org.moserp.common.security.SpringSecurityAuditorAware.java Source code

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Here is the source code for org.moserp.common.security.SpringSecurityAuditorAware.java

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/*******************************************************************************
 * Copyright 2013 Thomas Letsch (contact@thomas-letsch.de)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package org.moserp.common.security;

import org.springframework.data.domain.AuditorAware;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.core.userdetails.User;

public class SpringSecurityAuditorAware implements AuditorAware<String> {

    public String getCurrentAuditor() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
        if (authentication == null || !authentication.isAuthenticated()) {
            return null;
        }
        if (authentication.getPrincipal() instanceof String) {
            return ((String) authentication.getPrincipal());
        }
        if (authentication.getPrincipal() instanceof User) {
            return ((User) authentication.getPrincipal()).getUsername();
        }
        return authentication.getPrincipal().toString();
    }
}