Java读取网络数据（新浪网址）InputStream的数据流操作实录笔记（二）分享出来供大家参考！（

最新推荐文章于 2023-03-20 21:16:16 发布

原创最新推荐文章于 2023-03-20 21:16:16 发布 · 2.2k 阅读

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CC 4.0 BY-SA版权

文章标签：

#网络 #java #stream #string #null

本文深入探讨了新浪如何优化网络Stream读取过程，将其转换为字符串。通过详细分析源代码，揭示了关键步骤，包括使用BufferedReader、InputStreamReader以及UTF-8编码，确保高效且准确地获取响应体内容。同时，文章特别关注了在不同环境（如Dalvik）下的特殊处理，确保代码的通用性和兼容性。

上一篇是自己写的网络Stream读取并转换成String的源代码，今天研究了一下新浪的写法，下面贴出来供大家参考>>:

/**
     * Returns the response body as string.<br>
     * Disconnects the internal HttpURLConnection silently.
     * @return response body
     * @throws WeiboException
     */
    public String asString() throws WeiboException{
        if(null == responseAsString){
            BufferedReader br;
            try {
                InputStream stream = asStream();
                if (null == stream) {
                    return null;
                }
                br = new BufferedReader(new InputStreamReader(stream, "UTF-8"));
                StringBuffer buf = new StringBuffer();
                String line;
                while (null != (line = br.readLine())) {
                    buf.append(line).append("\n");
                }
                this.responseAsString = buf.toString();
                if(Configuration.isDalvik()){
                    this.responseAsString = unescape(responseAsString);
                }
                log(responseAsString);
                stream.close();
                con.disconnect();
                streamConsumed = true;
            } catch (NullPointerException npe) {
                // don't remember in which case npe can be thrown
                throw new WeiboException(npe.getMessage(), npe);
            } catch (IOException ioe) {
                throw new WeiboException(ioe.getMessage(), ioe);
            }
        }
        return responseAsString;
    }