利用serverSocket给的借口关闭正在挂起的accept方法总不是太有效,但是开启serverSocket知道自己什么时候需要关闭,在关闭前如果利用一个无用的Socket将accept状态解除,那么就能成功的关闭处在在accept中的serverSocket了,下面是做一个小项目中利用这种思路完成的关闭ServerSocket的代码段
public void runServerLoop(){
while(runswitch){Socket socket=null;
try {
socket=serverSocket.accept();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(socket!=null){
if(!runswitch){
if(!socket.isClosed())
try {
socket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}else{
new Thread(new IPsSendThread(socket,hostIps,listTextArea)).run();
}
}
}
}
public void closeSocket(){
runswitch=false;
Socket socket=null;
if(serverSocket!=null&&!serverSocket.isClosed())
try {
//开启一个无用的Socket,这样就能让ServerSocket从accept状态跳出
socket = new Socket("localhost",this.serverPort);} catch (UnknownHostException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
if(socket!=null&&!socket.isClosed()){
try {
socket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public void closeServer(){
if(serverSocket!=null&&!serverSocket.isClosed()){
try {
serverSocket.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}