de.iritgo.aktario.jdbc.DeleteUser.java Source code

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Here is the source code for de.iritgo.aktario.jdbc.DeleteUser.java

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/**
 * This file is part of the Iritgo/Aktario Framework.
 *
 * Copyright (C) 2005-2011 Iritgo Technologies.
 * Copyright (C) 2003-2005 BueroByte GbR.
 *
 * Iritgo licenses this file to You 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 de.iritgo.aktario.jdbc;

import de.iritgo.aktario.core.Engine;
import de.iritgo.aktario.core.command.Command;
import de.iritgo.aktario.core.logger.Log;
import de.iritgo.aktario.framework.server.Server;
import de.iritgo.aktario.framework.user.User;
import de.iritgo.aktario.framework.user.UserRegistry;
import org.apache.commons.dbutils.DbUtils;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

/**
 * This command deletes the specified user to the database.
 *
 * <table>
 *   <tr><th>Parameter</th><th>Type</th><th>Description</th></tr>
 *   <tr><td>id</td><td>Long</td><td>The unique id of the user to delete.</td></tr>
 * </table>
 */
public class DeleteUser extends Command {
    /**
     * Create a new <code>DeleteUser</code> command.
     */
    public DeleteUser() {
        super("persist.DeleteUser");
    }

    /**
     * Perform the command.
     */
    public void perform() {
        if (properties.get("id") == null) {
            Log.logError("persist", "DeleteUser", "Missing unique id for the user to delete");

            return;
        }

        UserRegistry userRegistry = Server.instance().getUserRegistry();
        long userId = ((Long) properties.get("id")).longValue();
        User user = userRegistry.getUser(userId);

        if (user == null) {
            Log.logError("persist", "DeleteUser", "Unable to find user with id " + userId);

            return;
        }

        JDBCManager jdbcManager = (JDBCManager) Engine.instance().getManager("persist.JDBCManager");
        DataSource dataSource = jdbcManager.getDefaultDataSource();

        Connection connection = null;
        PreparedStatement stmt = null;

        try {
            connection = dataSource.getConnection();

            stmt = connection.prepareStatement("delete from IritgoUser where id=?");
            stmt.setLong(1, userId);
            stmt.execute();
            stmt.close();

            stmt = connection.prepareStatement("delete from IritgoNamedObjects where userId=?");
            stmt.setLong(1, userId);
            stmt.execute();
            stmt.close();

            Log.logVerbose("persist", "DeleteUser", "DELETE USER " + userId);
        } catch (SQLException x) {
            Log.logError("persist", "DeleteUser", "Error while storing user with id " + userId + ": " + x);
        } finally {
            DbUtils.closeQuietly(stmt);
            DbUtils.closeQuietly(connection);
        }
    }
}