HttpClient的使用(4)

        } catch (IOException e) { 
            log.error("IOException occured when addFeedBack, requestUrl=" + feedBackAnswerUrl + ", parameter: " + feedBackModel.toString(), e); 
            res = false; 
        } finally { 
            postMethod.releaseConnection(); 
            postMethod = null; 
        } 
        return res; 
    } 
 
    public JSONObject getQuestionaire(String questionType) { 
        String id = questionTypeToQuestionId.get(questionType); 
        if (StringUtil.isBlank(id)) { 
            return null; 
        } 
         
        // 调用盖娅系统的接口，获取调查问卷 
        GetMethod getMethod = new GetMethod(feedBackQuestionaireUrl); 
        NameValuePair param = new NameValuePair(PARAM_ID, id); 
        getMethod.setQueryString(new NameValuePair[]{param}); 
        String responseText = null; 
        try { 
            // 执行getMethod 
            int statusCode = httpClient.executeMethod(getMethod); 
            if (statusCode != HttpStatus.SC_OK) { 
                StringBuilder sb = new StringBuilder("fail to getQuestionaire, requestUrl="); 
                sb.append(feedBackQuestionaireUrl).append("?id=").append(id).append(", HTTP StatusCode=").append(statusCode); 
                log.error(sb.toString()); 
                return null; 
            } 
            // 读取内容