com.afousan.model.RetwisSecurity.java Source code

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Here is the source code for com.afousan.model.RetwisSecurity.java

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/*
 * Copyright 2011 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.afousan.model;

import org.springframework.core.NamedThreadLocal;
import org.springframework.util.StringUtils;

/**
 * Simple security class that saves the local user info across each request.
 * 
 * @author Costin Leau
 */
public abstract class RetwisSecurity {

    private static class UserInfo {
        String name;
        String uid;
    }

    private static final ThreadLocal<UserInfo> user = new NamedThreadLocal<UserInfo>("Retwis-id");

    public static String getName() {
        UserInfo userInfo = user.get();
        return (userInfo != null ? userInfo.name : null);
    }

    public static String getUid() {
        UserInfo userInfo = user.get();
        return (userInfo != null ? userInfo.uid : null);
    }

    public static void setUser(String name, String uid) {
        UserInfo userInfo = new UserInfo();
        userInfo.name = name;
        userInfo.uid = uid;
        user.set(userInfo);
    }

    public static boolean isUserSignedIn(String name) {
        UserInfo userInfo = user.get();
        return userInfo != null && userInfo.name.equals(name);
    }

    public static boolean isSignedIn() {
        return StringUtils.hasText(getName());
    }

    public static void clean() {
        user.set(null);
    }
}