SqlAbstractTable.java

/*
 * Zed Attack Proxy (ZAP) and its related class files.
 * 
 * ZAP is an HTTP/HTTPS proxy for assessing web application security.
 * 
 * Copyright The OWASP ZAP Development Team
 * 
 * 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.zaproxy.zap.db.sql;

import java.sql.Connection;
import java.sql.SQLException;

import org.parosproxy.paros.db.DatabaseException;
import org.parosproxy.paros.db.DatabaseListener;
import org.parosproxy.paros.db.DatabaseServer;
import org.parosproxy.paros.db.DatabaseUnsupportedException;
import org.zaproxy.zap.db.sql.SqlDatabaseServer;

 public abstract class SqlAbstractTable implements DatabaseListener {

    private Connection connection = null;
    private SqlDatabaseServer sqlServer = null;
    
    public SqlAbstractTable() {
    }
    
    @Override
    public void databaseOpen(DatabaseServer server) throws DatabaseException, DatabaseUnsupportedException {
    	if (server instanceof SqlDatabaseServer) {
            this.sqlServer = (SqlDatabaseServer) server;
    	} else {
    		throw new DatabaseUnsupportedException();
    	}
        connection = null;
		reconnect(getConnection());
    }
    
    protected Connection getConnection() throws DatabaseException {
        try {
			if (connection == null) {
				connection = sqlServer.getNewConnection();
			}
			return connection;
		} catch (SQLException e) {
			throw new DatabaseException(e);
		}
    }
    
    protected abstract void reconnect(Connection connection) throws DatabaseException;

}