org.xlcloud.console.oauth2.AccessTokenRepository Maven / Gradle / Ivy

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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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.xlcloud.console.oauth2;

import java.util.HashMap;
import java.util.Map;

import javax.faces.bean.ApplicationScoped;
import javax.inject.Named;

import org.apache.commons.lang.StringUtils;

/**
 * Access token repository.
 * It uses static map held in memory while the application is running. 
 *
 * @author Ksiazczyk Grzegorz, AMG.net
 */
@Named
@ApplicationScoped
public class AccessTokenRepository {

    private static Map repo = new HashMap();
    
    /**
     * Retrieves the access token for the given user id.
     * @param userId user id
     * @return access token
     */
    public String getAccessToken(Long userId) {
        return repo.get(userId);
    }
    
    /**
     * Sets the access token for the specified user
     * @param userId user
     * @param accessToken access token
     */
    public void setAccessToken(Long userId, String accessToken) {
        repo.put(userId, accessToken);
    }

    /**
     * Removes the specified access token from the repository.
     * @param accessTokenId access token id
     */
    public void removeAccessToken(String accessTokenId) {
        if (StringUtils.isEmpty(accessTokenId)) {
            // nothing to do
            return;
        }
        for (Long userId : repo.keySet()) {
            if (accessTokenId.equals(repo.get(userId))) {
                repo.remove(userId);
                break;
            }
        }

    }
    
}