if (in != null) { try { in.close(); in = null; } catch (IOException e) { // ignore } }
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; }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/tests/junit/org/apache/tools/mail/MailMessageTest.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/util/ProxySetup.java
Method name: void disconnect() Method name: String getSystemProxySetting()
Number of AST nodes: 4 Number of AST nodes: 2
1
if (in != null) {
2
                try {
3
                    in.close();
4
                    in = null;
5
        
1
try {
2
            return System.getProperty(USE_SYSTEM_PROXIES);
6
        } catch (IOException e) {
3
        } catch (SecurityException e) {
7
                    // ignore
4
            
8
                }
9
    
5
//if you cannot read it, you won't be able to write it either
6
            return null;
10
        }
7
        }
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