org.b3log.rhythm.repository.impl.UserRepositoryImpl.java Source code

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Here is the source code for org.b3log.rhythm.repository.impl.UserRepositoryImpl.java

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/*
 * Copyright (c) 2010-2015, b3log.org
 *
 * 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.b3log.rhythm.repository.impl;

import org.b3log.latke.Keys;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.model.User;
import org.b3log.latke.repository.AbstractRepository;
import org.b3log.latke.repository.FilterOperator;
import org.b3log.latke.repository.PropertyFilter;
import org.b3log.latke.repository.Query;
import org.b3log.latke.repository.RepositoryException;
import org.b3log.latke.repository.annotation.Repository;
import org.b3log.rhythm.repository.UserRepository;
import org.json.JSONArray;
import org.json.JSONObject;

/**
 * User repository implementation.
 *
 * @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
 * @version 1.0.0.2, Jun 27, 2012
 * @since 0.1.5
 */
@Repository
public class UserRepositoryImpl extends AbstractRepository implements UserRepository {

    /**
     * Logger.
     */
    private static final Logger LOGGER = Logger.getLogger(UserRepositoryImpl.class.getName());

    /**
     * Public constructor.
     */
    public UserRepositoryImpl() {
        super(User.USER);
    }

    @Override
    public JSONObject getByEmail(final String email) throws RepositoryException {
        final Query query = new Query().setPageCount(1);
        query.setFilter(new PropertyFilter(User.USER_EMAIL, FilterOperator.EQUAL, email.toLowerCase().trim()));

        try {
            final JSONObject result = get(query);
            final JSONArray array = result.getJSONArray(Keys.RESULTS);

            if (0 == array.length()) {
                return null;
            }

            return array.getJSONObject(0);
        } catch (final Exception e) {
            LOGGER.log(Level.ERROR, e.getMessage(), e);

            throw new RepositoryException(e);
        }
    }
}