try { SysProperties c = (SysProperties) super.clone(); c.variables = (Vector) variables.clone(); c.propertySets = (Vector) propertySets.clone(); return c; } catch (CloneNotSupportedException e) { return null; }
try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo, getLocation()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/CommandlineJava.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java
Method name: Object clone() Method name: boolean validateAndExecute()
Number of AST nodes: 5 Number of AST nodes: 2
1
try {
1
try {
2
                SysProperties c = (SysProperties) super.clone();
2
                
3
                c.variables = (Vector) variables.clone();
4
                c.propertySets = (Vector) propertySets.clone();
5
                return c;
3
messageDigest = MessageDigest.getInstance(algorithm);
6
            } catch (CloneNotSupportedException e) {
4
            } catch (NoSuchAlgorithmException noalgo) {
7
                return null;
5
                throw new BuildException(noalgo, getLocation());
8
            }
6
            }
Summary
Number of common nesting structure subtrees0
Number of refactorable cases0
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.1
Clones locationClones are in different classes
Number of node comparisons1