TxXMLFileDescriptorsStore.java
| Index Score | ||
|---|---|---|
 |
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org.apache.slide.store.txfile |
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 |
Jakarta Slide |
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 | |
|---|---|---|
| RETURNS | Number of return points from functions |  |
| INTERFACE_COMPLEXITY | Interface complexity | |
| BLOCKS | Number of blocks | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0143 | JAVA0143 Synchronized method | |
| ELOC | Effective lines of code | |
| PARAMS | Number of formal parameter declarations | |
| LOC | Lines of code | |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERANDS | Number of unique operands | |
| OPERATORS | Number of operators | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERANDS | Number of operands | |
| LOGICAL_LINES | Number of statements | |
| EXITS | Procedure exits | |
| FUNCTIONS | Number of function declarations | |
| LINES | Number of lines in the source file | |
| JAVA0094 | JAVA0094 Field hides a superclass field | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0128 | JAVA0128 Public constructor in non-public class | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0007 | JAVA0007 Should not declare public field | |
| LINE_COMMENT | Number of line comments | |
| LOOPS | Number of loops | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| DOC_COMMENT | Number of javadoc comment lines | |
| EXEC_COMMENTS | Comments in executable code | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* $Header$
* $Revision: 208266 $
* $Date: 2004-12-07 12:55:33 -0500 (Tue, 07 Dec 2004) $
*
* ====================================================================
*
* Copyright 1999-2002 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.slide.store.txfile;
import org.apache.commons.transaction.file.ResourceManager;
import org.apache.commons.transaction.file.ResourceManagerException;
import org.apache.slide.common.*;
import org.apache.slide.store.*;
import org.apache.slide.structure.*;
import org.apache.slide.security.*;
import org.apache.slide.util.logger.Logger;
import org.apache.slide.lock.*;
import org.apache.slide.content.*;
import java.util.Collection;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import javax.transaction.xa.XAException;
import javax.transaction.xa.Xid;
/**
* Transactional descriptors file store.
* Represents descriptor data as XML using {@link XMLResourceDescriptor}.
*
* <br><br>
* <em>Note</em>: To achieve search performance on properties comparable to a RDBMS some sort of index will be needed.
*
* @see XMLResourceDescriptor
*/
public class TxXMLFileDescriptorsStore
extends AbstractTxFileStoreService
implements NodeStore, LockStore, RevisionDescriptorsStore, RevisionDescriptorStore, SecurityStore {
protected static final String LOG_CHANNEL = "file-meta-store";
protected static final int DEBUG_LEVEL = Logger.DEBUG;
protected static final String ENCODING_PARAMETER = "encoding";
protected static final String DEFER_SAVING_PARAMETER = "defer-saving";
protected String characterEncoding = "UTF-8"; // a save choice
protected boolean deferSaving = false; // the save choice
protected Map suspendedContexts = new HashMap();
protected Map activeContexts = new HashMap();
public void setParameters(Hashtable parameters)
throws ServiceParameterErrorException, ServiceParameterMissingException {
super.setParameters(parameters);
String encoding = (String) parameters.get(ENCODING_PARAMETER);
if (encoding != null) {
characterEncoding = encoding;
}
String deferSavingString = (String) parameters.get(DEFER_SAVING_PARAMETER);
if (deferSavingString != null) {
deferSaving = Boolean.valueOf(deferSavingString).booleanValue();
if (deferSaving) {
getLogger().log(
"Enabling deferred saving",
LOG_CHANNEL,
Logger.INFO);
}
}
}
/*
* --- public methods of interface NodeStore ---
*
*
*/
public ObjectNode retrieveObject(Uri uri) throws ServiceAccessException, ObjectNotFoundException {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
ObjectNode object = xfd.retrieveObject();
return object;
}
public void storeObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectNotFoundException {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.storeObject(object);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
}
public void createObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectAlreadyExistsException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.create();
xfd.storeObject(object);
if (deferSaving) {
xfd.registerForSaving();
TxContext txContext = getActiveTxContext();
if (txContext != null) {
txContext.register(uri, xfd);
}
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
// should not happen, if it does, it is an error inside this store:
throwInternalError("Newly created file vanished");
}
}
public void removeObject(Uri uri, ObjectNode object) throws ServiceAccessException, ObjectNotFoundException {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.delete();
if (deferSaving) {
TxContext txContext = getActiveTxContext();
if (txContext != null) {
txContext.deregister(uri);
}
}
}
/*
* --- public methods of interface SecurityStore ---
*
*
*/
public void grantPermission(Uri uri, NodePermission permission) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.grantPermission(permission);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void revokePermission(Uri uri, NodePermission permission) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.revokePermission(permission);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void revokePermissions(Uri uri) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.revokePermissions();
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public Enumeration enumeratePermissions(Uri uri) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
return xfd.enumeratePermissions();
} catch (ObjectNotFoundException e) {
throwInternalError(e);
return null; // XXX fake (is never called)
}
}
/*
* --- public methods of interface LockStore ---
*
*
*/
public void putLock(Uri uri, NodeLock lock) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.putLock(lock);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void renewLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.renewLock(lock);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void removeLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.removeLock(lock);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throw new LockTokenNotFoundException(lock);
}
}
public void killLock(Uri uri, NodeLock lock) throws ServiceAccessException, LockTokenNotFoundException {
removeLock(uri, lock);
}
public Enumeration enumerateLocks(Uri uri) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
return xfd.enumerateLocks();
} catch (ObjectNotFoundException e) {
throwInternalError(e);
return null; // XXX fake (is never called)
}
}
/*
* --- public methods of interface RevisionDescriptorsStore ---
*
*
*/
public NodeRevisionDescriptors retrieveRevisionDescriptors(Uri uri)
throws ServiceAccessException, RevisionDescriptorNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
return xfd.retrieveRevisionDescriptors();
} catch (ObjectNotFoundException e) {
throw new RevisionDescriptorNotFoundException(uri.toString());
}
}
public void createRevisionDescriptors(Uri uri, NodeRevisionDescriptors revisionDescriptors)
throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.createRevisionDescriptors(revisionDescriptors);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void storeRevisionDescriptors(Uri uri, NodeRevisionDescriptors revisionDescriptors)
throws ServiceAccessException, RevisionDescriptorNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.storeRevisionDescriptors(revisionDescriptors);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throw new RevisionDescriptorNotFoundException(uri.toString());
}
}
public void removeRevisionDescriptors(Uri uri) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.removeRevisionDescriptors();
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
/*
* --- public methods of interface RevisionDescriptorStore ---
*
*
*/
public NodeRevisionDescriptor retrieveRevisionDescriptor(Uri uri, NodeRevisionNumber revisionNumber)
throws ServiceAccessException, RevisionDescriptorNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
return xfd.retrieveRevisionDescriptor(revisionNumber);
} catch (ObjectNotFoundException e) {
throw new RevisionDescriptorNotFoundException(uri.toString());
}
}
public void createRevisionDescriptor(Uri uri, NodeRevisionDescriptor revisionDescriptor)
throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.createRevisionDescriptor(revisionDescriptor);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public void storeRevisionDescriptor(Uri uri, NodeRevisionDescriptor revisionDescriptor)
throws ServiceAccessException, RevisionDescriptorNotFoundException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.storeRevisionDescriptor(revisionDescriptor);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throw new RevisionDescriptorNotFoundException(uri.toString());
}
}
public void removeRevisionDescriptor(Uri uri, NodeRevisionNumber number) throws ServiceAccessException {
try {
XMLResourceDescriptor xfd = getFileDescriptor(uri);
xfd.removeRevisionDescriptor(number);
if (deferSaving) {
xfd.registerForSaving();
} else {
xfd.save();
}
} catch (ObjectNotFoundException e) {
throwInternalError(e);
}
}
public String toString() {
return "TxXMLFileDescriptorsStore at " + storeDir + " working on " + workDir;
}
public synchronized void commit(Xid xid, boolean onePhase) throws XAException {
try {
super.commit(xid, onePhase);
} finally {
Object txId = wrap(xid);
activeContexts.remove(txId);
suspendedContexts.remove(txId);
activeTransactionBranch.set(null);
}
}
public synchronized void rollback(Xid xid) throws XAException {
try {
super.rollback(xid);
} finally {
Object txId = wrap(xid);
activeContexts.remove(txId);
suspendedContexts.remove(txId);
activeTransactionBranch.set(null);
}
}
public synchronized int prepare(Xid xid) throws XAException {
Object txId = wrap(xid);
if (getLogger().isEnabled(LOG_CHANNEL, DEBUG_LEVEL)) {
getLogger().log(
"Thread " + Thread.currentThread() + " prepares transaction branch " + txId,
LOG_CHANNEL,
Logger.DEBUG);
}
try {
if (deferSaving) {
// save all descriptors registered for saving
TxContext txContext = (TxContext) activeContexts.get(txId);
if (txContext == null) txContext = (TxContext) suspendedContexts.get(txId);
// really should not, but only to be sure...
if (txContext != null) {
try {
txContext.saveDescriptors();
} catch (ObjectNotFoundException onfe) {
getLogger().log(
"Thread " + Thread.currentThread() + " failed to prepare transaction branch " + txId,
onfe,
LOG_CHANNEL,
Logger.CRITICAL);
throw new XAException(onfe.toString());
} catch (ServiceAccessException sae) {
getLogger().log(
"Thread " + Thread.currentThread() + " failed to prepare transaction branch " + txId,
sae,
LOG_CHANNEL,
Logger.CRITICAL);
throw new XAException(sae.toString());
}
} else {
getLogger().log(
"Thread " + Thread.currentThread() + " could prepare *unknown* transaction branch " + txId,
LOG_CHANNEL,
Logger.WARNING);
}
}
int status = rm.prepareTransaction(txId);
switch (status) {
case ResourceManager.PREPARE_SUCCESS_READONLY :
return XA_RDONLY;
case ResourceManager.PREPARE_SUCCESS :
return XA_OK;
default :
throw new XAException(XAException.XA_RBROLLBACK);
}
} catch (ResourceManagerException e) {
getLogger().log(
"Thread " + Thread.currentThread() + " failed to prepare transaction branch " + txId,
e,
LOG_CHANNEL,
Logger.CRITICAL);
throw createXAException(e);
}
}
public synchronized void end(Xid xid, int flags) throws XAException {
if (getActiveTxId() == null) {
throw new XAException(XAException.XAER_INVAL);
}
Object txId = wrap(xid);
Thread currentThread = Thread.currentThread();
if (getLogger().isEnabled(LOG_CHANNEL, DEBUG_LEVEL)) {
getLogger().log(
"Thread "
+ currentThread
+ (flags == TMSUSPEND ? " suspends" : flags == TMFAIL ? " fails" : " ends")
+ " work on behalf of transaction branch "
+ txId,
LOG_CHANNEL,
DEBUG_LEVEL);
}
switch (flags) {
case TMSUSPEND :
suspendedContexts.put(txId, getActiveTxContext());
activeContexts.remove(txId);
activeTransactionBranch.set(null);
break;
case TMFAIL :
try {
rm.markTransactionForRollback(wrap(xid));
} catch (ResourceManagerException e) {
throw createXAException(e);
}
activeTransactionBranch.set(null);
break;
case TMSUCCESS :
activeTransactionBranch.set(null);
break;
}
}
public synchronized void start(Xid xid, int flags) throws XAException {
Object txId = wrap(xid);
Thread currentThread = Thread.currentThread();
if (getLogger().isEnabled(LOG_CHANNEL, DEBUG_LEVEL)) {
getLogger().log(
"Thread "
+ currentThread
+ (flags == TMNOFLAGS ? " starts" : flags == TMJOIN ? " joins" : " resumes")
+ " work on behalf of transaction branch "
+ txId,
LOG_CHANNEL,
DEBUG_LEVEL);
}
switch (flags) {
// a new transaction
case TMNOFLAGS :
if (getActiveTxId() != null) {
throw new XAException(XAException.XAER_INVAL);
}
try {
rm.startTransaction(txId);
TxContext txContext = new TxContext(txId);
activeTransactionBranch.set(txContext);
activeContexts.put(txId, txContext);
} catch (ResourceManagerException e) {
throw createXAException(e);
}
break;
case TMJOIN :
if (getActiveTxId() != null) {
throw new XAException(XAException.XAER_INVAL);
}
try {
if (rm.getTransactionState(txId) == STATUS_NO_TRANSACTION) {
throw new XAException(XAException.XAER_INVAL);
}
} catch (ResourceManagerException e) {
throw createXAException(e);
}
TxContext txContext = new TxContext(txId);
activeTransactionBranch.set(txContext);
activeContexts.put(txId, txContext);
break;
case TMRESUME :
if (getActiveTxId() != null) {
throw new XAException(XAException.XAER_INVAL);
}
txContext = (TxContext) suspendedContexts.remove(txId);
if (txContext == null) {
throw new XAException(XAException.XAER_NOTA);
}
activeTransactionBranch.set(txContext);
break;
}
}
/*
* --- XMLFileDescriptor access and caching methods ---
*
*
*/
/**
* Either returns a cached file descriptor or loads it from DB
*/
protected XMLResourceDescriptor getFileDescriptor(Uri uri) throws ServiceAccessException, ObjectNotFoundException {
TxContext txContext = getActiveTxContext();
XMLResourceDescriptor xfd;
if (txContext != null) {
xfd = txContext.lookup(uri);
if (xfd == null) {
Object txId = txContext.xid;
xfd = new XMLResourceDescriptor(uri, this, rm, txId, characterEncoding);
xfd.load();
if (txId != null) {
txContext.register(uri, xfd);
}
}
} else {
xfd = new XMLResourceDescriptor(uri, this, rm, null, characterEncoding);
xfd.load();
}
if (!xfd.getUri().equals(uri.toString())) {
// this may happen with files systems that don't operate case sensitive
// e.g. requested uri /files/test.doc but found /files/TEST.DOC
throw new ObjectNotFoundException(uri);
}
return xfd;
}
protected TxContext getActiveTxContext() {
TxContext context = (TxContext)activeTransactionBranch.get();
return context;
}
protected Object getActiveTxId() {
TxContext context = (TxContext) activeTransactionBranch.get();
return (context == null ? null : context.xid);
}
protected String getLogChannel() {
return LOG_CHANNEL;
}
private static class TxContext {
public Object xid;
public Map descriptors = new HashMap();
public TxContext(Object xid) {
this.xid = xid;
}
public void register(Uri uri, XMLResourceDescriptor xfd) {
descriptors.put(uri.toString(), xfd);
}
public void deregister(Uri uri) {
descriptors.remove(uri.toString());
}
public XMLResourceDescriptor lookup(Uri uri) {
return (XMLResourceDescriptor) descriptors.get(uri.toString());
}
public Collection list() {
return descriptors.values();
}
public void saveDescriptors() throws ObjectNotFoundException, ServiceAccessException {
for (Iterator it = list().iterator(); it.hasNext();) {
XMLResourceDescriptor xfd = (XMLResourceDescriptor) it.next();
if (xfd.isRegisteredForSaving()) xfd.save();
}
}
}
}
The table below shows all metrics for TxXMLFileDescriptorsStore.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 139.00 | Number of blocks | |
| BLOCK_COMMENT | 52.00 | Number of block comment lines | |
| COMMENTS | 70.00 | Comment lines | |
| COMMENT_DENSITY | 0.17 | Comment density | |
| COMPARISONS | 31.00 | Number of comparison operators | |
| CYCLOMATIC | 113.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 9.00 | Comments in declarations | |
| DOC_COMMENT | 12.00 | Number of javadoc comment lines | |
| ELOC | 411.00 | Effective lines of code | |
| EXEC_COMMENTS | 5.00 | Comments in executable code | |
| EXITS | 62.00 | Procedure exits | |
| FUNCTIONS | 38.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 72.73 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 200.00 | 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 | 2.00 | 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 | 2.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 2.00 | 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 | 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 | 2.00 | 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 | 1.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | 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 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 2.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 2.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 7.00 | 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 | 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 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 5.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | 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 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 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 | 1.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 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 | 648.00 | Number of lines in the source file | |
| LINE_COMMENT | 6.00 | Number of line comments | |
| LOC | 514.00 | Lines of code | |
| LOGICAL_LINES | 216.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1009.00 | Number of operands | |
| OPERATORS | 1924.00 | Number of operators | |
| PARAMS | 51.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2933.00 | Halstead program length | |
| PROGRAM_VOCAB | 373.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 149.00 | Number of return points from functions | |
| SIZE | 22609.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 326.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 47.00 | Number of unique operators | |
| WHITESPACE | 64.00 | Number of whitespace lines | |