Java Code 杂藏

1...

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public abstract class JdbcUtils {
	private static final Log logger = LogFactory.getLog(JdbcUtils.class);

	/**
	 * Close the given JDBC Connection and ignore any thrown exception.
	 * This is useful for typical finally blocks in manual JDBC code.
	 * @param con the JDBC Connection to close (may be <code>null</code>)
	 */
	public static void closeConnection(Connection con) {
		if (con != null) {
			try {
				con.close();
			}
			catch (SQLException ex) {
				logger.debug("Could not close JDBC Connection", ex);
			}
			catch (Throwable ex) {
				//We don't trust the JDBC driver: It might throw RuntimeException or Error.
				logger.debug("Unexpected exception on closing JDBC Connection", ex);
			}
		}
	}
}