我最近遇到了一个用于 java 多线程服务器的开源库http://www.quickserver.org/。第一个使用 ClientCommandHandler 的示例 EchoServer 运行良好。但是它只适用于字符串。在我的特定应用程序中,我想使用一个特殊的自定义对象在服务器和客户端之间交换消息。
我尝试了以下方法:
package server;
import java.io.IOException;
import org.quickserver.net.AppException;
import org.quickserver.net.server.DataMode;
import org.quickserver.net.server.DataType;
import org.quickserver.net.server.QuickServer;
public class TestServer {
public static void main(String s[]) {
QuickServer server = new QuickServer();
try {
server.setDefaultDataMode(DataMode.OBJECT, DataType.IN);
server.setDefaultDataMode(DataMode.OBJECT, DataType.OUT);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
server.setClientObjectHandler("server.ObjHandler");
server.setPort(4123);
server.setName("EchoServer v 1.0");
try {
server.startServer();
} catch(AppException e){
System.err.println("Error in server : "+e);
}
}
}
...并将其设置为对象处理程序...
package server;
import java.io.IOException;
import java.net.SocketTimeoutException;
import org.quickserver.net.server.ClientHandler;
import org.quickserver.net.server.ClientObjectHandler;
public class ObjHandler implements ClientObjectHandler {
@Override
public void handleObject(ClientHandler arg0, Object arg1)
throws SocketTimeoutException, IOException {
// TODO Auto-generated method stub
}
}
所以我试图做的只是用对象处理程序完全替换命令处理程序。我收到以下错误:
Loading QuickServer v2.0.0 RC1 [PID:2488]... Done
Mar 24, 2013 7:26:07 PM org.quickserver.net.server.QuickServer loadBusinessLogic
SEVERE: ClientCommandHandler AND ClientEventHandler was not set.
Mar 24, 2013 7:26:07 PM org.quickserver.net.server.QuickServer startServer
SEVERE: Exception: org.quickserver.net.AppException: ClientCommandHandler AND
ClientEventHandler was not set.
org.quickserver.net.AppException: ClientCommandHandler AND ClientEventHandler was not set.
at org.quickserver.net.server.QuickServer.loadBusinessLogic(QuickServer.java:3142)
at org.quickserver.net.server.QuickServer.startServer(QuickServer.java:432)
at server.TestServer.main(TestServer.java:24)
Error in server : org.quickserver.net.AppException: Exception :org.quickserver.net.AppException: ClientCommandHandler AND ClientEventHandler was not set.
所以我的问题。是否可以在根本不定义命令处理程序的情况下用对象处理程序替换命令处理程序?如果不是,实现对象处理程序的正确方法是什么?