| 提交 | 用户 | 时间 | ||
| e57a89 | 1 | package com.jcdm.common.filter; |
| 懒 | 2 | |
| 3 | import java.io.BufferedReader; | |
| 4 | import java.io.ByteArrayInputStream; | |
| 5 | import java.io.IOException; | |
| 6 | import java.io.InputStreamReader; | |
| 7 | import javax.servlet.ReadListener; | |
| 8 | import javax.servlet.ServletInputStream; | |
| 9 | import javax.servlet.ServletResponse; | |
| 10 | import javax.servlet.http.HttpServletRequest; | |
| 11 | import javax.servlet.http.HttpServletRequestWrapper; | |
| 12 | import com.jcdm.common.utils.http.HttpHelper; | |
| 13 | import com.jcdm.common.constant.Constants; | |
| 14 | ||
| 15 | /** | |
| 16 | * 构建可重复读取inputStream的request | |
| 17 | * | |
| 18 | * @author jc | |
| 19 | */ | |
| 20 | public class RepeatedlyRequestWrapper extends HttpServletRequestWrapper | |
| 21 | { | |
| 22 | private final byte[] body; | |
| 23 | ||
| 24 | public RepeatedlyRequestWrapper(HttpServletRequest request, ServletResponse response) throws IOException | |
| 25 | { | |
| 26 | super(request); | |
| 27 | request.setCharacterEncoding(Constants.UTF8); | |
| 28 | response.setCharacterEncoding(Constants.UTF8); | |
| 29 | ||
| 30 | body = HttpHelper.getBodyString(request).getBytes(Constants.UTF8); | |
| 31 | } | |
| 32 | ||
| 33 | @Override | |
| 34 | public BufferedReader getReader() throws IOException | |
| 35 | { | |
| 36 | return new BufferedReader(new InputStreamReader(getInputStream())); | |
| 37 | } | |
| 38 | ||
| 39 | @Override | |
| 40 | public ServletInputStream getInputStream() throws IOException | |
| 41 | { | |
| 42 | final ByteArrayInputStream bais = new ByteArrayInputStream(body); | |
| 43 | return new ServletInputStream() | |
| 44 | { | |
| 45 | @Override | |
| 46 | public int read() throws IOException | |
| 47 | { | |
| 48 | return bais.read(); | |
| 49 | } | |
| 50 | ||
| 51 | @Override | |
| 52 | public int available() throws IOException | |
| 53 | { | |
| 54 | return body.length; | |
| 55 | } | |
| 56 | ||
| 57 | @Override | |
| 58 | public boolean isFinished() | |
| 59 | { | |
| 60 | return false; | |
| 61 | } | |
| 62 | ||
| 63 | @Override | |
| 64 | public boolean isReady() | |
| 65 | { | |
| 66 | return false; | |
| 67 | } | |
| 68 | ||
| 69 | @Override | |
| 70 | public void setReadListener(ReadListener readListener) | |
| 71 | { | |
| 72 | ||
| 73 | } | |
| 74 | }; | |
| 75 | } | |
| 76 | } | |
