HttpClient的使用(5)

            responseText = getMethod.getResponseBodyAsString(); 
        } catch (HttpException e) { 
            StringBuilder sb = new StringBuilder("HttpException occured when getQuestionaire, requestUrl="); 
            sb.append(feedBackQuestionaireUrl).append("?id=").append(id); 
            log.error(sb.toString(), e); 
            return null; 
        } catch (IOException e) { 
            StringBuilder sb = new StringBuilder("IOException occured when getQuestionaire, requestUrl="); 
            sb.append(feedBackQuestionaireUrl).append("?id=").append(id); 
            log.error(sb.toString(), e); 
            return null; 
        } finally { 
            getMethod.releaseConnection(); 
            getMethod = null; 
        } 
         
        if (StringUtil.isBlank(responseText)) { 
            return null; 
        } 
         
        // 从查询结果中解析出包含问卷的json字符串 
        int index = responseText.indexOf("="); 
        if (index >= 0) { 
            responseText = responseText.substring(index + 1); 
        } 
        try { 
            JSONObject json = JSONObject.fromObject(responseText); 
            return json; 
        } catch (Exception e) { 
            log.error("fail to change from String to JSONObject, string=" + responseText, e);