mirror of
https://github.com/chillzhuang/blade-tool
synced 2024-09-21 04:04:20 +08:00
120 lines
3.0 KiB
Java
120 lines
3.0 KiB
Java
/**
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* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springblade.core.tool.request;
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import org.springblade.core.tool.utils.WebUtil;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.MediaType;
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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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/**
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* 全局Request包装
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*
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* @author Chill
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*/
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public class BladeHttpServletRequestWrapper extends HttpServletRequestWrapper {
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/**
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* 没被包装过的HttpServletRequest（特殊场景,需要自己过滤）
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*/
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private final HttpServletRequest orgRequest;
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/**
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* 缓存报文,支持多次读取流
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*/
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private byte[] body;
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public BladeHttpServletRequestWrapper(HttpServletRequest request) {
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super(request);
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orgRequest = request;
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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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@Override
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public ServletInputStream getInputStream() throws IOException {
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if (super.getHeader(HttpHeaders.CONTENT_TYPE) == null) {
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return super.getInputStream();
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}
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if (super.getHeader(HttpHeaders.CONTENT_TYPE).startsWith(MediaType.MULTIPART_FORM_DATA_VALUE)) {
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return super.getInputStream();
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}
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if (body == null) {
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body = WebUtil.getRequestBody(super.getInputStream()).getBytes();
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}
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final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(body);
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return new ServletInputStream() {
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@Override
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public int read() {
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return byteArrayInputStream.read();
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}
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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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@Override
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public boolean isReady() {
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return false;
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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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/**
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* 获取初始request
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*
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* @return HttpServletRequest
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*/
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public HttpServletRequest getOrgRequest() {
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return orgRequest;
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}
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/**
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* 获取初始request
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*
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* @param request request
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* @return HttpServletRequest
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*/
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public static HttpServletRequest getOrgRequest(HttpServletRequest request) {
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if (request instanceof BladeHttpServletRequestWrapper) {
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return ((BladeHttpServletRequestWrapper) request).getOrgRequest();
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}
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return request;
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}
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}
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