BibtexDatabase.java
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|---|---|---|
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net.sf.jabref |
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JabRef |
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 | |
|---|---|---|
| LINE_COMMENT | Number of line comments |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0143 | JAVA0143 Synchronized method | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DECL_COMMENTS | Comments in declarations | |
| EXEC_COMMENTS | Comments in executable code | |
| EXITS | Procedure exits | |
| SIZE | Size of the file in bytes | |
| JAVA0081 | JAVA0081 Boolean literal in comparison | |
| JAVA0020 | JAVA0020 Field name does not have required form | |
| COMMENTS | Comment lines | |
| JAVA0236 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| RETURNS | Number of return points from functions | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| LINES | Number of lines in the source file | |
| FUNCTIONS | Number of function declarations | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PARAMS | Number of formal parameter declarations | |
| COMPARISONS | Number of comparison operators | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| BLOCKS | Number of blocks | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| OPERANDS | Number of operands | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LOC | Lines of code | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| ELOC | Effective lines of code | |
| NEST_DEPTH | Maximum nesting depth | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| LOGICAL_LINES | Number of statements | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| LOOPS | Number of loops | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
Copyright (C) 2003 David Weitzman, Morten O. Alver
All programs in this directory and
subdirectories are published under the GNU General Public License as
described below.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
Further information about the GNU GPL is available at:
http://www.gnu.org/copyleft/gpl.ja.html
Note:
Modified for use in JabRef
*/
// created by : ?
//
// modified : r.nagel 23.08.2004
// - insert getEntryByKey() methode needed by AuxSubGenerator
package net.sf.jabref;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeListener;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import javax.swing.JOptionPane;
public class BibtexDatabase {
Map<String, BibtexEntry> _entries = new Hashtable<String, BibtexEntry>();
String _preamble = null;
HashMap<String, BibtexString> _strings = new HashMap<String, BibtexString>();
Vector<String> _strings_ = new Vector<String>();
Set<DatabaseChangeListener> changeListeners = new HashSet<DatabaseChangeListener>();
/**
* use a map instead of a set since i need to know how many of each key is
* inthere
*/
private HashMap<String, Integer> allKeys = new HashMap<String, Integer>();
/*
* Entries are stored in a HashMap with the ID as key. What happens if
* someone changes a BibtexEntry's ID after it has been added to this
* BibtexDatabase? The key of that entry would be the old ID, not the new
* one. Use a PropertyChangeListener to identify an ID change and update the
* Map.
*/
private final VetoableChangeListener listener =
new VetoableChangeListener()
{
public void vetoableChange(PropertyChangeEvent pce)
throws PropertyVetoException
{
if (pce.getPropertyName() == null)
fireDatabaseChanged (new DatabaseChangeEvent(BibtexDatabase.this, DatabaseChangeEvent.CHANGING_ENTRY, (BibtexEntry)pce.getSource()));
else if ("id".equals(pce.getPropertyName()))
{
// locate the entry under its old key
BibtexEntry oldEntry =
_entries.remove(pce.getOldValue());
if (oldEntry != pce.getSource())
{
// Something is very wrong!
// The entry under the old key isn't
// the one that sent this event.
// Restore the old state.
_entries.put((String)pce.getOldValue(), oldEntry);
throw new PropertyVetoException("Wrong old ID", pce);
}
if (_entries.get(pce.getNewValue()) != null)
{
_entries.put((String)pce.getOldValue(), oldEntry);
throw new PropertyVetoException
("New ID already in use, please choose another",
pce);
}
// and re-file this entry
_entries.put((String) pce.getNewValue(),
(BibtexEntry) pce.getSource());
} else {
fireDatabaseChanged (new DatabaseChangeEvent(BibtexDatabase.this, DatabaseChangeEvent.CHANGED_ENTRY, (BibtexEntry)pce.getSource()));
//Util.pr(pce.getSource().toString()+"\n"+pce.getPropertyName()
// +"\n"+pce.getNewValue());
}
}
};
/**
* Returns the number of entries.
*/
public synchronized int getEntryCount()
{
return _entries.size();
}
/**
* Returns a Set containing the keys to all entries.
* Use getKeySet().iterator() to iterate over all entries.
*/
public synchronized Set<String> getKeySet()
{
return _entries.keySet();
}
/**
* Returns an EntrySorter with the sorted entries from this base,
* sorted by the given Comparator.
*/
public synchronized EntrySorter getSorter(Comparator<BibtexEntry> comp) {
EntrySorter sorter = new EntrySorter(_entries, comp);
addDatabaseChangeListener(sorter);
return sorter;
}
/**
* Just temporary, for testing purposes....
* @return
*/
public Map<String, BibtexEntry> getEntryMap() { return _entries; }
/**
* Returns the entry with the given ID (-> entry_type + hashcode).
*/
public synchronized BibtexEntry getEntryById(String id)
{
return _entries.get(id);
}
public synchronized Collection<BibtexEntry> getEntries() {
return _entries.values();
}
/**
* Returns the entry with the given bibtex key.
*/
public synchronized BibtexEntry getEntryByKey(String key)
{
BibtexEntry back = null ;
int keyHash = key.hashCode() ; // key hash for better performance
Set<String> keySet = _entries.keySet();
if (keySet != null)
{
Iterator<String> it = keySet.iterator();
while(it.hasNext())
{
String entrieID = it.next() ;
BibtexEntry entry = getEntryById(entrieID) ;
if ((entry != null) && (entry.getCiteKey() != null))
{
String citeKey = entry.getCiteKey() ;
if (citeKey != null)
{
if (keyHash == citeKey.hashCode() )
{
back = entry ;
}
}
}
}
}
return back ;
}
public synchronized BibtexEntry[] getEntriesByKey(String key) {
ArrayList<BibtexEntry> entries = new ArrayList<BibtexEntry>();
for (BibtexEntry entry : _entries.values()){
if (key.equals(entry.getCiteKey()))
entries.add(entry);
}
return entries.toArray(new BibtexEntry[entries.size()]);
}
/**
* Inserts the entry, given that its ID is not already in use.
* use Util.createId(...) to make up a unique ID for an entry.
*/
public synchronized boolean insertEntry(BibtexEntry entry)
throws KeyCollisionException
{
String id = entry.getId();
if (getEntryById(id) != null)
{
throw new KeyCollisionException(
"ID is already in use, please choose another");
}
entry.addPropertyChangeListener(listener);
_entries.put(id, entry);
fireDatabaseChanged(new DatabaseChangeEvent(this, DatabaseChangeEvent.ADDED_ENTRY, entry));
return checkForDuplicateKeyAndAdd(null, entry.getCiteKey(), false);
}
/**
* Removes the entry with the given string.
*
* Returns null if not found.
*/
public synchronized BibtexEntry removeEntry(String id)
{
BibtexEntry oldValue = _entries.remove(id);
if (oldValue == null)
return null;
removeKeyFromSet(oldValue.getCiteKey());
oldValue.removePropertyChangeListener(listener);
fireDatabaseChanged(new DatabaseChangeEvent(this, DatabaseChangeEvent.REMOVED_ENTRY, oldValue));
return oldValue;
}
public synchronized boolean setCiteKeyForEntry(String id, String key) {
if (!_entries.containsKey(id)) return false; // Entry doesn't exist!
BibtexEntry entry = getEntryById(id);
String oldKey = entry.getCiteKey();
if (key != null)
entry.setField(BibtexFields.KEY_FIELD, key);
else
entry.clearField(BibtexFields.KEY_FIELD);
return checkForDuplicateKeyAndAdd(oldKey, entry.getCiteKey(), false);
}
/**
* Sets the database's preamble.
*/
public synchronized void setPreamble(String preamble)
{
_preamble = preamble;
}
/**
* Returns the database's preamble.
*/
public synchronized String getPreamble()
{
return _preamble;
}
/**
* Inserts a Bibtex String at the given index.
*/
public synchronized void addString(BibtexString string)
throws KeyCollisionException
{
if (hasStringLabel(string.getName())){
throw new KeyCollisionException("A string with this label already exists,");
}
if (_strings.containsKey(string.getId()))
throw new KeyCollisionException("Duplicate BibtexString id.");
_strings.put(string.getId(), string);
}
/**
* Removes the string at the given index.
*/
public synchronized void removeString(String id) {
_strings.remove(id);
}
/**
* Returns a Set of keys to all BibtexString objects in the database.
* These are in no sorted order.
*/
public Set<String> getStringKeySet() {
return _strings.keySet();
}
/**
* Returns a Collection of all BibtexString objects in the database.
* These are in no particular order.
*/
public Collection<BibtexString> getStringValues() {
return _strings.values();
}
/**
* Returns the string at the given index.
*/
public synchronized BibtexString getString(String o) {
return _strings.get(o);
}
/**
* Returns the number of strings.
*/
public synchronized int getStringCount() {
return _strings.size();
}
/**
* Returns true if a string with the given label already exists.
*/
public synchronized boolean hasStringLabel(String label) {
for (BibtexString value : _strings.values()){
if (value.getName().equals(label))
return true;
}
return false;
}
/**
* Resolves any references to strings contained in this field content,
* if possible.
*/
public String resolveForStrings(String content) {
if (content == null){
throw new IllegalArgumentException("Content for resolveForStrings must not be null.");
}
return resolveContent(content, new HashSet<String>());
}
/**
* Take the given collection of BibtexEntry and resolve any string
* references.
*
* @param entries
* A collection of BibtexEntries in which all strings of the form
* #xxx# will be resolved against the hash map of string
* references stored in the databasee.
*
* @param inPlace If inPlace is true then the given BibtexEntries will be modified, if false then copies of the BibtexEntries are made before resolving the strings.
*
* @return a list of bibtexentries, with all strings resolved. It is dependent on the value of inPlace whether copies are made or the given BibtexEntries are modified.
*/
public List<BibtexEntry> resolveForStrings(Collection<BibtexEntry> entries, boolean inPlace){
if (entries == null)
throw new NullPointerException();
List<BibtexEntry> results = new ArrayList<BibtexEntry>(entries.size());
for (BibtexEntry entry : entries){
results.add(this.resolveForStrings(entry, inPlace));
}
return results;
}
/**
* Take the given BibtexEntry and resolve any string references.
*
* @param entry
* A BibtexEntry in which all strings of the form #xxx# will be
* resolved against the hash map of string references stored in
* the databasee.
*
* @param inPlace
* If inPlace is true then the given BibtexEntry will be
* modified, if false then a copy is made using close made before
* resolving the strings.
*
* @return a BibtexEntry with all string references resolved. It is
* dependent on the value of inPlace whether a copy is made or the
* given BibtexEntries is modified.
*/
public BibtexEntry resolveForStrings(BibtexEntry entry, boolean inPlace) {
if (!inPlace){
entry = (BibtexEntry)entry.clone();
}
for (Object field : entry.getAllFields()){
entry.setField(field.toString(), this.resolveForStrings(entry.getField(field.toString()).toString()));
}
return entry;
}
/**
* If the label represents a string contained in this database, returns
* that string's content. Resolves references to other strings, taking
* care not to follow a circular reference pattern.
* If the string is undefined, returns null.
*/
private String resolveString(String label, HashSet<String> usedIds) {
for (BibtexString string : _strings.values()){
//Util.pr(label+" : "+string.getName());
if (string.getName().toLowerCase().equals(label.toLowerCase())) {
// First check if this string label has been resolved
// earlier in this recursion. If so, we have a
// circular reference, and have to stop to avoid
// infinite recursion.
if (usedIds.contains(string.getId())) {
Util.pr("Stopped due to circular reference in strings: "+label);
return label;
}
// If not, log this string's ID now.
usedIds.add(string.getId());
// Ok, we found the string. Now we must make sure we
// resolve any references to other strings in this one.
String res = string.getContent();
res = resolveContent(res, usedIds);
// Finished with recursing this branch, so we remove our
// ID again:
usedIds.remove(string.getId());
return res;
}
}
// If we get to this point, the string has obviously not been defined locally.
// Check if one of the standard BibTeX month strings has been used:
Object o;
if ((o = Globals.MONTH_STRINGS.get(label.toLowerCase())) != null) {
return (String)o;
}
return null;
}
private String resolveContent(String res, HashSet<String> usedIds) {
//if (res.matches(".*#[-\\^\\:\\w]+#.*")) {
if (res.matches(".*#[^#]+#.*")) {
StringBuffer newRes = new StringBuffer();
int piv = 0, next = 0;
while ((next=res.indexOf("#", piv)) >= 0) {
// We found the next string ref. Append the text
// up to it.
if (next > 0)
newRes.append(res.substring(piv, next));
int stringEnd = res.indexOf("#", next+1);
if (stringEnd >= 0) {
// We found the boundaries of the string ref,
// now resolve that one.
String refLabel = res.substring(next+1, stringEnd);
String resolved = resolveString(refLabel, usedIds);
if (resolved == null) {
// Could not resolve string. Display the #
// characters rather than removing them:
newRes.append(res.substring(next, stringEnd+1));
} else
// The string was resolved, so we display its meaning only,
// stripping the # characters signifying the string label:
newRes.append(resolved);
piv = stringEnd+1;
} else {
// We didn't find the boundaries of the string ref. This
// makes it impossible to interpret it as a string label.
// So we should just append the rest of the text and finish.
newRes.append(res.substring(next));
piv = res.length();
break;
}
}
if (piv < res.length()-1)
newRes.append(res.substring(piv));
res = newRes.toString();
}
return res;
}
//##########################################
// usage:
// isDuplicate=checkForDuplicateKeyAndAdd( null, b.getKey() , issueDuplicateWarning);
//############################################
// if the newkey already exists and is not the same as oldkey it will give a warning
// else it will add the newkey to the to set and remove the oldkey
public boolean checkForDuplicateKeyAndAdd(String oldKey, String newKey, boolean issueWarning){
// Globals.logger(" checkForDuplicateKeyAndAdd [oldKey = " + oldKey + "] [newKey = " + newKey + "]");
boolean duplicate=false;
if(oldKey==null){// this is a new entry so don't bother removing oldKey
duplicate= addKeyToSet( newKey);
}else{
if(oldKey.equals(newKey)){// were OK because the user did not change keys
duplicate=false;
}else{// user changed the key
// removed the oldkey
// But what if more than two have the same key?
// this means that user can add another key and would not get a warning!
// consider this: i add a key xxx, then i add another key xxx . I get a warning. I delete the key xxx. JBM
// removes this key from the allKey. then I add another key xxx. I don't get a warning!
// i need a way to count the number of keys of each type
// hashmap=>int (increment each time)
removeKeyFromSet( oldKey);
duplicate = addKeyToSet( newKey );
}
}
if(duplicate==true && issueWarning==true){
JOptionPane.showMessageDialog(null, Globals.lang("Warning there is a duplicate key")+":" + newKey ,
Globals.lang("Duplicate Key Warning"),
JOptionPane.WARNING_MESSAGE);//, options);
}
return duplicate;
}
/**
* Returns the number of occurences of the given key in this database.
*/
public int getNumberOfKeyOccurences(String key) {
Object o = allKeys.get(key);
if (o == null)
return 0;
else
return ((Integer)o).intValue();
}
//========================================================
// keep track of all the keys to warn if there are duplicates
//========================================================
private boolean addKeyToSet(String key){
boolean exists=false;
if((key == null) || key.equals(""))
return false;//don't put empty key
if(allKeys.containsKey(key)){
// warning
exists=true;
allKeys.put( key, new Integer( allKeys.get(key).intValue() + 1));// incrementInteger( allKeys.get(key)));
}else
allKeys.put( key, new Integer(1));
return exists;
}
//========================================================
// reduce the number of keys by 1. if this number goes to zero then remove from the set
// note: there is a good reason why we should not use a hashset but use hashmap instead
//========================================================
private void removeKeyFromSet(String key){
if((key == null) || key.equals("")) return;
if(allKeys.containsKey(key)){
Integer tI = allKeys.get(key); // if(allKeys.get(key) instanceof Integer)
if(tI.intValue()==1)
allKeys.remove( key);
else
allKeys.put( key, new Integer( (tI).intValue() - 1));//decrementInteger( tI ));
}
}
public void fireDatabaseChanged(DatabaseChangeEvent e) {
for (DatabaseChangeListener listener : changeListeners){
listener.databaseChanged(e);
}
}
public void addDatabaseChangeListener(DatabaseChangeListener l) {
changeListeners.add(l);
}
public void removeDatabaseChangeListener(DatabaseChangeListener l) {
changeListeners.remove(l);
}
/**
* Returns the text stored in the given field of the given bibtex entry
* which belongs to the given database.
*
* If a database is given, this function will try to resolve any string
* references in the field-value.
* Also, if a database is given, this function will try to find values for
* unset fields in the entry linked by the "crossref" field, if any.
*
* @param field
* The field to return the value of.
* @param bibtex maybenull
* The bibtex entry which contains the field.
* @param database maybenull
* The database of the bibtex entry.
* @return The resolved field value or null if not found.
*/
public static String getResolvedField(String field, BibtexEntry bibtex,
BibtexDatabase database) {
if (field.equals("bibtextype"))
return bibtex.getType().getName();
Object o = bibtex.getField(field);
// If this field is not set, and the entry has a crossref, try to look up the
// field in the referred entry:
if ((o == null) && (database != null)) {
Object crossRef = bibtex.getField("crossref");
if (crossRef != null) {
BibtexEntry referred = database.getEntryByKey((String)crossRef);
if (referred != null) {
// Ok, we found the referred entry. Get the field value from that
// entry. If it is unset there, too, stop looking:
o = referred.getField(field);
}
}
}
return getText((String)o, database);
}
/**
* Returns a text with references resolved according to an optionally given
* database.
* @param toResolve maybenull The text to resolve.
* @param database maybenull The database to use for resolving the text.
* @return The resolved text or the original text if either the text or the database are null
*/
public static String getText(String toResolve, BibtexDatabase database) {
if (toResolve != null && database != null)
return database.resolveForStrings(toResolve);
return toResolve;
}
}
The table below shows all metrics for BibtexDatabase.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 72.00 | Number of blocks | |
| BLOCK_COMMENT | 36.00 | Number of block comment lines | |
| COMMENTS | 229.00 | Comment lines | |
| COMMENT_DENSITY | 0.92 | Comment density | |
| COMPARISONS | 52.00 | Number of comparison operators | |
| CYCLOMATIC | 84.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 34.00 | Comments in declarations | |
| DOC_COMMENT | 131.00 | Number of javadoc comment lines | |
| ELOC | 250.00 | Effective lines of code | |
| EXEC_COMMENTS | 21.00 | Comments in executable code | |
| EXITS | 80.00 | Procedure exits | |
| FUNCTIONS | 35.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 67.16 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 91.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | 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 | 4.00 | 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 | 21.00 | 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 | 1.00 | 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 | 2.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 14.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 16.00 | 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 | 2.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 7.00 | 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 | 2.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | 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 | 17.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 4.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 129.00 | 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 | 1.00 | 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 | 1.00 | 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 | 657.00 | Number of lines in the source file | |
| LINE_COMMENT | 62.00 | Number of line comments | |
| LOC | 336.00 | Lines of code | |
| LOGICAL_LINES | 146.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 779.00 | Number of operands | |
| OPERATORS | 1530.00 | Number of operators | |
| PARAMS | 37.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2309.00 | Halstead program length | |
| PROGRAM_VOCAB | 306.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 54.00 | Number of return points from functions | |
| SIZE | 23251.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 261.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 45.00 | Number of unique operators | |
| WHITESPACE | 92.00 | Number of whitespace lines | |