동적 수정 xml 파일

다음 글 에서 properties 파일 을 동적 으로 수정 합 니 다.FileWacthdog.java 는 부모 클래스 로 서 코드 는 다음 과 같 습 니 다.
 

import org.apache.commons.digester.Digester;

/**
 * 

 * Info:     collectionsFavourableActivity.xml  ，

 *  	       common-digester              digester      。
 * 
 * 

 * Date: 2014-4-28 14:22:54
 * 
 * @author zhangyq
 * 
 */
public class CollectionsFavourableActiDynamicLoading {
	
	  //-------       ----------------------------------
	  private static CollectionsFavourableActivity activity;

	  public static CollectionsFavourableActivity getActivity() {
		return activity;
	  }


	  /**
	   *                
	   * @param configFilename		          
	   * @param delay				          
	   */
	  public static void configureAndLoad(String configFilename, long delay) {
		  
		PropertyWatchdog pdog = new PropertyWatchdog(configFilename);
		pdog.setDelay(delay);
		pdog.start();
	  }
	  
	 
//--------------------------------------         --------------------------	
	 /**
	  * Info:		           
	  * @author 		zhangyq
	  */
	 static class PropertyWatchdog extends FileWatchdog {
	 	
	 	/**
	 	 *     
	 	 * @param configFileName	    
	 	 */
	 	PropertyWatchdog(String filename){
	 		super(filename);
	 	}

	 	@Override
	 	protected void doOnChange() {
	 	    try {
	 	      Digester digester = new Digester();
	 	      digester.addObjectCreate("CollectionsFavourableActivity",
	 	    		 				  CollectionsFavourableActivity.class);
	 	      digester.addSetProperties("CollectionsFavourableActivity");
	 	     
	 	      activity  = (CollectionsFavourableActivity) digester.parse(file);
	 	    }
	 	    catch (Exception e) {
	 	    	return;
	 	    } 
	 		
	 	}

	 }
//--------------------------------------end         end--------------------------
	  

}

 Digester 라 이브 러 리 를 사용 하여 xml 파일 을 분석 합 니 다.위 에서 분석 한 xml 파일 은 다음 과 같 습 니 다.
 

 Digester 라 이브 러 리 분석 후 생 성 된 대상 클래스 는:
 
 

public class CollectionsFavourableActivity {

//----------------------------------------------- Instance Constants ----------------------
	private String avtivitySatrtDate;//      
	private String avtivityEndDate;//      
	
	private Double upperLimit;//    
	private Double lowerLimit;//    
	
	private int maxCountEveryMounth;//        

	/**
	 *       
	 */
	public CollectionsFavourableActivity(){
		super();
	}
	
	/**
	 *    	1000 （ ）-5000 	10	10
	 *	  	5001-10000 			50	50
	 *	  	10001-50000（ ） 	80	80
	 *    	50001-200000 ） 	120	120
	 *	  	200001   			150	150
	 * Info:		                    
	 * @param 		orderPrice		    
	 * @return            
	 */
	public static double cal(double orderPrice){
		double result = 0.0;
		if (orderPrice < 1000 && orderPrice > 0) {
			result = orderPrice;
		} else if (orderPrice >=1000 && orderPrice <= 5000) {
			result = orderPrice - 10;
		}else if (orderPrice > 5000 && orderPrice <= 10000) {
			result = orderPrice - 50;
		}else if (orderPrice > 10000 && orderPrice <= 50000) {
			result = orderPrice - 80;
		}else if (orderPrice > 50000 && orderPrice <= 200000) {
			result = orderPrice - 120;
		}else if (orderPrice >  200000) {
			result = orderPrice - 150;
		}
		return result ;
	}
	
	
	@Override
	public String toString() {
		
		return "{    :"+avtivitySatrtDate+"     :"+avtivityEndDate+"\r
"+
			   "    :"+upperLimit.doubleValue()+"     :"+lowerLimit.doubleValue()+"\r
"+
			   "         :"+maxCountEveryMounth+"}";
	}


	//----------------------------------- start getter setter -----------------------------
	public Double getUpperLimit() {
		return upperLimit;
	}

	public void setUpperLimit(Double upperLimit) {
		this.upperLimit = upperLimit;
	}

	public Double getLowerLimit() {
		return lowerLimit;
	}

	public void setLowerLimit(Double lowerLimit) {
		this.lowerLimit = lowerLimit;
	}

	public int getMaxCountEveryMounth() {
		return maxCountEveryMounth;
	}

	public void setMaxCountEveryMounth(int maxCountEveryMounth) {
		this.maxCountEveryMounth = maxCountEveryMounth;
	}
	public String getAvtivitySatrtDate() {
		return avtivitySatrtDate;
	}
	
	public void setAvtivitySatrtDate(String avtivitySatrtDate) {
		this.avtivitySatrtDate = avtivitySatrtDate;
	}
	
	public String getAvtivityEndDate() {
		return avtivityEndDate;
	}
	
	public void setAvtivityEndDate(String avtivityEndDate) {
		this.avtivityEndDate = avtivityEndDate;
	}
//----------------------------------- end getter setter -----------------------------	


}

 테스트 사용:

CollectionsFavourableActiDynamicLoading.configureAndLoad(configFilename, delay);
CollectionsFavourableActivity  activity = CollectionsFavourableActiDynamicLoading.getActivity();