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• com.icthh.xm.commons
• xm-commons-permission
• 4.0.20
• source code
• RequestHeaderUtils.java

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com.icthh.xm.commons.permission.utils.RequestHeaderUtils Maven / Gradle / Ivy

package com.icthh.xm.commons.permission.utils;

import java.util.Optional;
import lombok.experimental.UtilityClass;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

@UtilityClass
public class RequestHeaderUtils {

    public static String getRequestHeader(String headerName) {
        return Optional.ofNullable(RequestContextHolder.getRequestAttributes())
            .filter(ServletRequestAttributes.class::isInstance)
            .map(ServletRequestAttributes.class::cast)
            .map(ServletRequestAttributes::getRequest)
            .map(request -> request.getHeader(headerName))
            .orElse(null);
    }
}