package doumeemes.core.servlet;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpServletResponseWrapper;
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import java.io.IOException;
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/**
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* 增加响应流副本
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* @author Eva.Caesar Liu
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* @date 2022/04/18 18:12
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*/
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public class ServletDuplicateResponseWrapper extends HttpServletResponseWrapper {
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private ServletDuplicateOutputStream servletDuplicateOutputStream;
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public ServletDuplicateResponseWrapper(HttpServletResponse httpServletResponse) {
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super(httpServletResponse);
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}
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@Override
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public ServletOutputStream getOutputStream() throws IOException {
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if (servletDuplicateOutputStream == null) {
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servletDuplicateOutputStream = new ServletDuplicateOutputStream(super.getOutputStream());
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}
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return servletDuplicateOutputStream;
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}
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}
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