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懒羊羊

2024-01-31 e57a8990ae56f657a59c435a0613c5f7a8728003

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package com.jcdm.framework.config.properties;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.regex.Pattern;
import org.apache.commons.lang3.RegExUtils;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.web.method.HandlerMethod;
import org.springframework.web.servlet.mvc.method.RequestMappingInfo;
import org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping;
import com.jcdm.common.annotation.Anonymous;
 
/**
 * 设置Anonymous注解允许匿名访问的url
 * 
 * @author jc
 */
@Configuration
public class PermitAllUrlProperties implements InitializingBean, ApplicationContextAware
{
    private static final Pattern PATTERN = Pattern.compile("\\{(.*?)\\}");
 
    private ApplicationContext applicationContext;
 
    private List<String> urls = new ArrayList<>();
 
    public String ASTERISK = "*";
 
    @Override
    public void afterPropertiesSet()
    {
        RequestMappingHandlerMapping mapping = applicationContext.getBean(RequestMappingHandlerMapping.class);
        Map<RequestMappingInfo, HandlerMethod> map = mapping.getHandlerMethods();
 
        map.keySet().forEach(info -> {
            HandlerMethod handlerMethod = map.get(info);
 
            // 获取方法上边的注解 替代path variable 为 *
            Anonymous method = AnnotationUtils.findAnnotation(handlerMethod.getMethod(), Anonymous.class);
            Optional.ofNullable(method).ifPresent(anonymous -> Objects.requireNonNull(info.getPatternsCondition().getPatterns())
                    .forEach(url -> urls.add(RegExUtils.replaceAll(url, PATTERN, ASTERISK))));
 
            // 获取类上边的注解, 替代path variable 为 *
            Anonymous controller = AnnotationUtils.findAnnotation(handlerMethod.getBeanType(), Anonymous.class);
            Optional.ofNullable(controller).ifPresent(anonymous -> Objects.requireNonNull(info.getPatternsCondition().getPatterns())
                    .forEach(url -> urls.add(RegExUtils.replaceAll(url, PATTERN, ASTERISK))));
        });
    }
 
    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException
    {
        this.applicationContext = context;
    }
 
    public List<String> getUrls()
    {
        return urls;
    }
 
    public void setUrls(List<String> urls)
    {
        this.urls = urls;
    }
}