Language.java
| Index Score | ||
|---|---|---|
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net.sourceforge.pmd.lang |
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PMD |
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 |  |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0259 | JAVA0259 Return of collection/array field | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| DOC_COMMENT | Number of javadoc comment lines | |
| WHITESPACE | Number of whitespace lines | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| CYCLOMATIC | Cyclomatic complexity | |
| COMPARISONS | Number of comparison operators | |
| LOGICAL_LINES | Number of statements | |
| ELOC | Effective lines of code | |
| LOC | Lines of code | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import net.sourceforge.pmd.lang.java.rule.JavaRuleChainVisitor;
import net.sourceforge.pmd.lang.jsp.rule.JspRuleChainVisitor;
import net.sourceforge.pmd.lang.rule.RuleChainVisitor;
import net.sourceforge.pmd.lang.xml.rule.XmlRuleChainVisitor;
/**
* This is an enumeration of the Languages of which PMD is aware. The primary
* use of a Language is for Rules, but they are also used by utilities such as
* CPD.
* <p>
* The following are key components of a Language in PMD:
* <ul>
* <li>Name - Full name of the Language</li>
* <li>Short name - The common short form of the Language</li>
* <li>Terse name - The shortest and simplest possible form of the Language
* name, generally used for Rule configuration</li>
* <li>Extensions - File extensions associated with the Language</li>
* <li>Rule Chain Visitor - The RuleChainVisitor implementation used for this
* Language</li>
* <li>Versions - The LanguageVersions associated with the Language</li>
* </ul>
*
* @see LanguageVersion
* @see LanguageVersionDiscoverer
*/
public enum Language {
//ANY("Any", null, null, null, (String)null),
//UNKNOWN("Unknown", null, "unknown", null, (String)null),
CPP("C++", null, "cpp", null, "h", "c", "cpp", "cxx", "cc", "C"),
FORTRAN("Fortran", null, "fortran", null, "for"),
EMCASCRIPT("Ecmascript", null, "ecmascript", null, "js"),
JAVA("Java", null, "java", JavaRuleChainVisitor.class, "java"),
JSP("Java Server Pages", "JSP", "jsp", JspRuleChainVisitor.class, "jsp"),
PHP("PHP: Hypertext Preprocessor", "PHP", "php", null, "php", "class"),
RUBY("Ruby", null, "ruby", null, "rb", "cgi", "class"),
XML("XML", null, "xml", XmlRuleChainVisitor.class, "xml");
private final String name;
private final String shortName;
private final String terseName;
private final List<String> extensions;
private final Class<?> ruleChainVisitorClass;
private final List<LanguageVersion> versions;
/**
* Language constructor.
*
* @param name The name of this Language. Must not be <code>null</code>.
* @param shortName The short name of this Language, if <code>null</code> the
* name will be used at the short name.
* @param terseName The terse name of this Language.
* Must not be <code>null</code>.
* @param ruleChainVisitorClass The RuleChainVisitor implementation class.
* May be <code>null</code>.
* @param extensions An array of extensions for this Language.
* May be <code>null</code>.
*/
private Language(String name, String shortName, String terseName, Class<?> ruleChainVisitorClass,
String... extensions) {
if (name == null) {
throw new IllegalArgumentException("Name must not be null.");
}
if (terseName == null) {
throw new IllegalArgumentException("Terse name must not be null.");
}
this.name = name;
this.shortName = shortName != null ? shortName : name;
this.terseName = terseName;
this.ruleChainVisitorClass = ruleChainVisitorClass;
this.extensions = Collections.unmodifiableList(Arrays.asList(extensions));
this.versions = new ArrayList<LanguageVersion>();
// Sanity check: RuleChainVisitor is actually so, and has no arg-constructor?
if (ruleChainVisitorClass != null) {
try {
Object obj = ruleChainVisitorClass.newInstance();
if (!(obj instanceof RuleChainVisitor)) {
throw new IllegalStateException("RuleChainVisitor class <" + ruleChainVisitorClass.getName()
+ "> does not implement the RuleChainVisitor interface!");
}
} catch (InstantiationException e) {
throw new IllegalStateException("Unable to invoke no-arg constructor for RuleChainVisitor class <"
+ ruleChainVisitorClass.getName() + ">!");
} catch (IllegalAccessException e) {
throw new IllegalStateException("Unable to invoke no-arg constructor for RuleChainVisitor class <"
+ ruleChainVisitorClass.getName() + ">!");
}
}
}
/**
* Get the full name of this Language. This is generally the name of this
* Language without the use of acronyms.
* @return The full name of this Language.
*/
public String getName() {
return name;
}
/**
* Get the short name of this Language. This is the commonly used short
* form of this Language's name, perhaps an acronym.
* @return The short name of this Language.
*/
public String getShortName() {
return shortName;
}
/**
* Get the terse name of this Language. This is used for Rule configuration.
* @return The terse name of this Language.
*/
public String getTerseName() {
return terseName;
}
/**
* Get the list of file extensions associated with this Language.
* @return List of file extensions.
*/
public List<String> getExtensions() {
return extensions;
}
/**
* Returns whether the given Language handles the given file extension.
* The comparison is done ignoring case.
* @param extension A file extension.
* @return <code>true</code> if this Language handles this extension, <code>false</code> otherwise.
*/
public boolean hasExtension(String extension) {
if (extension != null) {
for (String ext : extensions) {
if (ext.equalsIgnoreCase(extension)) {
return true;
}
}
}
return false;
}
/**
* Get the RuleChainVisitor implementation class used when visiting the AST
* structure for this Rules for this Language.
* @return The RuleChainVisitor class.
* @see RuleChainVisitor
*/
public Class<?> getRuleChainVisitorClass() {
return ruleChainVisitorClass;
}
/**
* Gets the list of supported LanguageVersion for this Language.
* @return The LanguageVersion for this Language.
*/
public List<LanguageVersion> getVersions() {
return versions;
}
/**
* Get the current PMD defined default LanguageVersion for this Language.
* This is an arbitrary choice made by the PMD product, and can change
* between PMD releases. Every Language has a default version.
* @return The current default LanguageVersion for this Language.
*/
public LanguageVersion getDefaultVersion() {
init();
for (LanguageVersion version : getVersions()) {
if (version.isDefaultVersion()) {
return version;
}
}
throw new IllegalStateException("No default LanguageVersion configured for " + this);
}
/**
* Get the LanguageVersion for the version string from this Language.
* @param version The language version string.
* @return The corresponding LanguageVersion, <code>null</code> if the
* version string is not recognized.
*/
public LanguageVersion getVersion(String version) {
init();
for (LanguageVersion languageVersion : getVersions()) {
if (languageVersion.getVersion().equals(version)) {
return languageVersion;
}
}
return null;
}
/**
* A friendly String form of the Language.
*/
@Override
public String toString() {
return "Language [" + name + "]";
}
/**
* A utility method to find the Languages which have Rule support.
* @return A List of Languages with Rule support.
*/
public static List<Language> findWithRuleSupport() {
List<Language> languages = new ArrayList<Language>();
for (Language language : Language.values()) {
if (language.getRuleChainVisitorClass() != null) {
languages.add(language);
}
}
return languages;
}
/**
* A utility method to find the Languages which are associated with
* the given file extension.
* @param extension The file extension.
* @return A List of Languages which handle the extension.
*/
public static List<Language> findByExtension(String extension) {
List<Language> languages = new ArrayList<Language>();
for (Language language : Language.values()) {
if (language.hasExtension(extension)) {
languages.add(language);
}
}
return languages;
}
/**
* A utility method to find the Language associated with the given
* terse name.
* @param terseName The Language terse name.
* @return The Language with this terse name, <code>null</code> if there is
* no Language with this terse name.
*/
public static Language findByTerseName(String terseName) {
for (Language language : Language.values()) {
if (language.getTerseName().equals(terseName)) {
return language;
}
}
return null;
}
/**
* Return a comma separated list of Language terse names.
* @param languages The languages.
* @return Comma separated terse names.
*/
public static String commaSeparatedTerseNames(List<Language> languages) {
StringBuilder builder = new StringBuilder();
for (Language language : languages) {
if (builder.length() > 0) {
builder.append(", ");
}
builder.append(language.getTerseName());
}
return builder.toString();
}
private static void init() {
// Force initialization of the LanguageVersion enum.
// This must be done before the versions can be accessed on this enum.
LanguageVersion.values();
}
}
The table below shows all metrics for Language.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 38.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 112.00 | Comment lines | |
| COMMENT_DENSITY | 1.05 | Comment density | |
| COMPARISONS | 15.00 | Number of comparison operators | |
| CYCLOMATIC | 31.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 18.00 | Comments in declarations | |
| DOC_COMMENT | 107.00 | Number of javadoc comment lines | |
| ELOC | 107.00 | Effective lines of code | |
| EXEC_COMMENTS | 2.00 | Comments in executable code | |
| EXITS | 21.00 | Procedure exits | |
| FUNCTIONS | 16.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 41.79 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 35.00 | 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 | 1.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | 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 | 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 | 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 | 120.00 | 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 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 2.00 | 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 | 278.00 | Number of lines in the source file | |
| LINE_COMMENT | 5.00 | Number of line comments | |
| LOC | 144.00 | Lines of code | |
| LOGICAL_LINES | 56.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 303.00 | Number of operands | |
| OPERATORS | 627.00 | Number of operators | |
| PARAMS | 10.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 930.00 | Halstead program length | |
| PROGRAM_VOCAB | 185.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 25.00 | Number of return points from functions | |
| SIZE | 9643.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 145.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 40.00 | Number of unique operators | |
| WHITESPACE | 22.00 | Number of whitespace lines | |