/*
* JBoss, Home of Professional Open Source
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.seam.example.tasks.resource;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import org.jboss.resteasy.plugins.providers.atom.Entry;
import org.jboss.resteasy.plugins.providers.atom.Feed;
import org.jboss.resteasy.plugins.providers.atom.Person;
import org.jboss.seam.annotations.Create;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.example.tasks.ResourceNotFoundException;
import org.jboss.seam.example.tasks.entity.Task;
import org.jboss.seam.resteasy.ResourceQuery;
/**
* This resource exposes a list of resolved tasks for a particular user using
* ResourceQuery component. This list is available publicly without
* authentication needed. The list can be marshalled to XML, JSON, Fastinfoset.
* ResourceQuery component is extended in order to provide Atom feed.
*
* @author Jozef Hartinger
*
*/
@Name("resolvedTaskResourceQuery")
@Path("/user/{username}/tasks/resolved")
public class ResolvedTaskResourceQuery extends ResourceQuery<Task>
{
@PathParam("username")
private String username;
public ResolvedTaskResourceQuery()
{
setMediaTypes(new String[] { "application/xml", "application/json", "application/fastinfoset" });
}
@Override
@Create
public void create()
{
super.create();
List<String> restrictions = new ArrayList<String>();
restrictions.add("category.owner.username = #{resolvedTaskResourceQuery.username} AND resolved = true");
getEntityQuery().setRestrictionExpressionStrings(restrictions);
getEntityQuery().setOrderColumn("updated");
getEntityQuery().setOrderDirection("desc");
}
@Produces("application/atom+xml")
@GET
public Feed getFeed() throws URISyntaxException
{
List<Task> tasks = getEntityList(0, 0);
if (tasks.size() == 0)
{
// TODO make difference between empty list and nonsense user
throw new ResourceNotFoundException();
}
Feed feed = new Feed();
feed.setTitle("Resolved feeds for " + username);
feed.getAuthors().add(new Person(username));
feed.setUpdated(new Date(0));
for (Task task : tasks)
{
Entry entry = new Entry();
entry.setTitle(task.getName());
entry.setSummary(task.getName());
entry.setPublished(task.getCreated());
entry.setUpdated(task.getUpdated());
feed.getEntries().add(entry);
}
return feed;
}
public String getUsername()
{
return username;
}
}