[WM 4.X] [자바서비스] 특정 날짜만큼 더하거나 빼기

아래 코드를 자바서비스 만들기로 작성한다.

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/*
*  입력된 yyyyMMdd에서 특정 addDay 날짜 만큼 더하거나 빼서 리턴 한다.
*/
// pipeline
IDataCursor pipelineCursor = pipeline.getCursor();
 String yyyyMMdd = IDataUtil.getString( pipelineCursor, "yyyyMMdd" );
 String addDay = IDataUtil.getString( pipelineCursor, "addDay" );
pipelineCursor.destroy();

 int iDay = 0;
 if(addDay != null && addDay.length() >0)
  iDay = Integer.parseInt(addDay);

 Calendar cal=Calendar.getInstance ( );
 
 int nYear = Integer.parseInt(yyyyMMdd.substring(0,4));
 int nMonth = Integer.parseInt(yyyyMMdd.substring(4,6)) - 1;
 int nDay = Integer.parseInt(yyyyMMdd.substring(6,8));

 if(yyyyMMdd != null && yyyyMMdd.trim().length() >= 8){
  cal.set(nYear, nMonth, nDay);
 }else{
  return;
 }
 
 StringBuffer sbDate=new StringBuffer ( );

 cal.add ( Calendar.DAY_OF_MONTH, iDay );

 nYear = cal.get ( Calendar.YEAR );
 nMonth = cal.get ( Calendar.MONTH ) + 1;
 nDay = cal.get ( Calendar.DAY_OF_MONTH );

 sbDate.append ( nYear );
 if ( nMonth < 10 )
  sbDate.append ( "0" );
 sbDate.append ( nMonth );
 if ( nDay < 10 )
  sbDate.append ( "0" );
 sbDate.append ( nDay );
 sbDate.append ( "Z" );

// pipeline
IDataCursor pipelineCursor_1 = pipeline.getCursor();
IDataUtil.put( pipelineCursor_1, "outDate", sbDate.toString() );
pipelineCursor_1.destroy();

import java.util.*;
import java.text.*;

input
 yyyyMMdd
 addDay

output
 outDate

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