if (errorBaos != null) { try { errorBaos.close(); } catch (IOException eyeOhEx) { // Ignore exception } }
if (classLoader != null) { try { clazz = classLoader.loadClass(helperClass); } catch (ClassNotFoundException ex) { // try next method } }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Redirector.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/ProjectHelper.java
Method name: void setProperties() Method name: ProjectHelper newHelper(String)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (errorBaos != null) {
1
if (classLoader != null) {
2
            try {
2
                try {
3
                errorBaos.close();
3
                
4
    clazz = classLoader.loadClass(helperClass);
4
            } catch (IOException eyeOhEx) {
5
                } catch (ClassNotFoundException ex) {
5
                // Ignore exception
6
                
7
    // try next method
6
            }
8
             
9
   }
7
        }
10
            }
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 comparisons5
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements2
    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
    4
    if (errorBaos != null)
    4
    if (errorBaos != null)
    4
    if (classLoader != null)
    Differences
    Expression1Expression2Difference
    errorBaosclassLoaderVARIABLE_NAME_MISMATCH
    org.apache.tools.ant.taskdefs.Redirector.PropertyOutputStreamjava.lang.ClassLoaderVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.taskdefs.Redirector.PropertyOutputStream of variable errorBaos does not match with type java.lang.ClassLoader of variable classLoader
    • Make classes org.apache.tools.ant.taskdefs.Redirector.PropertyOutputStream and java.lang.ClassLoader extend a common superclass
    4
    if (classLoader != null)
    5
    try
    5
    try
    5
    try
    Differences
    Expression1Expression2Difference
    java.io.IOExceptionjava.lang.ClassNotFoundExceptionSUBCLASS_TYPE_MISMATCH
    eyeOhExexVARIABLE_NAME_MISMATCH
    java.io.IOExceptionjava.lang.ClassNotFoundExceptionSUBCLASS_TYPE_MISMATCH
    5
    try
                                                                                            
    6
    clazz = classLoader.loadClass(helperClass);
    Preondition Violations
    Unmatched statement clazz=classLoader.loadClass(helperClass); 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
    6
    clazz = classLoader.loadClass(helperClass);
    6
    errorBaos.close();
    6
    errorBaos.close();
    Preondition Violations
    Unmatched statement errorBaos.close(); 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
                                              
    Precondition Violations (3)
    Row Violation
    1Type org.apache.tools.ant.taskdefs.Redirector.PropertyOutputStream of variable errorBaos does not match with type java.lang.ClassLoader of variable classLoader
    2Unmatched statement clazz=classLoader.loadClass(helperClass); 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
    3Unmatched statement errorBaos.close(); 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