if (null == antfile) { final String message = "Must specify Buildfile"; throw new BuildException(message); } if (null == destfile) { final String message = "Must specify destination file"; throw new BuildException(message); }
if (null == propertyName) { final String message = "Property attribute must be specified."; throw new BuildException(message); } if (null == requiredExtension) { final String message = "Extension element must be specified."; throw new BuildException(message); }
Clone fragments detected by clone detection tool
File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/resolvers/AntResolver.java File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/optional/extension/JarLibResolveTask.java
Method name: void validate() Method name: void validate()
Number of AST nodes: 6 Number of AST nodes: 6
1
if (null == antfile) {
1
if (null == propertyName) {
2
            final String message = "Must specify Buildfile";
2
            final String message = "Property attribute must be specified.";
3
            throw new BuildException(message);
3
            throw new BuildException(message);
4
        }
4
        }
5
        if (null == destfile) {
5
        if (null == requiredExtension) {
6
            final String message = "Must specify destination file";
6
            final String message = "Extension element must be specified.";
7
            throw new BuildException(message);
7
            throw new BuildException(message);
8
        }
8
        }
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 comparisons28
  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)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (null == antfile)
    1
    if (null == antfile)
    1
    if (null == propertyName)
    Differences
    Expression1Expression2Difference
    antfilepropertyNameVARIABLE_NAME_MISMATCH
    java.io.Filejava.lang.StringVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable antfile does not match with type java.lang.String of variable propertyName
    • Make classes java.io.File and java.lang.String extend a common superclass
    1
    if (null == propertyName)
    2
    final String message = "Must specify Buildfile";
    2
    final String message = "Must specify Buildfile";
    2
    final String message = "Property attribute must be specified.";
    Differences
    Expression1Expression2Difference
    "Must specify Buildfile""Property attribute must be specified."LITERAL_VALUE_MISMATCH
    2
    final String message = "Property attribute must be specified.";
    3
    throw new BuildException(message);
    3
    throw new BuildException(message);
    4
    if (null == destfile)
    4
    if (null == destfile)
    4
    if (null == requiredExtension)
    Differences
    Expression1Expression2Difference
    destfilerequiredExtensionVARIABLE_NAME_MISMATCH
    java.io.Fileorg.apache.tools.ant.taskdefs.optional.extension.ExtensionVARIABLE_TYPE_MISMATCH
    Preondition Violations
    Type java.io.File of variable destfile does not match with type org.apache.tools.ant.taskdefs.optional.extension.Extension of variable requiredExtension
    • Make classes java.io.File and org.apache.tools.ant.taskdefs.optional.extension.Extension extend a common superclass
    4
    if (null == requiredExtension)
    5
    final String message = "Must specify destination file";
    5
    final String message = "Must specify destination file";
    5
    final String message = "Extension element must be specified.";
    Differences
    Expression1Expression2Difference
    "Must specify destination file""Extension element must be specified."LITERAL_VALUE_MISMATCH
    5
    final String message = "Extension element must be specified.";
    6
    throw new BuildException(message);
    6
    throw new BuildException(message);
    Precondition Violations (2)
    Row Violation
    1Type java.io.File of variable antfile does not match with type java.lang.String of variable propertyName
    2Type java.io.File of variable destfile does not match with type org.apache.tools.ant.taskdefs.optional.extension.Extension of variable requiredExtension