server/src/main/java/org/apache/hupa/server/service/AbstractService.java

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package org.apache.hupa.server.service;

import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.hupa.server.IMAPStoreCache;
import org.apache.hupa.shared.SConsts;
import org.apache.hupa.shared.domain.User;
import org.apache.hupa.shared.exception.HupaException;
import org.apache.hupa.shared.exception.InvalidSessionException;

import com.google.inject.Inject;
import com.google.inject.Provider;

public abstract class AbstractService {

    @Inject protected IMAPStoreCache cache;
    @Inject protected Provider<HttpSession> httpSessionProvider;
    @Inject protected Log logger;

    protected User getUser() throws HupaException{
        User user = (User) httpSessionProvider.get().getAttribute(SConsts.USER_SESS_ATTR);
        if (user == null) {
            throw new InvalidSessionException(getClass().getSimpleName()
                    + User.NOT_FOUND
                    + httpSessionProvider.get().getId());
        } else {
            return user;
        }
    }
}