StringUtil.java
| Index Score | ||
|---|---|---|
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net.sourceforge.pmd.util |
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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 | |
|---|---|---|
| LOOPS | Number of loops |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0076 | JAVA0076 Use of magic number | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0071 | JAVA0071 Strings compared with == | |
| COMPARISONS | Number of comparison operators | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0259 | JAVA0259 Return of collection/array field | |
| PARAMS | Number of formal parameter declarations | |
| EXEC_COMMENTS | Comments in executable code | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LINE_COMMENT | Number of line comments | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| UNIQUE_OPERATORS | Number of unique operators | |
| NEST_DEPTH | Maximum nesting depth | |
| WHITESPACE | Number of whitespace lines | |
/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.util;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class StringUtil {
public static final String[] EMPTY_STRINGS = new String[0];
private static final boolean SUPPORTS_UTF8 = System.getProperty("net.sourceforge.pmd.supportUTF8", "no").equals("yes");
private static final String[] ENTITIES;
static {
ENTITIES = new String[256 - 126];
for (int i = 126; i <= 255; i++) {
ENTITIES[i - 126] = "&#" + i + ';';
}
}
public static String replaceString(String original, char oldChar, String newString) {
String fixedNew = newString == null ? "" : newString;
StringBuffer desc = new StringBuffer();
int index = original.indexOf(oldChar);
int last = 0;
while (index != -1) {
desc.append(original.substring(last, index));
desc.append(fixedNew);
last = index + 1;
index = original.indexOf(oldChar, last);
}
desc.append(original.substring(last));
return desc.toString();
}
public static String replaceString(String original, String oldString, String newString) {
String fixedNew = newString == null ? "" : newString;
StringBuffer desc = new StringBuffer();
int index = original.indexOf(oldString);
int last = 0;
while (index != -1) {
desc.append(original.substring(last, index));
desc.append(fixedNew);
last = index + oldString.length();
index = original.indexOf(oldString, last);
}
desc.append(original.substring(last));
return desc.toString();
}
/**
* Appends to a StringBuffer the String src where non-ASCII and
* XML special chars are escaped.
*
* @param buf The destination XML stream
* @param src The String to append to the stream
*/
public static void appendXmlEscaped(StringBuffer buf, String src) {
appendXmlEscaped(buf, src, SUPPORTS_UTF8);
}
public static String htmlEncode(String string) {
String encoded = StringUtil.replaceString(string, '&', "&");
encoded = StringUtil.replaceString(encoded, '<', "<");
return StringUtil.replaceString(encoded, '>', ">");
}
// TODO - unify the method above with the one below
private static void appendXmlEscaped(StringBuffer buf, String src, boolean supportUTF8) {
char c;
for (int i = 0; i < src.length(); i++) {
c = src.charAt(i);
if (c > '~') {// 126
if (!supportUTF8) {
if (c <= 255) {
buf.append(ENTITIES[c - 126]);
} else {
buf.append("&u").append(Integer.toHexString(c)).append(';');
}
} else {
buf.append(c);
}
} else if (c == '&') {
buf.append("&");
} else if (c == '"') {
buf.append(""");
} else if (c == '<') {
buf.append("<");
} else if (c == '>') {
buf.append(">");
} else {
buf.append(c);
}
}
}
/**
* Parses the input source using the delimiter specified. This method is much
* faster than using the StringTokenizer or String.split(char) approach and
* serves as a replacement for String.split() for JDK1.3 that doesn't have it.
*
* FIXME - we're on JDK 1.4 now, can we replace this with String.split?
*
* @param source String
* @param delimiter char
* @return String[]
*/
public static String[] substringsOf(String source, char delimiter) {
if (source == null || source.length() == 0) {
return EMPTY_STRINGS;
}
int delimiterCount = 0;
int length = source.length();
char[] chars = source.toCharArray();
for (int i=0; i<length; i++) {
if (chars[i] == delimiter) {
delimiterCount++;
}
}
if (delimiterCount == 0) {
return new String[] { source };
}
String results[] = new String[delimiterCount+1];
int i = 0;
int offset = 0;
while (offset <= length) {
int pos = source.indexOf(delimiter, offset);
if (pos < 0) {
pos = length;
}
results[i++] = pos == offset ? "" : source.substring(offset, pos);
offset = pos + 1;
}
return results;
}
/**
* Much more efficient than StringTokenizer.
*
* @param str String
* @param separator char
* @return String[]
*/
public static String[] substringsOf(String str, String separator) {
if (str == null || str.length() == 0) {
return EMPTY_STRINGS;
}
int index = str.indexOf(separator);
if (index == -1) {
return new String[]{str};
}
List<String> list = new ArrayList<String>();
int currPos = 0;
int len = separator.length();
while (index != -1) {
list.add(str.substring(currPos, index));
currPos = index + len;
index = str.indexOf(separator, currPos);
}
list.add(str.substring(currPos));
return list.toArray(new String[list.size()]);
}
/**
* Copies the elements returned by the iterator onto the string buffer
* each delimited by the separator.
*
* @param sb StringBuffer
* @param iter Iterator
* @param separator String
*/
public static void asStringOn(StringBuffer sb, Iterator iter, String separator) {
if (!iter.hasNext()) {
return;
}
sb.append(iter.next());
while (iter.hasNext()) {
sb.append(separator);
sb.append(iter.next());
}
}
/**
* Return the length of the shortest string in the array.
* If any one of them is null then it returns 0.
*
* @param strings String[]
* @return int
*/
public static int lengthOfShortestIn(String[] strings) {
int minLength = Integer.MAX_VALUE;
for (int i=0; i<strings.length; i++) {
if (strings[i] == null) {
return 0;
}
minLength = Math.min(minLength, strings[i].length());
}
return minLength;
}
/**
* Determine the maximum number of common leading whitespace characters
* the strings share in the same sequence. Useful for determining how
* many leading characters can be removed to shift all the text in the
* strings to the left without misaligning them.
*
* @param strings String[]
* @return int
*/
public static int maxCommonLeadingWhitespaceForAll(String[] strings) {
int shortest = lengthOfShortestIn(strings);
if (shortest == 0) {
return 0;
}
char[] matches = new char[shortest];
String str;
for (int m=0; m<matches.length; m++) {
matches[m] = strings[0].charAt(m);
if (!Character.isWhitespace(matches[m])) {
return m;
}
for (int i=0; i<strings.length; i++) {
str = strings[i];
if (str.charAt(m) != matches[m]) {
return m;
}
}
}
return shortest;
}
/**
* Trims off the leading characters off the strings up to the trimDepth
* specified. Returns the same strings if trimDepth = 0
*
* @param strings
* @param trimDepth
* @return String[]
*/
public static String[] trimStartOn(String[] strings, int trimDepth) {
if (trimDepth == 0) {
return strings;
}
String[] results = new String[strings.length];
for (int i=0; i<strings.length; i++) {
results[i] = strings[i].substring(trimDepth);
}
return results;
}
/**
* Left pads a string.
* @param s The String to pad
* @param length The desired minimum length of the resulting padded String
* @return The resulting left padded String
*/
public static String lpad(String s, int length) {
String res = s;
if (length - s.length() > 0) {
char [] arr = new char[length - s.length()];
java.util.Arrays.fill(arr, ' ');
res = new StringBuffer(length).append(arr).append(s).toString();
}
return res;
}
/**
* Are the two String values the same.
* The Strings can be optionally trimmed before checking.
* The Strings can be optionally compared ignoring case.
* The Strings can be have embedded whitespace standardized before comparing.
* Two null values are treated as equal.
*
* @param s1 The first String.
* @param s2 The second String.
* @param trim Indicates if the Strings should be trimmed before comparison.
* @param ignoreCase Indicates if the case of the Strings should ignored during comparison.
* @param standardizeWhitespace Indicates if the embedded whitespace should be standardized before comparison.
* @return <code>true</code> if the Strings are the same, <code>false</code> otherwise.
*/
@SuppressWarnings("PMD.CompareObjectsWithEquals")
public static boolean isSame(String s1, String s2, boolean trim, boolean ignoreCase, boolean standardizeWhitespace) {
if (s1 == s2) {
return true;
} else if (s1 == null || s2 == null) {
return false;
} else {
if (trim) {
s1 = s1.trim();
s2 = s2.trim();
}
if (standardizeWhitespace) {
// Replace all whitespace with a standard single space character.
s1 = s1.replaceAll("\\s+", " ");
s2 = s2.replaceAll("\\s+", " ");
}
return ignoreCase ? s1.equalsIgnoreCase(s2) : s1.equals(s2);
}
}
}
The table below shows all metrics for StringUtil.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 54.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 82.00 | Comment lines | |
| COMMENT_DENSITY | 0.52 | Comment density | |
| COMPARISONS | 45.00 | Number of comparison operators | |
| CYCLOMATIC | 56.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 11.00 | Comments in declarations | |
| DOC_COMMENT | 80.00 | Number of javadoc comment lines | |
| ELOC | 157.00 | Effective lines of code | |
| EXEC_COMMENTS | 1.00 | Comments in executable code | |
| EXITS | 31.00 | Procedure exits | |
| FUNCTIONS | 13.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 76.97 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 55.00 | 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 | 1.00 | 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 | 1.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 1.00 | 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 | 6.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 1.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 3.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 1.00 | 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 | 321.00 | 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 | 2.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 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 | 1.00 | 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 | 2.00 | 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 | 330.00 | Number of lines in the source file | |
| LINE_COMMENT | 2.00 | Number of line comments | |
| LOC | 203.00 | Lines of code | |
| LOGICAL_LINES | 115.00 | Number of statements | |
| LOOPS | 12.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 537.00 | Number of operands | |
| OPERATORS | 1001.00 | Number of operators | |
| PARAMS | 30.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1538.00 | Halstead program length | |
| PROGRAM_VOCAB | 193.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 25.00 | Number of return points from functions | |
| SIZE | 9634.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 150.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 43.00 | Number of unique operators | |
| WHITESPACE | 45.00 | Number of whitespace lines | |