if (builderFactory == null) { try { builderFactory = DocumentBuilderFactory.newInstance(); } catch (FactoryConfigurationError e) { throw new BuildException("Document builder factory has not " + "been configured correctly: " + e.getMessage(), e); } }
try { super.processBuffer(); } catch (IOException e) { // impossible since *our* processLine doesn't throw an IOException throw new RuntimeException("Impossible IOException caught: " + e); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/JAXPUtils.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/LogOutputStream.java
Method name: DocumentBuilderFactory getDocumentBuilderFactory() Method name: void processBuffer()
Number of AST nodes: 3 Number of AST nodes: 2
1
if (builderFactory == null) {
2
            try {
1
try {
3
                builderFactory = DocumentBuilderFactory.newInstance();
2
            
4
            } catch (FactoryConfigurationError e) {
5
                throw new BuildException("Document builder factory has not "
6
                                         + "been configured correctly: "
7
                                         + e.getMessage(), e);
8
            }
3
super.processBuffer();
4
        } catch (IOException e) {
5
            // impossible since *our* processLine doesn't throw an IOException
6
            throw new RuntimeException("Impossible IOException caught: " + e);
9
        }
7
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are in different classes
Number of node comparisons4
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements1
    Number of unmapped statements in the first code fragment1
    Number of unmapped statements in the second code fragment1
    Time elapsed for statement mapping (ms)0.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    2
    try
    2
    try
    1
    try
    Differences
    Expression1Expression2Difference
    javax.xml.parsers.FactoryConfigurationErrorjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    javax.xml.parsers.FactoryConfigurationErrorjava.io.IOExceptionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.BuildExceptionjava.lang.RuntimeExceptionSUBCLASS_TYPE_MISMATCH
    new BuildException("Document builder factory has not " + "been configured correctly: " + e.getMessage(),e)new RuntimeException("Impossible IOException caught: " + e)ARGUMENT_NUMBER_MISMATCH
    1
    try
                                                      
    2
    super.processBuffer();
    Preondition Violations
    Unmatched statement super.processBuffer(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted
    2
    super.processBuffer();
    3
    builderFactory = DocumentBuilderFactory.newInstance();
                                                                                                                  
    Precondition Violations (1)
    Row Violation
    1Unmatched statement super.processBuffer(); cannot be moved before or after the extracted code, because it throws exception(s) that should be caught by a try block that will be extracted