if ( jdbcDriverClass == null ) { log.warn( "No JDBC Driver class was specified by property " + Environment.DRIVER ); } else { try { Class.forName( jdbcDriverClass ); } catch ( ClassNotFoundException cnfe ) { try { ReflectHelper.classForName( jdbcDriverClass ); } catch ( ClassNotFoundException e ) { String msg = "JDBC Driver class not found: " + jdbcDriverClass; log.error( msg, e ); throw new HibernateException( msg, e ); } } }
if (driverClass==null) { log.warn("no JDBC Driver class was specified by property " + Environment.DRIVER); } else { try { // trying via forName() first to be as close to DriverManager's semantics Class.forName(driverClass); } catch (ClassNotFoundException cnfe) { try { ReflectHelper.classForName(driverClass); } catch (ClassNotFoundException e) { String msg = "JDBC Driver class not found: " + driverClass; log.error( msg, e ); throw new HibernateException(msg, e); } } }
Clone fragments detected by clone detection tool
File path: /hibernate-distribution-3.3.2.GA/project/connection-c3p0/src/main/java/org/hibernate/connection/C3P0ConnectionProvider.java File path: /hibernate-distribution-3.3.2.GA/project/core/src/main/java/org/hibernate/connection/DriverManagerConnectionProvider.java
Method name: void configure(Properties) Method name: void configure(Properties)
Number of AST nodes: 4 Number of AST nodes: 4
1
if ( jdbcDriverClass == null ) {
1
if (driverClass==null) {
2
			log.warn( "No JDBC Driver class was specified by property " + Environment.DRIVER );
2
			log.warn("no JDBC Driver class was specified by property " + Environment.DRIVER);
3
		}
3
		}
4
		else {
4
		else {
5
			try {
5
			try {
6
				
6
				// trying via forName() first to be as close to DriverManager's semantics
7
Class.forName( jdbcDriverClass );
7
				Class.forName(driverClass);
8
			}
8
			}
9
			catch ( ClassNotFoundException cnfe ) {
9
			catch (ClassNotFoundException cnfe) {
10
				try {
10
				try {
11
					ReflectHelper.classForName( jdbcDriverClass );
11
					ReflectHelper.classForName(driverClass);
12
				}
12
				}
13
				catch ( ClassNotFoundException e ) {
13
				catch (ClassNotFoundException e) {
14
					String msg = "JDBC Driver class not found: " + jdbcDriverClass;
14
					String msg = "JDBC Driver class not found: " + driverClass;
15
					log.error( msg, e );
15
					log.error( msg, e );
16
					throw new HibernateException( msg, e );
16
					throw new HibernateException(msg, e);
17
				}
17
				}
18
			}
18
			}
19
		}
19
		}
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.6
Clones locationClones are in different classes
Number of node comparisons8
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    8
    if (jdbcDriverClass == null)
    8
    if (jdbcDriverClass == null)
    10
    if (driverClass == null)
    Differences
    Expression1Expression2Difference
    jdbcDriverClassdriverClassVARIABLE_NAME_MISMATCH
    10
    if (driverClass == null)
    9
    log.warn("No JDBC Driver class was specified by property " + Environment.DRIVER);
    9
    log.warn("No JDBC Driver class was specified by property " + Environment.DRIVER);
    11
    log.warn("no JDBC Driver class was specified by property " + Environment.DRIVER);
    Differences
    Expression1Expression2Difference
    "No JDBC Driver class was specified by property ""no JDBC Driver class was specified by property "LITERAL_VALUE_MISMATCH
    11
    log.warn("no JDBC Driver class was specified by property " + Environment.DRIVER);
    10
    try
    10
    try
    12
    try
    Differences
    Expression1Expression2Difference
    jdbcDriverClassdriverClassVARIABLE_NAME_MISMATCH
    jdbcDriverClassdriverClassVARIABLE_NAME_MISMATCH
    12
    try
    11
    Class.forName(jdbcDriverClass);
    11
    Class.forName(jdbcDriverClass);
    13
    Class.forName(driverClass);
    Differences
    Expression1Expression2Difference
    jdbcDriverClassdriverClassVARIABLE_NAME_MISMATCH
    13
    Class.forName(driverClass);
    Precondition Violations (0)
    Row Violation