Filter.java
| Index Score | ||
|---|---|---|
 |
 |
edu.umd.cs.findbugs.filter |
 |
 |
FindBugs |
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 |  |
| RETURNS | Number of return points from functions | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| CYCLOMATIC | Cyclomatic complexity | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0266 | JAVA0266 Use of System.out | |
| EXITS | Procedure exits | |
| COMPARISONS | Number of comparison operators | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| UNIQUE_OPERATORS | Number of unique operators | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_VOLUME | Halstead program volume | |
| OPERANDS | Number of operands | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| ELOC | Effective lines of code | |
| JAVA0285 | JAVA0285 Dereference of potentially null variable | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0265 | JAVA0265 Use of Throwable.printStackTrace() | |
| LINE_COMMENT | Number of line comments | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0267 | JAVA0267 Use of System.err | |
| BLOCKS | Number of blocks | |
| DOC_COMMENT | Number of javadoc comment lines | |
| EXEC_COMMENTS | Comments in executable code | |
| COMMENTS | Comment lines | |
/*
* FindBugs - Find bugs in Java programs
* Copyright (C) 2003-2005, University of Maryland
*
* 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
*/
package edu.umd.cs.findbugs.filter;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Reader;
import java.util.IdentityHashMap;
import java.util.Iterator;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.SAXBugCollectionHandler;
import edu.umd.cs.findbugs.SystemProperties;
import edu.umd.cs.findbugs.util.Strings;
import edu.umd.cs.findbugs.util.Util;
import edu.umd.cs.findbugs.xml.OutputStreamXMLOutput;
import edu.umd.cs.findbugs.xml.XMLOutput;
import javax.annotation.WillClose;
/**
* Filter to match a subset of BugInstances.
* The filter criteria are read from an XML file.
*
* @author David Hovemeyer
*/
public class Filter extends OrMatcher {
private static final boolean DEBUG = SystemProperties.getBoolean("filter.debug");
private IdentityHashMap<Matcher, Boolean> disabled = new IdentityHashMap<Matcher, Boolean>();
/**
* Constructor for empty filter
*
*/
public Filter() {
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((disabled == null) ? 0 : disabled.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!super.equals(obj))
return false;
if (!(obj instanceof Filter))
return false;
final Filter other = (Filter) obj;
if (disabled == null) {
if (other.disabled != null)
return false;
} else if (!disabled.equals(other.disabled))
return false;
return true;
}
public boolean isEmpty() {
return super.numberChildren() == 0;
}
public void setEnabled(Matcher m, boolean value) {
if (value) enable(m);
else disable(m);
}
public void disable(Matcher m) {
disabled.put(m, true);
}
public boolean isEnabled(Matcher m) {
return !disabled.containsKey(m);
}
public void enable(Matcher m) {
disabled.remove(m);
}
public static Filter parseFilter(String fileName) throws IOException {
return new Filter(fileName);
}
/**
* Constructor.
*
* @param fileName name of the filter file
* @throws IOException
* @throws SAXException
* @throws FilterException
*/
public Filter(String fileName) throws IOException {
try {
parse(fileName);
if (false) System.out.println("Parsed: " + this);
} catch (SAXException e) {
throw new IOException(e.getMessage());
}
}
public boolean contains(Matcher child) {
return children.contains(child);
}
/**
* Add if not present, but do not enable if already present and disabled
* @param child
*/
public void softAdd(Matcher child) {
super.addChild(child);
}
@Override
public void addChild(Matcher child) {
super.addChild(child);
enable(child);
}
@Override
public void removeChild(Matcher child) {
enable(child);//Remove from disabled before removing it
super.removeChild(child);
}
@Override
public void clear(){
disabled.clear();
super.clear();
}
@Override
public boolean match(BugInstance bugInstance) {
Iterator<Matcher> i = childIterator();
while (i.hasNext()) {
Matcher child = i.next();
if (isEnabled(child)
&& child.match(bugInstance))
return true;
}
return false;
}
/**
* Parse and load the given filter file.
*
* @param fileName name of the filter file
* @throws IOException
* @throws SAXException
* @throws FilterException
*/
private void parse(String fileName) throws IOException, SAXException {
if (true) {
File file = new File(fileName);
SAXBugCollectionHandler handler = new SAXBugCollectionHandler(this,file);
XMLReader xr = XMLReaderFactory.createXMLReader();
xr.setContentHandler(handler);
xr.setErrorHandler(handler);
FileInputStream fileInputStream = new FileInputStream(file);
try {
Reader reader = Util.getReader(fileInputStream);
xr.parse(new InputSource(reader));
} finally {
Util.closeSilently(fileInputStream);
}
return;
}
Document filterDoc = null;
FileInputStream fileInputStream = new FileInputStream(fileName);
try {
SAXReader reader = new SAXReader();
filterDoc = reader.read(new BufferedInputStream(fileInputStream));
} catch (DocumentException e) {
throw new FilterException("Couldn't parse filter file " + fileName, e);
}
int count = 1;
// Iterate over Match elements
for (Object matchObj : filterDoc.selectNodes("/FindBugsFilter/Match")) {
Element matchNode = (Element) matchObj;
AndMatcher matchMatcher = new AndMatcher();
// Each match node may have either "class" or "classregex" attributes
Matcher classMatcher = null;
String classAttr = matchNode.valueOf("@class");
if (!classAttr.equals("")) {
classMatcher = new ClassMatcher(classAttr);
} else {
String classRegex = matchNode.valueOf("@classregex");
if (!classRegex.equals(""))
classMatcher = new ClassMatcher("~" + classRegex);
}
if (classMatcher != null)
matchMatcher.addChild(classMatcher);
if (DEBUG) System.out.println("Match node");
// Iterate over child elements of Match node.
Iterator j = matchNode.elementIterator();
while (j.hasNext()) {
Element child = (Element) j.next();
Matcher matcher = getMatcher(child);
matchMatcher.addChild(matcher);
}
if (matchMatcher.numberChildren() == 0)
throw new FilterException("Match element #" + count + " (starting at 1) is invalid in filter file " + fileName);
// Add the Match matcher to the overall Filter
this.addChild(matchMatcher);
count++;
}
if (this.numberChildren() == 0)
throw new FilterException("Could not find any /FindBugsFilter/Match nodes in filter file " + fileName);
}
/**
* Get a Matcher for given Element.
*
* @param element the Element
* @return a Matcher representing that element
* @throws FilterException
*/
private static Matcher getMatcher(Element element) throws FilterException {
// These will be either BugCode, Priority, Class, Method, Field, or Or elements.
String name = element.getName();
if (name.equals("BugCode")) {
return new BugMatcher(element.valueOf("@name"), "", "");
} else if (name.equals("Local")) {
return new LocalMatcher(element.valueOf("@name"));
} else if (name.equals("BugPattern")) {
return new BugMatcher("", element.valueOf("@name"), "");
} else if (name.equals("Bug")) {
return new BugMatcher(element.valueOf("@code"), element
.valueOf("@pattern"), element.valueOf("@category"));
} else if (name.equals("Priority")) {
return new PriorityMatcher(element.valueOf("@value"));
} else if (name.equals("Class")) {
Attribute nameAttr = element.attribute("name");
if (nameAttr == null)
throw new FilterException("Missing name attribute in Class element");
return new ClassMatcher(nameAttr.getValue());
} else if (name.equals("Package")) {
Attribute nameAttr = element.attribute("name");
if (nameAttr == null)
throw new FilterException("Missing name attribute in Package element");
String pName = nameAttr.getValue();
pName = pName.startsWith("~") ? pName : "~" + Strings.replace(pName, ".", "\\.");
return new ClassMatcher(pName + "\\.[^.]+");
} else if (name.equals("Method")) {
Attribute nameAttr = element.attribute("name");
String nameValue;
Attribute paramsAttr = element.attribute("params");
Attribute returnsAttr = element.attribute("returns");
if (nameAttr == null)
if(paramsAttr == null || returnsAttr == null)
throw new FilterException("Method element must have eiter name or params and returnss attributes");
else
nameValue = "~.*"; // any name
else
nameValue = nameAttr.getValue();
if ((paramsAttr != null || returnsAttr != null) && (paramsAttr == null || returnsAttr == null))
throw new FilterException("Method element must have both params and returns attributes if either is used");
if (paramsAttr == null)
return new MethodMatcher(nameValue);
else
return new MethodMatcher(nameValue, paramsAttr.getValue(), returnsAttr.getValue());
} else if (name.equals("Field")) {
Attribute nameAttr = element.attribute("name");
String nameValue;
Attribute typeAttr = element.attribute("type");
if (nameAttr == null)
if(typeAttr == null)
throw new FilterException("Field element must have either name or type attribute");
else
nameValue = "~.*"; // any name
else
nameValue = nameAttr.getValue();
if (typeAttr == null)
return new FieldMatcher(nameValue);
else
return new FieldMatcher(nameValue, typeAttr.getValue());
} else if (name.equals("Or")) {
OrMatcher orMatcher = new OrMatcher();
Iterator i = element.elementIterator();
while (i.hasNext()) {
orMatcher.addChild(getMatcher((Element)i.next()));
}
return orMatcher;
} else
throw new FilterException("Unknown element: " + name);
}
public static void main(String[] argv) {
try {
if (argv.length != 1) {
System.err.println("Usage: " + Filter.class.getName() + " <filename>");
System.exit(1);
}
Filter filter = new Filter(argv[0]);
filter.writeAsXML(System.out);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
public void writeAsXML(@WillClose OutputStream out) throws IOException{
XMLOutput xmlOutput = new OutputStreamXMLOutput(out);
try {
xmlOutput.beginDocument();
xmlOutput.openTag("FindBugsFilter");
writeBodyAsXML(xmlOutput);
xmlOutput.closeTag("FindBugsFilter");
} finally {
xmlOutput.finish();
}
}
public void writeEnabledMatchersAsXML(@WillClose OutputStream out) throws IOException {
XMLOutput xmlOutput = new OutputStreamXMLOutput(out);
try {
xmlOutput.beginDocument();
xmlOutput.openTag("FindBugsFilter");
Iterator<Matcher> i = childIterator();
while (i.hasNext()) {
Matcher child = i.next();
if (!disabled.containsKey(child)) {
child.writeXML(xmlOutput, false);
}
}
xmlOutput.closeTag("FindBugsFilter");
} finally {
xmlOutput.finish();
}
}
public void writeBodyAsXML(XMLOutput xmlOutput) throws IOException {
Iterator<Matcher> i = childIterator();
while (i.hasNext()) {
Matcher child = i.next();
child.writeXML(xmlOutput, disabled.containsKey(child));
}
}
}
// vim:ts=4
The table below shows all metrics for Filter.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 56.00 | Number of blocks | |
| BLOCK_COMMENT | 18.00 | Number of block comment lines | |
| COMMENTS | 61.00 | Comment lines | |
| COMMENT_DENSITY | 0.25 | Comment density | |
| COMPARISONS | 47.00 | Number of comparison operators | |
| CYCLOMATIC | 74.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 8.00 | Comments in declarations | |
| DOC_COMMENT | 37.00 | Number of javadoc comment lines | |
| ELOC | 245.00 | Effective lines of code | |
| EXEC_COMMENTS | 5.00 | Comments in executable code | |
| EXITS | 50.00 | Procedure exits | |
| FUNCTIONS | 22.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 71.58 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 87.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 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 | 30.00 | 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 | 1.00 | 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 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 11.00 | 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 | 1.00 | 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 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 667.00 | 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 | 2.00 | 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 | 5.00 | 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 | 1.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 3.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 1.00 | 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 | 1.00 | 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 | 393.00 | Number of lines in the source file | |
| LINE_COMMENT | 6.00 | Number of line comments | |
| LOC | 284.00 | Lines of code | |
| LOGICAL_LINES | 154.00 | Number of statements | |
| LOOPS | 5.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 699.00 | Number of operands | |
| OPERATORS | 1338.00 | Number of operators | |
| PARAMS | 19.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2037.00 | Halstead program length | |
| PROGRAM_VOCAB | 300.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 68.00 | Number of return points from functions | |
| SIZE | 11551.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 249.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 51.00 | Number of unique operators | |
| WHITESPACE | 48.00 | Number of whitespace lines | |