src/modules/java/cstr/festival/Client.java

   1
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   3  //                                                                        \\
   4  //                 Centre for Speech Technology Research                  \\
   5  //                      University of Edinburgh, UK                       \\
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  14  //    1. The code must retain the above copyright notice, this list of    \\
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  22  //   DISCLAIM ALL WARRANTIES With REGARD TO THIS SOFTWARE, INCLUDING      \\
  23  //   ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT   \\
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  30  //                                                                        \\
  31  //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
  32  //                                                                        \\
  33  //                  Author: Richard Caley (rjc@cstr.ed.ac.uk)             \\
  34  //  --------------------------------------------------------------------  \\
  35  //  Mainline for Java festival client.                                    \\
  36  //                                                                        \\
  37  //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
  38
  39 package cstr.festival ;
  40
  41 import java.lang.*;
  42 import java.util.*;
  43 import java.awt.*;
  44 import java.io.*;
  45 import java.net.*;
  46
  47 import cstr.festival.client.*;
  48 import cstr.festival.scheme.*;
  49
  50 class RequestHandler implements RequestListener
  51 {
  52   Thread mainline;
  53
  54   public RequestHandler(Thread main)
  55     {
  56       mainline=main;
  57     }
  58
  59   public void requestRunning(Request r)
  60     {
  61       System.out.println("Request "+r.command+" running");
  62     }
  63
  64   public void requestResult(Request r, Object res)
  65     {
  66       System.out.println("Request "+r.command+" result="+res);
  67     }
  68
  69   public void requestError(Request r, String mes)
  70     {
  71       System.out.println("Request "+r.command+" error "+mes);
  72     }
  73
  74   public void requestFinished(Request r)
  75     {
  76       System.out.println("Request "+r.command+" finished");
  77     }
  78 }
  79
  80 public class Client {
  81
  82   public static void useage(String error)
  83     {
  84       if (error != null)
  85         {
  86           System.out.println("");
  87           System.out.println("  "+error);
  88         }
  89       System.out.println("");
  90       System.out.println("Useage: festival_client_java [options] file...");
  91       System.out.println("");
  92       System.out.println("      --help                  Show this message.");
  93       System.out.println("      --server <host>         Connect to named host.");
  94       System.out.println("      --port <portnum>        Use the given port.");
  95       System.out.println("      --sync                  Wait for each expression to finish");
  96       System.out.println("                                  executing before reading next.");
  97       System.out.println("      --wait                  Wait for all expressions to finish");
  98       System.out.println("                                  executing before exiting.");
  99
 100       System.exit(error!=null?1:0);
 101     }
 102
 103   public static void main (String[] args)
 104     {
 105       String server="localhost";
 106       int port=1314;
 107       int i;
 108       boolean waitAtEnd=false;
 109       boolean sync=false;
 110
 111       for(i=0; i<args.length; i++)
 112         {
 113           if (args[i].equals("--help"))
 114               useage(null);
 115           else if (args[i].equals("--server"))
 116             {
 117               i++;
 118               if (i>=args.length)
 119                 useage("Need name after --server");
 120
 121               server = args[i];
 122             }
 123           else if (args[i].equals("--port"))
 124             {
 125               i++;
 126               if (i>=args.length)
 127                 useage("Need name after --server");
 128
 129               try {
 130                 port = Integer.parseInt(args[i]);
 131               } catch (NumberFormatException ex) {
 132                 useage("Not a valid port number '" + args[i] + "'");
 133               }
 134
 135             }
 136           else if (args[i].equals("--wait"))
 137             waitAtEnd=true;
 138           else if (args[i].equals("--sync"))
 139             sync=true;
 140           else if (args[i].startsWith("--"))
 141             useage("Unknown argument "+args[i]);
 142           else
 143             break;
 144         }
 145
 146       System.out.println("Server='"+server+":"+port+"'");
 147
 148       Session s=null;
 149
 150       try {
 151         s = new Session(server, port);
 152       } catch (UnknownHostException ex) {
 153         useage("Unknown host '"+ex.getMessage()+"'");
 154       } catch (IOException ex) {
 155         useage("Can't connect '"+ex.getMessage()+"'");
 156       }
 157
 158       s.initialise();
 159
 160       System.out.println("Connected");
 161
 162       if (i == args.length)
 163         {
 164           args = new String[] { "-" };
 165           i=0;
 166         }
 167
 168     RequestListener handler = new RequestHandler(Thread.currentThread());
 169
 170     file:
 171       for(; i<args.length; i++)
 172         {
 173           System.out.println("  '"+args[i]+"'");
 174
 175           String filename = args[i];
 176
 177           Reader reader = null;
 178
 179           try {
 180             if (filename.equals("-"))
 181               reader = new InputStreamReader(System.in);
 182             else
 183               reader =  new InputStreamReader(new FileInputStream(filename));
 184           } catch (FileNotFoundException ex) {
 185             useage("Can't open '"+ ex.getMessage() + "'");
 186           }
 187
 188           ReflectingSchemeReader sreader = new ReflectingSchemeReader(reader);
 189
 190           try {
 191             String exp;
 192             while (true)
 193               {
 194                 if (filename.equals("-"))
 195                   {
 196                     System.out.print("> ");
 197                     System.out.flush();
 198                   }
 199
 200                 exp=sreader.nextExprString();
 201
 202                 if (exp==null)
 203                   break;
 204
 205                 System.out.println(": "+exp);
 206                 Request r = s.request(exp, handler);
 207                 if (sync)
 208                   while (!r.isFinished())
 209                     r.waitForUpdate();
 210               }
 211             } catch (IOException ioex) {
 212               System.out.println("      Error "+ioex.getMessage());
 213               break file;
 214             }
 215           System.out.println("--EOF--");
 216         }
 217
 218       System.out.println("call terminate");
 219       s.terminate(waitAtEnd);
 220     }
 221 };