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@@ -1,233 +0,0 @@
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-package com.chinaitop.depot.utils;
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-
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-import com.alibaba.fastjson.JSONObject;
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-import org.springframework.util.StringUtils;
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-
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-import javax.servlet.ReadListener;
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-import javax.servlet.ServletInputStream;
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-import javax.servlet.http.HttpServletRequest;
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-import javax.servlet.http.HttpServletRequestWrapper;
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-import java.io.BufferedReader;
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-import java.io.ByteArrayInputStream;
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-import java.io.IOException;
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-import java.io.InputStreamReader;
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-import java.util.HashMap;
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-import java.util.Map;
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-
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-/**
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- * request 请求参数添加
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- *
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- * @Description TODO
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- * @Date 2022/12/13 09:41
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- * @Author fxw
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- * @Version 1.0
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- */
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-public class ParameterRequestWrapper extends HttpServletRequestWrapper {
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-
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- private Map<String, String[]> params = new HashMap<String, String[]>();
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- private byte[] body;
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-
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- public ParameterRequestWrapper(HttpServletRequest request) {
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- // 将request交给父类,以便于调用对应方法的时候,将其输出,
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- // 其实父亲类的实现方式和第一种new的方式类似
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- super(request);
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- //将参数表,赋予给当前的Map以便于持有request中的参数
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- //由于request并没有提供现成的获取json字符串的方法,所以我们需要将body中的流转为字符串
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- String json = getPostData(request);
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- if (!StringUtils.isEmpty(json)) {
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- // body 赋值
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- this.body = getData(json).getBytes();
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- }
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- // 请求参数赋值
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- this.params.putAll(request.getParameterMap());
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- }
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-
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- /**
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- * 重载一个构造方法-- 扩展参数
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- *
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- * @param request
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- * @param extendParams
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- */
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- public ParameterRequestWrapper(HttpServletRequest request, Map<String, Object> extendParams) {
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- this(request);
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- //这里将扩展参数写入参数表
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- addAllParameters(extendParams);
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- }
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-
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- /**
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- * 增加多个参数
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- *
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- * @param otherParams
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- */
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- public void addAllParameters(Map<String, Object> otherParams) {
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- for (Map.Entry<String, Object> entry : otherParams.entrySet()) {
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- addParameter(entry.getKey(), entry.getValue());
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- }
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- }
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-
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- /**
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- * 增加参数
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- */
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- public void addParameter(String name, Object value) {
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- if (value != null) {
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- if (value instanceof String[]) {
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- params.put(name, (String[]) value);
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- } else if (value instanceof String) {
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- params.put(name, new String[]{(String) value});
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- } else {
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- params.put(name, new String[]{String.valueOf(value)});
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- }
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- }
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- }
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-
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- /**
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- * 删除参数
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- */
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- public void deleteParameter(String key) {
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- params.remove(key);
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- }
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-
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- /**
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- * 增加body 参数
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- *
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- * @param name
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- * @param value
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- */
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- public void addParameterToBody(String name, Object value) {
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- byte[] json = this.body;
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- if (null == json) {
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- return;
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- }
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- String jsonStr = new String(json);
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- try {
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- Map<String, Object> mapData = JSONObject.parseObject(jsonStr, Map.class);
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- if (value != null) {
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- mapData.put(name, value);
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- this.body = JSONObject.toJSONString(mapData).getBytes();
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- }
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- } catch (Exception ex) {
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- // 转换异常
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- }
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-
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- }
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-
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- /**
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- * 删除body 参数
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- *
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- * @param name
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- * @param value
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- */
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- public void deleteParameterToBody(String key) {
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- byte[] json = this.body;
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- if (null == json) {
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- return;
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- }
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- String jsonStr = new String(json);
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- try {
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- Map<String, Object> mapData = JSONObject.parseObject(jsonStr, Map.class);
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- mapData.remove(key);
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- this.body = JSONObject.toJSONString(mapData).getBytes();
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- } catch (Exception ex) {
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- // 转换异常
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- }
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-
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- }
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-
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-
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- /**
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- * body中参数解密
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- *
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- * @param json
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- * @return
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- */
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- private String getData(String json) {
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- //加密,如果传过来的是加密数据,先解密,未加密直接返回原json
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-// if(StringUtils.isNotEmpty(json)){
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-// json = AES256Util.decode(json);
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-// if(StringUtils.isEmpty(json)){
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-// return "";
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-// }
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-// JSONObject object = JSONUtil.parseObj(json);
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-// return JSONUtil.toJsonStr(object);
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-// }
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- //不加密
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- return json;
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-
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- }
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-
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- /**
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- * 获取body 参数
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- *
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- * @param request
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- * @return
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- */
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- public static String getPostData(HttpServletRequest request) {
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- StringBuilder data = new StringBuilder();
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- String line;
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- BufferedReader reader;
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- try {
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- reader = request.getReader();
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- while (null != (line = reader.readLine())) {
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- data.append(line);
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- }
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- } catch (IOException e) {
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- return null;
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- }
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- return data.toString();
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- }
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-
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- @Override
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- public String getParameter(String name) {//重写getParameter,代表参数从当前类中的map获取
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- String[] values = params.get(name);
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- if (values == null || values.length == 0) {
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- return null;
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- }
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- return values[0];
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- }
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-
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- @Override
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- public String[] getParameterValues(String name) {//同上
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- return params.get(name);
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- }
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-
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- @Override
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- public BufferedReader getReader() throws IOException {
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- return new BufferedReader(new InputStreamReader(getInputStream()));
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- }
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-
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- /**
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- * 在使用@RequestBody注解的时候,其实框架是调用了getInputStream()方法,所以我们要重写这个方法
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- *
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- * @return
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- * @throws IOException
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- */
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- @Override
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- public ServletInputStream getInputStream() throws IOException {
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- if (body == null) {
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- body = new byte[0];
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- }
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- final ByteArrayInputStream bais = new ByteArrayInputStream(body);
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- return new ServletInputStream() {
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- @Override
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- public boolean isFinished() {
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- return false;
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- }
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-
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- @Override
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- public boolean isReady() {
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- return false;
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- }
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-
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- @Override
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- public void setReadListener(ReadListener readListener) {
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-
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- }
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-
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- @Override
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- public int read() throws IOException {
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- return bais.read();
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- }
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- };
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- }
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-
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-}
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