annotate src/goodjava/rpc/RpcClient.java @ 1625:57c8baadb357

handle UnsupportedClassVersionError
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Sep 2021 12:32:27 -0600
parents 27efb1fcbcb5
children
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1 package goodjava.rpc;
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2
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3 import java.net.Socket;
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4 import java.util.List;
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5 import java.util.ArrayList;
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7
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8 public class RpcClient extends RpcCon {
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9
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10 public RpcClient(Socket socket)
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11 throws RpcError
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12 {
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13 super(socket);
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14 }
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16 public void write(RpcCall call)
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17 throws RpcError
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18 {
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19 List list = new ArrayList();
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20 list.add(call.cmd);
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21 for( Object arg : call.args ) {
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22 list.add(arg);
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23 }
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24 write(call.in,call.lenIn,list);
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25 }
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27 public RpcResult read()
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28 throws RpcError, RpcException
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29 {
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30 List list = readJson();
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31 boolean ok = (Boolean)list.remove(0);
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32 if( !ok ) {
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33 String errorId = (String)list.remove(0);
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34 Object[] args = list.toArray();
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35 throw new RpcException(inBinary,lenBinary,errorId,args);
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36 }
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37 Object[] args = list.toArray();
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38 return new RpcResult(inBinary,lenBinary,args);
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39 }
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41 }