/*
 * Copyright 2004-2010 the Seasar Foundation and the Others.
 *
 * 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.seasar.doma.internal.jdbc.dao;

import static org.seasar.doma.internal.util.AssertionUtil.*;

import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.logging.Logger;

import javax.sql.DataSource;

/**
 * @author taedium
 * 
 */
class NeverClosedConnectionProvider implements DataSource {

    private final NeverClosedConnection connection;

    public NeverClosedConnectionProvider(NeverClosedConnection connection) {
        assertNotNull(connection);
        this.connection = connection;
    }

    @Override
    public Connection getConnection() throws SQLException {
        return connection;
    }

    @Override
    public Connection getConnection(String username, String password)
            throws SQLException {
        return connection;
    }

    @Override
    public int getLoginTimeout() throws SQLException {
        return 0;
    }

    @Override
    public PrintWriter getLogWriter() throws SQLException {
        return null;
    }

    @Override
    public void setLoginTimeout(int seconds) throws SQLException {

    }

    @Override
    public void setLogWriter(PrintWriter out) throws SQLException {
    }

    @Override
    public boolean isWrapperFor(Class<?> iface) throws SQLException {
        return false;
    }

    @Override
    public <T> T unwrap(Class<T> iface) throws SQLException {
        throw new SQLException("unwrap method is unsupported.");
    }

    @SuppressWarnings("all")
    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
        throw new SQLFeatureNotSupportedException();
    }
}
