StringUtils.java
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org.limewire.util |
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FrostWire |
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 | |
|---|---|---|
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| LOOPS | Number of loops | |
| LINE_COMMENT | Number of line comments | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0125 | JAVA0125 Continue statement with label | |
| EXEC_COMMENTS | Comments in executable code | |
| DECL_COMMENTS | Comments in declarations | |
| DOC_COMMENT | Number of javadoc comment lines | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| COMMENTS | Comment lines | |
| JAVA0036 | JAVA0036 Missing braces in while statement | |
| SIZE | Size of the file in bytes | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0119 | JAVA0119 Control variable changed within body of for loop | |
| PROGRAM_VOLUME | Halstead program volume | |
| CYCLOMATIC | Cyclomatic complexity | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| COMPARISONS | Number of comparison operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0064 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
package org.limewire.util;
import java.io.UnsupportedEncodingException;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.StringTokenizer;
/**
* Provides static methods to split, check for substrings, change case and
* compare strings, along with additional string utility methods.
*/
public class StringUtils {
/**
* Collator used for internationalization.
*/
private volatile static Collator COLLATOR;
static {
COLLATOR = Collator.getInstance(Locale.getDefault());
COLLATOR.setDecomposition(Collator.FULL_DECOMPOSITION);
COLLATOR.setStrength(Collator.PRIMARY);
}
/** Updates the locale that string-matching will use. */
public static void setLocale(Locale locale) {
Collator later = Collator.getInstance(locale);
later.setDecomposition(Collator.FULL_DECOMPOSITION);
later.setStrength(Collator.PRIMARY);
COLLATOR = later;
}
/** Returns true if input contains the given pattern, which may contain the
* wildcard character '*'. TODO: need more formal definition. Examples:
*
* <pre>
* StringUtils.contains("", "") ==> true
* StringUtils.contains("abc", "") ==> true
* StringUtils.contains("abc", "b") ==> true
* StringUtils.contains("abc", "d") ==> false
* StringUtils.contains("abcd", "a*d") ==> true
* StringUtils.contains("abcd", "*a**d*") ==> true
* StringUtils.contains("abcd", "d*a") ==> false
* </pre>
*/
public static final boolean contains(String input, String pattern) {
return contains(input, pattern, false);
}
/** Exactly like contains(input, pattern), but case is ignored if
* ignoreCase==true. */
public static final boolean contains(String input, String pattern,
boolean ignoreCase) {
//More efficient algorithms are possible, e.g. a modified version of the
//Rabin-Karp algorithm, but they are unlikely to be faster with such
//short strings. Also, some contant time factors could be shaved by
//combining the second FOR loop below with the subset(..) call, but that
//just isn't important. The important thing is to avoid needless
//allocations.
final int n=pattern.length();
//Where to resume searching after last wildcard, e.g., just past
//the last match in input.
int last=0;
//For each token in pattern starting at i...
for (int i=0; i<n; ) {
//1. Find the smallest j>i s.t. pattern[j] is space, *, or +.
char c=' ';
int j=i;
for ( ; j<n; j++) {
char c2=pattern.charAt(j);
if (c2==' ' || c2=='+' || c2=='*') {
c=c2;
break;
}
}
//2. Match pattern[i..j-1] against input[last...].
int k=subset(pattern, i, j,
input, last,
ignoreCase);
if (k<0)
return false;
//3. Reset the starting search index if got ' ' or '+'.
//Otherwise increment past the match in input.
if (c==' ' || c=='+')
last=0;
else if (c=='*')
last=k+j-i;
i=j+1;
}
return true;
}
public static boolean containsCharacters(String input, char [] chars) {
char [] inputChars = input.toCharArray();
Arrays.sort(inputChars);
for(int i=0; i<chars.length; i++) {
if(Arrays.binarySearch(inputChars, chars[i]) >= 0) return true;
}
return false;
}
/**
* @requires TODO3: fill this in
* @effects returns the the smallest i>=bigStart
* s.t. little[littleStart...littleStop-1] is a prefix of big[i...]
* or -1 if no such i exists. If ignoreCase==false, case doesn't matter
* when comparing characters.
*/
private static final int subset(String little, int littleStart, int littleStop,
String big, int bigStart,
boolean ignoreCase) {
//Equivalent to
// return big.indexOf(little.substring(littleStart, littleStop), bigStart);
//but without an allocation.
//Note special case for ignoreCase below.
if (ignoreCase) {
final int n=big.length()-(littleStop-littleStart)+1;
outerLoop:
for (int i=bigStart; i<n; i++) {
//Check if little[littleStart...littleStop-1] matches with shift i
final int n2=littleStop-littleStart;
for (int j=0 ; j<n2 ; j++) {
char c1=big.charAt(i+j);
char c2=little.charAt(littleStart+j);
if (c1!=c2 && c1!=toOtherCase(c2)) //Ignore case. See below.
continue outerLoop;
}
return i;
}
return -1;
} else {
final int n=big.length()-(littleStop-littleStart)+1;
outerLoop:
for (int i=bigStart; i<n; i++) {
final int n2=littleStop-littleStart;
for (int j=0 ; j<n2 ; j++) {
char c1=big.charAt(i+j);
char c2=little.charAt(littleStart+j);
if (c1!=c2) //Consider case. See above.
continue outerLoop;
}
return i;
}
return -1;
}
}
/** If c is a lower case ASCII character, returns Character.toUpperCase(c).
* Else if c is an upper case ASCII character, returns Character.toLowerCase(c),
* Else returns c.
* Note that this is <b>not internationalized</b>; but it is fast.
*/
public static final char toOtherCase(char c) {
int i = c;
final int A= 'A'; //65
final int Z= 'Z'; //90
final int a= 'a'; //97
final int z= 'z'; //122
final int SHIFT=a-A;
if (i<A) //non alphabetic
return c;
else if (i<=Z) //upper-case
return (char)(i+SHIFT);
else if (i<a) //non alphabetic
return c;
else if (i<=z) //lower-case
return (char)(i-SHIFT);
else //non alphabetic
return c;
}
/**
* Exactly like split(s, Character.toString(delimiter))
*/
public static String[] split(String s, char delimiter) {
return split(s, Character.toString(delimiter));
}
/**
* Returns the tokens of s delimited by the given delimiter, without
* returning the delimiter. Repeated sequences of delimiters are treated
* as one. Examples:
* <pre>
* split("a//b/ c /","/")=={"a","b"," c "}
* split("a b", "/")=={"a b"}.
* split("///", "/")=={}.
* </pre>
*
* <b>Note that whitespace is preserved if it is not part of the delimiter.</b>
* An older version of this trim()'ed each token of whitespace.
*/
public static String[] split(String s, String delimiters) {
//Tokenize s based on delimiters, adding to buffer.
StringTokenizer tokenizer = new StringTokenizer(s, delimiters);
List<String> tokens = new ArrayList<String>();
while (tokenizer.hasMoreTokens())
tokens.add(tokenizer.nextToken());
return tokens.toArray(new String[0]);
}
/**
* Exactly like splitNoCoalesce(s, Character.toString(delimiter))
*/
public static String[] splitNoCoalesce(String s, char delimiter) {
return splitNoCoalesce(s, Character.toString(delimiter));
}
/**
* Similar to split(s, delimiters) except that subsequent delimiters are not
* coalesced, so the returned array may contain empty strings. If s starts
* (ends) with a delimiter, the returned array starts (ends) with an empty
* strings. If s contains N delimiters, N+1 strings are always returned.
* Examples:
*
* <pre>
* split("a//b/ c /","/")=={"a","","b"," c ", ""}
* split("a b", "/")=={"a b"}.
* split("///", "/")=={"","","",""}.
* </pre>
*
* @return an array A s.t. s.equals(A[0]+d0+A[1]+d1+...+A[N]), where
* for all dI, dI.size()==1 && delimiters.indexOf(dI)>=0; and for
* all c in A[i], delimiters.indexOf(c)<0
*/
public static String[] splitNoCoalesce(String s, String delimiters) {
//Tokenize s based on delimiters, adding to buffer.
StringTokenizer tokenizer = new StringTokenizer(s, delimiters, true);
List<String> tokens = new ArrayList<String>();
//True if last token was a delimiter. Initialized to true to force
//an empty string if s starts with a delimiter.
boolean gotDelimiter=true;
while (tokenizer.hasMoreTokens()) {
String token=tokenizer.nextToken();
//Is token a delimiter?
if (token.length()==1 && delimiters.indexOf(token)>=0) {
//If so, add blank only if last token was a delimiter.
if (gotDelimiter)
tokens.add("");
gotDelimiter=true;
} else {
//If not, add "real" token.
tokens.add(token);
gotDelimiter=false;
}
}
//Add trailing empty string UNLESS s is the empty string.
if (gotDelimiter && !tokens.isEmpty())
tokens.add("");
return tokens.toArray(new String[0]);
}
/**
* This method will compare the two strings using
* full decomposition and only look at primary differences
* The comparision will ignore case as well as
* differences like FULLWIDTH vs HALFWIDTH
*/
public static int compareFullPrimary(String s1, String s2) {
return COLLATOR.compare(s1, s2);
}
/**
* Returns true iff s starts with prefix, ignoring case.
* @return true iff s.toUpperCase().startsWith(prefix.toUpperCase())
*/
public static boolean startsWithIgnoreCase(String s, String prefix) {
final int pl = prefix.length();
if (s.length() < pl)
return false;
for (int i = 0; i < pl; i++) {
char sc = s.charAt(i);
char pc = prefix.charAt(i);
if (sc != pc) {
sc = Character.toUpperCase(sc);
pc = Character.toUpperCase(pc);
if (sc != pc) {
sc = Character.toLowerCase(sc);
pc = Character.toLowerCase(pc);
if (sc!=pc)
return false;
}
}
}
return true;
}
/**
* Replaces all occurrences of old_str in str with new_str
*
* @param str the String to modify
* @param old_str the String to be replaced
* @param new_str the String to replace old_str with
*
* @return the modified str.
*/
public static String replace(String str, String old_str, String new_str) {
int o = 0;
StringBuilder buf = new StringBuilder();
for (int i = str.indexOf(old_str) ; i > -1 ; i = str.indexOf(old_str, i+1)) {
if (i > o ) {
buf.append (str.substring(o, i));
}
buf.append (new_str);
o = i+old_str.length();
}
buf.append (str.substring(o, str.length()));
return buf.toString();
}
/**
* Returns a truncated string, up to the maximum number of characters
*/
public static String truncate(final String string, final int maxLen) {
if(string.length() <= maxLen)
return string;
else
return string.substring(0, maxLen);
}
/**
* Helper method to obtain the starting index of a substring within another
* string, ignoring their case. This method is expensive because it has
* to set each character of each string to lower case before doing the
* comparison. Uses the default <code>Locale</code> for case conversion.
*
* @param str the string in which to search for the <tt>substring</tt>
* argument
* @param substring the substring to search for in <tt>str</tt>
* @return if the <tt>substring</tt> argument occurs as a substring within
* <tt>str</tt>, then the index of the first character of the first such
* substring is returned; if it does not occur as a substring, -1 is
* returned
*/
public static int indexOfIgnoreCase(String str, String substring) {
return indexOfIgnoreCase(str, substring, Locale.getDefault());
}
/**
* Helper method to obtain the starting index of a substring within another
* string, ignoring their case. This method is expensive because it has
* to set each character of each string to lower case before doing the
* comparison.
*
* @param str the string in which to search for the <tt>substring</tt>
* argument
* @param substring the substring to search for in <tt>str</tt>
* @param locale the <code>Locale</code> to use when converting the
* case of <code>str</code> and <code>substring</code>. This is necessary because
* case conversion is <code>Locale</code> specific.
* @return if the <tt>substring</tt> argument occurs as a substring within
* <tt>str</tt>, then the index of the first character of the first such
* substring is returned; if it does not occur as a substring, -1 is
* returned
*/
public static int indexOfIgnoreCase(String str, String substring, Locale locale) {
// Look for the index after the expensive conversion to lower case.
return str.toLowerCase(locale).indexOf(substring.toLowerCase(locale));
}
/**
* Utility wrapper for getting a String object out of
* byte [] using the ascii encoding.
*/
public static String getASCIIString(byte [] bytes) {
return getEncodedString(bytes, "ISO-8859-1");
}
/**
* Utility wrapper for getting a String object out of
* byte [] using the UTF-8 encoding.
*/
public static String getUTF8String(byte [] bytes) {
return getEncodedString(bytes, "UTF-8");
}
/**
* @return a string with an encoding we know we support.
*/
private static String getEncodedString(byte [] bytes, String encoding) {
try {
return new String(bytes, encoding);
} catch (UnsupportedEncodingException impossible) {
throw new RuntimeException(impossible);
}
}
/**
* Returns the tokens of array concanated to a delimited by the given
* delimiter, without Examples:
*
* <pre>
* explode({ "a", "b" }, " ") == "a b"
* explode({ "a", "b" }, "") == "ab"
* </pre>
*/
public static String explode(String[] array, String delimeter) {
StringBuilder sb = new StringBuilder();
if (array.length > 0) {
sb.append(array[0]);
for (int i = 1; i < array.length; i++) {
sb.append(delimeter);
sb.append(array[i]);
}
}
return sb.toString();
}
/**
* Returns the tokens of a collection concanated to a delimited by the given
* delimiter.
*/
public static String explode(Collection<String> collection, String delimiter) {
StringBuilder sb = new StringBuilder();
if (!collection.isEmpty()) {
Iterator<String> i = collection.iterator();
sb.append(i.next());
while (i.hasNext()) {
sb.append(delimiter);
sb.append(i.next());
}
}
return sb.toString();
}
//Unit tests: tests/com/limegroup/gnutella/util/StringUtils
}
The table below shows all metrics for StringUtils.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 46.00 | Number of blocks | |
| BLOCK_COMMENT | 0.00 | Number of block comment lines | |
| COMMENTS | 176.00 | Comment lines | |
| COMMENT_DENSITY | 0.95 | Comment density | |
| COMPARISONS | 42.00 | Number of comparison operators | |
| CYCLOMATIC | 64.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 23.00 | Comments in declarations | |
| DOC_COMMENT | 148.00 | Number of javadoc comment lines | |
| ELOC | 185.00 | Effective lines of code | |
| EXEC_COMMENTS | 16.00 | Comments in executable code | |
| EXITS | 35.00 | Procedure exits | |
| FUNCTIONS | 21.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 82.93 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 79.00 | 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 | 17.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 1.00 | 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 | 2.00 | 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 | 1.00 | 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 | 35.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 13.00 | 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 | 1.00 | 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 | 2.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 2.00 | 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 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | 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 | 70.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 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 | 1.00 | 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 | 440.00 | Number of lines in the source file | |
| LINE_COMMENT | 28.00 | Number of line comments | |
| LOC | 229.00 | Lines of code | |
| LOGICAL_LINES | 134.00 | Number of statements | |
| LOOPS | 13.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 589.00 | Number of operands | |
| OPERATORS | 1093.00 | Number of operators | |
| PARAMS | 45.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1682.00 | Halstead program length | |
| PROGRAM_VOCAB | 223.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 34.00 | Number of return points from functions | |
| SIZE | 16093.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 174.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 49.00 | Number of unique operators | |
| WHITESPACE | 35.00 | Number of whitespace lines | |