while (slowScanning) { try { slowScanLock.wait(); } catch (InterruptedException e) { // Empty } }
for (int i = 0; i < pathElements.length; ++i) { try { addPathElement(pathElements[i]); } catch (BuildException e) { // ignore path elements which are invalid // relative to the project } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/DirectoryScanner.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/AntClassLoader.java
Method name: void slowScan() Method name: void setClassPath(Path)
Number of AST nodes: 3 Number of AST nodes: 3
1
while (slowScanning) {
2
    
1
for (int i = 0; i < pathElements.length; ++i) {
3
                try {
2
                try {
4
                        slowScanLock.wait();
3
                    addPathElement(pathElements[i]);
5
                    } catch (InterruptedException e) {
4
                } catch (BuildException e) {
6
                        // Empty
5
                    
7
                    }
6
// ignore path elements which are invalid
7
                    // relative to the project
8
                }
8
                }
9
            }
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)0.1
Clones locationClones are in different classes
Number of node comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)72.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    6
    try
    6
    try
    6
    try
    Differences
    Expression1Expression2Difference
    java.lang.InterruptedExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.InterruptedExceptionorg.apache.tools.ant.BuildExceptionSUBCLASS_TYPE_MISMATCH
    6
    try
    7
    slowScanLock.wait();
    7
    slowScanLock.wait();
    7
    addPathElement(pathElements[i]);
    Differences
    Expression1Expression2Difference
    waitaddPathElementMETHOD_INVOCATION_NAME_MISMATCH
    slowScanLock.wait()addPathElement(pathElements[i])ARGUMENT_NUMBER_MISMATCH
    slowScanLockMISSING_METHOD_INVOCATION_EXPRESSION
    Preondition Violations
    Expression slowScanLock.wait() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    Expression addPathElement(pathElements[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression slowScanLock.wait() is a void method call, and thus it cannot be parameterized
    Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
    Expression slowScanLock.wait() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
    Expression slowScanLock.wait() is a void method call, and thus it cannot be parameterized
    Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
    7
    addPathElement(pathElements[i]);
    Precondition Violations (8)
    Row Violation
    1Expression slowScanLock.wait() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    2Expression addPathElement(pathElements[i]) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression slowScanLock.wait() is a void method call, and thus it cannot be parameterized
    4Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized
    5Expression slowScanLock.wait() is a method call throwing exception(s) that should be caught by a try block that will be extracted
    6Expression addPathElement(pathElements[i]) is a method call throwing exception(s) that should be caught by a try block that will be extracted
    7Expression slowScanLock.wait() is a void method call, and thus it cannot be parameterized
    8Expression addPathElement(pathElements[i]) is a void method call, and thus it cannot be parameterized