import java.io.BufferedReader;

import java.io.ByteArrayInputStream;

import java.io.InputStream;

import java.io.InputStreamReader;

public class Test4 {

    public static void main(String[] args) {

        String str = "我在深圳";

        InputStream is = StreamUtil.getStrToStream(str);

        System.out.println(str);

        System.out.println(StreamUtil.getStreamToStr(is));

        /**

         * 我在深圳

         * 我在深圳

         */

    }

}

/**

 * 字符串和输入流互转类

 */

class StreamUtil {

    /**

     * 将一个字符串转化为输入流

     *

     * @param sInputString

     * @return

     */

    public static InputStream getStrToStream(String sInputString) {

        if (sInputString != null && !sInputString.trim().equals("")) {

            try {

                ByteArrayInputStream tInputStringStream = new ByteArrayInputStream(sInputString.getBytes());

                return tInputStringStream;

            } catch (Exception ex) {

                ex.printStackTrace();

            }

        }

        return null;

    }

    /**

     * 将一个输入流转化为字符串

     *

     * @param tInputStream

     * @return

     */

    public static String getStreamToStr(InputStream tInputStream) {

        if (tInputStream != null) {

            try {

                BufferedReader tBufferedReader = new BufferedReader(new InputStreamReader(tInputStream));

                StringBuffer tStringBuffer = new StringBuffer();

                String sTempOneLine;

                while ((sTempOneLine = tBufferedReader.readLine()) != null) {

                    tStringBuffer.append(sTempOneLine);

                }

                return tStringBuffer.toString();

            } catch (Exception ex) {

                ex.printStackTrace();

            }

        }

        return null;

    }

}