Use reflection to generate the async interface from the Service interface as per GWT standard
package org.drools.brms.gwtutil; /* * Copyright 2005 JBoss Inc * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.Method; import org.drools.brms.client.rpc.RepositoryService; /** * This utility uses reflection to generate the async interface from the * Service interface as per GWT standard. * * @author Michael Neale */ public class AsyncInterfaceGenerator { public static void main(String[] args) throws Exception { Class cls = RepositoryService.class; String line = ""; Method[] methods = cls.getMethods(); for ( int i = 0; i < methods.length; i++ ) { Method meth = methods[i]; if (meth.getDeclaringClass() == cls) { line += "public void " + meth.getName() + "("; Class params[] = meth.getParameterTypes(); for ( int j = 0; j < params.length; j++ ) { String type = params[j].getName(); if (type.equals( "[Ljava.lang.String;" )) { type = "String[]"; } line += type; line += " p" + j; if (j < params.length -1) { line += ", "; } } if (line.endsWith( "(" )) { line += "AsyncCallback cb"; } else { line += ", AsyncCallback cb"; } line += ");\n"; } } System.out.println("/** Generated by AsyncInterfaceGenerator hackery */"); System.out.println(line); } }