org.apache.hadoop.hive.hwi.servlet.RBase.java Source code

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Here is the source code for org.apache.hadoop.hive.hwi.servlet.RBase.java

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/**
 * Copyright (C) [2013] [Anjuke Inc]
 *
 * 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.apache.hadoop.hive.hwi.servlet;

import java.util.HashMap;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.ws.rs.core.Context;

import org.apache.commons.collections.map.HashedMap;

public abstract class RBase {

    public static final String USER_COOKIE_NAME = "user";

    @Context
    protected HttpServletRequest request;

    @Context
    protected HttpServletResponse response;

    /**
     * set current user
     * @param user
     */
    protected void setUser(String user) {
        Cookie cookie = new Cookie(USER_COOKIE_NAME, user);
        cookie.setMaxAge(365 * 24 * 60 * 60);
        cookie.setPath("/hwi");
        response.addCookie(cookie);
    }

    /**
     * return current user
     * 
     * @return
     */
    protected String getUser() {
        try {
            String user = getCookies().get(USER_COOKIE_NAME);
            return user;
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * return user cookies
     * 
     * @return user cookies hashmap
     */
    protected HashMap<String, String> getCookies() {
        Cookie _cookies[] = request.getCookies();

        HashMap<String, String> cookies = new HashMap<String, String>();
        for (int i = 0; i < _cookies.length; i++) {
            cookies.put(_cookies[i].getName(), _cookies[i].getValue());
        }

        return cookies;
    }

}