JavaConventions.java
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net.sourceforge.phpdt.core |
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PHPeclipse |
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 |  |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| SIZE | Size of the file in bytes | |
| COMPARISONS | Number of comparison operators | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| RETURNS | Number of return points from functions | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LINES | Number of lines in the source file | |
| JAVA0143 | JAVA0143 Synchronized method | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| CYCLOMATIC | Cyclomatic complexity | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| LOOPS | Number of loops | |
| BLOCKS | Number of blocks | |
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package net.sourceforge.phpdt.core;
import java.util.StringTokenizer;
import net.sourceforge.phpdt.core.compiler.CharOperation;
import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
import net.sourceforge.phpdt.core.compiler.InvalidInputException;
import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
import net.sourceforge.phpdt.internal.core.ClasspathEntry;
import net.sourceforge.phpdt.internal.core.JavaModelStatus;
import net.sourceforge.phpdt.internal.core.util.Util;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
/**
* Provides methods for checking Java-specific conventions such as name syntax.
* <p>
* This class provides static methods and constants only; it is not intended to
* be instantiated or subclassed by clients.
* </p>
*/
public final class JavaConventions {
private final static char DOT = '.';
private final static Scanner SCANNER = new Scanner();
private JavaConventions() {
// Not instantiable
}
/**
* Returns whether the given package fragment root paths are considered to
* overlap.
* <p>
* Two root paths overlap if one is a prefix of the other, or they point to
* the same location. However, a JAR is allowed to be nested in a root.
*
* @param rootPath1
* the first root path
* @param rootPath2
* the second root path
* @return true if the given package fragment root paths are considered to
* overlap, false otherwise
* @deprecated Overlapping roots are allowed in 2.1
*/
public static boolean isOverlappingRoots(IPath rootPath1, IPath rootPath2) {
if (rootPath1 == null || rootPath2 == null) {
return false;
}
// String extension1 = rootPath1.getFileExtension();
// String extension2 = rootPath2.getFileExtension();
// if (extension1 != null &&
// (extension1.equalsIgnoreCase(SuffixConstants.EXTENSION_JAR) ||
// extension1.equalsIgnoreCase(SuffixConstants.EXTENSION_ZIP))) {
// return false;
// }
// if (extension2 != null &&
// (extension2.equalsIgnoreCase(SuffixConstants.EXTENSION_JAR) ||
// extension2.equalsIgnoreCase(SuffixConstants.EXTENSION_ZIP))) {
// return false;
// }
return rootPath1.isPrefixOf(rootPath2)
|| rootPath2.isPrefixOf(rootPath1);
}
/*
* Returns the current identifier extracted by the scanner (without unicode
* escapes) from the given id. Returns <code>null</code> if the id was not
* valid
*/
private static synchronized char[] scannedIdentifier(String id) {
if (id == null) {
return null;
}
String trimmed = id.trim();
if (!trimmed.equals(id)) {
return null;
}
try {
SCANNER.setSource(id.toCharArray());
int token = SCANNER.getNextToken();
char[] currentIdentifier;
try {
currentIdentifier = SCANNER.getCurrentIdentifierSource();
} catch (ArrayIndexOutOfBoundsException e) {
return null;
}
int nextToken = SCANNER.getNextToken();
if (token == ITerminalSymbols.TokenNameIdentifier
&& nextToken == ITerminalSymbols.TokenNameEOF
&& SCANNER.startPosition == SCANNER.source.length) { // to
// handle
// case
// where
// we
// had
// an
// ArrayIndexOutOfBoundsException
// while reading the last token
return currentIdentifier;
} else {
return null;
}
} catch (InvalidInputException e) {
return null;
}
}
/**
* Validate the given compilation unit name. A compilation unit name must
* obey the following rules:
* <ul>
* <li> it must not be null
* <li> it must include the <code>".java"</code> suffix
* <li> its prefix must be a valid identifier
* <li> it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
* </ul>
* </p>
*
* @param name
* the name of a compilation unit
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a compilation unit name, otherwise a status
* object indicating what is wrong with the name
*/
public static IStatus validateCompilationUnitName(String name) {
if (name == null) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.unit.nullName"), null); //$NON-NLS-1$
}
if (!net.sourceforge.phpdt.internal.compiler.util.Util
.isJavaFileName(name)) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.unit.notJavaName"), null); //$NON-NLS-1$
}
String identifier;
int index;
index = name.lastIndexOf('.');
if (index == -1) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.unit.notJavaName"), null); //$NON-NLS-1$
}
identifier = name.substring(0, index);
// JSR-175 metadata strongly recommends "package-info.java" as the
// file in which to store package annotations and
// the package-level spec (replaces package.html)
if (!identifier.equals("package-info")) { //$NON-NLS-1$
IStatus status = validateIdentifier(identifier);
if (!status.isOK()) {
return status;
}
}
IStatus status = ResourcesPlugin.getWorkspace().validateName(name,
IResource.FILE);
if (!status.isOK()) {
return status;
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* Validate the given .class file name. A .class file name must obey the
* following rules:
* <ul>
* <li> it must not be null
* <li> it must include the <code>".class"</code> suffix
* <li> its prefix must be a valid identifier
* <li> it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
* </ul>
* </p>
*
* @param name
* the name of a .class file
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a .class file name, otherwise a status object
* indicating what is wrong with the name
* @since 2.0
*/
// public static IStatus validateClassFileName(String name) {
// if (name == null) {
// return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1,
// Util.bind("convention.classFile.nullName"), null); //$NON-NLS-1$
// }
// if
// (!net.sourceforge.phpdt.internal.compiler.util.Util.isClassFileName(name))
// {
// return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1,
// Util.bind("convention.classFile.notClassFileName"), null); //$NON-NLS-1$
// }
// String identifier;
// int index;
// index = name.lastIndexOf('.');
// if (index == -1) {
// return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1,
// Util.bind("convention.classFile.notClassFileName"), null); //$NON-NLS-1$
// }
// identifier = name.substring(0, index);
// IStatus status = validateIdentifier(identifier);
// if (!status.isOK()) {
// return status;
// }
// status = ResourcesPlugin.getWorkspace().validateName(name,
// IResource.FILE);
// if (!status.isOK()) {
// return status;
// }
// return JavaModelStatus.VERIFIED_OK;
// }
/**
* Validate the given field name.
* <p>
* Syntax of a field name corresponds to VariableDeclaratorId (JLS2 8.3).
* For example, <code>"x"</code>.
*
* @param name
* the name of a field
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a field name, otherwise a status object
* indicating what is wrong with the name
*/
public static IStatus validateFieldName(String name) {
return validateIdentifier(name);
}
/**
* Validate the given Java identifier. The identifier must not have the same
* spelling as a Java keyword, boolean literal (<code>"true"</code>,
* <code>"false"</code>), or null literal (<code>"null"</code>). See
* section 3.8 of the <em>Java Language Specification, Second Edition</em>
* (JLS2). A valid identifier can act as a simple type name, method name or
* field name.
*
* @param id
* the Java identifier
* @return a status object with code <code>IStatus.OK</code> if the given
* identifier is a valid Java identifier, otherwise a status object
* indicating what is wrong with the identifier
*/
public static IStatus validateIdentifier(String id) {
if (scannedIdentifier(id) != null) {
return JavaModelStatus.VERIFIED_OK;
} else {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util.bind(
"convention.illegalIdentifier", id), null); //$NON-NLS-1$
}
}
/**
* Validate the given import declaration name.
* <p>
* The name of an import corresponds to a fully qualified type name or an
* on-demand package name as defined by ImportDeclaration (JLS2 7.5). For
* example, <code>"java.util.*"</code> or
* <code>"java.util.Hashtable"</code>.
*
* @param name
* the import declaration
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as an import declaration, otherwise a status object
* indicating what is wrong with the name
*/
public static IStatus validateImportDeclaration(String name) {
if (name == null || name.length() == 0) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.import.nullImport"), null); //$NON-NLS-1$
}
if (name.charAt(name.length() - 1) == '*') {
if (name.charAt(name.length() - 2) == '.') {
return validatePackageName(name.substring(0, name.length() - 2));
} else {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.import.unqualifiedImport"), null); //$NON-NLS-1$
}
}
return validatePackageName(name);
}
/**
* Validate the given Java type name, either simple or qualified. For
* example, <code>"java.lang.Object"</code>, or <code>"Object"</code>.
* <p>
*
* @param name
* the name of a type
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a Java type name, a status with code
* <code>IStatus.WARNING</code> indicating why the given name is
* discouraged, otherwise a status object indicating what is wrong
* with the name
*/
public static IStatus validateJavaTypeName(String name) {
if (name == null) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.type.nullName"), null); //$NON-NLS-1$
}
String trimmed = name.trim();
if (!name.equals(trimmed)) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.type.nameWithBlanks"), null); //$NON-NLS-1$
}
int index = name.lastIndexOf('.');
char[] scannedID;
if (index == -1) {
// simple name
scannedID = scannedIdentifier(name);
} else {
// qualified name
String pkg = name.substring(0, index).trim();
IStatus status = validatePackageName(pkg);
if (!status.isOK()) {
return status;
}
String type = name.substring(index + 1).trim();
scannedID = scannedIdentifier(type);
}
if (scannedID != null) {
IStatus status = ResourcesPlugin.getWorkspace().validateName(
new String(scannedID), IResource.FILE);
if (!status.isOK()) {
return status;
}
if (CharOperation.contains('$', scannedID)) {
return new Status(IStatus.WARNING, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.type.dollarName"), null); //$NON-NLS-1$
}
if ((scannedID.length > 0 && Character.isLowerCase(scannedID[0]))) {
return new Status(IStatus.WARNING, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.type.lowercaseName"), null); //$NON-NLS-1$
}
return JavaModelStatus.VERIFIED_OK;
} else {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util.bind(
"convention.type.invalidName", name), null); //$NON-NLS-1$
}
}
/**
* Validate the given method name. The special names "<init>" and
* "<clinit>" are not valid.
* <p>
* The syntax for a method name is defined by Identifier of MethodDeclarator
* (JLS2 8.4). For example "println".
*
* @param name
* the name of a method
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a method name, otherwise a status object
* indicating what is wrong with the name
*/
public static IStatus validateMethodName(String name) {
return validateIdentifier(name);
}
/**
* Validate the given package name.
* <p>
* The syntax of a package name corresponds to PackageName as defined by
* PackageDeclaration (JLS2 7.4). For example, <code>"java.lang"</code>.
* <p>
* Note that the given name must be a non-empty package name (that is,
* attempting to validate the default package will return an error status.)
* Also it must not contain any characters or substrings that are not valid
* on the file system on which workspace root is located.
*
* @param name
* the name of a package
* @return a status object with code <code>IStatus.OK</code> if the given
* name is valid as a package name, otherwise a status object
* indicating what is wrong with the name
*/
public static IStatus validatePackageName(String name) {
if (name == null) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.package.nullName"), null); //$NON-NLS-1$
}
int length;
if ((length = name.length()) == 0) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.package.emptyName"), null); //$NON-NLS-1$
}
if (name.charAt(0) == DOT || name.charAt(length - 1) == DOT) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.package.dotName"), null); //$NON-NLS-1$
}
if (CharOperation.isWhitespace(name.charAt(0))
|| CharOperation.isWhitespace(name.charAt(name.length() - 1))) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.package.nameWithBlanks"), null); //$NON-NLS-1$
}
int dot = 0;
while (dot != -1 && dot < length - 1) {
if ((dot = name.indexOf(DOT, dot + 1)) != -1 && dot < length - 1
&& name.charAt(dot + 1) == DOT) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.package.consecutiveDotsName"), null); //$NON-NLS-1$
}
}
IWorkspace workspace = ResourcesPlugin.getWorkspace();
StringTokenizer st = new StringTokenizer(name, new String(
new char[] { DOT }));
boolean firstToken = true;
IStatus warningStatus = null;
while (st.hasMoreTokens()) {
String typeName = st.nextToken();
typeName = typeName.trim(); // grammar allows spaces
char[] scannedID = scannedIdentifier(typeName);
if (scannedID == null) {
return new Status(IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Util
.bind("convention.illegalIdentifier", typeName), null); //$NON-NLS-1$
}
IStatus status = workspace.validateName(new String(scannedID),
IResource.FOLDER);
if (!status.isOK()) {
return status;
}
if (firstToken && scannedID.length > 0
&& Character.isUpperCase(scannedID[0])) {
if (warningStatus == null) {
warningStatus = new Status(IStatus.WARNING,
JavaCore.PLUGIN_ID, -1,
Util.bind("convention.package.uppercaseName"), null); //$NON-NLS-1$
}
}
firstToken = false;
}
if (warningStatus != null) {
return warningStatus;
}
return JavaModelStatus.VERIFIED_OK;
}
/**
* Validate a given classpath and output location for a project, using the
* following rules:
* <ul>
* <li> Classpath entries cannot collide with each other; that is, all entry
* paths must be unique.
* <li> The project output location path cannot be null, must be absolute
* and located inside the project.
* <li> Specific output locations (specified on source entries) can be null,
* if not they must be located inside the project,
* <li> A project entry cannot refer to itself directly (that is, a project
* cannot prerequisite itself).
* <li> Classpath entries or output locations cannot coincidate or be nested
* in each other, except for the following scenarii listed below:
* <ul>
* <li> A source folder can coincidate with its own output location, in
* which case this output can then contain library archives. However, a
* specific output location cannot coincidate with any library or a distinct
* source folder than the one referring to it. </li>
* <li> A source/library folder can be nested in any source folder as long
* as the nested folder is excluded from the enclosing one. </li>
* <li> An output location can be nested in a source folder, if the source
* folder coincidates with the project itself, or if the output location is
* excluded from the source folder.
* </ul>
* </ul>
*
* Note that the classpath entries are not validated automatically. Only
* bound variables or containers are considered in the checking process
* (this allows to perform a consistency check on a classpath which has
* references to yet non existing projects, folders, ...).
* <p>
* This validation is intended to anticipate classpath issues prior to
* assigning it to a project. In particular, it will automatically be
* performed during the classpath setting operation (if validation fails,
* the classpath setting will not complete).
* <p>
*
* @param javaProject
* the given java project
* @param rawClasspath
* the given classpath
* @param projectOutputLocation
* the given output location
* @return a status object with code <code>IStatus.OK</code> if the given
* classpath and output location are compatible, otherwise a status
* object indicating what is wrong with the classpath or output
* location
* @since 2.0
*/
public static IJavaModelStatus validateClasspath(IJavaProject javaProject,
IClasspathEntry[] rawClasspath, IPath projectOutputLocation) {
return ClasspathEntry.validateClasspath(javaProject, rawClasspath,
projectOutputLocation);
}
/**
* Returns a Java model status describing the problem related to this
* classpath entry if any, a status object with code <code>IStatus.OK</code>
* if the entry is fine (that is, if the given classpath entry denotes a
* valid element to be referenced onto a classpath).
*
* @param project
* the given java project
* @param entry
* the given classpath entry
* @param checkSourceAttachment
* a flag to determine if source attachement should be checked
* @return a java model status describing the problem related to this
* classpath entry if any, a status object with code
* <code>IStatus.OK</code> if the entry is fine
* @since 2.0
*/
public static IJavaModelStatus validateClasspathEntry(IJavaProject project,
IClasspathEntry entry, boolean checkSourceAttachment) {
return ClasspathEntry.validateClasspathEntry(project, entry,
checkSourceAttachment, true/* recurse in container */);
}
}
The table below shows all metrics for JavaConventions.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 55.00 | Number of blocks | |
| BLOCK_COMMENT | 5.00 | Number of block comment lines | |
| COMMENTS | 280.00 | Comment lines | |
| COMMENT_DENSITY | 1.55 | Comment density | |
| COMPARISONS | 51.00 | Number of comparison operators | |
| CYCLOMATIC | 61.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 15.00 | Comments in declarations | |
| DOC_COMMENT | 219.00 | Number of javadoc comment lines | |
| ELOC | 181.00 | Effective lines of code | |
| EXEC_COMMENTS | 6.00 | Comments in executable code | |
| EXITS | 30.00 | Procedure exits | |
| FUNCTIONS | 12.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 78.58 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 58.00 | 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 | 1.00 | 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 | 2.00 | 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 | 1.00 | 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 | 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 | 1.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 1010.00 | 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 | 5.00 | 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 | 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 | 532.00 | Number of lines in the source file | |
| LINE_COMMENT | 56.00 | Number of line comments | |
| LOC | 230.00 | Lines of code | |
| LOGICAL_LINES | 91.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 609.00 | Number of operands | |
| OPERATORS | 1153.00 | Number of operators | |
| PARAMS | 16.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1762.00 | Halstead program length | |
| PROGRAM_VOCAB | 195.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 42.00 | Number of return points from functions | |
| SIZE | 19778.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 155.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 40.00 | Number of unique operators | |
| WHITESPACE | 22.00 | Number of whitespace lines | |