DataSourceRealm.java
| Index Score | ||
|---|---|---|
 |
 |
org.apache.catalina.realm |
 |
 |
Apache Tomcat 6 |
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 | |
|---|---|---|
| DECL_COMMENTS | Comments in declarations |  |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| DOC_COMMENT | Number of javadoc comment lines | |
| EXEC_COMMENTS | Comments in executable code | |
| COMMENTS | Comment lines | |
| LINE_COMMENT | Number of line comments | |
| LINES | Number of lines in the source file | |
| SIZE | Size of the file in bytes | |
| JAVA0094 | JAVA0094 Field hides a superclass field | |
| BLOCKS | Number of blocks | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| WHITESPACE | Number of whitespace lines | |
| RETURNS | Number of return points from functions | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| PROGRAM_VOLUME | Halstead program volume | |
| FUNCTIONS | Number of function declarations | |
| 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 | |
| ELOC | Effective lines of code | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| LOC | Lines of code | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| COMPARISONS | Number of comparison operators | |
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.realm;
import java.security.Principal;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import javax.naming.Context;
import javax.sql.DataSource;
import org.apache.naming.ContextBindings;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.ServerFactory;
import org.apache.catalina.core.StandardServer;
import org.apache.catalina.util.StringManager;
/**
*
* Implmentation of <b>Realm</b> that works with any JDBC JNDI DataSource.
* See the JDBCRealm.howto for more details on how to set up the database and
* for configuration options.
*
* @author Glenn L. Nielsen
* @author Craig R. McClanahan
* @author Carson McDonald
* @author Ignacio Ortega
* @version $Revision: 543691 $
*/
public class DataSourceRealm
extends RealmBase {
// ----------------------------------------------------- Instance Variables
/**
* The generated string for the roles PreparedStatement
*/
private String preparedRoles = null;
/**
* The generated string for the credentials PreparedStatement
*/
private String preparedCredentials = null;
/**
* The name of the JNDI JDBC DataSource
*/
protected String dataSourceName = null;
/**
* Descriptive information about this Realm implementation.
*/
protected static final String info =
"org.apache.catalina.realm.DataSourceRealm/1.0";
/**
* Context local datasource.
*/
protected boolean localDataSource = false;
/**
* Descriptive information about this Realm implementation.
*/
protected static final String name = "DataSourceRealm";
/**
* The column in the user role table that names a role
*/
protected String roleNameCol = null;
/**
* The string manager for this package.
*/
protected static final StringManager sm =
StringManager.getManager(Constants.Package);
/**
* The column in the user table that holds the user's credintials
*/
protected String userCredCol = null;
/**
* The column in the user table that holds the user's name
*/
protected String userNameCol = null;
/**
* The table that holds the relation between user's and roles
*/
protected String userRoleTable = null;
/**
* The table that holds user data.
*/
protected String userTable = null;
// ------------------------------------------------------------- Properties
/**
* Return the name of the JNDI JDBC DataSource.
*
*/
public String getDataSourceName() {
return dataSourceName;
}
/**
* Set the name of the JNDI JDBC DataSource.
*
* @param dataSourceName the name of the JNDI JDBC DataSource
*/
public void setDataSourceName( String dataSourceName) {
this.dataSourceName = dataSourceName;
}
/**
* Return if the datasource will be looked up in the webapp JNDI Context.
*/
public boolean getLocalDataSource() {
return localDataSource;
}
/**
* Set to true to cause the datasource to be looked up in the webapp JNDI
* Context.
*
* @param localDataSource the new flag value
*/
public void setLocalDataSource(boolean localDataSource) {
this.localDataSource = localDataSource;
}
/**
* Return the column in the user role table that names a role.
*
*/
public String getRoleNameCol() {
return roleNameCol;
}
/**
* Set the column in the user role table that names a role.
*
* @param roleNameCol The column name
*/
public void setRoleNameCol( String roleNameCol ) {
this.roleNameCol = roleNameCol;
}
/**
* Return the column in the user table that holds the user's credentials.
*
*/
public String getUserCredCol() {
return userCredCol;
}
/**
* Set the column in the user table that holds the user's credentials.
*
* @param userCredCol The column name
*/
public void setUserCredCol( String userCredCol ) {
this.userCredCol = userCredCol;
}
/**
* Return the column in the user table that holds the user's name.
*
*/
public String getUserNameCol() {
return userNameCol;
}
/**
* Set the column in the user table that holds the user's name.
*
* @param userNameCol The column name
*/
public void setUserNameCol( String userNameCol ) {
this.userNameCol = userNameCol;
}
/**
* Return the table that holds the relation between user's and roles.
*
*/
public String getUserRoleTable() {
return userRoleTable;
}
/**
* Set the table that holds the relation between user's and roles.
*
* @param userRoleTable The table name
*/
public void setUserRoleTable( String userRoleTable ) {
this.userRoleTable = userRoleTable;
}
/**
* Return the table that holds user data..
*
*/
public String getUserTable() {
return userTable;
}
/**
* Set the table that holds user data.
*
* @param userTable The table name
*/
public void setUserTable( String userTable ) {
this.userTable = userTable;
}
// --------------------------------------------------------- Public Methods
/**
* Return the Principal associated with the specified username and
* credentials, if there is one; otherwise return <code>null</code>.
*
* If there are any errors with the JDBC connection, executing
* the query or anything we return null (don't authenticate). This
* event is also logged, and the connection will be closed so that
* a subsequent request will automatically re-open it.
*
* @param username Username of the Principal to look up
* @param credentials Password or other credentials to use in
* authenticating this username
*/
public Principal authenticate(String username, String credentials) {
// No user - can't possibly authenticate, don't bother the database then
if (username == null) {
return null;
}
Connection dbConnection = null;
try {
// Ensure that we have an open database connection
dbConnection = open();
if (dbConnection == null) {
// If the db connection open fails, return "not authenticated"
return null;
}
// Acquire a Principal object for this user
return authenticate(dbConnection, username, credentials);
} catch (SQLException e) {
// Log the problem for posterity
containerLog.error(sm.getString("dataSourceRealm.exception"), e);
// Return "not authenticated" for this request
return (null);
} finally {
close(dbConnection);
}
}
// -------------------------------------------------------- Package Methods
// ------------------------------------------------------ Protected Methods
/**
* Return the Principal associated with the specified username and
* credentials, if there is one; otherwise return <code>null</code>.
*
* @param dbConnection The database connection to be used
* @param username Username of the Principal to look up
* @param credentials Password or other credentials to use in
* authenticating this username
*/
protected Principal authenticate(Connection dbConnection,
String username,
String credentials) throws SQLException{
String dbCredentials = getPassword(dbConnection, username);
// Validate the user's credentials
boolean validated = false;
if (hasMessageDigest()) {
// Hex hashes should be compared case-insensitive
validated = (digest(credentials).equalsIgnoreCase(dbCredentials));
} else
validated = (digest(credentials).equals(dbCredentials));
if (validated) {
if (containerLog.isTraceEnabled())
containerLog.trace(
sm.getString("dataSourceRealm.authenticateSuccess",
username));
} else {
if (containerLog.isTraceEnabled())
containerLog.trace(
sm.getString("dataSourceRealm.authenticateFailure",
username));
return (null);
}
ArrayList<String> list = getRoles(dbConnection, username);
// Create and return a suitable Principal for this user
return (new GenericPrincipal(this, username, credentials, list));
}
/**
* Close the specified database connection.
*
* @param dbConnection The connection to be closed
*/
protected void close(Connection dbConnection) {
// Do nothing if the database connection is already closed
if (dbConnection == null)
return;
// Commit if not auto committed
try {
if (!dbConnection.getAutoCommit()) {
dbConnection.commit();
}
} catch (SQLException e) {
containerLog.error("Exception committing connection before closing:", e);
}
// Close this database connection, and log any errors
try {
dbConnection.close();
} catch (SQLException e) {
containerLog.error(sm.getString("dataSourceRealm.close"), e); // Just log it here
}
}
/**
* Open the specified database connection.
*
* @return Connection to the database
*/
protected Connection open() {
try {
Context context = null;
if (localDataSource) {
context = ContextBindings.getClassLoader();
context = (Context) context.lookup("comp/env");
} else {
StandardServer server =
(StandardServer) ServerFactory.getServer();
context = server.getGlobalNamingContext();
}
DataSource dataSource = (DataSource)context.lookup(dataSourceName);
return dataSource.getConnection();
} catch (Exception e) {
// Log the problem for posterity
containerLog.error(sm.getString("dataSourceRealm.exception"), e);
}
return null;
}
/**
* Return a short name for this Realm implementation.
*/
protected String getName() {
return (name);
}
/**
* Return the password associated with the given principal's user name.
*/
protected String getPassword(String username) {
Connection dbConnection = null;
// Ensure that we have an open database connection
dbConnection = open();
if (dbConnection == null) {
return null;
}
try {
return getPassword(dbConnection, username);
} finally {
close(dbConnection);
}
}
/**
* Return the password associated with the given principal's user name.
* @param dbConnection The database connection to be used
* @param username Username for which password should be retrieved
*/
protected String getPassword(Connection dbConnection,
String username) {
ResultSet rs = null;
PreparedStatement stmt = null;
String dbCredentials = null;
try {
stmt = credentials(dbConnection, username);
rs = stmt.executeQuery();
if (rs.next()) {
dbCredentials = rs.getString(1);
}
return (dbCredentials != null) ? dbCredentials.trim() : null;
} catch(SQLException e) {
containerLog.error(
sm.getString("dataSourceRealm.getPassword.exception",
username));
} finally {
try {
if (rs != null) {
rs.close();
}
if (stmt != null) {
stmt.close();
}
} catch (SQLException e) {
containerLog.error(
sm.getString("dataSourceRealm.getPassword.exception",
username));
}
}
return null;
}
/**
* Return the Principal associated with the given user name.
*/
protected Principal getPrincipal(String username) {
Connection dbConnection = open();
if (dbConnection == null) {
return new GenericPrincipal(this,username, null, null);
}
try {
return (new GenericPrincipal(this,
username,
getPassword(dbConnection, username),
getRoles(dbConnection, username)));
} finally {
close(dbConnection);
}
}
/**
* Return the roles associated with the given user name.
* @param username Username for which roles should be retrieved
*/
protected ArrayList getRoles(String username) {
Connection dbConnection = null;
// Ensure that we have an open database connection
dbConnection = open();
if (dbConnection == null) {
return null;
}
try {
return getRoles(dbConnection, username);
} finally {
close(dbConnection);
}
}
/**
* Return the roles associated with the given user name
* @param dbConnection The database connection to be used
* @param username Username for which roles should be retrieved
*/
protected ArrayList<String> getRoles(Connection dbConnection,
String username) {
ResultSet rs = null;
PreparedStatement stmt = null;
ArrayList<String> list = null;
try {
stmt = roles(dbConnection, username);
rs = stmt.executeQuery();
list = new ArrayList<String>();
while (rs.next()) {
String role = rs.getString(1);
if (role != null) {
list.add(role.trim());
}
}
return list;
} catch(SQLException e) {
containerLog.error(
sm.getString("dataSourceRealm.getRoles.exception", username));
}
finally {
try {
if (rs != null) {
rs.close();
}
if (stmt != null) {
stmt.close();
}
} catch (SQLException e) {
containerLog.error(
sm.getString("dataSourceRealm.getRoles.exception",
username));
}
}
return null;
}
/**
* Return a PreparedStatement configured to perform the SELECT required
* to retrieve user credentials for the specified username.
*
* @param dbConnection The database connection to be used
* @param username Username for which credentials should be retrieved
*
* @exception SQLException if a database error occurs
*/
private PreparedStatement credentials(Connection dbConnection,
String username)
throws SQLException {
PreparedStatement credentials =
dbConnection.prepareStatement(preparedCredentials);
credentials.setString(1, username);
return (credentials);
}
/**
* Return a PreparedStatement configured to perform the SELECT required
* to retrieve user roles for the specified username.
*
* @param dbConnection The database connection to be used
* @param username Username for which roles should be retrieved
*
* @exception SQLException if a database error occurs
*/
private PreparedStatement roles(Connection dbConnection, String username)
throws SQLException {
PreparedStatement roles =
dbConnection.prepareStatement(preparedRoles);
roles.setString(1, username);
return (roles);
}
// ------------------------------------------------------ Lifecycle Methods
/**
*
* Prepare for active use of the public methods of this Component.
*
* @exception LifecycleException if this component detects a fatal error
* that prevents it from being started
*/
public void start() throws LifecycleException {
// Perform normal superclass initialization
super.start();
// Create the roles PreparedStatement string
StringBuffer temp = new StringBuffer("SELECT ");
temp.append(roleNameCol);
temp.append(" FROM ");
temp.append(userRoleTable);
temp.append(" WHERE ");
temp.append(userNameCol);
temp.append(" = ?");
preparedRoles = temp.toString();
// Create the credentials PreparedStatement string
temp = new StringBuffer("SELECT ");
temp.append(userCredCol);
temp.append(" FROM ");
temp.append(userTable);
temp.append(" WHERE ");
temp.append(userNameCol);
temp.append(" = ?");
preparedCredentials = temp.toString();
}
/**
* Gracefully shut down active use of the public methods of this Component.
*
* @exception LifecycleException if this component detects a fatal error
* that needs to be reported
*/
public void stop() throws LifecycleException {
// Perform normal superclass finalization
super.stop();
}
}
The table below shows all metrics for DataSourceRealm.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 71.00 | Number of blocks | |
| BLOCK_COMMENT | 16.00 | Number of block comment lines | |
| COMMENTS | 238.00 | Comment lines | |
| COMMENT_DENSITY | 1.00 | Comment density | |
| COMPARISONS | 19.00 | Number of comparison operators | |
| CYCLOMATIC | 56.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 48.00 | Comments in declarations | |
| DOC_COMMENT | 197.00 | Number of javadoc comment lines | |
| ELOC | 239.00 | Effective lines of code | |
| EXEC_COMMENTS | 19.00 | Comments in executable code | |
| EXITS | 37.00 | Procedure exits | |
| FUNCTIONS | 28.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 57.73 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 67.00 | 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 | 1.00 | 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 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 4.00 | 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 | 1.00 | 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 | 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 | 2.00 | 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 | 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 | 17.00 | 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 | 1.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 0.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 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 | 91.00 | 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 | 1.00 | 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 | 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 | 663.00 | Number of lines in the source file | |
| LINE_COMMENT | 25.00 | Number of line comments | |
| LOC | 295.00 | Lines of code | |
| LOGICAL_LINES | 136.00 | Number of statements | |
| LOOPS | 1.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 524.00 | Number of operands | |
| OPERATORS | 1047.00 | Number of operators | |
| PARAMS | 24.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1571.00 | Halstead program length | |
| PROGRAM_VOCAB | 216.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 43.00 | Number of return points from functions | |
| SIZE | 18683.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 177.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 39.00 | Number of unique operators | |
| WHITESPACE | 130.00 | Number of whitespace lines | |