com.iflytek.edu.cloud.frame.utils.RestContextHolder.java Source code

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Here is the source code for com.iflytek.edu.cloud.frame.utils.RestContextHolder.java

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/**
 * Copyright 2013-2014 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.iflytek.edu.cloud.frame.utils;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.oauth2.provider.OAuth2Authentication;

import com.iflytek.edu.cloud.frame.support.RestContext;

/**
 * Create on @201485 @?10:08:58 
 * @author libinsong1204@gmail.com
 */
public class RestContextHolder {
    private static final ThreadLocal<RestContext> contextHolder = new ThreadLocal<RestContext>();

    public static void clearContext() {
        contextHolder.remove();
    }

    public static RestContext getContext() {
        RestContext ctx = contextHolder.get();

        if (ctx == null) {
            ctx = createEmptyContext();
            contextHolder.set(ctx);
        }

        return ctx;
    }

    public static void setContext(RestContext context) {
        contextHolder.set(context);
    }

    /**
     * password ????
     * 
     * @return
     */
    public static String getUsername() {
        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();

        if (authentication != null) {
            OAuth2Authentication oAuth2Authentication = (OAuth2Authentication) authentication;
            if (oAuth2Authentication.getUserAuthentication() != null)
                return oAuth2Authentication.getUserAuthentication().getName();
        }

        return null;
    }

    private static RestContext createEmptyContext() {
        return new RestContext();
    }
}