ke.co.tawi.babblesms.server.persistence.logs.IncomingLogDAO.java Source code

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Here is the source code for ke.co.tawi.babblesms.server.persistence.logs.IncomingLogDAO.java

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/**
 * Copyright 2015 Tawi Commercial Services Ltd
 * 
 * Licensed under the Open Software License, Version 3.0 (the License?); you may
 * not use this file except in compliance with the License. You may obtain a copy
 * of the License at:
 * http://opensource.org/licenses/OSL-3.0
 * 
 * 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 ke.co.tawi.babblesms.server.persistence.logs;

import ke.co.tawi.babblesms.server.beans.account.Account;
import ke.co.tawi.babblesms.server.beans.log.IncomingLog;
import ke.co.tawi.babblesms.server.persistence.GenericDAO;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.dbutils.BeanProcessor;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.log4j.Logger;

/**
 * Persistence implementation for {@link IncomingLog}
 * <p>
 *  
 * @author <a href="mailto:michael@tawi.mobi">Michael Wakahe</a>
 */
public class IncomingLogDAO extends GenericDAO implements BabbleIncomingLogDAO {

    private static IncomingLogDAO incomingLogDAO;

    private Logger logger;

    private BeanProcessor beanProcessor = new BeanProcessor();

    /**
     * @return the singleton instance of {@link IncomingLogDAO}
     */
    public static IncomingLogDAO getInstance() {
        if (incomingLogDAO == null) {
            incomingLogDAO = new IncomingLogDAO();
        }

        return incomingLogDAO;
    }

    /**
     *
     */
    protected IncomingLogDAO() {
        super();
        logger = Logger.getLogger(this.getClass());
    }

    /**
     * Used for testing purposes only.
     *
     * @param dbName
     * @param dbHost
     * @param dbUsername
     * @param dbPassword
     * @param dbPort
     */
    public IncomingLogDAO(String dbName, String dbHost, String dbUsername, String dbPassword, int dbPort) {

        super(dbName, dbHost, dbUsername, dbPassword, dbPort);
        logger = Logger.getLogger(this.getClass());
    }

    /**
     * @see ke.co.tawi.babblesms.server.persistence.logs.BabbleIncomingLogDAO#getIncomingLog(java.lang.String)
     */
    @Override
    public IncomingLog getIncomingLog(String uuid) {
        IncomingLog incomingLog = null;

        ResultSet rset = null;

        try (Connection conn = dbCredentials.getConnection();
                PreparedStatement pstmt = conn.prepareStatement("SELECT * FROM IncomingLog WHERE Uuid = ?;");) {

            pstmt.setString(1, uuid);
            rset = pstmt.executeQuery();

            if (rset.next()) {
                incomingLog = beanProcessor.toBean(rset, IncomingLog.class);
            }

        } catch (SQLException e) {
            logger.error("SQLException when getting incomingLog with uuid: " + uuid);
            logger.error(ExceptionUtils.getStackTrace(e));

        }

        return incomingLog;
    }

    /**
     * @see ke.co.tawi.babblesms.server.persistence.logs.BabbleIncomingLogDAO#getIncomingLog(java.util.List, int, int)
     */
    @Override
    public List<IncomingLog> getIncomingLog(Account account, int fromIndex, int toIndex) {
        List<IncomingLog> list = new ArrayList<>();

        try (Connection conn = dbCredentials.getConnection();
                PreparedStatement pstmt = conn.prepareStatement("SELECT * FROM incomingLog WHERE recipientuuid = ?"
                        + " ORDER BY logTime DESC LIMIT ? OFFSET ? ;");) {

            pstmt.setString(1, account.getUuid());
            pstmt.setInt(2, toIndex - fromIndex);
            pstmt.setInt(3, fromIndex);

            try (ResultSet rset = pstmt.executeQuery();) {
                list = beanProcessor.toBeanList(rset, IncomingLog.class);
            }
        }

        catch (SQLException e) {

            logger.error("SQLException while getting incomingLog from index " + fromIndex + " to index " + toIndex
                    + ".");
            logger.error(ExceptionUtils.getStackTrace(e));

        }

        return list;
    }

    /**
     * @see ke.co.tawi.babblesms.server.persistence.logs.BabbleIncomingLogDAO#putIncomingLog(ke.co.tawi.babblesms.server.beans.log.IncomingLog)
     */
    @Override
    public boolean putIncomingLog(IncomingLog incomingLog) {
        boolean success = true;

        try (Connection conn = dbCredentials.getConnection();
                PreparedStatement pstmt = conn
                        .prepareStatement("INSERT INTO IncomingLog (Uuid, origin, destination, "
                                + "message, logtime, networkuuid, recipientuuid) VALUES (?,?,?,?,?,?,?);");) {

            pstmt.setString(1, incomingLog.getUuid());
            pstmt.setString(2, incomingLog.getOrigin());
            pstmt.setString(3, incomingLog.getDestination());
            pstmt.setString(4, incomingLog.getMessage());
            pstmt.setTimestamp(5, new Timestamp(incomingLog.getLogTime().getTime()));
            pstmt.setString(6, incomingLog.getNetworkUuid());
            pstmt.setString(7, incomingLog.getRecipientUuid());

            pstmt.execute();

        } catch (SQLException e) {
            logger.error("SQLException when trying to put: " + incomingLog);
            logger.error(ExceptionUtils.getStackTrace(e));
            success = false;

        }

        return success;
    }

}