if (from.getResource() != null) { to.setResource(from.getResource()); } if (from.getPrefix() != null) { to.setPrefix(from.getPrefix()); } if (from.getRefid() != null) { to.setRefid(from.getRefid()); } if (from.getEnvironment() != null) { to.setEnvironment(from.getEnvironment()); } if (from.getClasspath() != null) { to.setClasspath(from.getClasspath()); }
if (from.getValue() != null) { to.setValue(from.getValue()); } if (from.getFile() != null) { to.setFile(from.getFile()); } if (from.getResource() != null) { to.setResource(from.getResource()); } if (from.getPrefix() != null) { to.setPrefix(from.getPrefix()); } if (from.getRefid() != null) { to.setRefid(from.getRefid()); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SubAnt.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/SubAnt.java
Method name: void copyProperty(Property, Property) Method name: void copyProperty(Property, Property)
Number of AST nodes: 10 Number of AST nodes: 10
1
if (from.getValue() != null) {
2
            to.setValue(from.getValue());
3
        }
4
        if (from.getFile() != null) {
5
            to.setFile(from.getFile());
6
        }
1
if (from.getResource() != null) {
7
        if (from.getResource() != null) {
2
            to.setResource(from.getResource());
8
            to.setResource(from.getResource());
3
        }
9
        }
4
        if (from.getPrefix() != null) {
10
        if (from.getPrefix() != null) {
5
            to.setPrefix(from.getPrefix());
11
            to.setPrefix(from.getPrefix());
6
        }
12
        }
7
        if (from.getRefid() != null) {
13
        if (from.getRefid() != null) {
8
            to.setRefid(from.getRefid());
14
            to.setRefid(from.getRefid());
9
        }
15
        }
10
        if (from.getEnvironment() != null) {
11
            to.setEnvironment(from.getEnvironment());
12
        }
13
        if (from.getClasspath() != null) {
14
            to.setClasspath(from.getClasspath());
15
        }
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)1.5
Clones locationClones are in the same method
Number of node comparisons70
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements10
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)5.7
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    6
    if (from.getResource() != null)
    6
    if (from.getResource() != null)
    7
    to.setResource(from.getResource());
    7
    to.setResource(from.getResource());
    8
    if (from.getPrefix() != null)
    8
    if (from.getPrefix() != null)
    9
    to.setPrefix(from.getPrefix());
    9
    to.setPrefix(from.getPrefix());
    10
    if (from.getRefid() != null)
    10
    if (from.getRefid() != null)
    11
    to.setRefid(from.getRefid());
    11
    to.setRefid(from.getRefid());
    12
    if (from.getEnvironment() != null)
    12
    if (from.getEnvironment() != null)
    4
    if (from.getFile() != null)
    Differences
    Expression1Expression2Difference
    getEnvironmentgetFileMETHOD_INVOCATION_NAME_MISMATCH
    java.lang.Stringjava.io.FileVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable from.getEnvironment() does not match with type java.io.File of variable from.getFile()
    • Make classes java.lang.String and java.io.File extend a common superclass
    4
    if (from.getFile() != null)
    13
    to.setEnvironment(from.getEnvironment());
    13
    to.setEnvironment(from.getEnvironment());
    5
    to.setFile(from.getFile());
    Differences
    Expression1Expression2Difference
    setEnvironmentsetFileMETHOD_INVOCATION_NAME_MISMATCH
    getEnvironmentgetFileMETHOD_INVOCATION_NAME_MISMATCH
    java.lang.Stringjava.io.FileVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression to.setEnvironment(from.getEnvironment()) is a void method call, and thus it cannot be parameterized
    Expression to.setFile(from.getFile()) is a void method call, and thus it cannot be parameterized
    Type java.lang.String of variable from.getEnvironment() does not match with type java.io.File of variable from.getFile()
    • Make classes java.lang.String and java.io.File extend a common superclass
    5
    to.setFile(from.getFile());
    14
    if (from.getClasspath() != null)
    14
    if (from.getClasspath() != null)
    2
    if (from.getValue() != null)
    Differences
    Expression1Expression2Difference
    getClasspathgetValueMETHOD_INVOCATION_NAME_MISMATCH
    org.apache.tools.ant.types.Pathjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type org.apache.tools.ant.types.Path of variable from.getClasspath() does not match with type java.lang.String of variable from.getValue()
    • Make classes org.apache.tools.ant.types.Path and java.lang.String extend a common superclass
    2
    if (from.getValue() != null)
    15
    to.setClasspath(from.getClasspath());
    15
    to.setClasspath(from.getClasspath());
    3
    to.setValue(from.getValue());
    Differences
    Expression1Expression2Difference
    setClasspathsetValueMETHOD_INVOCATION_NAME_MISMATCH
    getClasspathgetValueMETHOD_INVOCATION_NAME_MISMATCH
    org.apache.tools.ant.types.Pathjava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Expression to.setClasspath(from.getClasspath()) is a void method call, and thus it cannot be parameterized
    Expression to.setValue(from.getValue()) is a void method call, and thus it cannot be parameterized
    Type org.apache.tools.ant.types.Path of variable from.getClasspath() does not match with type java.lang.String of variable from.getValue()
    • Make classes org.apache.tools.ant.types.Path and java.lang.String extend a common superclass
    3
    to.setValue(from.getValue());
    Precondition Violations (8)
    Row Violation
    1Type java.lang.String of variable from.getEnvironment() does not match with type java.io.File of variable from.getFile()
    2Expression to.setEnvironment(from.getEnvironment()) is a void method call, and thus it cannot be parameterized
    3Expression to.setFile(from.getFile()) is a void method call, and thus it cannot be parameterized
    4Type java.lang.String of variable from.getEnvironment() does not match with type java.io.File of variable from.getFile()
    5Type org.apache.tools.ant.types.Path of variable from.getClasspath() does not match with type java.lang.String of variable from.getValue()
    6Expression to.setClasspath(from.getClasspath()) is a void method call, and thus it cannot be parameterized
    7Expression to.setValue(from.getValue()) is a void method call, and thus it cannot be parameterized
    8Type org.apache.tools.ant.types.Path of variable from.getClasspath() does not match with type java.lang.String of variable from.getValue()