ZimbraLmtpBackend.java
| Index Score | ||
|---|---|---|
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com.zimbra.cs.lmtpserver |
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Zimbra Collaboration Suite |
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 |  |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| EXITS | Procedure exits | |
| LINE_COMMENT | Number of line comments | |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| OPERANDS | Number of operands | |
| JAVA0007 | JAVA0007 Should not declare public field | |
| PROGRAM_LENGTH | Halstead program length | |
| BLOCKS | Number of blocks | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| OPERATORS | Number of operators | |
| CYCLOMATIC | Cyclomatic complexity | |
| LOGICAL_LINES | Number of statements | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0287 | JAVA0287 Unnecessary null check | |
| ELOC | Effective lines of code | |
| NEST_DEPTH | Maximum nesting depth | |
| LOC | Lines of code | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| COMPARISONS | Number of comparison operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LOOPS | Number of loops | |
| FUNCTIONS | Number of function declarations | |
| DECL_COMMENTS | Comments in declarations | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 ("License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.zimbra.com/license
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is: Zimbra Collaboration Suite Server.
*
* The Initial Developer of the Original Code is Zimbra, Inc.
* Portions created by Zimbra are Copyright (C) 2004, 2005, 2006 Zimbra, Inc.
* All Rights Reserved.
*
* Contributor(s):
*
* ***** END LICENSE BLOCK *****
*/
package com.zimbra.cs.lmtpserver;
import com.zimbra.common.service.ServiceException;
import com.zimbra.common.util.Log;
import com.zimbra.common.util.LogFactory;
import com.zimbra.common.util.ZimbraLog;
import com.zimbra.cs.account.Account;
import com.zimbra.cs.account.Provisioning;
import com.zimbra.cs.account.Provisioning.AccountBy;
import com.zimbra.cs.filter.RuleManager;
import com.zimbra.cs.localconfig.DebugConfig;
import com.zimbra.cs.mailbox.Flag;
import com.zimbra.cs.mailbox.MailServiceException;
import com.zimbra.cs.mailbox.Mailbox;
import com.zimbra.cs.mailbox.MailboxManager;
import com.zimbra.cs.mailbox.Message;
import com.zimbra.cs.mailbox.Notification;
import com.zimbra.cs.mailbox.SharedDeliveryContext;
import com.zimbra.cs.mime.ParsedMessage;
import com.zimbra.cs.service.util.ThreadLocalData;
import com.zimbra.cs.store.Blob;
import com.zimbra.cs.store.StoreManager;
import org.apache.commons.collections.map.LRUMap;
import javax.mail.MessagingException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class ZimbraLmtpBackend implements LmtpBackend {
private static Log mLog = LogFactory.getLog(ZimbraLmtpBackend.class);
private static LRUMap sReceivedMessageIDs = null;
static {
try {
int cacheSize = Provisioning.getInstance().getConfig().getIntAttr(Provisioning.A_zimbraMessageIdDedupeCacheSize, 0);
if (cacheSize > 0)
sReceivedMessageIDs = new LRUMap(cacheSize);
} catch (ServiceException e) {
ZimbraLog.lmtp.error("could not read zimbraMessageIdDedupeCacheSize; no deduping will be performed", e);
}
}
public LmtpStatus getAddressStatus(LmtpAddress address) {
String addr = address.getEmailAddress();
try {
Account acct = Provisioning.getInstance().get(AccountBy.name, addr);
if (acct == null) {
mLog.info("rejecting address " + addr + ": no account");
return LmtpStatus.REJECT;
}
String acctStatus = acct.getAccountStatus();
if (acctStatus == null) {
mLog.warn("rejecting address " + addr + ": no account status");
return LmtpStatus.REJECT;
}
if (acctStatus.equals(Provisioning.ACCOUNT_STATUS_MAINTENANCE)) {
mLog.info("try again for address " + addr + ": account status maintenance");
return LmtpStatus.TRYAGAIN;
}
if (acctStatus.equals(Provisioning.ACCOUNT_STATUS_CLOSED)) {
mLog.info("rejecting address " + addr + ": account status closed");
return LmtpStatus.REJECT;
}
if (acctStatus.equals(Provisioning.ACCOUNT_STATUS_ACTIVE) ||
acctStatus.equals(Provisioning.ACCOUNT_STATUS_LOCKOUT) ||
acctStatus.equals(Provisioning.ACCOUNT_STATUS_LOCKED))
{
return LmtpStatus.ACCEPT;
}
mLog.info("rejecting address " + addr + ": unknown account status " + acctStatus);
return LmtpStatus.REJECT;
} catch (ServiceException e) {
if (e.isReceiversFault()) {
mLog.warn("try again for address " + addr + ": exception occurred", e);
return LmtpStatus.TRYAGAIN;
} else {
mLog.warn("rejecting address " + addr + ": exception occurred", e);
return LmtpStatus.REJECT;
}
}
}
public void deliver(LmtpEnvelope env, byte[] data) {
try {
deliverMessageToLocalMailboxes(data, env.getRecipients(), env.getSender().getEmailAddress());
} catch (MessagingException me) {
mLog.warn("Exception delivering mail (permanent failure)", me);
setDeliveryStatuses(env.getRecipients(), LmtpStatus.REJECT);
} catch (ServiceException e) {
mLog.warn("Exception delivering mail (temporary failure)", e);
setDeliveryStatuses(env.getRecipients(), LmtpStatus.TRYAGAIN);
}
}
private boolean dedupe(ParsedMessage pm, Mailbox mbox) {
if (sReceivedMessageIDs == null || pm == null || mbox == null)
return false;
String msgid = pm.getMessageID();
if (msgid == null || msgid.equals(""))
return false;
synchronized (sReceivedMessageIDs) {
Object hit = sReceivedMessageIDs.get(msgid);
if (hit instanceof Integer)
return hit.equals(new Integer(mbox.getId()));
else if (hit instanceof Set)
return ((Set) hit).contains(new Integer(mbox.getId()));
else
return false;
}
}
private void recordReceipt(ParsedMessage pm, Mailbox mbox) {
if (sReceivedMessageIDs == null || pm == null || mbox == null)
return;
String msgid = pm.getMessageID();
if (msgid == null || msgid.equals(""))
return;
Integer mboxid = mbox.getId();
synchronized (sReceivedMessageIDs) {
Object hit = sReceivedMessageIDs.get(msgid);
if (hit instanceof Integer) {
Set<Integer> set = new HashSet<Integer>();
set.add((Integer) hit); set.add(mboxid);
sReceivedMessageIDs.put(msgid, set);
} else if (hit instanceof Set)
((Set) hit).add(mboxid);
else
sReceivedMessageIDs.put(msgid, mboxid);
}
}
private enum DeliveryAction {
discard, // local delivery is disabled
defer, // can not deliver to mailbox right now - backup maybe in progress
deliver // OK to deliver
}
private static class RecipientDetail {
public Account account;
public Mailbox mbox;
public ParsedMessage pm;
public boolean esd; // whether endSharedDelivery should be called
public DeliveryAction action;
public RecipientDetail(Account a, Mailbox m, ParsedMessage p, boolean endSharedDelivery, DeliveryAction da) {
account = a;
mbox = m;
pm = p;
esd = endSharedDelivery;
action = da;
}
}
private void deliverMessageToLocalMailboxes(byte[] data, List<LmtpAddress> recipients, String envSender)
throws MessagingException, ServiceException {
boolean shared = recipients.size() > 1;
List<Integer> targetMailboxIds = new ArrayList<Integer>(recipients.size());
Map<LmtpAddress, RecipientDetail> rcptMap = new HashMap<LmtpAddress, RecipientDetail>(recipients.size());
try {
// Examine attachments indexing option for all recipients and
// prepare ParsedMessage versions needed. Parsing is done before
// attempting delivery to any recipient. Therefore, parse error
// will result in non-delivery to all recipients.
// ParsedMessage for users with attachments indexing
ParsedMessage pmAttachIndex = null;
// ParsedMessage for users without attachments indexing
ParsedMessage pmNoAttachIndex = null;
for (LmtpAddress recipient : recipients) {
String rcptEmail = recipient.getEmailAddress();
ZimbraLog.addAccountNameToContext(rcptEmail);
Account account = null;
Mailbox mbox = null;
boolean attachmentsIndexingEnabled = true;
try {
account = Provisioning.getInstance().get(AccountBy.name, rcptEmail);
if (account == null) {
ZimbraLog.mailbox.warn("No account found delivering mail to " + rcptEmail);
continue;
}
if (account.getBooleanAttr(Provisioning.A_zimbraPrefMailLocalDeliveryDisabled, false)) {
if (mLog.isDebugEnabled()) mLog.debug("Local delivery disabled for account " + rcptEmail);
rcptMap.put(recipient, new RecipientDetail(null, null, null, false, DeliveryAction.discard));
continue;
}
mbox = MailboxManager.getInstance().getMailboxByAccount(account);
if (mbox == null) {
ZimbraLog.mailbox.warn("No mailbox found delivering mail to " + rcptEmail);
continue;
}
ZimbraLog.addMboxToContext(mbox.getId());
attachmentsIndexingEnabled = mbox.attachmentsIndexingEnabled();
} catch (ServiceException se) {
if (se.isReceiversFault()) {
ZimbraLog.mailbox.info("Recoverable exception getting mailbox for " + rcptEmail, se);
rcptMap.put(recipient, new RecipientDetail(null, null, null, false, DeliveryAction.defer));
} else {
ZimbraLog.mailbox.warn("Unrecoverable exception getting mailbox for " + rcptEmail, se);
}
continue;
}
if (account != null && mbox != null) {
ParsedMessage pm;
if (attachmentsIndexingEnabled) {
if (pmAttachIndex == null)
pmAttachIndex = new ParsedMessage(data, true).analyze();
pm = pmAttachIndex;
} else {
if (pmNoAttachIndex == null)
pmNoAttachIndex = new ParsedMessage(data, false).analyze();
pm = pmNoAttachIndex;
}
assert(pm != null);
ZimbraLog.addMsgIdToContext(pm.getMessageID());
// For non-shared delivery (i.e. only one recipient),
// always deliver regardless of backup mode.
DeliveryAction da = DeliveryAction.deliver;
boolean endSharedDelivery = false;
if (shared) {
if (mbox.beginSharedDelivery()) {
endSharedDelivery = true;
} else {
// Skip delivery to mailboxes in backup mode.
da = DeliveryAction.defer;
}
}
rcptMap.put(recipient, new RecipientDetail(account, mbox, pm, endSharedDelivery, da));
if (da == DeliveryAction.deliver)
targetMailboxIds.add(new Integer(mbox.getId()));
}
}
SharedDeliveryContext sharedDeliveryCtxt =
new SharedDeliveryContext(shared, targetMailboxIds);
// We now know which addresses are valid and which ParsedMessage
// version each recipient needs. Deliver!
try {
// Performance
if (ZimbraLog.perf.isDebugEnabled())
ThreadLocalData.reset();
for (LmtpAddress recipient : recipients) {
String rcptEmail = recipient.getEmailAddress();
LmtpStatus status = LmtpStatus.TRYAGAIN;
RecipientDetail rd = rcptMap.get(recipient);
try {
if (rd != null) {
switch (rd.action) {
case discard:
mLog.info("accepted and discarded message for " + rcptEmail + ": local delivery is disabled");
status = LmtpStatus.ACCEPT;
break;
case deliver:
Account account = rd.account;
Mailbox mbox = rd.mbox;
ParsedMessage pm = rd.pm;
Message msg = null;
ZimbraLog.addAccountNameToContext(account.getName());
if (dedupe(pm, mbox)) {
// message was already delivered to this mailbox
msg = null;
} else if (!DebugConfig.disableFilter) {
msg = RuleManager.getInstance().applyRules(account, mbox, pm, pm.getRawData().length,
rcptEmail, sharedDeliveryCtxt);
} else {
msg = mbox.addMessage(null, pm, Mailbox.ID_FOLDER_INBOX, false, Flag.BITMASK_UNREAD, null,
rcptEmail, sharedDeliveryCtxt);
}
if (msg != null) {
recordReceipt(pm, mbox);
notify(account, mbox, msg, rcptEmail, envSender, pm);
}
status = LmtpStatus.ACCEPT;
break;
case defer:
// Delivery to mailbox skipped. Let MTA retry again later.
// This case happens for shared delivery to a mailbox in
// backup mode.
mLog.info("try again for message " + rcptEmail + ": mailbox skipped");
status = LmtpStatus.TRYAGAIN;
break;
}
} else {
// Account or mailbox not found.
mLog.info("rejecting message " + rcptEmail + ": account or mailbox not found");
status = LmtpStatus.REJECT;
}
} catch (IOException ioe) {
status = LmtpStatus.TRYAGAIN;
mLog.info("try again for " + rcptEmail + ": exception occurred", ioe);
} catch (ServiceException se) {
if (se.getCode().equals(MailServiceException.QUOTA_EXCEEDED)) {
mLog.info("rejecting message " + rcptEmail + ": overquota");
status = LmtpStatus.OVERQUOTA;
} else if (se.isReceiversFault()) {
mLog.info("try again for message " + rcptEmail + ": exception occurred", se);
status = LmtpStatus.TRYAGAIN;
} else {
mLog.info("rejecting message " + rcptEmail + ": exception occurred", se);
status = LmtpStatus.REJECT;
}
} catch (Exception e) {
status = LmtpStatus.TRYAGAIN;
mLog.info("try again for message " + rcptEmail + ": exception occurred", e);
} finally {
ZimbraLog.clearContext();
recipient.setDeliveryStatus(status);
if (shared && rd != null && rd.esd) {
rd.mbox.endSharedDelivery();
rd.esd = false;
}
}
}
} finally {
// Clean up blobs in incoming directory after delivery to all recipients.
if (shared) {
Blob sharedBlob = sharedDeliveryCtxt.getBlob();
if (sharedBlob != null) {
try {
StoreManager.getInstance().delete(sharedBlob);
} catch (IOException e) {
mLog.warn("Unable to delete temporary incoming blob after delivery: " + sharedBlob.toString(), e);
}
}
}
}
} finally {
// If there were any stray exceptions after the call to
// beginSharedDelivery that caused endSharedDelivery to be not
// called, we check and fix those here.
if (shared) {
for (RecipientDetail rd : rcptMap.values()) {
if (rd.esd && rd.mbox != null)
rd.mbox.endSharedDelivery();
}
}
}
}
/**
* Sends any necessary notifications for the specified message.
*/
private void notify(Account account, Mailbox mbox, Message msg, String rcptEmail, String envSender, ParsedMessage pm) {
// If notification fails, log a warning and continue so that message delivery
// isn't affected
try {
Notification.notifyIfNecessary(account, msg, rcptEmail, pm);
} catch (MessagingException e) {
ZimbraLog.mailbox.warn("Unable to send new mail notification", e);
}
try {
Notification.outOfOfficeIfNecessary(account, mbox, msg, rcptEmail, envSender, pm);
} catch (MessagingException e) {
ZimbraLog.mailbox.warn("Unable to send out-of-office reply", e);
} catch (ServiceException e) {
ZimbraLog.mailbox.warn("Unable to send out-of-office reply", e);
}
}
private void setDeliveryStatuses(List<LmtpAddress> recipients, LmtpStatus status) {
for (LmtpAddress recipient : recipients)
recipient.setDeliveryStatus(status);
}
}
The table below shows all metrics for ZimbraLmtpBackend.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 71.00 | Number of blocks | |
| BLOCK_COMMENT | 24.00 | Number of block comment lines | |
| COMMENTS | 50.00 | Comment lines | |
| COMMENT_DENSITY | 0.18 | Comment density | |
| COMPARISONS | 42.00 | Number of comparison operators | |
| CYCLOMATIC | 73.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 2.00 | Comments in declarations | |
| DOC_COMMENT | 3.00 | Number of javadoc comment lines | |
| ELOC | 275.00 | Effective lines of code | |
| EXEC_COMMENTS | 13.00 | Comments in executable code | |
| EXITS | 61.00 | Procedure exits | |
| FUNCTIONS | 8.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 81.46 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 46.00 | 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 | 5.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 1.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 16.00 | 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 | 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 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 1.00 | 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 | 6.00 | 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 | 5.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 1.00 | 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 | 4.00 | 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 | 1.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 58.00 | 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 | 1.00 | 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 | 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 | 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 | 2.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 413.00 | Number of lines in the source file | |
| LINE_COMMENT | 23.00 | Number of line comments | |
| LOC | 326.00 | Lines of code | |
| LOGICAL_LINES | 173.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 7.00 | Maximum nesting depth | |
| OPERANDS | 870.00 | Number of operands | |
| OPERATORS | 1507.00 | Number of operators | |
| PARAMS | 23.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2377.00 | Halstead program length | |
| PROGRAM_VOCAB | 317.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 23.00 | Number of return points from functions | |
| SIZE | 18644.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 267.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 50.00 | Number of unique operators | |
| WHITESPACE | 37.00 | Number of whitespace lines | |