com.brienwheeler.svc.users.impl.UserEmailAddressService.java Source code

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Here is the source code for com.brienwheeler.svc.users.impl.UserEmailAddressService.java

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/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2013 Brien L. Wheeler (brienwheeler@yahoo.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package com.brienwheeler.svc.users.impl;

import java.util.ArrayList;
import java.util.List;

import com.brienwheeler.lib.monitor.work.MonitoredWork;
import com.brienwheeler.lib.svc.GracefulShutdown;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

import com.brienwheeler.lib.email.EmailAddress;
import com.brienwheeler.lib.email.VerifiableEmailAddress;
import com.brienwheeler.lib.svc.impl.SpringStoppableServiceBase;
import com.brienwheeler.lib.util.OperationDisallowedException;
import com.brienwheeler.lib.util.ValidationUtils;
import com.brienwheeler.svc.users.DuplicateUserEmailAddressException;
import com.brienwheeler.svc.users.IUserEmailAddressService;
import com.brienwheeler.svc.users.domain.User;
import com.brienwheeler.svc.users.domain.UserEmailAddress;

public class UserEmailAddressService extends SpringStoppableServiceBase implements IUserEmailAddressService {
    private IUserEmailAddressDao userEmailAddressDao;

    @Required
    public void setUserEmailAddressDao(IUserEmailAddressDao userEmailAddressDao) {
        this.userEmailAddressDao = userEmailAddressDao;
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    @MonitoredWork
    @GracefulShutdown
    public User findByEmailAddress(EmailAddress emailAddress) {
        ValidationUtils.assertNotNull(emailAddress, "emailAddress cannot be null");

        UserEmailAddress userEmailAddress = userEmailAddressDao.findByEmailAddress(emailAddress);
        return userEmailAddress == null ? null : userEmailAddress.getUser();
    }

    @Override
    @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
    @MonitoredWork
    @GracefulShutdown
    public List<VerifiableEmailAddress> findByUser(User user) {
        ValidationUtils.assertNotNull(user, "user cannot be null");

        List<UserEmailAddress> userEmailAddresses = userEmailAddressDao.findByUser(user);
        List<VerifiableEmailAddress> emailAddresses = new ArrayList<VerifiableEmailAddress>();
        for (UserEmailAddress userEmailAddress : userEmailAddresses)
            emailAddresses.add(userEmailAddress.getEmailAddress());
        return emailAddresses;
    }

    @Override
    @Transactional
    @MonitoredWork
    @GracefulShutdown
    public void addEmailAddress(User user, VerifiableEmailAddress emailAddress) {
        ValidationUtils.assertNotNull(user, "user cannot be null");
        ValidationUtils.assertNotNull(emailAddress, "emailAddress cannot be null");

        User existingUser = findByEmailAddress(emailAddress);
        if (existingUser != null) {
            if (existingUser.equals(user))
                return;
            throw new DuplicateUserEmailAddressException(
                    "email address " + emailAddress.getAddress() + " already in use");
        }

        userEmailAddressDao.save(new UserEmailAddress(user, emailAddress));
    }

    @Override
    @Transactional
    @MonitoredWork
    @GracefulShutdown
    public boolean removeEmailAddress(User user, EmailAddress emailAddress) {
        ValidationUtils.assertNotNull(user, "user cannot be null");
        ValidationUtils.assertNotNull(emailAddress, "emailAddress cannot be null");

        UserEmailAddress existing = userEmailAddressDao.findByEmailAddress(emailAddress);
        if (existing == null)
            return false;

        if (!existing.getUser().equals(user))
            throw new OperationDisallowedException(
                    user.toString() + " is not associated with email address " + emailAddress.getAddress());

        userEmailAddressDao.delete(existing);
        return true;
    }
}