com.nec.core.context.RootSecurityContext.java Source code

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Here is the source code for com.nec.core.context.RootSecurityContext.java

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/**
 * Copyright(C) 2014
 * NEC Corporation All rights reserved.
 * 
 * No permission to use, copy, modify and distribute this software
 * and its documentation for any purpose is granted.
 * This software is provided under applicable license agreement only.
 */
package com.nec.core.context;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 * This class will be used to get the current logged in username in Spring
 * Security Context
 * 
 * @author sondn
 * 
 */
public abstract class RootSecurityContext {

    private RootSecurityContext() {
        //
    }

    /**
     * Obtains the currently authenticated principal, or an authentication
     * request token.
     * 
     * @return the Authentication or null if no authentication information is
     *         available
     */
    public static Object getPrincipal() {
        final Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication != null) {
            return authentication.getPrincipal();
        }
        return null;
    }

}