while (children.hasMoreElements()) { node = (ListInfoTreeNode) children.nextElement(); if (node.toString().equals(name)) { return node; } }
for (Enumeration e = parentFolder.children(); e.hasMoreElements();) { child = (IMailFolder) e.nextElement(); if (child.getName().equals(str)) { return child; } }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/gui/config/subscribe/SynchronizeFolderListCommand.java File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/gui/tree/FolderTreeModel.java
Method name: DefaultMutableTreeNode ensureChild(String, String, DefaultMutableTreeNode) Method name: IMailFolder findFolder(IMailFolder, String)
Number of AST nodes: 4 Number of AST nodes: 4
1
while (children.hasMoreElements()) {
1
for (Enumeration e = parentFolder.children(); e.hasMoreElements();) {
2
			node = (ListInfoTreeNode) children.nextElement();
2
			child = (IMailFolder) e.nextElement();
3
			if (node.toString().equals(name)) {
3
			if (child.getName().equals(str)) {
4
				return node;
4
				return child;
5
			}
5
			}
6
		}
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)0.9
Clones locationClones are in different classes
Number of node comparisons8
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements5
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)5.2
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    3
    while (children.hasMoreElements())
    3
    while (children.hasMoreElements())
    2
    for (Enumeration e = parentFolder.children(); e.hasMoreElements(); )
    Differences
    Expression1Expression2Difference
    childreneVARIABLE_NAME_MISMATCH
    2
    for (Enumeration e = parentFolder.children(); e.hasMoreElements(); )
    4
    node = (ListInfoTreeNode)children.nextElement();
    4
    node = (ListInfoTreeNode)children.nextElement();
    3
    child = (IMailFolder)e.nextElement();
    Differences
    Expression1Expression2Difference
    nodechildVARIABLE_NAME_MISMATCH
    org.columba.mail.gui.config.subscribe.ListInfoTreeNodeorg.columba.mail.folder.IMailFolderSUBCLASS_TYPE_MISMATCH
    org.columba.mail.gui.config.subscribe.ListInfoTreeNodeorg.columba.mail.folder.IMailFolderSUBCLASS_TYPE_MISMATCH
    childreneVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression (ListInfoTreeNode)children.nextElement() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (IMailFolder)e.nextElement() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    child = (IMailFolder)e.nextElement();
    5
    if (node.toString().equals(name))
    5
    if (node.toString().equals(name))
    4
    if (child.getName().equals(str))
    Differences
    Expression1Expression2Difference
    namestrVARIABLE_NAME_MISMATCH
    toStringgetNameMETHOD_INVOCATION_NAME_MISMATCH
    nodechildVARIABLE_NAME_MISMATCH
    org.columba.mail.gui.config.subscribe.ListInfoTreeNodeorg.columba.mail.folder.IMailFolderSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression node.toString() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression child.getName() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4
    if (child.getName().equals(str))
    6
    return node;
    6
    return node;
    5
    return child;
    Differences
    Expression1Expression2Difference
    nodechildVARIABLE_NAME_MISMATCH
    org.columba.mail.gui.config.subscribe.ListInfoTreeNodeorg.columba.mail.folder.IMailFolderSUBCLASS_TYPE_MISMATCH
    5
    return child;
    Precondition Violations (6)
    Row Violation
    1Expression (ListInfoTreeNode)children.nextElement() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression (IMailFolder)e.nextElement() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression node.toString() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression child.getName() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Not all possible execution flows end in a return statement
    6The refactoring of the clones is infeasible, because classes org.columba.mail.gui.config.subscribe.SynchronizeFolderListCommand and org.columba.mail.gui.tree.FolderTreeModel do not have a common superclass