cn.org.once.cstack.utils.SecurityContextUtil.java Source code

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Here is the source code for cn.org.once.cstack.utils.SecurityContextUtil.java

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/*
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package cn.org.once.cstack.utils;

import org.slf4j.LoggerFactory;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.UserDetails;

/**
 * Created by nicolas on 09/10/15.
 */
public class SecurityContextUtil {

    private static org.slf4j.Logger logger = LoggerFactory.getLogger(RestUtils.class);

    public UserDetails getPrincipal() {
        logger.debug("Getting principal from the security context");

        UserDetails principal = null;

        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();

        if (authentication != null) {
            Object currentPrincipal = authentication.getPrincipal();
            if (currentPrincipal instanceof UserDetails) {
                principal = (UserDetails) currentPrincipal;
            }
        }

        return principal;
    }

}