/**
* Copyright 2010 Philippe Beaudoin
*
* 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.
*/
package com.puzzlebazar.server.handler;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.gwtplatform.dispatch.server.actionhandler.ActionHandler;
import com.gwtplatform.dispatch.server.ExecutionContext;
import com.gwtplatform.dispatch.shared.ActionException;
import com.puzzlebazar.server.model.UserDAO;
import com.puzzlebazar.shared.action.LogoutAction;
import com.puzzlebazar.shared.action.NoResult;
/**
* @author Philippe Beaudoin
*/
public class LogoutActionHandler implements ActionHandler<LogoutAction, NoResult> {
private final Provider<UserDAO> userDao;
@Inject
public LogoutActionHandler(
final Provider<UserDAO> userDao) {
this.userDao = userDao;
}
@Override
public NoResult execute(final LogoutAction action,
final ExecutionContext context) throws ActionException {
try {
userDao.get().logoutSessionUser();
return null;
} catch (Exception cause) {
throw new ActionException(cause);
}
}
@Override
public void undo(final LogoutAction action,
final NoResult result,
final ExecutionContext context) throws ActionException {
// Nothing to do here
}
@Override
public Class<LogoutAction> getActionType() {
return LogoutAction.class;
}
}