try { messageDigest = MessageDigest.getInstance(algorithm); } catch (NoSuchAlgorithmException noalgo) { throw new BuildException(noalgo, getLocation()); }
try { return new String(bytes, encoding); } catch (UnsupportedEncodingException uee) { throw new ZipException(uee.getMessage()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java File path: /apache-ant-1.7.0/src/org/apache/tools/zip/ZipFile.java
Method name: boolean validateAndExecute() Method name: String getString(byte[])
Number of AST nodes: 2 Number of AST nodes: 2
1
try {
1
try {
2
                messageDigest = MessageDigest.getInstance(algorithm);
2
                return new String(bytes, encoding);
3
            } catch (NoSuchAlgorithmException noalgo) {
3
            } catch (UnsupportedEncodingException uee) {
4
                throw new BuildException(noalgo, getLocation());
4
                throw new ZipException(uee.getMessage());
5
            }
5
            }
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 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)0.5
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    32
    try
    32
    try
    3
    try
    Differences
    Expression1Expression2Difference
    java.security.NoSuchAlgorithmExceptionjava.io.UnsupportedEncodingExceptionSUBCLASS_TYPE_MISMATCH
    noalgoueeVARIABLE_NAME_MISMATCH
    java.security.NoSuchAlgorithmExceptionjava.io.UnsupportedEncodingExceptionSUBCLASS_TYPE_MISMATCH
    org.apache.tools.ant.BuildExceptionjava.util.zip.ZipExceptionSUBCLASS_TYPE_MISMATCH
    new BuildException(noalgo,getLocation())new ZipException(uee.getMessage())ARGUMENT_NUMBER_MISMATCH
    3
    try
                                                                              
    4
    return new String(bytes, encoding);
    Preondition Violations
    Unmatched return new String(bytes,encoding);
    4
    return new String(bytes, encoding);
    33
    messageDigest = MessageDigest.getInstance(algorithm);
    33
    messageDigest = MessageDigest.getInstance(algorithm);
    Preondition Violations
    Unmatched statement messageDigest=MessageDigest.getInstance(algorithm); 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 (2)
    Row Violation
    1Unmatched return new String(bytes,encoding);
    2Unmatched statement messageDigest=MessageDigest.getInstance(algorithm); 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