| /* |
| |
| Derby - Class nserverdemo.NetworkServerUtil |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF 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 nserverdemo; |
| |
| import java.util.Properties; |
| import java.sql.SQLException; |
| import java.sql.DriverManager; |
| import java.io.IOException; |
| import java.sql.Statement; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.SQLWarning; |
| import java.io.PrintWriter; |
| import java.net.InetAddress; |
| |
| import org.apache.derby.drda.NetworkServerControl; //derby network server |
| import java.io.FileOutputStream; |
| |
| /** |
| * Class for starting the Derby NetworkServer on a separate Thread. |
| * This class provides methods to start, and shutdown the server |
| */ |
| |
| public class NetworkServerUtil { |
| |
| private int portNum; |
| private NetworkServerControl serverControl; |
| private PrintWriter pw; |
| |
| public NetworkServerUtil(int port, PrintWriter pw) { |
| |
| this.portNum = port; |
| this.pw = pw; |
| try { |
| serverControl = new |
| NetworkServerControl(InetAddress.getByName("localhost"), port); |
| pw.println("Derby Network Server created"); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| /** |
| * trace utility of server |
| */ |
| public void trace(boolean onoff) { |
| try { |
| serverControl.trace(onoff); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| |
| /** |
| * Try to test for a connection |
| * Throws exception if unable to get a connection |
| */ |
| public void testForConnection() |
| throws Exception { |
| serverControl.ping(); |
| } |
| |
| |
| /** |
| * Shutdown the NetworkServer |
| */ |
| public void shutdown() { |
| try { |
| serverControl.shutdown(); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| |
| /** |
| * Start Derby Network server |
| * |
| */ |
| public void start() { |
| try { |
| serverControl.start(pw); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| |
| } |
| |
| |
| |