try { return System.getProperty(USE_SYSTEM_PROXIES); } catch (SecurityException e) { //if you cannot read it, you won't be able to write it either return null; }
try { return (Node) elementAt(i); } catch (ArrayIndexOutOfBoundsException e) { return null; // conforming to NodeList interface }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/ProxySetup.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/junit/DOMUtil.java
Method name: String getSystemProxySetting() Method name: Node item(int)
Number of AST nodes: 2 Number of AST nodes: 2
1
try {
1
try {
2
            return System.getProperty(USE_SYSTEM_PROXIES);
2
                return 
3
        } catch (SecurityException e) {
4
            //if you cannot read it, you won't be able to write it either
5
            return null;
3
(Node) elementAt(i);
4
            } catch (ArrayIndexOutOfBoundsException e) {
5
                return null; // conforming to NodeList interface
6
        }
6
            }
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 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)0.3
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    try
    1
    try
    1
    try
    Differences
    Expression1Expression2Difference
    java.lang.SecurityExceptionjava.lang.ArrayIndexOutOfBoundsExceptionSUBCLASS_TYPE_MISMATCH
    java.lang.SecurityExceptionjava.lang.ArrayIndexOutOfBoundsExceptionSUBCLASS_TYPE_MISMATCH
    1
    try
                                                              
    2
    return (Node)elementAt(i);
    Preondition Violations
    Unmatched return (Node)elementAt(i);
    2
    return (Node)elementAt(i);
    2
    return System.getProperty(USE_SYSTEM_PROXIES);
    2
    return System.getProperty(USE_SYSTEM_PROXIES);
    Preondition Violations
    Unmatched return System.getProperty(USE_SYSTEM_PROXIES);
                                                                                                      
    Precondition Violations (2)
    Row Violation
    1Unmatched return (Node)elementAt(i);
    2Unmatched return System.getProperty(USE_SYSTEM_PROXIES);