/*
* Copyright (c) 2010-2011 Lockheed Martin Corporation
*
* 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 org.eurekastreams.web.client.model;
import java.io.Serializable;
import java.util.HashMap;
import org.eurekastreams.server.domain.stream.Stream;
import org.eurekastreams.server.service.actions.response.GetCurrentUserStreamFiltersResponse;
import org.eurekastreams.web.client.events.CustomStreamCreatedEvent;
import org.eurekastreams.web.client.events.CustomStreamDeletedEvent;
import org.eurekastreams.web.client.events.CustomStreamUpdatedEvent;
import org.eurekastreams.web.client.events.data.GotCurrentUserCustomStreamsResponseEvent;
import org.eurekastreams.web.client.ui.Session;
import org.eurekastreams.web.client.ui.common.stream.StreamJsonRequestFactory;
import com.google.gwt.json.client.JSONObject;
import com.google.gwt.json.client.JSONParser;
/**
* Custom stream model.
*
*/
public class CustomStreamModel extends BaseModel implements Fetchable<Serializable>,
Insertable<HashMap<String, Serializable>>, Updateable<HashMap<String, Serializable>>, Deletable<Stream>
{
/**
* Singleton.
*/
private static CustomStreamModel model = new CustomStreamModel();
/**
* Gets the singleton.
*
* @return the singleton.
*/
public static CustomStreamModel getInstance()
{
return model;
}
/**
* {@inheritDoc}
*/
public void fetch(final Serializable request, final boolean useClientCacheIfAvailable)
{
super.callReadAction("getCurrentUsersStreams", request,
new OnSuccessCommand<GetCurrentUserStreamFiltersResponse>()
{
public void onSuccess(final GetCurrentUserStreamFiltersResponse response)
{
Session.getInstance().getEventBus().notifyObservers(
new GotCurrentUserCustomStreamsResponseEvent(response));
}
}, useClientCacheIfAvailable);
}
/**
* {@inheritDoc}
*/
public void insert(final HashMap<String, Serializable> request)
{
JSONObject json = JSONParser.parse((String) request.get("stream")).isObject();
if (!"".equals(request.get(StreamJsonRequestFactory.SEARCH_KEY)))
{
json = StreamJsonRequestFactory.setSearchTerm((String) request.get(StreamJsonRequestFactory.SEARCH_KEY),
json);
}
Stream stream = new Stream();
stream.setRequest(json.toString());
stream.setName((String) request.get("name"));
stream.setId(0L);
super.callWriteAction("modifyStreamForCurrentUser", stream, new OnSuccessCommand<Stream>()
{
public void onSuccess(final Stream response)
{
Session.getInstance().getEventBus().notifyObservers(new CustomStreamCreatedEvent(response));
}
});
}
/**
* {@inheritDoc}
*/
public void update(final HashMap<String, Serializable> request)
{
JSONObject json = JSONParser.parse((String) request.get("stream")).isObject();
if (!"".equals(request.get(StreamJsonRequestFactory.SEARCH_KEY)))
{
json = StreamJsonRequestFactory.setSearchTerm((String) request.get(StreamJsonRequestFactory.SEARCH_KEY),
json);
}
Stream stream = new Stream();
stream.setRequest(json.toString());
stream.setName((String) request.get("name"));
stream.setId((Long) request.get("id"));
super.callWriteAction("modifyStreamForCurrentUser", stream, new OnSuccessCommand<Stream>()
{
public void onSuccess(final Stream response)
{
Session.getInstance().getEventBus().notifyObservers(new CustomStreamUpdatedEvent(response));
}
});
}
/**
* {@inheritDoc}
*/
public void delete(final Stream request)
{
super.callWriteAction("deleteStreamForCurrentUser", request.getId(), new OnSuccessCommand<Long>()
{
public void onSuccess(final Long response)
{
Session.getInstance().getEventBus().notifyObservers(new CustomStreamDeletedEvent(request));
}
});
}
}