = cUser.indexOf(";");
if( nServer!=-1 ) {
cServer = cUser.substring(0,nServer);
cUser = cUser.substring(nServer+1).trim();
} else {
cServer = "pop3";
}
System.err.println( "POP3 server: tunneling mode. User converted to " +cUser );
// Per gli utenti pigri
} else if( cUser.toUpperCase().indexOf("@LIBERO.IT")!=-1 )
cServer = "libero.it";
else if( cUser.toUpperCase().indexOf("@INWIND.IT")!=-1 )
cServer = "inwind.it";
else if( cUser.toUpperCase().indexOf("@BLU.IT")!=-1 )
cServer = "blu.it";
else if( cUser.toUpperCase().indexOf("@IOL.IT")!=-1 )
cServer = "iol.it";
else if( cUser.toUpperCase().indexOf("@INFINITO.IT")!=-1 )
cServer = "infinito.it";
else if( cUser.toUpperCase().indexOf("@GENIE.IT")!=-1 )
cServer = "infinito.it";
else if( cUser.toUpperCase().indexOf("@TISCALI.IT")!=-1 )
cServer = "tiscali.it";
else if( cUser.toUpperCase().indexOf("@FASTWEBNET.IT")!=-1 )
cServer = "fastwebnet.it";
//else if( cUser.toUpperCase().indexOf("@EMAIL.IT")!=-1 )
//cServer = "email.it";
else if( cUser.toUpperCase().indexOf("@TIN.IT")!=-1 ||
cUser.toUpperCase().indexOf("@VIRGILIO.IT")!=-1 ||
cUser.toUpperCase().indexOf("@ATLANTIDE.IT")!=-1 ||
cUser.toUpperCase().indexOf("@TIM.IT")!=-1 )
cServer = "tin.it";
/*
else if( cUser.toUpperCase().indexOf("@TIN.IT")!=-1 )
cServer = "tin.it";
else if( cUser.toUpperCase().indexOf("@VIRGILIO.IT")!=-1 )
cServer = "tin.it";
else if( cUser.toUpperCase().indexOf("@TIM.IT")!=-1 )
cServer = "tim.it";
*/
else if( cUser.toUpperCase().indexOf("@HOTMAIL.COM")!=-1 )
cServer = "hotmail.com";
else if( cUser.toUpperCase().indexOf("@SUPEREVA.IT")!=-1 ||
cUser.toUpperCase().indexOf("@FREEMAIL.IT")!=-1 ||
cUser.toUpperCase().indexOf("@FREEWEB.ORG")!=-1 ||
cUser.toUpperCase().indexOf("@SUPERSONIC.IT")!=-1 || //
cUser.toUpperCase().indexOf("@DADACASA.COM")!=-1 || //
cUser.toUpperCase().indexOf("@CONCENTO.IT")!=-1 || //
cUser.toUpperCase().indexOf("@CLARENCE.COM")!=-1 || //
cUser.toUpperCase().indexOf("@CICCIOCICCIO.COM")!=-1 ||
cUser.toUpperCase().indexOf("@MYBOX.IT")!=-1 ||
cUser.toUpperCase().indexOf("@MP4.IT")!=-1 ||
cUser.toUpperCase().indexOf("@SUPERDADA.COM")!=-1 )
cServer = "supereva.it";
else if( cUser.toUpperCase().indexOf("@ALICEPOSTA.IT")!=-1 ||
cUser.toUpperCase().indexOf("@ALICE.IT")!=-1 )
cServer = "aliceposta.it";
else if( cUser.toUpperCase().indexOf("@TELE2.IT")!=-1 )
cServer = "tele2.it";
else if( cUser.toUpperCase().indexOf("@RSS")!=-1 )
cServer = "rss";
else if( cUser.toUpperCase().indexOf("@AGGREGATOR")!=-1 )
cServer = "rss";
else if(cUser.toUpperCase().indexOf("@LINUX.IT") != -1)
cServer = "linux.it";
else
cServer = "libero.it";
}
System.err.println( "POP3 server: usato " +cServer );
// Plugin Filter
if( !parent.getPOP3PluginFilter().isAllow( new String[]{cServer} ) ) {
System.err.println( "-ERR plugin (" +cServer +") deny" );
html.putData( SO, "-ERR plugin (" +cServer +") deny\r\n" );
return;
}
// User Filter
if( !parent.getPOP3UserFilter().isAllow( new String[]{cUser} ) ) {
System.err.println( "-ERR user (" +cUser +") deny" );
html.putData( SO, "-ERR user (" +cUser +") deny\r\n" );
return;
}
// Global Filter
if( !parent.getPOP3GlobalFilter().isAllow( new String[]{cIP,cServer,cUser} ) ) {
System.err.println( "-ERR global (" +cIP +")(" +cServer +")(" +cUser +") deny" );
html.putData( SO, "-ERR global (" +cIP +")(" +cServer +")(" +cUser +") deny\r\n" );
return;
}
if( cServer.equalsIgnoreCase("libero.it") ){
hp = new pluginlibero( pluginlibero.MAIL_LIBERO );
} else if( cServer.equalsIgnoreCase("inwind.it") ){
hp = new pluginlibero( pluginlibero.MAIL_INWIND );
} else if( cServer.equalsIgnoreCase("blu.it") ){
hp = new pluginlibero( pluginlibero.MAIL_BLU );
} else if( cServer.equalsIgnoreCase("iol.it") ){
hp = new pluginlibero( pluginlibero.MAIL_IOL );
} else if( cServer.equalsIgnoreCase("infinito.it") ){
hp = new plugininfinito();
} else if( cServer.equalsIgnoreCase("tiscali.it") ){
hp = new plugintiscali();
} else if( cServer.equalsIgnoreCase("fastwebnet.it") ){
hp = new pluginfastwebnet();
//} else if( cServer.equalsIgnoreCase("email.it") ){
//hp = new pluginemail();
} else if( cServer.equalsIgnoreCase("tin.it") ){
hp = new plugintin();
} else if( cServer.equalsIgnoreCase("virgilio.it") ){
hp = new plugintin();
} else if( cServer.equalsIgnoreCase("tim.it") ){
hp = new plugintim();
} else if( cServer.equalsIgnoreCase("aliceposta.it") ){
hp = new pluginaliceposta();
} else if( cServer.equalsIgnoreCase("hotmail.com") ){
if( parent.getIsWin32() )
System.err.println( "Hotmail non supportato nella versione Win32" );
getHotmail();
} else if( cServer.equalsIgnoreCase("supereva.it") ){
hp = new pluginsupereva();
} else if( cServer.equalsIgnoreCase("tele2.it") ){
if( parent.getIsWin32() )
System.err.println( "Tele2 non supportato nella versione Win32" );
getTele2();
} else if( cServer.equalsIgnoreCase("linux.it")){
getLinuxIt();
} else if( cServer.equalsIgnoreCase("pop3") ){
hp = new pluginpop3();
} else if( cServer.equalsIgnoreCase("rss") ){
hp = new pluginrss();
}
if( hp!=null ){
// Now I can login on server, depending on requested server
hp.setMaxMessageNum( parent.getMaxEmail() );
if( hp.login( cUser, cPassword ) ){
//if( parent.getMaxEmail()!=-1 ) hp.setMessageNum(parent.getMaxEmail());
html.putData( SO, "+OK " +hp.getMessageNum() +" messages\r\n" );
if( !parent.getLifo() ) hp.invertSort();
} else {
if( hp.getLastErr().length()>0 )
html.putData( SO, "-ERR " +hp.getLastErr() +"\r\n" );
else
html.putData( SO, "-ERR invalid password\r\n" );
// Esce 1.10, prima faceva dei loop strani
bExit=true;
}
} else {
System.err.println( "POP3 server: errore, server (" +cServer +") non implementato al momento." );
System.err.println( "Controllare che la sintassi sia server;username. EX libero.it;pippo@libero.it" );
System.err.println( "Eventualmente controllare su http://www.baccan.it che non sia stato rilasciato un aggiornamento che implementa tale server" );
html.putData( SO, "-ERR invalid configuration. Read manual for correct user setting\r\n" );
bExit=true;
}
} else if( cLineUpper.startsWith("TOP") ){
int nPos = cLine.indexOf(" ",4);
if( nPos==-1 ){
html.putData( SO, "-ERR Protocol error\r\n" );
} else {
if( hp==null ){
html.putData( SO, "-ERR Command is not valid in this state\r\n" );
} else {
int nMsg = Double.valueOf( cLine.substring(4,nPos).trim() ).intValue();
int nLine = Double.valueOf( cLine.substring(nPos).trim() ).intValue();
if( !hp.streamMessageTop( SO, nMsg, nLine ) ){
String cMessage = hp.getMessageTop( nMsg, nLine );
if( cMessage!=null ) {
cMessage = "+OK top of message follows\r\n" +cMessage +".\r\n";
html.putData( SO, cMessage );
} else {
html.putData( SO, "-ERR no such message\r\n" );
}
}
}
}
} else if( cLineUpper.startsWith("APOP") ){
html.putData( SO, "-ERR permission denied\r\n" );
} else if( cLineUpper.startsWith("AUTH") ){
if( cLine.length()==4 ){
html.putData( SO, "+OK\r\n" );
html.putData( SO, ".\r\n" );
} else {
html.putData( SO, "-ERR The specified authentication package is not supported\r\n" );
}
} else if( cLineUpper.startsWith("NOOP") ){
// RFC 1939 compliant
if( hp==null )
html.putData( SO, "-ERR unrecognized POP3 command or wrong state\r\n" );
else
html.putData( SO, "+OK\r\n" );
} else if( cLineUpper.startsWith("RSET") ){
// Remove delete flag
aDel = new Vector();
html.putData( SO, "+OK\r\n" );
} else if( cLineUpper.startsWith("STAT") ){
// Di default e' attivo, opzionalmente si puo' staccare
if( parent.getOutlook2002Timeout() ){
// Sleep for 1 second
// Questa riga sembra stupida e inutile .. vero .. ma Outlook 2002, se gli si risponde
// troppo presto ... non riesce a prendere la risposta e a gestirla .. si perde in non
// so quali meandri del suo codice .. rendendo html2pop3 inutilizzabile .. mammamia
// mi sono ridotto a correggere gli errori degli altri
//
// Info
// http://groups.google.it/groups?q=+Outlook+2002+stat&hl=it&lr=&ie=UTF-8&selm=OhQISjVdCHA.1300%40tkmsftngp08&rnum=2
//
// Inoltre, come detto da MS, il fix al problema e' nel SP3 di Outlook 2003
// http://groups.google.it/groups?hl=it&lr=&ie=UTF-8&selm=uS3M6VYAEHA.444%40TK2MSFTNGP11.phx.gbl
//
try {
Thread.sleep( 1000 );
} catch (Throwable ex) {}
// ----------------------
}
if( hp==null ){
html.putData( SO, "-ERR Command is not valid in this state\r\n" );
} else {
// Non complinant al 100%
// Note that messages marked as deleted are not counted in either total.
// Minimal implementations should just end that line of the response with a CRLF pair
String cMessage = "+OK " +hp.getMessageNum() +" " +hp.getMessageSize();
html.putData( SO, cMessage +"\r\n" );
}
} else if( cLineUpper.startsWith("LIST") ){
if( hp==null ){
html.putData( SO, "-ERR Command is not valid in this state\r\n" );
} else {
if( cLine.length()>5 ){
int nMsg = Double.valueOf( cLine.substring(4).trim() ).intValue();
int nNum = hp.getMessageNum();
if( nMsg>nNum )
html.putData( SO, "-ERR no such message, only " +nNum +" messages in maildrop\r\n" );
else
html.putData( SO, "+OK " +nMsg +" " +hp.getMessageSize(nMsg) +"\r\n" );
} else {
html.putData( SO, "+OK\r\n" );
int nNum = hp.getMessageNum();
for( int nPos=1; nPos<=nNum; nPos++ )
html.putData( SO, "" +nPos +" " +hp.getMessageSize(nPos) +"\r\n" );
html.putData( SO, ".\r\n" );
}
}
} else if( cLineUpper.startsWith("UIDL") ){
if( hp==null ){
html.putData( SO, "-ERR Command is not valid in this state\r\n" );
} else {
if( cLine.length()>5 ){
int nMsg = Double.valueOf( cLine.substring(4).trim() ).intValue();
int nNum = hp.getMessageNum();
if( nMsg>nNum )
html.putData( SO, "-ERR no such message, only " +nNum +" messages in maildrop\r\n" );
else
html.putData( SO, "+OK " +nMsg +" " +hp.getMessageID(nMsg) +"\r\n" );
} else {
html.putData( SO, "+OK\r\n" );
int nNum = hp.getMessageNum();
for( int nPos=1; nPos<=nNum; nPos++ )
html.putData( SO, "" +nPos +" " +hp.getMessageID(nPos) +"\r\n" );
html.putData( SO, ".\r\n" );
}
}
} else if( cLineUpper.startsWith("RETR") ){ //RETR num
if( cLine.length()==4 ){
html.putData( SO, "-ERR Protocol error\r\n" );
} else {
if( hp==null ){
html.putData( SO, "-ERR Command is not valid in this state\r\n" );
} else {
int nMsg = Double.valueOf( cLine.substring(4).trim() ).intValue();
if( !hp.streamMessage( SO, nMsg ) ){
String cMessage = hp.getMessage( nMsg );
if( cMessage!=null ) {
html.putData( SO, "+OK " +cMessage.length()+2 +" bytes\r\n" );
html.putData( SO, cMessage +"\r\n" );
html.putData( SO, ".\r\n" );
} else {
html.putData( SO, "-ERR error retrieving message " +nMsg +"\r\n" );
}
}
}
}
} else if( cLineUpper.startsWith("DELE") ){ //DELE num
if( cLine.length()==4 ){
html.putData( SO, "-ERR Protocol error\r\n" );
} else {
if( parent.getDelete() ){
Double nMsg = Double.valueOf( cLine.substring(4).trim() ); //.intValue();
boolean bDel = true;
for( int nCur=0; nCur<aDel.size(); nCur++ ){
Double n = ((Double)aDel.elementAt( nCur ));
if( n.equals( nMsg ) ) bDel = false;
}
if( bDel ) {
aDel.addElement( nMsg );
html.putData( SO, "+OK message marked for deletion\r\n" );
} else {
html.putData( SO, "-ERR already deleted\r\n" );
}
} else {
html.putData( SO, "-ERR delete disabled\r\n" );
}
}
} else if( cLineUpper.startsWith("QUIT") ){
bExit=true;
// Ottimizzata, messaggio e chiusura subito, poi eventuale delete
if( parent.getDeleteOptimized() ){
html.putData( SO, "+OK POP3 server closing connection\r\n" );
try {
socket.close();
} catch (Throwable e) { }
}
if( hp!=null ){
// Cancello se devo cancellare
if( parent.getDelete() ){
System.err.println( "Start removing deleted message from queue ..." );
hp.delMessageStart();
for( int nCur=0; nCur<aDel.size(); nCur++ ){
int nMsg = ((Double)aDel.elementAt( nCur )).intValue();
if( hp.delMessage( nMsg ) ){
System.err.println( "POP3 server: deleted " +nMsg );
} else {
System.err.println( "POP3 server: error deleting " +nMsg );
}
}
try{
hp.delMessagesFromTrash();
}catch(DeleteMessageException dme){
System.err.println("POP3 server: Error while emptying web trash. DeleteMessageException: " + dme.getMessage());
}
hp.delMessageEnd();
System.err.println( "End removing deleted message from queue ..." );
} else {
if( aDel.size()>0 )
System.err.println( "POP3 server: delete disabled" );
}
}
// NON ottimizzata .. messaggio dopo e chiusura dopo
if( !parent.getDeleteOptimized() ){
html.putData( SO, "+OK POP3 server closing connection\r\n" );
}
//} else if( cLineUpper.length()==0 ){
} else {
html.putData( SO, "-ERR Syntax Error or Unknown Command\r\n" );
}
}
}
}
}
The table below shows all metrics for pop3Server.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 123.00 | Number of blocks | |
| BLOCK_COMMENT | 30.00 | Number of block comment lines | |
| COMMENTS | 91.00 | Comment lines | |
| COMMENT_DENSITY | 0.24 | Comment density | |
| COMPARISONS | 126.00 | Number of comparison operators | |
| CYCLOMATIC | 136.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 6.00 | Comments in declarations | |
| DOC_COMMENT | 11.00 | Number of javadoc comment lines | |
| ELOC | 382.00 | Effective lines of code | |
| EXEC_COMMENTS | 33.00 | Comments in executable code | |
| EXITS | 75.00 | Procedure exits | |
| FUNCTIONS | 10.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 85.43 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 79.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 2.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 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 | 33.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 2.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 1.00 | 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 | 10.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 1.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 4.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 48.00 | 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 | 1.00 | 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 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 2.00 | 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 | 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 | 5.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 0.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 6.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 6.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 1.00 | 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 | 1.00 | 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 | 3.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 5.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 20.00 | 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 | 620.00 | Number of lines in the source file | |
| LINE_COMMENT | 50.00 | Number of line comments | |
| LOC | 441.00 | Lines of code | |
| LOGICAL_LINES | 220.00 | Number of statements | |
| LOOPS | 7.00 | Number of loops | |
| NEST_DEPTH | 7.00 | Maximum nesting depth | |
| OPERANDS | 1253.00 | Number of operands | |
| OPERATORS | 2447.00 | Number of operators | |
| PARAMS | 5.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3700.00 | Halstead program length | |
| PROGRAM_VOCAB | 375.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 74.00 | Number of return points from functions | |
| SIZE | 29037.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 330.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 45.00 | Number of unique operators | |
| WHITESPACE | 88.00 | Number of whitespace lines | |