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  //
  // $Id: GenReceiverTask.java 6776 2012-02-03 21:25:13Z mdb $
  //
  // Narya library - tools for developing networked games
  // Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
  // http://code.google.com/p/narya/
  //
  // This library is free software; you can redistribute it and/or modify it
  // under the terms of the GNU Lesser General Public License as published
 // by the Free Software Foundation; either version 2.1 of the License, or
 // (at your option) any later version.
 //
 // This library is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 // Lesser General Public License for more details.
 //
 // You should have received a copy of the GNU Lesser General Public
 // License along with this library; if not, write to the Free Software
 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
 package com.threerings.presents.tools;
 
 
 import java.util.List;
 
 import java.io.File;
 
 
 
An Ant task for generating invocation receiver marshalling and unmarshalling classes.
 
 public class GenReceiverTask extends InvocationTask
 {
    
Configures the path to our ActionScript source files.
 
     public void setAsroot (File asroot)
     {
          = asroot;
     }
 
     @Override
     public void processClass (File sourceClass<?> receiver)
         throws Exception
     {
         ..println("Processing " + receiver.getName() + "...");
         String rname = receiver.getName();
         String rpackage = "";
         int didx = rname.lastIndexOf(".");
         if (didx != -1) {
             rpackage = rname.substring(0, didx);
             rname = rname.substring(didx+1);
         }
 
         // verify that the receiver class name is as we expect it to be
         Preconditions.checkArgument(rname.endsWith("Receiver"), "Cannot process '%s'. " +
             "Receiver classes must be named SomethingReceiver."rname);
 
         ImportSet imports = new ImportSet();
         ComparableArrayList<ServiceMethodmethods = new ComparableArrayList<ServiceMethod>();
 
         // look through and locate our receiver methods
         Method[] methdecls = receiver.getDeclaredMethods();
         for (Method m : methdecls) {
             // receiver interface methods must be public and abstract
             if (!Modifier.isPublic(m.getModifiers()) &&
                 !Modifier.isAbstract(m.getModifiers())) {
                 continue;
             }
             methods.add(createAndGatherImports(mimports));
         }
         methods.sort();
 
         // import Foo instead of Foo$Bar
         imports.swapInnerClassesForParents();
 
         // Adjust any bits that want to import arrays to instead import their element classes.
         imports.translateClassArrays();
         imports.removeArrays();
 
         // get rid of primitives and java.lang types
         imports.removeGlobals();
 
         generateSender(sourcernamerpackagemethodsimports);
         generateDecoder(receiversourcernamerpackagemethodsimports,
             StringUtil.md5hex(rpackage + "." + rname));
     }
    protected void generateSender (File sourceString rnameString rpackage,
                                   List<?> methodsImportSet imports)
        throws Exception
    {
        String name = rname.replace("Receiver""");
        String spackage = rpackage.replace(".client"".server");
        // construct our imports list
        ImportSet impset = new ImportSet();
        impset.addAll(imports);
        impset.add(ClientObject.class);
        impset.add(InvocationSender.class);
        String dname = rname.replace("Receiver""Decoder");
        impset.add(rpackage + "." + dname);
        impset.add(rpackage + "." + rname);
        // determine the path to our sender file
        String mpath = source.getPath();
        mpath = mpath.replace("Receiver""Sender");
        mpath = replacePath(mpath"/client/""/server/");
        writeTemplate(mpath,
            "name"name,
            "package"spackage,
            "methods"methods,
            "importGroups"impset.toGroups());
    }
    protected void generateDecoder (Class<?> receiverFile sourceString rnameString rpackage,
                                    List<ServiceMethodmethodsImportSet imports,
                                    String rcodethrows Exception
    {
        String name = rname.replace("Receiver""");
        // construct our imports list
        ImportSet impset = new ImportSet();
        impset.addAll(imports);
        impset.add(InvocationDecoder.class);
        // determine the path to our sender file
        String mpath = source.getPath();
        mpath = mpath.replace("Receiver""Decoder");
        writeTemplate(mpath,
            "name"name,
            "receiver_code"rcode,
            "package"rpackage,
            "methods"methods,
            "importGroups"impset.toGroups());
        if ( == null) {
            return;
        }
        // generate an ActionScript decoder
        String sppath = rpackage.replace('.'.);
        String aspath =  + . + sppath + . + name + "Decoder.as";
        writeTemplate(aspath,
            "name"name,
            "receiver_code"rcode,
            "package"rpackage,
            "methods"methods,
            "importGroups"impset.toGroups());
        // ... and an ActionScript receiver
        aspath =  + . + sppath + . + rname + ".as";
        impset.remove(InvocationDecoder.class);
        impset.add(InvocationReceiver.class);
        writeTemplate(aspath,
            "name"name,
            "package"rpackage,
            "methods"methods,
            "importGroups"impset.toGroups());
    }

    
The path to our ActionScript source files.
    protected File _asroot;

    
Specifies the path to the sender template.
    protected static final String SENDER_TMPL =
        "com/threerings/presents/tools/sender.tmpl";

    
Specifies the path to the decoder template.
    protected static final String DECODER_TMPL =
        "com/threerings/presents/tools/decoder.tmpl";

    
Specifies the path to the decoder template.
    protected static final String AS_DECODER_TMPL =
        "com/threerings/presents/tools/decoder_as.tmpl";

    
Specifies the path to the decoder template.
    protected static final String AS_RECEIVER_TMPL =
        "com/threerings/presents/tools/receiver_as.tmpl";
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