util之常用流操作工具类

public class StreamUtil {
    private static final Logger LOGGER = LoggerFactory.getLogger(StreamUtil.class);

    /**
     * 从输入流中获取字符串
     * @param is
     * @return
     */
    public static String getString(InputStream is){
        StringBuilder sb = new StringBuilder();
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(is));
            String line;
            while((line=reader.readLine())!=null){
                sb.append(line);
            }
        } catch (IOException e) {
            LOGGER.error("get string failure",e);
            throw new RuntimeException(e);
        }
        return sb.toString();
    }

}