BaseParser.java
| Index Score | ||
|---|---|---|
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org.hsqldb |
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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 |  |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| CYCLOMATIC | Cyclomatic complexity | |
| EXITS | Procedure exits | |
| BLOCKS | Number of blocks | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LOGICAL_LINES | Number of statements | |
| PROGRAM_VOLUME | Halstead program volume | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| FUNCTIONS | Number of function declarations | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| JAVA0160 | JAVA0160 Method does not throw specified exception | |
| UNIQUE_OPERANDS | Number of unique operands | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| EXEC_COMMENTS | Comments in executable code | |
| LINE_COMMENT | Number of line comments | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| UNIQUE_OPERATORS | Number of unique operators | |
| ELOC | Effective lines of code | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DOC_COMMENT | Number of javadoc comment lines | |
| DECL_COMMENTS | Comments in declarations | |
| LOC | Lines of code | |
| WHITESPACE | Number of whitespace lines | |
| COMMENTS | Comment lines | |
| LOOPS | Number of loops | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| OPERANDS | Number of operands | |
| 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;
import org.hsqldb.HsqlNameManager.HsqlName;
import org.hsqldb.lib.HsqlArrayList;
import org.hsqldb.lib.IntKeyIntValueHashMap;
import org.hsqldb.types.Type;
public class BaseParser {
protected Database database;
private Tokenizer tokenizer;
protected Session session;
protected String namePrePrefix;
protected String namePrefix;
protected String tokenString;
protected boolean isQuoted;
protected Object value;
protected Type valueType;
protected int tokenType;
protected boolean isReservedKey;
protected boolean isCoreReservedKey;
protected boolean isSpecial;
protected boolean isRecording;
protected int recordingStart;
protected HsqlArrayList recordedStatement;
/**
* Constructs a new BaseParser object with the given context.
*
* @param session the connected context
* @param t the token source from which to parse commands
*/
BaseParser(Session session, Tokenizer t) {
tokenizer = t;
this.session = session;
database = session.getDatabase();
}
/**
* Resets this parse context with the given SQL character sequence.
*
* Internal structures are reset as though a new parser were created
* with the given sql and the originally specified database and session
*
* @param sql a new SQL character sequence to replace the current one
*/
void reset(String sql) {
namePrefix = null;
tokenType = Token.X_STARTPARSE;
tokenString = null;
value = null;
tokenizer.reset(sql);
}
void startRecording() {
recordedStatement = new HsqlArrayList();
recordingStart = getPosition();
isRecording = true;
}
void recordCurrent() {
if (isRecording) {
String s = getLastPart(recordingStart);
recordedStatement.add(s);
recordingStart = getPosition();
}
}
void recordNamedObject(Object object) throws HsqlException {
if (isRecording) {
recordedStatement.add(object);
recordingStart = getPosition();
}
}
Object[] getRecordedStatement() {
recordCurrent();
isRecording = false;
Object[] statements = recordedStatement.toArray();
recordedStatement = null;
for (int i = 0; i < statements.length; i++) {
if (statements[i] instanceof Expression) {
Column column = ((Expression) statements[i]).getColumn();
if (column == null) {
statements[i] = ((Expression) statements[i]).getAlias();
} else {
statements[i] = column.getName();
}
}
}
return statements;
}
static String getSql(Object[] statement) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < statement.length; i++) {
if (statement[i] instanceof HsqlName) {
HsqlName name = (HsqlName) statement[i];
switch (name.type) {
case SchemaObject.SEQUENCE :
sb.append(name.schema.statementName).append('.');
break;
case SchemaObject.TABLE :
if (name.schema
!= SchemaManager.SYSTEM_SCHEMA_HSQLNAME) {
sb.append(name.schema.statementName).append('.');
}
break;
case SchemaObject.COLUMN :
if (name.parent != null) {
sb.append(name.schema.statementName).append('.');
sb.append(name.parent.statementName).append('.');
}
break;
}
sb.append(name.statementName);
sb.append(' ');
} else {
String s = (String) statement[i];
sb.append(s);
sb.append(' ');
}
}
return sb.toString();
}
/**
* @throws HsqlException
*/
void read() throws HsqlException {
namePrePrefix = null;
namePrefix = null;
value = null;
tokenString = tokenizer.getString();
isQuoted = tokenizer.wasQuotedIdentifier();
isReservedKey = false;
isCoreReservedKey = false;
isSpecial = false;
if (tokenizer.wasValue()) {
tokenType = Token.X_VALUE;
value = tokenizer.getAsValue();
valueType = Type.getValueType(tokenizer.getType(), value);
} else if (isQuoted || tokenizer.wasLongName()) {
namePrePrefix = tokenizer.getNamePrePrefix();
namePrefix = tokenizer.getNamePrefix();
if (tokenString.equals(Token.T_ASTERISK)) {
tokenType = Token.ASTERISK;
} else {
tokenType = Token.X_NAME;
}
} else if (tokenString.length() == 0) {
tokenType = Token.X_ENDPARSE;
} else {
tokenType = Token.getKeywordID(tokenString, Token.X_ENDPARSE);
if (tokenType == Token.X_ENDPARSE) {
tokenType = Token.getNonKeywordID(tokenString,
Token.X_ENDPARSE);
isSpecial = tokenizer.wasSpecial();
} else {
isReservedKey = true;
isCoreReservedKey = Token.isCoreKeyword(tokenType);
}
if (tokenType == Token.X_ENDPARSE) {
tokenType = Token.X_NAME;
}
}
}
boolean isName() throws HsqlException {
return tokenizer.wasNameOrKeyword() && !isCoreReservedKey;
}
void checkIsName() throws HsqlException {
if (!isName()) {
throw unexpectedToken();
}
}
void checkIsNameOrKeyword() throws HsqlException {
if (!tokenizer.wasNameOrKeyword()) {
throw unexpectedToken();
}
}
void readThis(int tokenId) throws HsqlException {
if (tokenType != tokenId) {
String required = Token.getKeyword(tokenId);
throw unexpectedToken(required);
}
read();
}
boolean readIfThis(int tokenId) throws HsqlException {
if (tokenType == tokenId) {
read();
return true;
}
return false;
}
void checkIsNotQuoted() throws HsqlException {
if (isQuoted) {
throw unexpectedToken();
}
}
void checkIsQuoted() throws HsqlException {
if (!isQuoted) {
throw Trace.error(Trace.QUOTED_IDENTIFIER_REQUIRED, tokenString);
}
}
void checkIsValue() throws HsqlException {
if (tokenType != Token.X_VALUE) {
throw unexpectedToken();
}
}
boolean isSimpleName() {
return tokenizer.wasSimpleName() && !isCoreReservedKey;
}
void checkIsSimpleName() throws HsqlException {
if (!isSimpleName()) {
throw unexpectedToken();
}
}
void readQuotedString() throws HsqlException {
tokenString = (String) tokenizer.getInType(Types.SQL_CHAR);
tokenType = Token.X_VALUE;
}
int readInteger() throws HsqlException {
boolean minus = false;
if (tokenType == Token.MINUS) {
minus = true;
read();
}
checkIsValue();
if (minus && valueType.type == Types.SQL_BIGINT
&& ((Number) value).longValue() == -(long) Integer.MIN_VALUE) {
read();
return Integer.MIN_VALUE;
}
if (valueType.type != Types.SQL_INTEGER) {
throw Trace.error(Trace.WRONG_DATA_TYPE);
}
int val = ((Number) value).intValue();
if (minus) {
val = -val;
}
read();
return val;
}
long readBigint() throws HsqlException {
boolean minus = false;
if (tokenType == Token.MINUS) {
minus = true;
read();
}
checkIsValue();
if (minus && valueType.type == Types.SQL_NUMERIC
&& Tokenizer.LONG_MAX_VALUE_INCREMENT.equals(value)) {
read();
return Long.MIN_VALUE;
}
if (valueType.type != Types.SQL_INTEGER
&& valueType.type != Types.SQL_BIGINT) {
throw Trace.error(Trace.WRONG_DATA_TYPE);
}
long val = ((Number) value).longValue();
if (minus) {
val = -val;
}
read();
return val;
}
int getPosition() {
return tokenizer.getTokenPosition();
}
void rewind(int position) throws HsqlException {
tokenizer.position(position);
read();
}
String getLastPart(int position) {
return tokenizer.getPart(position, tokenizer.getTokenPosition());
}
String getLastPartAndCurrent(int position) {
return tokenizer.getPart(position, tokenizer.getPosition());
}
static int getExpressionType(int token) {
int type = expressionTypeMap.get(token, -1);
if (type == -1) {
throw Trace.runtimeError(Trace.UNSUPPORTED_INTERNAL_OPERATION,
"Parser");
}
return type;
}
private static IntKeyIntValueHashMap expressionTypeMap =
new IntKeyIntValueHashMap(37);
static {
// comparison
expressionTypeMap.put(Token.EQUALS, Expression.EQUAL);
expressionTypeMap.put(Token.GREATER, Expression.GREATER);
expressionTypeMap.put(Token.LESS, Expression.SMALLER);
expressionTypeMap.put(Token.GREATER_EQUALS, Expression.GREATER_EQUAL);
expressionTypeMap.put(Token.LESS_EQUALS, Expression.SMALLER_EQUAL);
expressionTypeMap.put(Token.NOT_EQUALS, Expression.NOT_EQUAL);
// aggregates
expressionTypeMap.put(Token.COUNT, Expression.COUNT);
expressionTypeMap.put(Token.MAX, Expression.MAX);
expressionTypeMap.put(Token.MIN, Expression.MIN);
expressionTypeMap.put(Token.SUM, Expression.SUM);
expressionTypeMap.put(Token.AVG, Expression.AVG);
expressionTypeMap.put(Token.EVERY, Expression.EVERY);
expressionTypeMap.put(Token.SOME, Expression.SOME);
expressionTypeMap.put(Token.STDDEV_POP, Expression.STDDEV_POP);
expressionTypeMap.put(Token.STDDEV_SAMP, Expression.STDDEV_SAMP);
expressionTypeMap.put(Token.VAR_POP, Expression.VAR_POP);
expressionTypeMap.put(Token.VAR_SAMP, Expression.VAR_SAMP);
}
HsqlException unexpectedToken(String required) {
String token = namePrePrefix != null ? namePrePrefix
: namePrefix != null ? namePrefix
: tokenString;
return Trace.error(Trace.UNEXPECTED_TOKEN, Trace.TOKEN_REQUIRED,
new Object[] {
token, required
});
}
HsqlException unexpectedToken() {
String token = namePrePrefix != null ? namePrePrefix
: namePrefix != null ? namePrefix
: tokenString;
return Trace.error(Trace.UNEXPECTED_TOKEN, token);
}
}
The table below shows all metrics for BaseParser.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 66.00 | Number of blocks | |
| BLOCK_COMMENT | 29.00 | Number of block comment lines | |
| COMMENTS | 48.00 | Comment lines | |
| COMMENT_DENSITY | 0.20 | Comment density | |
| COMPARISONS | 33.00 | Number of comparison operators | |
| CYCLOMATIC | 75.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 4.00 | Comments in declarations | |
| DOC_COMMENT | 17.00 | Number of javadoc comment lines | |
| ELOC | 235.00 | Effective lines of code | |
| EXEC_COMMENTS | 2.00 | Comments in executable code | |
| EXITS | 51.00 | Procedure exits | |
| FUNCTIONS | 28.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 69.11 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 70.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 1.00 | 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 | 1.00 | 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 | 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 | 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 | 1.00 | 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 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | 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 | 1.00 | 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 | 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 | 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 | 452.00 | Number of lines in the source file | |
| LINE_COMMENT | 2.00 | Number of line comments | |
| LOC | 296.00 | Lines of code | |
| LOGICAL_LINES | 154.00 | Number of statements | |
| LOOPS | 2.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 628.00 | Number of operands | |
| OPERATORS | 1184.00 | Number of operators | |
| PARAMS | 12.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1812.00 | Halstead program length | |
| PROGRAM_VOCAB | 255.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 58.00 | Number of return points from functions | |
| SIZE | 13342.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 209.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 46.00 | Number of unique operators | |
| WHITESPACE | 108.00 | Number of whitespace lines | |