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package org.glassfish.jersey.examples.feedcombiner.resources;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import javax.ws.rs.BeanParam;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.NotFoundException;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.GenericEntity;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.inject.Inject;
import javax.validation.Valid;
import org.glassfish.jersey.examples.feedcombiner.model.CombinedFeed;
import org.glassfish.jersey.examples.feedcombiner.model.FeedEntry;
import org.glassfish.jersey.examples.feedcombiner.model.FeedRequestBean;
import org.glassfish.jersey.examples.feedcombiner.service.CrudService;
import org.glassfish.jersey.server.mvc.ErrorTemplate;
import org.glassfish.jersey.server.mvc.Template;
import org.glassfish.jersey.server.mvc.Viewable;
/**
* Expose operations for a web access to feed entries
*
* @author Petr Bouda (petr.bouda at oracle.com)
*/
@Path("/")
@ErrorTemplate(name = "/error.ftl")
public class CombinedFeedController {
@Inject
private CrudService<CombinedFeed> feedService;
@POST
@Template(name = "/index.ftl")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
public Viewable create(@Valid @BeanParam FeedRequestBean request) {
String[] urlArray = createUrls(request.getUrls()).stream().toArray(String[]::new);
CombinedFeed feed = new CombinedFeed.CombinedFeedBuilder(null, urlArray)
.title(request.getTitle())
.description(request.getDescription())
.refreshPeriod(request.getRefreshPeriod()).build();
feedService.save(feed);
return new Viewable("/index.ftl", getModel());
}
@POST
@Template(name = "/index.ftl")
@Path("/delete/{feedId}")
public Viewable delete(@PathParam("feedId") String feedId) {
Serializable deleted = feedService.delete(feedId);
if (deleted != null) {
return new Viewable("/index.ftl", getModel());
} else {
throw new NotFoundException("No Combined Feed was found with ID: " + feedId);
}
}
@GET
@Template(name = "/index.ftl")
public Viewable getAll() {
return new Viewable("/index.ftl", getModel());
}
@GET
@Template(name = "/feed-entries.ftl")
@Path("/{id}")
public CombinedFeed get(@PathParam("id") String feedId) {
CombinedFeed combinedFeed = feedService.get(feedId);
if (combinedFeed != null) {
return combinedFeed;
} else {
throw new NotFoundException("No Combined Feed was found with ID: " + feedId);
}
}
private Map<String, Object> getModel() {
Map<String, Object> model = new HashMap<>();
model.put("feeds", feedService.getAll());
return model;
}
private List<String> createUrls(String urlsWithCommas) {
StringTokenizer tokenizer = new StringTokenizer(urlsWithCommas, ",");
List<String> urls = new ArrayList<>();
while (tokenizer.hasMoreElements()) {
urls.add(tokenizer.nextToken());
}
return urls;
}
}