JavaPrinter.java
| Index Score | ||
|---|---|---|
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de.hunsicker.jalopy.printer |
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Jalopy |
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 | |
|---|---|---|
| JAVA0130 | JAVA0130 Non-static method does not use instance fields |  |
| LOOPS | Number of loops | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| CYCLOMATIC | Cyclomatic complexity | |
| SIZE | Size of the file in bytes | |
| LOC | Lines of code | |
| JAVA0287 | JAVA0287 Unnecessary null check | |
| DECL_COMMENTS | Comments in declarations | |
| LINES | Number of lines in the source file | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| EXEC_COMMENTS | Comments in executable code | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0111 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| NEST_DEPTH | Maximum nesting depth | |
| JAVA0094 | JAVA0094 Field hides a superclass field | |
| PROGRAM_VOLUME | Halstead program volume | |
| EXITS | Procedure exits | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| PROGRAM_LENGTH | Halstead program length | |
| OPERATORS | Number of operators | |
| ELOC | Effective lines of code | |
| OPERANDS | Number of operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| BLOCKS | Number of blocks | |
| COMPARISONS | Number of comparison operators | |
| JAVA0009 | JAVA0009 Protected member in final class | |
| LINE_COMMENT | Number of line comments | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* Copyright (c) 2001-2002, Marco Hunsicker. All rights reserved.
*
* This software is distributable under the BSD license. See the terms of the
* BSD license in the documentation provided with this software.
*/
package de.hunsicker.jalopy.printer;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import antlr.CommonHiddenStreamToken;
import antlr.collections.AST;
import de.hunsicker.jalopy.language.JavaNodeHelper;
import de.hunsicker.jalopy.language.antlr.ExtendedToken;
import de.hunsicker.jalopy.language.antlr.JavaNode;
import de.hunsicker.jalopy.language.antlr.JavaTokenTypes;
import de.hunsicker.jalopy.storage.Convention;
import de.hunsicker.jalopy.storage.ConventionDefaults;
import de.hunsicker.jalopy.storage.ConventionKeys;
import de.hunsicker.jalopy.storage.Environment;
import de.hunsicker.jalopy.storage.History;
import de.hunsicker.util.StringHelper;
/**
* Printer for a Java AST.
*
* @author <a href="http://jalopy.sf.net/contact.html">Marco Hunsicker</a>
* @version $Revision: 1.9 $
*/
final class JavaPrinter
extends AbstractPrinter
{
//~ Static variables/initializers ----------------------------------------------------
/** The empty string array. */
private static final String[] EMPTY_STRING_ARRAY = new String[0];
/** Singleton. */
private static final Printer INSTANCE = new JavaPrinter();
private static final String DELIMETER = "|" /* NOI18N */;
//~ Constructors ---------------------------------------------------------------------
/**
* Creates a new JavaPrinter object.
*/
protected JavaPrinter()
{
}
//~ Methods --------------------------------------------------------------------------
/**
* Returns the sole instance of this class.
*
* @return the sole instance of this class.
*/
public static final Printer getInstance()
{
return INSTANCE;
}
/**
* {@inheritDoc}
*/
public void print(
AST node,
NodeWriter out)
throws IOException
{
out.environment.set(
Environment.Variable.CONVENTION.getName(),
AbstractPrinter.settings.get(
ConventionKeys.CONVENTION_NAME, ConventionDefaults.CONVENTION_NAME));
try
{
History.Policy historyPolicy =
History.Policy.valueOf(
AbstractPrinter.settings.get(
ConventionKeys.HISTORY_POLICY, ConventionDefaults.HISTORY_POLICY));
boolean useCommentHistory = (historyPolicy == History.Policy.COMMENT);
boolean useHeader = AbstractPrinter.settings.getBoolean(ConventionKeys.HEADER, false);
boolean ignoreHeaderIfExists = AbstractPrinter.settings.getBoolean(ConventionKeys.HEADER_IGNORE_IF_EXISTS, true);
if (((useHeader) && ( ! ignoreHeaderIfExists)) || useCommentHistory)
{
removeHeader(node, useCommentHistory);
}
if (useHeader)
{
if (( ! ignoreHeaderIfExists) || ( ! headerExists(node))) {
printHeader(out);
}
}
boolean useFooter =
AbstractPrinter.settings.getBoolean(
ConventionKeys.FOOTER, ConventionDefaults.FOOTER);
boolean ignoreFooterIfExists = AbstractPrinter.settings.getBoolean(ConventionKeys.FOOTER_IGNORE_IF_EXISTS, true);
if (useFooter && ( ! ignoreFooterIfExists))
{
removeFooter(node);
}
for (
AST child = node.getFirstChild(); child != null;
child = child.getNextSibling())
{
PrinterFactory.create(child, out).print(child, out);
}
if (useFooter)
{
if (( ! ignoreFooterIfExists) || ( ! footerExists(node))) {
printFooter(out);
}
}
}
finally
{
out.environment.unset(Environment.Variable.CONVENTION.getName());
}
}
/**
* Returns the identify keys as stored in the code convention.
*
* @param key code convention key.
*
* @return identify keys. If no keys are stored, an empty array will be returned.
*/
private String[] getConventionKeys(Convention.Key key)
{
List keys = new ArrayList();
String str = AbstractPrinter.settings.get(key, EMPTY_STRING);
for (
StringTokenizer tokens = new StringTokenizer(str, DELIMETER);
tokens.hasMoreElements();)
{
keys.add(tokens.nextElement());
}
return (String[]) keys.toArray(EMPTY_STRING_ARRAY);
}
/**
* Returns the last node of the Java AST.
*
* @param root root node the AST
*
* @return the last node of the AST.
*
* @throws IllegalStateException DOCUMENT ME!
*
* @since 1.0b9
*/
private JavaNode getLastElement(AST root)
{
for (
AST declaration = root.getFirstChild(); declaration != null;
declaration = declaration.getNextSibling())
{
// last top-level declaration
if (declaration.getNextSibling() == null)
{
switch (declaration.getType())
{
case JavaTokenTypes.CLASS_DEF :
case JavaTokenTypes.INTERFACE_DEF :
AST block =
JavaNodeHelper.getFirstChild(
declaration, JavaTokenTypes.OBJBLOCK);
for (
AST element = block.getFirstChild(); element != null;
element = element.getNextSibling())
{
// last RCURLY
if (element.getNextSibling() == null)
{
switch (element.getType())
{
case JavaTokenTypes.RCURLY :
return (JavaNode) element;
}
}
}
break;
case JavaTokenTypes.SEMI :
case JavaTokenTypes.EOF :
return (JavaNode) declaration;
case JavaTokenTypes.PACKAGE_DEF :
case JavaTokenTypes.IMPORT :
/**
* TODO implement ??
*/
return (JavaNode) declaration;
}
}
}
throw new IllegalStateException("invalid AST -- " + root);
}
/**
* Prints the footer.
*
* @param out stream to write to.
*
* @throws IOException if an I/O error occured.
*/
private void printFooter(NodeWriter out)
throws IOException
{
String text =
out.environment.interpolate(
AbstractPrinter.settings.get(ConventionKeys.FOOTER_TEXT, EMPTY_STRING));
String[] footer = StringHelper.split(text, DELIMETER);
if (footer.length > 0)
{
switch (out.last)
{
case JavaTokenTypes.RCURLY :
case JavaTokenTypes.OBJBLOCK :
case JavaTokenTypes.CLASS_DEF :
case JavaTokenTypes.INTERFACE_DEF :
// print one extra after the last curly brace of a file
out.printNewline();
break;
}
out.printBlankLines(
AbstractPrinter.settings.getInt(
ConventionKeys.BLANK_LINES_BEFORE_FOOTER,
ConventionDefaults.BLANK_LINES_BEFORE_FOOTER));
for (int i = 0; i < footer.length; i++)
{
out.print(footer[i], JavaTokenTypes.ML_COMMENT);
if (i < (footer.length - 1))
{
out.printNewline();
}
}
int blankLinesAfter =
AbstractPrinter.settings.getInt(
ConventionKeys.BLANK_LINES_AFTER_FOOTER,
ConventionDefaults.BLANK_LINES_AFTER_FOOTER);
// always print at least one empty line to be in sync with the
// Java specs in case the footer consists of several single-line
// comments
if (blankLinesAfter == 0)
{
blankLinesAfter = 1;
}
out.printBlankLines(blankLinesAfter);
}
}
/**
* Prints the header.
*
* @param out stream to write to.
*
* @throws IOException if an I/O error occured.
*/
private void printHeader(NodeWriter out)
throws IOException
{
String text =
out.environment.interpolate(
AbstractPrinter.settings.get(ConventionKeys.HEADER_TEXT, EMPTY_STRING));
String[] header = StringHelper.split(text, DELIMETER);
if (header.length > 0)
{
out.printBlankLines(
AbstractPrinter.settings.getInt(
ConventionKeys.BLANK_LINES_BEFORE_HEADER,
ConventionDefaults.BLANK_LINES_BEFORE_HEADER));
for (int i = 0; i < header.length; i++)
{
out.print(header[i], JavaTokenTypes.ML_COMMENT);
out.printNewline();
}
out.printBlankLines(
AbstractPrinter.settings.getInt(
ConventionKeys.BLANK_LINES_AFTER_HEADER,
ConventionDefaults.BLANK_LINES_AFTER_HEADER));
out.last = JavaTokenTypes.ML_COMMENT;
}
}
/**
* Removes the footer. The footer is actually the JavaTokenTyps.EOF node.
* Comments are actually before this node not after it.
*
* @param root the root node of the Java AST.
*
* @since 1.0b8
*/
private void removeFooter(AST root)
{
JavaNode eofNode = getLastElement(root);
if (eofNode.hasCommentsBefore())
{
String[] keys = getConventionKeys(ConventionKeys.FOOTER_KEYS);
int count = 0;
int smartModeLines =
AbstractPrinter.settings.getInt(ConventionKeys.FOOTER_SMART_MODE_LINES, 0);
boolean smartMode = smartModeLines > 0;
for (
CommonHiddenStreamToken comment = eofNode.getHiddenBefore();
comment != null; comment = comment.getHiddenBefore())
{
switch (comment.getType())
{
case JavaTokenTypes.SL_COMMENT :
case JavaTokenTypes.SPECIAL_COMMENT :
case JavaTokenTypes.SEPARATOR_COMMENT :
if (smartMode && (count < smartModeLines))
{
removeFooterComment(comment, eofNode);
}
count++;
break;
default :
for (int j = 0; j < keys.length; j++)
{
if (comment.getText().indexOf(keys[j]) > -1)
{
removeFooterComment(comment, eofNode);
}
}
break;
}
}
}
}
/**
* Removes the given footer comment from the given node.
*
* @param comment a comment token.
* @param node a tree node.
*/
private void removeFooterComment(
CommonHiddenStreamToken comment,
JavaNode node)
{
CommonHiddenStreamToken before = comment.getHiddenBefore();
CommonHiddenStreamToken after = comment.getHiddenAfter();
if (after != null)
{
((ExtendedToken)after).setHiddenBefore(before);
if (before != null)
{
((ExtendedToken)before).setHiddenAfter(after);
}
else
{
// we've just removed the first comment after the RCURLY so add
// the following as the new starting one
node.setHiddenBefore(after);
}
}
else if ((before != null) && (comment != node.getHiddenAfter()))
{
((ExtendedToken)before).setHiddenAfter(after);
if (after != null)
{
((ExtendedToken)after).setHiddenBefore(before);
}
}
else
{
// it was the first comment
node.setHiddenBefore(null);
}
//((ExtendedToken)comment).setHiddenBefore(null);
}
/**
* Checks if the footer exists.
* @param root the root node of the tree.
* @return true if the Footer comment was found, false if it was not
*/
private boolean footerExists(AST root)
{
//This could be enhanced with checking if "footer keys" are here.
JavaNode eofNode = getLastElement(root);
return eofNode.hasCommentsBefore();
}
/**
* Checks if the header exists.
* @param node the root node of the tree.
* @return true if the Header comment was found, false if it was not
*/
private boolean headerExists(AST node)
{
//This could be enhanced with checking if "header keys" are here.
JavaNode first = (JavaNode) node.getFirstChild();
return first.hasCommentsBefore();
}
/**
* Removes the header. This method removes both our 'magic' header and the user
* header, if any.
*
* @param node the root node of the tree.
*
* @return true if the Header comment was removed, false if it was not
* @since 1.0b8
*/
private void removeHeader(AST node, boolean useCommentHistory)
{
JavaNode first = (JavaNode) node.getFirstChild();
String[] keys = getConventionKeys(ConventionKeys.HEADER_KEYS);
int smartModeLines =
AbstractPrinter.settings.getInt(
ConventionKeys.HEADER_SMART_MODE_LINES,
ConventionDefaults.HEADER_SMART_MODE_LINES);
boolean smartMode = (smartModeLines > 0);
int count = 0;
for (
CommonHiddenStreamToken token = first.getHiddenBefore(); token != null;
token = token.getHiddenBefore())
{
if (token.getHiddenBefore() == null)
{
for (
CommonHiddenStreamToken comment = token;
(comment != null) && (count <= smartModeLines);
comment = comment.getHiddenAfter())
{
switch (comment.getType())
{
case JavaTokenTypes.ML_COMMENT :
case JavaTokenTypes.JAVADOC_COMMENT :
for (int j = 0; j < keys.length; j++)
{
if (comment.getText().indexOf(keys[j]) > -1)
{
removeHeaderComment(comment, first);
}
}
break;
case JavaTokenTypes.SL_COMMENT :
/**
* TODO this isn't really fool-proof?
*/
if (comment.getText().indexOf('%') > -1)
{
removeHeaderComment(comment, first);
}
else if (smartMode && (count < smartModeLines))
{
removeHeaderComment(comment, first);
}
break;
}
count++;
}
break;
}
}
}
/**
* Removes the given header comment from the given node.
*
* @param comment a comment token.
* @param node a tree node.
*/
private void removeHeaderComment(
CommonHiddenStreamToken comment,
JavaNode node)
{
CommonHiddenStreamToken before = comment.getHiddenBefore();
CommonHiddenStreamToken after = comment.getHiddenAfter();
if (after != null)
{
((ExtendedToken)after).setHiddenBefore(before);
if (before != null)
{
((ExtendedToken)before).setHiddenAfter(after);
}
}
else if (before != null)
{
((ExtendedToken)before).setHiddenAfter(after);
if (after != null)
{
((ExtendedToken)after).setHiddenBefore(before);
}
}
else
{
// it was the first comment
if (comment == node.getHiddenBefore())
{
node.setHiddenBefore(null);
}
}
}
}
The table below shows all metrics for JavaPrinter.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 57.00 | Number of blocks | |
| BLOCK_COMMENT | 6.00 | Number of block comment lines | |
| COMMENTS | 118.00 | Comment lines | |
| COMMENT_DENSITY | 0.50 | Comment density | |
| COMPARISONS | 40.00 | Number of comparison operators | |
| CYCLOMATIC | 79.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 20.00 | Comments in declarations | |
| DOC_COMMENT | 96.00 | Number of javadoc comment lines | |
| ELOC | 238.00 | Effective lines of code | |
| EXEC_COMMENTS | 12.00 | Comments in executable code | |
| EXITS | 44.00 | Procedure exits | |
| FUNCTIONS | 13.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 85.77 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 43.00 | 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 | 1.00 | 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 | 4.00 | 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 | 1.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | 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 | 1.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 1.00 | 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 | 7.00 | 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 | 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 | 1.00 | 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 | 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 | 3.00 | 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 | 2.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 561.00 | Number of lines in the source file | |
| LINE_COMMENT | 16.00 | Number of line comments | |
| LOC | 362.00 | Lines of code | |
| LOGICAL_LINES | 124.00 | Number of statements | |
| LOOPS | 11.00 | Number of loops | |
| NEST_DEPTH | 6.00 | Maximum nesting depth | |
| OPERANDS | 669.00 | Number of operands | |
| OPERATORS | 1251.00 | Number of operators | |
| PARAMS | 15.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1920.00 | Halstead program length | |
| PROGRAM_VOCAB | 245.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 28.00 | Number of return points from functions | |
| SIZE | 17510.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 195.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 50.00 | Number of unique operators | |
| WHITESPACE | 81.00 | Number of whitespace lines | |