CharacterType.java
| Index Score | ||
|---|---|---|
 |
 |
org.hsqldb.types |
 |
 |
HSQL Database Engine |
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 | |
|---|---|---|
| RETURNS | Number of return points from functions |  |
| CYCLOMATIC | Cyclomatic complexity | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| COMPARISONS | Number of comparison operators | |
| BLOCKS | Number of blocks | |
| ELOC | Effective lines of code | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| LOC | Lines of code | |
| OPERANDS | Number of operands | |
| SIZE | Size of the file in bytes | |
| LINES | Number of lines in the source file | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| PARAMS | Number of formal parameter declarations | |
| WHITESPACE | Number of whitespace lines | |
| LOGICAL_LINES | Number of statements | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0031 | JAVA0031 Case statement not properly closed | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| FUNCTIONS | Number of function declarations | |
| UNIQUE_OPERATORS | Number of unique operators | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0068 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| COMMENTS | Comment lines | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/* Copyright (c) 2001-2007, The HSQL Development Group
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the HSQL Development Group nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.hsqldb.types;
import java.math.BigDecimal;
import org.hsqldb.Collation;
import org.hsqldb.Expression;
import org.hsqldb.HsqlException;
import org.hsqldb.Library;
import org.hsqldb.Session;
import org.hsqldb.Token;
import org.hsqldb.Trace;
import org.hsqldb.Types;
import org.hsqldb.lib.StringConverter;
import org.hsqldb.lib.StringUtil;
import org.hsqldb.lib.java.JavaSystem;
import org.hsqldb.store.ValuePool;
/**
* Type implementation for CHARACTER, VARCHAR, etc.<p>
*
* @author fredt@users
* @version 1.9.0
* @since 1.9.0
*/
public class CharacterType extends Type {
Collation collation;
boolean isEqualIdentical;
final static int sqlDefaultCharPrecision = 1;
public static final Collation defaultCollation = new Collation();
public final static CharacterType sqlIdentifierType =
new CharacterType(Types.SQL_VARCHAR, 128L);
public CharacterType(Collation collation, int type, long precision) {
super(type, precision, 0);
this.collation = defaultCollation;
isEqualIdentical = this.collation.isEqualAlwaysIdentical()
&& type != Types.VARCHAR_IGNORECASE;
}
public CharacterType(int type, long precision) {
super(type, precision, 0);
this.collation = defaultCollation;
isEqualIdentical = this.collation.isEqualAlwaysIdentical()
&& type != Types.VARCHAR_IGNORECASE;
}
public int displaySize() {
return precision > Integer.MAX_VALUE ? Integer.MAX_VALUE
: (int) precision;
}
public int getJDBCTypeNumber() {
switch (type) {
case Types.SQL_CHAR :
return Types.CHAR;
case Types.SQL_VARCHAR :
case Types.VARCHAR_IGNORECASE :
return Types.VARCHAR;
case Types.SQL_CLOB :
return Types.CLOB;
default :
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
public String getJDBCClassName() {
return "java.lang.String";
}
public int getSQLGenericTypeNumber() {
return type == Types.SQL_CHAR ? type
: Types.SQL_VARCHAR;
}
public int getSQLSpecificTypeNumber() {
return type;
}
public String getNameString() {
switch (type) {
case Types.SQL_CHAR :
return Token.T_CHARACTER;
case Types.SQL_VARCHAR :
return Token.T_VARCHAR;
case Types.VARCHAR_IGNORECASE :
return Token.T_VARCHAR_IGNORECASE;
case Types.SQL_CLOB :
return Token.T_CLOB;
default :
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
public String getDefinition() {
if (precision == 0) {
return getNameString();
}
StringBuffer sb = new StringBuffer(16);
sb.append(getNameString());
sb.append('(');
sb.append(precision);
sb.append(')');
return sb.toString();
}
public boolean isCharacterType() {
return true;
}
public boolean acceptsPrecision() {
return true;
}
public boolean requiresPrecision() {
return type == Types.SQL_VARCHAR || type == Types.VARCHAR_IGNORECASE;
}
public Type getAggregateType(Type other) throws HsqlException {
if (type == other.type) {
return precision >= other.precision ? this
: other;
}
switch (other.type) {
case Types.SQL_ALL_TYPES :
return this;
case Types.SQL_CHAR :
return precision >= other.precision ? this
: getCharacterType(type,
other.precision);
case Types.SQL_VARCHAR :
if (type == Types.SQL_CLOB
|| type == Types.VARCHAR_IGNORECASE) {
return precision >= other.precision ? this
: getCharacterType(
type, other.precision);
} else {
return other.precision >= precision ? other
: getCharacterType(
other.type, precision);
}
case Types.VARCHAR_IGNORECASE :
if (type == Types.SQL_CLOB) {
return precision >= other.precision ? this
: getCharacterType(
type, other.precision);
} else {
return other.precision >= precision ? other
: getCharacterType(
other.type, precision);
}
case Types.SQL_CLOB :
return other.precision >= precision ? other
: getCharacterType(
other.type, precision);
default :
throw Trace.error(Trace.INVALID_CONVERSION);
}
}
/**
* For concatenation
*/
public Type getCombinedType(Type other,
int operation) throws HsqlException {
if (operation != Expression.CONCAT) {
return getAggregateType(other);
}
Type newType;
switch (other.type) {
case Types.SQL_ALL_TYPES :
return this;
case Types.SQL_CHAR :
newType = this;
break;
case Types.SQL_VARCHAR :
newType =
(type == Types.SQL_CLOB || type == Types
.VARCHAR_IGNORECASE) ? this
: other;
break;
case Types.VARCHAR_IGNORECASE :
newType = type == Types.SQL_CLOB ? this
: other;
break;
case Types.SQL_CLOB :
newType = other;
break;
default :
throw Trace.error(Trace.INVALID_CONVERSION);
}
return getCharacterType(newType.type, precision + other.precision);
}
public int compare(Object a, Object b) {
if (a == b) {
return 0;
}
if (a == null) {
return -1;
}
if (b == null) {
return 1;
}
String as = (String) a;
String bs = (String) b;
int la = as.length();
int lb = bs.length();
int shortLength = la > lb ? lb
: la;
int result;
if (type == Types.VARCHAR_IGNORECASE) {
result = collation.compareIgnoreCase(as.substring(0, shortLength),
bs.substring(0, shortLength));
} else {
result = collation.compare(as.substring(0, shortLength),
bs.substring(0, shortLength));
}
if (la == lb || result != 0) {
return result;
}
if (la > lb) {
as = as.substring(shortLength, la);
bs = ValuePool.getSpaces(la - shortLength);
} else {
as = ValuePool.getSpaces(lb - shortLength);
bs = bs.substring(shortLength, lb);
}
if (type == Types.VARCHAR_IGNORECASE) {
return collation.compareIgnoreCase(as, bs);
} else {
return collation.compare(as, bs);
}
}
public Object convertToTypeLimits(Object a) throws HsqlException {
if (a == null) {
return a;
}
if (precision == 0) {
return a;
}
switch (type) {
case Types.SQL_CHAR : {
int slen = ((String) a).length();
if (slen > precision) {
if (Library.rtrim((String) a).length() <= precision) {
return ((String) a).substring(0, (int) precision);
} else {
throw Trace.error(Trace.STRING_DATA_TRUNCATION);
}
}
char[] b = new char[(int) precision];
((String) a).getChars(0, slen, b, 0);
for (int i = slen; i < precision; i++) {
b[i] = ' ';
}
return new String(b);
}
case Types.SQL_VARCHAR :
case Types.VARCHAR_IGNORECASE : {
int slen = ((String) a).length();
if (slen > precision) {
if (StringUtil.rTrimSize((String) a) <= precision) {
return ((String) a).substring(0, (int) precision);
} else {
throw Trace.error(Trace.STRING_DATA_TRUNCATION);
}
}
return a;
}
default :
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
public Object castToType(Session session, Object a,
Type otherType) throws HsqlException {
if (a == null) {
return a;
}
switch (otherType.type) {
case Types.SQL_CHAR :
case Types.SQL_VARCHAR :
case Types.VARCHAR_IGNORECASE :
if (precision != 0 && ((String) a).length() > precision) {
if (Library.rtrim((String) a).length() <= precision) {
session.addWarning(Trace.error(Trace.GENERIC_WARNING));
}
return ((String) a).substring(0, (int) precision);
}
return convertToTypeLimits(a);
case Types.SQL_CLOB :
if (precision != 0 && ((ClobData) a).length() > precision) {
String s = ((ClobData) a).toString();
if (Library.rtrim(s).length() <= precision) {
session.addWarning(Trace.error(Trace.GENERIC_WARNING));
}
return ((String) a).substring(0, (int) precision);
}
return convertToTypeLimits(a);
case Types.SQL_BLOB :
throw Trace.error(Trace.INVALID_CONVERSION);
case Types.SQL_BINARY :
case Types.SQL_VARBINARY : {
String s = otherType.convertToString(a);
return convertToTypeLimits(s);
}
default : {
String s = otherType.convertToString(a);
if (s.length() > precision) {
s = s.substring(0, (int) precision);
}
return convertToTypeLimits(s);
}
}
}
public Object convertToType(Session session, Object a,
Type otherType) throws HsqlException {
if (a == null) {
return a;
}
switch (otherType.type) {
case Types.SQL_CHAR :
case Types.SQL_VARCHAR :
case Types.VARCHAR_IGNORECASE :
return convertToTypeLimits(a);
case Types.SQL_CLOB : {
String s = ((ClobData) a).toString();
return convertToTypeLimits(s);
}
case Types.SQL_BLOB :
throw Trace.error(Trace.INVALID_CONVERSION);
case Types.SQL_BINARY :
case Types.SQL_VARBINARY : {
String s = otherType.convertToString(a);
return convertToTypeLimits(s);
}
default : {
String s = otherType.convertToString(a);
return convertToTypeLimits(s);
}
}
}
public Object convertToDefaultType(Object a) throws HsqlException {
if (a == null) {
return a;
}
if (a instanceof Boolean) {
return convertToType(null, a, Type.SQL_BOOLEAN);
} else if (a instanceof BigDecimal) {
a = JavaSystem.toString((BigDecimal) a);
return convertToType(null, a, Type.SQL_VARCHAR);
} else if (a instanceof Number) {
a = a.toString(); // use shortcut
return convertToType(null, a, Type.SQL_VARCHAR);
} else if (a instanceof String) {
return convertToType(null, a, Type.SQL_VARCHAR);
} else if (a instanceof java.sql.Date) {
return convertToType(null, a, Type.SQL_DATE);
} else if (a instanceof java.sql.Time) {
return convertToType(null, a, Type.SQL_TIME);
} else if (a instanceof java.sql.Timestamp) {
return convertToType(null, a, Type.SQL_TIMESTAMP);
} else {
throw Trace.error(Trace.INVALID_CONVERSION);
}
}
public String convertToString(Object a) {
if (a == null) {
return null;
}
switch (type) {
case Types.SQL_CHAR : {
int slen = ((String) a).length();
if (precision == 0 || slen == precision) {
return (String) a;
}
char[] b = new char[(int) precision];
((String) a).getChars(0, slen, b, 0);
for (int i = slen; i < precision; i++) {
b[i] = ' ';
}
return new String(b);
}
case Types.SQL_VARCHAR :
case Types.VARCHAR_IGNORECASE : {
return (String) a;
}
default :
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
public String convertToSQLString(Object a) {
if (a == null) {
return "NULL";
}
String s = convertToString(a);
return StringConverter.toQuotedString(s, '\'', true);
}
public boolean isEqualIdentical() {
return isEqualIdentical;
}
public long position(Object data, Object otherData, Type otherType,
long offset) throws HsqlException {
if (data == null || otherData == null) {
return -1L;
}
if (otherType.type == Types.SQL_CLOB) {
long otherLength = ((ClobData) data).length();
if (offset + otherLength > ((String) data).length()) {
return -1;
}
String otherString = ((ClobData) otherData).getSubString(0,
(int) otherLength);
return ((String) data).indexOf(otherString, (int) offset);
} else if (otherType.isCharacterType()) {
long otherLength = ((String) data).length();
if (offset + otherLength > ((String) data).length()) {
return -1;
}
return ((String) data).indexOf((String) otherData, (int) offset);
} else {
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
public Object substring(Session session, Object data, long offset,
long length,
boolean hasLength) throws HsqlException {
long end;
long dataLength = type == Types.SQL_CLOB ? ((ClobData) data).length()
: ((String) data).length();
if (hasLength) {
end = offset + length;
} else {
end = dataLength > offset ? dataLength
: offset;
}
if (end < offset) {
throw Trace.error(Trace.SQL_DATA_SUBSTRING_ERROR);
}
if (offset > end || end < 0) {
// return zero length data
offset = 0;
end = 0;
}
if (offset < 0) {
offset = 0;
}
if (end > dataLength) {
end = dataLength;
}
length = end - offset;
if (data instanceof String) {
return ((String) data).substring((int) offset,
(int) (offset + length));
} else if (data instanceof ClobData) {
// change method signature to take long
String result = ((ClobData) data).getSubString(offset,
(int) length);
ClobData clob = new ClobDataMemory(result);
clob.setId(session.getLobId());
session.database.lobManager.addClob(clob);
return clob;
} else {
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
/**
* Memory limits apply to Upper and Lower implementations with Clob data
*/
public Object upper(Session session, Object data) throws HsqlException {
if (data == null) {
return null;
}
if (type == Types.SQL_CLOB) {
String result = ((ClobData) data).getSubString(0,
(int) ((ClobData) data).length());
result = collation.toUpperCase(result);
ClobData clob = new ClobDataMemory(result);
clob.setId(session.getLobId());
session.database.lobManager.addClob(clob);
return clob;
}
return collation.toUpperCase((String) data);
}
public Object lower(Session session, Object data) throws HsqlException {
if (data == null) {
return null;
}
if (type == Types.SQL_CLOB) {
String result = ((ClobData) data).getSubString(0,
(int) ((ClobData) data).length());
result = collation.toLowerCase(result);
ClobData clob = new ClobDataMemory(result);
clob.setId(session.getLobId());
session.database.lobManager.addClob(clob);
return clob;
}
return collation.toLowerCase((String) data);
}
public Object trim(Session session, Object data, int trim,
boolean leading,
boolean trailing) throws HsqlException {
if (data == null) {
return null;
}
String s;
if (type == Types.SQL_CLOB) {
s = ((ClobData) data).getSubString(
0, (int) ((ClobData) data).length());
} else {
s = (String) data;
}
int endindex = s.length();
if (trailing) {
for (--endindex; endindex >= 0 && s.charAt(endindex) == trim;
endindex--) {}
endindex++;
}
int startindex = 0;
if (leading) {
while (startindex < endindex && s.charAt(startindex) == trim) {
startindex++;
}
}
if (startindex == 0 && endindex == s.length()) {}
else {
s = s.substring(startindex, endindex);
}
if (type == Types.SQL_CLOB) {
ClobData clob = new ClobDataMemory(s);
clob.setId(session.getLobId());
session.database.lobManager.addClob(clob);
return clob;
} else {
return s;
}
}
public Object overlay(Session session, Object data, Object overlay,
long offset, long length,
boolean hasLength) throws HsqlException {
if (data == null || overlay == null) {
return null;
}
if (!hasLength) {
length = type == Types.SQL_CLOB ? ((ClobData) overlay).length()
: ((String) overlay).length();
}
Object temp = concat(null, substring(session, data, 0, offset, true),
overlay);
return concat(null, temp,
substring(session, data, offset + length, 0, false));
}
public Object concat(Session session, Object a,
Object b) throws HsqlException {
if (a == null || b == null) {
return null;
}
String left;
String right;
if (a instanceof ClobData) {
left = ((ClobData) a).getSubString(
0, (int) ((ClobData) a).length());
} else {
left = (String) a;
}
if (b instanceof ClobData) {
right =
((ClobData) b).getSubString(0, (int) ((ClobData) b).length());
} else {
right = (String) b;
}
if (type == Types.SQL_CLOB) {
ClobData clob = new ClobDataMemory(left + right);
clob.setId(session.getLobId());
session.database.lobManager.addClob(clob);
return clob;
} else {
return left + right;
}
}
public long size(Object data) throws HsqlException {
if (type == Types.SQL_CLOB) {
return ((ClobData) data).length();
}
return ((String) data).length();
}
/*
public static Object concat(Object a, Object b) {
if (a == null || b == null) {
return null;
}
return a.toString() + b.toString();
}
*/
public static Type getCharacterType(int type, long precision) {
switch (type) {
case Types.SQL_VARCHAR :
case Types.SQL_CHAR :
case Types.VARCHAR_IGNORECASE :
return new CharacterType(type, (int) precision);
case Types.SQL_CLOB :
return new ClobType(precision);
default :
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"CharacterType");
}
}
}
The table below shows all metrics for CharacterType.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 126.00 | Number of blocks | |
| BLOCK_COMMENT | 39.00 | Number of block comment lines | |
| COMMENTS | 54.00 | Comment lines | |
| COMMENT_DENSITY | 0.12 | Comment density | |
| COMPARISONS | 98.00 | Number of comparison operators | |
| CYCLOMATIC | 182.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 5.00 | Comments in declarations | |
| DOC_COMMENT | 13.00 | Number of javadoc comment lines | |
| ELOC | 462.00 | Effective lines of code | |
| EXEC_COMMENTS | 2.00 | Comments in executable code | |
| EXITS | 38.00 | Procedure exits | |
| FUNCTIONS | 31.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 144.89 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 185.00 | 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 | 2.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 0.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 0.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 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 | 1.00 | 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 | 2.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 2.00 | 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 | 2.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 2.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 10.00 | 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 | 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 | 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 | 1.00 | 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 | 6.00 | 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 | 814.00 | Number of lines in the source file | |
| LINE_COMMENT | 2.00 | Number of line comments | |
| LOC | 572.00 | Lines of code | |
| LOGICAL_LINES | 232.00 | Number of statements | |
| LOOPS | 4.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1245.00 | Number of operands | |
| OPERATORS | 2446.00 | Number of operators | |
| PARAMS | 50.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 3691.00 | Halstead program length | |
| PROGRAM_VOCAB | 286.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 135.00 | Number of return points from functions | |
| SIZE | 24329.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 232.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 54.00 | Number of unique operators | |
| WHITESPACE | 188.00 | Number of whitespace lines | |