/*
* Copyright (c) 2010-2012 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.ui.common.stream.transformers;
import java.util.HashMap;
import org.eurekastreams.server.domain.EntityType;
import org.eurekastreams.server.domain.Page;
import org.eurekastreams.server.domain.stream.ActivityDTO;
import org.eurekastreams.server.domain.stream.StreamEntityDTO;
import org.eurekastreams.web.client.history.CreateUrlRequest;
import org.eurekastreams.web.client.history.HistoryHandler;
import org.eurekastreams.web.client.ui.Session;
/**
* Builds a link to a stream search.
*/
public class ActivityStreamSearchLinkBuilder extends StreamSearchLinkBuilder
{
/**
* The activity that the link belongs to.
*/
private final ActivityDTO activity;
/**
* Constructor.
*
* @param inActivity
* the activity that the link belongs to
*/
public ActivityStreamSearchLinkBuilder(final ActivityDTO inActivity)
{
activity = inActivity;
}
/**
* Build a hashtag search link for an activity.
*
* @param searchText
* the hashtag to create a link for
* @param streamViewId
* the id of the stream view to scope the search to, or null for all
* @return a relative hyperlink to search the stream with the input search text
*/
@Override
public String buildHashtagSearchLink(final String searchText, final Long streamViewId)
{
HashMap<String, String> params = new HashMap<String, String>();
params.put("search", searchText);
HistoryHandler history = Session.getInstance().getHistoryHandler();
// if a user clicks on a hashtag on the single activity view then search for the hashtag in the stream the
// activity was posted to
if (history.getPage() == Page.ACTIVITY && history.getViews().size() == 1
&& history.getViews().get(0).matches("\\d+"))
{
StreamEntityDTO destinationStream = activity.getDestinationStream();
Page destinationPage = destinationStream.getEntityType() == EntityType.PERSON ? Page.PEOPLE : Page.GROUPS;
String destinationView = destinationStream.getUniqueId();
return "#"
+ Session.getInstance()
.generateUrl(new CreateUrlRequest(destinationPage, destinationView, params));
}
// otherwise, search for hashtags in whatever stream the user is currently viewing
else
{
return "#" + Session.getInstance().generateUrl(new CreateUrlRequest(params, false));
}
}
}