Get Tree Path

public class Test {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		StringBuffer sb = new StringBuffer(); 
		
		sb.insert(0, "/leaf4");
		sb.insert(0, "/leaf3");
		sb.insert(0, "/leaf2");
		sb.insert(0, "/leaf1");
		sb.insert(0, "/root");		
		System.out.println(sb) ;
		System.out.println(new Test().getResourcePath("10010101"));
	}
	public String getResourcePath(String resourceid){
//		Dto dto = new BaseDto();
		String _resourceid = null ;
		StringBuffer path = new StringBuffer() ;
		_resourceid = resourceid ;
		int testid = 1 ;
		while(_resourceid!="01"){
//			dto = (BaseDto) g4Dao.queryForObject("Rms.queryEaResourceByResourceID", _resourceid );
//			_resourceid = dto.getAsString("resourceid") ;
			_resourceid = getResource(testid) ;
			if(path!=null && path.length()!=0)
				path = path.insert(0,"/").insert(0, _resourceid);
			testid++ ;
		}

		return path.insert(0,"/").toString() ;
	}
	
	public String getResource(int resourceid){
		
		switch(resourceid){
			case 1:
				return "10010101" ;
		case 2:
				return "100101" ;
			case 3:
				return "1001" ;
			case 4:
				return "01" ;
		
		}
		return "01" ;
	}

}