StreamUtility.java 文件源码

/**
 * 
 * 
 * @param coordstream
 *            InputStream
 * @param bufferSize
 *            int
 * @return result String
 * @throws IOException
 */
public static String readStream(InputStream stream, int bufferSize, String encoding) throws IOException {
    StringWriter sw = new StringWriter();
    int bytesRead;

    if (!Helper.isEmpty(encoding)) {
        BufferedReader br = new BufferedReader(new InputStreamReader(stream, encoding), bufferSize);
        String str;
        while ((str = br.readLine()) != null) {
            sw.write(str);
        }
    } else {
        byte[] buffer = new byte[bufferSize];

        while ((bytesRead = stream.read(buffer)) != -1) {
            sw.write(new String(buffer, 0, bytesRead));
        }
    }

    return sw.toString();
}