annotate src/goodjava/rpc/Rpc.java @ 1652:d5779a264a4a

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 31 Mar 2022 19:04:59 -0600
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1 package goodjava.rpc;
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2
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3 import java.io.IOException;
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6 // static utils
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7 public final class Rpc {
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8 private Rpc() {} // never
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9
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10 public static final RpcResult OK = new RpcResult(new Object[0]);
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12 public static final RpcCall CLOSE = new RpcCall("close");
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13 public static final RpcCall PING = new RpcCall("ping");
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14 public static final String ECHO = "echo";
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16 public static final RpcException COMMAND_NOT_FOUND = new RpcException("command_not_found");
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18 public static boolean handle(RpcServer server,RpcCall call)
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19 throws IOException
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20 {
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21 if( CLOSE.cmd.equals(call.cmd) ) {
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22 server.close();
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23 return true;
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24 }
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25 if( PING.cmd.equals(call.cmd) ) {
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26 server.write(OK);
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27 return true;
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28 }
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29 if( ECHO.equals(call.cmd) ) {
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30 server.write(new RpcResult(call.args));
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31 return true;
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32 }
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33 return false;
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34 }
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36 }