AbstractFilterAction instance = null; // try to get instance of FilterAction try { IExtension extension = pluginHandler.getExtension(name); instance = (AbstractFilterAction) extension .instanciateExtension(null); } catch (Exception ex) { ex.printStackTrace(); }
AbstractExternalToolsPlugin plugin = null; try { IExtension extension = handler.getExtension(selection); plugin = (AbstractExternalToolsPlugin) extension .instanciateExtension(null); } catch (Exception e1) { e1.printStackTrace(); }
Clone fragments detected by clone detection tool
File path: /columba-1.4-src/mail/src/main/java/org/columba/mail/filter/FilterCompoundCommand.java File path: /columba-1.4-src/core/src/main/java/org/columba/core/gui/externaltools/ExternalToolsDialog.java
Method name: void FilterCompoundCommand(IFilter, IFolder, Object[]) Method name: void actionPerformed(ActionEvent)
Number of AST nodes: 4 Number of AST nodes: 4
1
AbstractFilterAction instance = null;
1
Abstract
2
			// try to get instance of FilterAction
2
ExternalToolsPlugin plugin = null;
3
			try {
3
			try {
4
				IExtension extension = pluginHandler.getExtension(name);
4
				IExtension extension = handler.getExtension(
5
				instance = (AbstractFilterActio
5
selection);
6
n) extension
6
				plugin = (AbstractExternalToolsPlugin) extension
7
						.instanciateExtension(null);
7
						.instanciateExtension(null);
8
			} catch (Exception ex) {
8
			} catch (Exception e1) {
9
				ex.printStackTrace();
9
				e1.printStackTrace();
10
			}
10
			}
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)1.2
Clones locationClones are in different classes
Number of node comparisons11
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements4
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.9
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    7
    AbstractFilterAction instance = null;
    7
    AbstractFilterAction instance = null;
    7
    AbstractExternalToolsPlugin plugin = null;
    Differences
    Expression1Expression2Difference
    org.columba.core.filter.AbstractFilterActionorg.columba.core.gui.externaltools.AbstractExternalToolsPluginSUBCLASS_TYPE_MISMATCH
    instancepluginVARIABLE_NAME_MISMATCH
    org.columba.core.filter.AbstractFilterActionorg.columba.core.gui.externaltools.AbstractExternalToolsPluginSUBCLASS_TYPE_MISMATCH
    7
    AbstractExternalToolsPlugin plugin = null;
    8
    try
    8
    try
    8
    try
    Differences
    Expression1Expression2Difference
    exe1VARIABLE_NAME_MISMATCH
    exe1VARIABLE_NAME_MISMATCH
    8
    try
    9
    IExtension extension = pluginHandler.getExtension(name);
    9
    IExtension extension = pluginHandler.getExtension(name);
    9
    IExtension extension = handler.getExtension(selection);
    Differences
    Expression1Expression2Difference
    nameselectionVARIABLE_NAME_MISMATCH
    pluginHandlerhandlerVARIABLE_NAME_MISMATCH
    9
    IExtension extension = handler.getExtension(selection);
    10
    instance = (AbstractFilterAction)extension.instanciateExtension(null);
    10
    instance = (AbstractFilterAction)extension.instanciateExtension(null);
    10
    plugin = (AbstractExternalToolsPlugin)extension.instanciateExtension(null);
    Differences
    Expression1Expression2Difference
    instancepluginVARIABLE_NAME_MISMATCH
    org.columba.core.filter.AbstractFilterActionorg.columba.core.gui.externaltools.AbstractExternalToolsPluginSUBCLASS_TYPE_MISMATCH
    org.columba.core.filter.AbstractFilterActionorg.columba.core.gui.externaltools.AbstractExternalToolsPluginSUBCLASS_TYPE_MISMATCH
    Preondition Violations
    Expression (AbstractFilterAction)extension.instanciateExtension(null) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression (AbstractExternalToolsPlugin)extension.instanciateExtension(null) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    plugin = (AbstractExternalToolsPlugin)extension.instanciateExtension(null);
    Precondition Violations (4)
    Row Violation
    1Expression (AbstractFilterAction)extension.instanciateExtension(null) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression (AbstractExternalToolsPlugin)extension.instanciateExtension(null) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Clone fragment #1 returns variable instance with type org.columba.core.filter.AbstractFilterAction , while Clone fragment #2 returns variable plugin with type org.columba.core.gui.externaltools.AbstractExternalToolsPlugin
    4The refactoring of the clones is infeasible, because classes org.columba.mail.filter.FilterCompoundCommand and org.columba.core.gui.externaltools.ExternalToolsDialog do not have a common superclass