com.trenako.web.security.SpringUserContext.java Source code

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Here is the source code for com.trenako.web.security.SpringUserContext.java

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/*
 * Copyright 2012 the original author or authors.
 *
 * 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 com.trenako.web.security;

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

import org.springframework.stereotype.Component;

import com.trenako.security.AccountDetails;

/**
 * It represent a Spring security user context.
 * @author Carlo Micieli
 *
 */
@Component("userContext")
public class SpringUserContext extends UserContext {

    @Override
    public AccountDetails getCurrentUser() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();

        // throw away anonymous tokens
        if (authentication instanceof AnonymousAuthenticationToken) {
            return null;
        }
        return authentication == null ? null : (AccountDetails) authentication.getPrincipal();
    }
}