PageStateList.java
| Index Score | ||
|---|---|---|
 |
 |
org.jfree.report.flow.paginating |
 |
 |
JFreeReport |
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 |  |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| COMMENTS | Comment lines | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| WHITESPACE | Number of whitespace lines | |
| COMPARISONS | Number of comparison operators | |
| EXITS | Procedure exits | |
| ELOC | Effective lines of code | |
| JAVA0130 | JAVA0130 Non-static method does not use instance fields | |
| LINE_COMMENT | Number of line comments | |
| OPERANDS | Number of operands | |
| FUNCTIONS | Number of function declarations | |
| EXEC_COMMENTS | Comments in executable code | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| PARAMS | Number of formal parameter declarations | |
| LOGICAL_LINES | Number of statements | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/**
* ========================================
* JFreeReport : a free Java report library
* ========================================
*
* Project Info: http://reporting.pentaho.org/
*
* (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
*
* This library is free software; you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Foundation;
* either version 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: PageStateList.java,v 1.4 2007/04/10 15:01:40 taqua Exp $
* ------------
* (C) Copyright 2000-2005, by Object Refinery Limited.
* (C) Copyright 2005-2007, by Pentaho Corporation.
*/
package org.jfree.report.flow.paginating;
import java.util.ArrayList;
import org.jfree.layouting.StateException;
import org.jfree.report.DataSourceException;
import org.jfree.report.ReportDataFactoryException;
import org.jfree.report.ReportProcessingException;
import org.jfree.report.util.WeakReferenceList;
/**
* The ReportState list stores a report states for the beginning of every page. The list
* is filled on repagination and read when a report or a page of the report is printed.
* <p/>
* Important: This list stores page start report states, not arbitary report states. These
* ReportStates are special: they can be reproduced by calling processPage on the report.
* <p/>
* Internally this list is organized as a list of WeakReferenceLists, where every
* WeakReferenceList stores a certain number of page states. The first 20 states are
* stored in an ordinary list with strong-references, so these states never get
* GarbageCollected (and so they must never be restored by reprocessing them). The next
* 100 states are stored in 4-element ReferenceLists, so if a reference is lost, only 4
* states have to be reprocessed. All other states are stored in 10-element lists.
*
* @author Thomas Morgner
*/
public class PageStateList
{
/**
* The position of the master element in the list. A greater value will reduce the
* not-freeable memory used by the list, but restoring a single page will require more
* time.
*/
/**
* The maxmimum masterposition size.
*/
private static final int MASTERPOSITIONS_MAX = 10;
/**
* The medium masterposition size.
*/
private static final int MASTERPOSITIONS_MED = 4;
/**
* The max index that will be stored in the primary list.
*/
private static final int PRIMARY_MAX = 20;
/**
* The max index that will be stored in the master4 list.
*/
private static final int MASTER4_MAX = 120;
/**
* Internal WeakReferenceList that is capable to restore its elements. The elements in
* this list are page start report states.
*/
private static final class MasterList extends WeakReferenceList
{
/**
* The master list.
*/
private final PageStateList master;
/**
* Creates a new master list.
*
* @param list the list.
* @param maxChildCount the maximum number of elements in this list.
*/
private MasterList (final PageStateList list, final int maxChildCount)
{
super(maxChildCount);
this.master = list;
}
/**
* Function to restore the state of a child after the child was garbage collected.
*
* @param index the index.
* @return the restored ReportState of the given index, or null, if the state could
* not be restored.
*/
protected Object restoreChild (final int index)
{
final PageState master = (PageState) getMaster();
if (master == null)
{
return null;
}
final int max = getChildPos(index);
try
{
return this.restoreState(max, master);
}
catch (Exception rpe)
{
return null;
}
}
/**
* Internal handler function restore a state. Count denotes the number of pages
* required to be processed to restore the page, when the reportstate master is used
* as source element.
*
* @param count the count.
* @param rootstate the root state.
* @return the report state.
*
* @throws ReportProcessingException if there was a problem processing the report.
*/
private PageState restoreState (final int count, final PageState rootstate)
throws ReportProcessingException, StateException,
ReportDataFactoryException, DataSourceException
{
if (rootstate == null)
{
throw new NullPointerException("Master is null");
}
PageState state = rootstate;
for (int i = 0; i <= count; i++)
{
final PaginatingReportProcessor pageProcess = master.getPageProcess();
state = pageProcess.processPage(state);
set(state, i + 1);
// todo: How to prevent endless loops. Should we prevent them at all?
}
return state;
}
}
/**
* The list of master states. This is a list of WeakReferenceLists. These
* WeakReferenceLists contain their master state as first child. The weakReferenceLists
* have a maxSize of 10, so every 10th state will protected from being
* garbageCollected.
*/
private ArrayList masterStates10; // all states > 120
/**
* The list of master states. This is a list of WeakReferenceLists. These
* WeakReferenceLists contain their master state as first child. The weakReferenceLists
* have a maxSize of 4, so every 4th state will protected from being garbageCollected.
*/
private ArrayList masterStates4; // all states from 20 - 120
/**
* The list of primary states. This is a list of ReportStates and is used to store the
* first 20 elements of this state list.
*/
private ArrayList primaryStates; // all states from 0 - 20
/**
* The number of elements in this list.
*/
private int size;
private PaginatingReportProcessor pageProcess;
/**
* Creates a new reportstatelist. The list will be filled using the specified report and
* output target. Filling of the list is done elsewhere.
*
* @param proc the reportprocessor used to restore lost states (null not permitted).
* @throws NullPointerException if the report processor is <code>null</code>.
*/
public PageStateList (final PaginatingReportProcessor proc)
{
if (proc == null)
{
throw new NullPointerException("ReportProcessor null");
}
this.pageProcess = proc;
primaryStates = new ArrayList();
masterStates4 = new ArrayList();
masterStates10 = new ArrayList();
}
/**
* Returns the index of the WeakReferenceList in the master list.
*
* @param pos the position.
* @param maxListSize the maximum list size.
* @return the position within the masterStateList.
*/
private int getMasterPos (final int pos, final int maxListSize)
{
//return (int) Math.floor(pos / maxListSize);
return (pos / maxListSize);
}
protected PaginatingReportProcessor getPageProcess ()
{
return pageProcess;
}
/**
* Returns the number of elements in this list.
*
* @return the number of elements in the list.
*/
public int size ()
{
return this.size;
}
/**
* Adds this report state to the end of the list.
*
* @param state the report state.
*/
public void add (final PageState state)
{
if (state == null)
{
throw new NullPointerException();
}
// the first 20 Elements are stored directly into an ArrayList
if (size() < PRIMARY_MAX)
{
primaryStates.add(state);
this.size++;
}
// the next 100 Elements are stored into a list of 4-element weakReference
//list. So if an Element gets lost (GCd), only 4 states need to be replayed.
else if (size() < MASTER4_MAX)
{
final int secPos = size() - PRIMARY_MAX;
final int masterPos = getMasterPos(secPos, MASTERPOSITIONS_MED);
if (masterPos >= masterStates4.size())
{
final MasterList master = new MasterList(this, MASTERPOSITIONS_MED);
masterStates4.add(master);
master.add(state);
}
else
{
final MasterList master = (MasterList) masterStates4.get(masterPos);
master.add(state);
}
this.size++;
}
// all other Elements are stored into a list of 10-element weakReference
//list. So if an Element gets lost (GCd), 10 states need to be replayed.
else
{
final int thirdPos = size() - MASTER4_MAX;
final int masterPos = getMasterPos(thirdPos, MASTERPOSITIONS_MAX);
if (masterPos >= masterStates10.size())
{
final MasterList master = new MasterList(this, MASTERPOSITIONS_MAX);
masterStates10.add(master);
master.add(state);
}
else
{
final MasterList master = (MasterList) masterStates10.get(masterPos);
master.add(state);
}
this.size++;
}
}
/**
* Removes all elements in the list.
*/
public void clear ()
{
masterStates10.clear();
masterStates4.clear();
primaryStates.clear();
this.size = 0;
}
/**
* Retrieves the element on position <code>index</code> in this list.
*
* @param index the index.
* @return the report state.
*/
public PageState get (int index)
{
if (index >= size() || index < 0)
{
throw new IndexOutOfBoundsException
("Index is invalid. Index was " + index + "; size was " + size());
}
if (index < PRIMARY_MAX)
{
return (PageState) primaryStates.get(index);
}
else if (index < MASTER4_MAX)
{
index -= PRIMARY_MAX;
final MasterList master
= (MasterList) masterStates4.get(getMasterPos(index, MASTERPOSITIONS_MED));
return (PageState) master.get(index);
}
else
{
index -= MASTER4_MAX;
final MasterList master
= (MasterList) masterStates10.get(getMasterPos(index, MASTERPOSITIONS_MAX));
return (PageState) master.get(index);
}
}
}
The table below shows all metrics for PageStateList.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 28.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 152.00 | Comment lines | |
| COMMENT_DENSITY | 1.46 | Comment density | |
| COMPARISONS | 16.00 | Number of comparison operators | |
| CYCLOMATIC | 24.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 22.00 | Comments in declarations | |
| DOC_COMMENT | 145.00 | Number of javadoc comment lines | |
| ELOC | 104.00 | Effective lines of code | |
| EXEC_COMMENTS | 5.00 | Comments in executable code | |
| EXITS | 14.00 | Procedure exits | |
| FUNCTIONS | 10.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 59.45 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 32.00 | 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 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 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 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 3.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 1.00 | 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 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 1.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 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 | 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 | 0.00 | 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 | 1.00 | 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 | 1.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 344.00 | Number of lines in the source file | |
| LINE_COMMENT | 7.00 | Number of line comments | |
| LOC | 164.00 | Lines of code | |
| LOGICAL_LINES | 71.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 3.00 | Maximum nesting depth | |
| OPERANDS | 261.00 | Number of operands | |
| OPERATORS | 550.00 | Number of operators | |
| PARAMS | 10.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 811.00 | Halstead program length | |
| PROGRAM_VOCAB | 131.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 22.00 | Number of return points from functions | |
| SIZE | 10652.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 90.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 41.00 | Number of unique operators | |
| WHITESPACE | 28.00 | Number of whitespace lines | |