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//
// Authors:
// Christian Hergert <chris@mosaix.net>
// Ben Motmans <ben.motmans@gmail.com>
//
// Copyright (C) 2005 Christian Hergert
// Copyright (c) 2007 Ben Motmans
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
using System;
using System.Data;
using System.Threading;
using System.Collections.Generic;
using Mono.Addins;
using MonoDevelop.Database.Sql;
using MonoDevelop.Core;
using MonoDevelop.Core.Gui;
namespace MonoDevelop.Database.Sql
{
public delegate void DatabaseConnectionContextCallback (DatabaseConnectionContext context, bool connected, object state);
public static class QueryService
{
public static void RaiseException (Exception exception)
{
Services.MessageService.ShowError (exception);
LoggingService.LogError ("Database Exception", exception);
}
public static void RaiseException (string message, Exception exception)
{
Services.MessageService.ShowError (exception, message);
LoggingService.LogError ("Database Exception", exception);
}
//TODO: show errors
public static void EnsureConnection (DatabaseConnectionContext context, DatabaseConnectionContextCallback callback, object state)
{
if (context == null)
throw new ArgumentNullException ("context");
if (callback == null)
throw new ArgumentNullException ("callback");
IConnectionPool pool = context.ConnectionPool;
if (pool.IsInitialized) {
callback (context, true, state);
return;
}
IDbFactory fac = DbFactoryService.GetDbFactory (context.ConnectionSettings);
bool requiresPassword = fac.GetCapabilities ("ConnectionSettings", SchemaActions.Schema) == (int)ConnectionSettingsCapabilities.Password;
if (!context.ConnectionSettings.SavePassword && String.IsNullOrEmpty (context.ConnectionSettings.Password) && requiresPassword) {
string password = Services.MessageService.GetPassword (
AddinCatalog.GetString ("Please enter the password for connection '{0}'",
context.ConnectionSettings.Name),
AddinCatalog.GetString ("Enter Password")
);
if (password == null) {
callback (context, false, state);
return;
} else {
context.ConnectionSettings.Password = password;
}
}
EnsureConnectionState internalState = new EnsureConnectionState (context, callback, state);
ThreadPool.QueueUserWorkItem (new WaitCallback (EnsureConnectionThreaded), internalState);
}
private static void EnsureConnectionThreaded (object obj)
{
EnsureConnectionState internalState = obj as EnsureConnectionState;
IConnectionPool pool = internalState.ConnectionContext.ConnectionPool;
try {
bool connected = pool.Initialize ();
DispatchService.GuiDispatch (delegate () {
internalState.Callback (internalState.ConnectionContext, connected, internalState.State);
});
} catch (Exception e) {
LoggingService.LogDebug (e.ToString ());
DispatchService.GuiDispatch (delegate () {
internalState.Callback (internalState.ConnectionContext, false, internalState.State);
});
}
}
}
internal class EnsureConnectionState
{
public object State;
public DatabaseConnectionContext ConnectionContext;
public DatabaseConnectionContextCallback Callback;
public EnsureConnectionState (DatabaseConnectionContext context, DatabaseConnectionContextCallback callback, object state)
{
ConnectionContext = context;
Callback = callback;
State = state;
}
}
}
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