package com.doumee.swagger;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import org.springframework.web.servlet.HandlerInterceptor;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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/**
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* Swagger拦截器
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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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@Slf4j
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@Component
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public class SwaggerInterceptor implements HandlerInterceptor {
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@Value("${swagger.enabled:false}")
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private Boolean enabledSwagger;
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@Value("${swagger.redirect-uri:/}")
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private String redirectUri;
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@Override
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public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
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if (!enabledSwagger) {
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String uri = request.getContextPath();
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if (StringUtils.isNotBlank(redirectUri))
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uri = request.getContextPath() + redirectUri;
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if (StringUtils.isBlank(uri))
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uri = "/";
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try {
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response.sendRedirect(uri);
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} catch (IOException e) {
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log.error(String.format("Redirect to '%s' for swagger throw an exception : %s", uri, e.getMessage()), e);
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}
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return Boolean.FALSE;
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}
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return Boolean.TRUE;
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}
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}
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