com.nabla.wapp.server.general.UserSession.java Source code

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Here is the source code for com.nabla.wapp.server.general.UserSession.java

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/**
* Copyright 2012 nabla
*
* 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.nabla.wapp.server.general;

import java.util.Locale;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.lang.LocaleUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.nabla.wapp.shared.auth.IRootUser;

/**
 * The <code></code> object is used to
 *
 */
public class UserSession {

    private static final Log log = LogFactory.getLog(UserSession.class);
    public static final String SESSION_PARAMETER_NAME = "user_session";

    private final Integer userId;
    private final boolean isRoot;
    private Locale locale;
    private final String sessionId;

    public UserSession(final Integer userId, boolean isRoot, final String locale) {
        this.userId = userId;
        this.isRoot = isRoot;
        try {
            this.locale = LocaleUtils.toLocale(locale);
        } catch (IllegalArgumentException __) {
            if (log.isErrorEnabled())
                log.error("unsupported locale '" + locale + "'");
            this.locale = Locale.UK;
        }
        this.sessionId = UUID.randomUUID().toString();

    }

    public Integer getUserId() {
        return userId;
    }

    public String getSessionId() {
        return sessionId;
    }

    public boolean isRoot() {
        return isRoot;
    }

    public Locale getLocale() {
        return locale;
    }

    public static String save(final HttpServletRequest request, final Integer userId, final String userName,
            final String locale) {
        final UserSession session = new UserSession(userId, IRootUser.NAME.equalsIgnoreCase(userName), locale);
        request.getSession().setAttribute(SESSION_PARAMETER_NAME, session);
        return session.getSessionId();
    }

    public static UserSession load(final HttpServletRequest request) {
        return (UserSession) request.getSession().getAttribute(SESSION_PARAMETER_NAME);
    }

    public static void clear(final HttpServletRequest request) {
        request.getSession().removeAttribute(SESSION_PARAMETER_NAME);
    }

}