code: protected Object getParsedExpression(final String expression) {
  		try {
  			return Ognl.parseExpression(expression);
  		} catch (OgnlException ex) {
  			throw new OgnlRuntimeException("Failed to parse the expression.[" + expression + "]", ex);
  		}
  	}
docs: OGNL式オブジェクトを取得する
  
  @param expression 評価式
  @return OGNL式オブジェクト