if (null != specificationVersion) { sb.append(SPECIFICATION_VERSION); sb.append(brace); sb.append(specificationVersion); sb.append(StringUtils.LINE_SEP); } if (null != specificationVendor) { sb.append(SPECIFICATION_VENDOR); sb.append(brace); sb.append(specificationVendor); sb.append(StringUtils.LINE_SEP); } if (null != implementationTitle) { sb.append(IMPLEMENTATION_TITLE); sb.append(brace); sb.append(implementationTitle); sb.append(StringUtils.LINE_SEP); }
if (null != specificationVersion) { sb.append(SPECIFICATION_VERSION); sb.append(brace); sb.append(specificationVersion); sb.append(StringUtils.LINE_SEP); } if (null != specificationVendor) { sb.append(SPECIFICATION_VENDOR); sb.append(brace); sb.append(specificationVendor); sb.append(StringUtils.LINE_SEP); } if (null != implementationVersion) { sb.append(IMPLEMENTATION_VERSION); sb.append(brace); sb.append(implementationVersion); sb.append(StringUtils.LINE_SEP); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Specification.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/Extension.java
Method name: String toString() Method name: String toString()
Number of AST nodes: 15 Number of AST nodes: 15
1
if (null != specificationVersion) {
1
if (null != specificationVersion) {
2
            sb.append(SPECIFICATION_VERSION);
2
            sb.append(SPECIFICATION_VERSION);
3
            sb.append(brace);
3
            sb.append(brace);
4
            sb.append(specificationVersion);
4
            sb.append(specificationVersion);
5
            sb.append(StringUtils.LINE_SEP);
5
            sb.append(StringUtils.LINE_SEP);
6
        }
6
        }
7
        if (null != specificationVendor) {
7
        if (null != specificationVendor) {
8
            sb.append(SPECIFICATION_VENDOR);
8
            sb.append(SPECIFICATION_VENDOR);
9
            sb.append(brace);
9
            sb.append(brace);
10
            sb.append(specificationVendor);
10
            sb.append(specificationVendor);
11
            sb.append(StringUtils.LINE_SEP);
11
            sb.append(StringUtils.LINE_SEP);
12
        }
12
        }
13
        if (null != implementationTitle) {
13
        if (null != implementationVersion) {
14
            sb.append(IMPLEMENTATION_TITLE);
14
            sb.append(IMPLEMENTATION_VERSION);
15
            sb.append(brace);
15
            sb.append(brace);
16
            sb.append(implementationTitle);
16
            sb.append(implementationVersion);
17
            sb.append(StringUtils.LINE_SEP);
17
            sb.append(StringUtils.LINE_SEP);
18
        }
18
        }
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)0.4
Clones locationClones are in different classes
Number of node comparisons153
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements15
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)7.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    6
    if (null != specificationVersion)
    6
    if (null != specificationVersion)
    7
    sb.append(SPECIFICATION_VERSION);
    7
    sb.append(SPECIFICATION_VERSION);
    8
    sb.append(brace);
    8
    sb.append(brace);
    9
    sb.append(specificationVersion);
    9
    sb.append(specificationVersion);
    10
    sb.append(StringUtils.LINE_SEP);
    10
    sb.append(StringUtils.LINE_SEP);
    11
    if (null != specificationVendor)
    11
    if (null != specificationVendor)
    12
    sb.append(SPECIFICATION_VENDOR);
    12
    sb.append(SPECIFICATION_VENDOR);
    13
    sb.append(brace);
    13
    sb.append(brace);
    14
    sb.append(specificationVendor);
    14
    sb.append(specificationVendor);
    15
    sb.append(StringUtils.LINE_SEP);
    15
    sb.append(StringUtils.LINE_SEP);
    16
    if (null != implementationTitle)
    16
    if (null != implementationTitle)
    16
    if (null != implementationVersion)
    Differences
    Expression1Expression2Difference
    implementationTitleimplementationVersionVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.taskdefs.optional.extension.DeweyDecimalVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable implementationTitle does not match with type org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal of variable implementationVersion
    • Make classes java.lang.String and org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal extend a common superclass
    16
    if (null != implementationVersion)
    17
    sb.append(IMPLEMENTATION_TITLE);
    17
    sb.append(IMPLEMENTATION_TITLE);
    17
    sb.append(IMPLEMENTATION_VERSION);
    Differences
    Expression1Expression2Difference
    IMPLEMENTATION_TITLEIMPLEMENTATION_VERSIONVARIABLE_NAME_MISMATCH
    17
    sb.append(IMPLEMENTATION_VERSION);
    18
    sb.append(brace);
    18
    sb.append(brace);
    19
    sb.append(implementationTitle);
    19
    sb.append(implementationTitle);
    19
    sb.append(implementationVersion);
    Differences
    Expression1Expression2Difference
    implementationTitleimplementationVersionVARIABLE_NAME_MISMATCH
    java.lang.Stringorg.apache.tools.ant.taskdefs.optional.extension.DeweyDecimalVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.lang.String of variable implementationTitle does not match with type org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal of variable implementationVersion
    • Make classes java.lang.String and org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal extend a common superclass
    19
    sb.append(implementationVersion);
    20
    sb.append(StringUtils.LINE_SEP);
    20
    sb.append(StringUtils.LINE_SEP);
    Precondition Violations (2)
    Row Violation
    1Type java.lang.String of variable implementationTitle does not match with type org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal of variable implementationVersion
    2Type java.lang.String of variable implementationTitle does not match with type org.apache.tools.ant.taskdefs.optional.extension.DeweyDecimal of variable implementationVersion