File commandDir = workingDir; if (workingDir == null) { if (project != null) { commandDir = project.getBaseDir(); } else { return exec(project, cmd, env); } } // Use cmd.exe to change to the specified drive and // directory before running the command final int preCmdLength = 7;
File commandDir = workingDir; if (workingDir == null) { if (project != null) { commandDir = project.getBaseDir(); } else { return exec(project, cmd, env); } } // Use cmd.exe to change to the specified directory before running // the command final int preCmdLength = 6;
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Execute.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Execute.java
Method name: Process exec(Project, String[], String[], File) Method name: Process exec(Project, String[], String[], File)
Number of AST nodes: 6 Number of AST nodes: 6
1
File commandDir = workingDir;
1
File commandDir = workingDir;
2
            if (workingDir == null) {
2
            if (workingDir == null) {
3
                if (project != null) {
3
                if (project != null) {
4
                    commandDir = project.getBaseDir();
4
                    commandDir = project.getBaseDir();
5
                } else {
5
                } else {
6
                    return exec(project, cmd, env);
6
                    return exec(project, cmd, env);
7
                }
7
                }
8
            }
8
            }
9
            // Use cmd.exe to change to the specified drive and
9
            // Use cmd.exe to change to the specified
10
            // directory before running
10
 directory before running
11
 the command
11
            // the command
12
            final int preCmdLength = 7;
12
            final int preCmdLength = 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)0.2
Clones locationClones are in the same java file
Number of node comparisons14
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements6
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)2.6
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    File commandDir = workingDir;
    1
    File commandDir = workingDir;
    2
    if (workingDir == null)
    2
    if (workingDir == null)
    3
    if (project != null)
    3
    if (project != null)
    4
    commandDir = project.getBaseDir();
    4
    commandDir = project.getBaseDir();
    else
    else
    5
    return exec(project, cmd, env);
    5
    return exec(project, cmd, env);
    6
    final int preCmdLength = 7;
    6
    final int preCmdLength = 7;
    6
    final int preCmdLength = 6;
    Differences
    Expression1Expression2Difference
    76LITERAL_VALUE_MISMATCH
    6
    final int preCmdLength = 6;
    Precondition Violations (2)
    Row Violation
    1Clone fragment #1 returns variables commandDir, preCmdLength , while Clone fragment #2 returns variables preCmdLength, commandDir
    2Not all possible execution flows end in a return statement