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/*
Copyright (C) 2011-2015 de4dot@gmail.com
This file is part of de4dot.
de4dot is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
de4dot 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with de4dot. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Reflection;
namespace AssemblyData {
class GenericService : AssemblyService, IGenericService {
IUserGenericService userGenericService;
public override void Exit() {
if (userGenericService != null)
userGenericService.Dispose();
userGenericService = null;
base.Exit();
}
public void LoadUserService(Type createServiceType, object createMethodArgs) {
var createServiceMethod = GetCreateUserServiceMethod(createServiceType);
userGenericService = createServiceMethod.Invoke(null, null) as IUserGenericService;
if (userGenericService == null)
throw new ApplicationException("create-service-method failed to create user service");
}
MethodInfo GetCreateUserServiceMethod(Type createServiceType) {
if (createServiceType == null)
throw new ApplicationException(string.Format("Create-service-type is null"));
foreach (var method in createServiceType.GetMethods(BindingFlags.DeclaredOnly | BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic)) {
if (method.GetCustomAttributes(typeof(CreateUserGenericServiceAttribute), false).Length > 0)
return method;
}
throw new ApplicationException(string.Format("Failed to find create-service-method. Type token: Type: {0}", createServiceType));
}
void CheckUserService() {
if (userGenericService == null)
throw new ApplicationException("LoadUserService() hasn't been called yet.");
}
public void LoadAssembly(string filename) {
CheckUserService();
LoadAssemblyInternal(filename);
userGenericService.AssemblyLoaded(assembly);
}
public object SendMessage(int msg, object[] args) {
CheckUserService();
return userGenericService.HandleMessage(msg, args);
}
}
}
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