java connection用法_Java Connection.close方法代码示例
import sun.rmi.transport.Connection; //导入方法依赖的package包/类
/**
* handleMessages decodes transport operations and handles messages
* appropriately. If an exception occurs during message handling,
* the socket is closed.
*/
void handleMessages(Connection conn, boolean persistent) {
int port = getEndpoint().getPort();
try {
DataInputStream in = new DataInputStream(conn.getInputStream());
do {
int op = in.read(); // transport op
if (op == -1) {
if (tcpLog.isLoggable(Log.BRIEF)) {
tcpLog.log(Log.BRIEF, "(port " +
port + ") connection closed");
}
break;
}
if (tcpLog.isLoggable(Log.BRIEF)) {
tcpLog.log(Log.BRIEF, "(port " + port +
") op = " + op);
}
switch (op) {
case TransportConstants.Call:
// service incoming RMI call
RemoteCall call = new StreamRemoteCall(conn);
if (serviceCall(call) == false)
return;
break;
case TransportConstants.Ping:
// send ack for ping
DataOutputStream out =
new DataOutputStream(conn.getOutputStream());
out.writeByte(TransportConstants.PingAck);
conn.releaseOutputStream();
break;
case TransportConstants.DGCAck:
DGCAckHandler.received(UID.read(in));
break;
default:
throw new IOException("unknown transport op " + op);
}
} while (persistent);
} catch (IOException e) {
// exception during processing causes connection to close (below)
if (tcpLog.isLoggable(Log.BRIEF)) {
tcpLog.log(Log.BRIEF, "(port " + port +
") exception: ", e);
}
} finally {
try {
conn.close();
} catch (IOException ex) {
// eat exception
}
}
}
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