Compiling TableSorter.java

Dear Friends,
I am in the implementation of Table Sorting on click of a column on WebDynpro application.
I got the TableSorter.java file under com.sap.tc.webdynpro.tests.utils package.
In my WebDynpro application, I need to include this file to to make use of table sort functionaliy, for which I am unable to create jar file library.
Even I failed to compile the TableSorter.java file which is causing below errors:
+*
TableSorter.java:253: cannot resolve symbol
symbol  : class IWDTextView
location: class com.sis.webdynpro.sisutils.TableSorter
                if (element instanceof IWDTextView)
                                       ^
TableSorter.java:254: cannot resolve symbol
symbol  : class IWDTextView
location: class com.sis.webdynpro.sisutils.TableSorter
                        return ((IWDTextView) element).bindingOfText();
                                 ^
TableSorter.java:283: cannot resolve symbol
symbol: variable WDResourceHandler
                                Collator collate = Collator.getInstance(WDResour
ceHandler.getCurrentSessionLocale());
                                                                        ^
TableSorter.java:404: cannot resolve symbol
symbol  : variable WDTableColumnSortDirection
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        if(direction.equals(WDTableColumnSortDirection.UP)){
                                            ^
TableSorter.java:406: cannot resolve symbol
symbol  : variable WDTableColumnSortDirection
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        }else if(direction.equals(WDTableColumnSortDirection.DOW
N)){
                                                  ^
TableSorter.java:420: cannot resolve symbol
symbol  : class IWDNodeElement
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        IWDNodeElement element1 = (IWDNodeElement) o1;
                        ^
TableSorter.java:420: cannot resolve symbol
symbol  : class IWDNodeElement
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        IWDNodeElement element1 = (IWDNodeElement) o1;
                                                   ^
TableSorter.java:421: cannot resolve symbol
symbol  : class IWDNodeElement
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        IWDNodeElement element2 = (IWDNodeElement) o2;
                        ^
TableSorter.java:421: cannot resolve symbol
symbol  : class IWDNodeElement
location: class com.sis.webdynpro.sisutils.TableSorter.NodeElementByAttributeCom
parator
                        IWDNodeElement element2 = (IWDNodeElement) o2;*+
It means some some library files are missing which are required for IWD... classes.
Can anybody help by providing the jar files or the path so that I can compile the TableSorter.java file.
many thanks in advance.
Lakshmikantha

I got resolved this myself after updating the library path.
Lakshmikanthaiah

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