/*
* Copyright (c) 2009 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.server.service.restlets;
import java.io.IOException;
import java.util.Date;
import java.util.Set;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eurekastreams.server.domain.CompositeEntity;
import org.eurekastreams.server.domain.Person;
import org.eurekastreams.server.persistence.CompositeEntityMapper;
import org.restlet.data.MediaType;
import org.restlet.data.Request;
import org.restlet.data.Status;
import org.restlet.resource.Representation;
import org.restlet.resource.ResourceException;
import org.restlet.resource.StringRepresentation;
import org.restlet.resource.Variant;
/**
* REST endpoint for an entity overview.
*/
public class CompositeEntityOverviewResource extends WritableResource
{
/**
* Logger.
*/
private Log log = LogFactory.getLog(CompositeEntityOverviewResource.class);
/**
* Mapper to retrieve an entity.
*/
private CompositeEntityMapper entityMapper;
/**
* The short name of the entity whose description is being requested.
*/
private String entityShortName;
/**
* The key used in the JSON string.
*/
public static final String OVERVIEW_KEY = "overview";
/**
* The key used to identify the coordinators array.
*/
public static final String COORDINATORS_KEY = "coordinators";
/**
* The key used to identify the coordinator's account id.
*/
public static final String ACCOUNTID_KEY = "accountId";
/**
* Initialize parameters from the request object.
* the context of the request
* @param request
* the client's request
*/
protected void initParams(final Request request)
{
entityShortName = (String) request.getAttributes().get("shortName");
}
/**
* This method is only here to help in testing. I want to find a better way to get spring involved in the setup, and
* to have spring inject a mocked mapper.
*
* @param inEntityMapper
* mapper.
*/
public void setEntityMapper(final CompositeEntityMapper inEntityMapper)
{
entityMapper = inEntityMapper;
}
/**
* Handles GET request.
*
* @param variant
* the variant whose representation must be returned
* @return representation of the entity description
* @throws ResourceException
* on error
*/
@Override
public Representation represent(final Variant variant) throws ResourceException
{
CompositeEntity entity = entityMapper.findByShortName(entityShortName);
Set<Person> coordinators = entity.getCoordinators();
JSONObject json = new JSONObject();
// add the overview
json.put(OVERVIEW_KEY, entity.getOverview());
JSONArray jsonCoordinators = new JSONArray();
for (Person person : coordinators)
{
jsonCoordinators.add(person.getOpenSocialId());
}
json.put(COORDINATORS_KEY, jsonCoordinators);
StringRepresentation response = new StringRepresentation(json.toString(), MediaType.APPLICATION_JSON);
response.setExpirationDate(new Date(0L));
log.debug("Sending response: " + response.getText());
return response;
}
/**
* Handle PUT requests.
*
* @param entity
* the resource's new representation
* @throws ResourceException
* hopefully not
*/
@Override
public void storeRepresentation(final Representation entity) throws ResourceException
{
CompositeEntity cmpEntity = entityMapper.findByShortName(entityShortName);
try
{
String text = entity.getText();
log.debug("PUT entity overview for " + entityShortName + ": " + text);
JSONObject jsonObject = JSONObject.fromObject(text);
String overview = jsonObject.getString(OVERVIEW_KEY);
cmpEntity.setOverview(overview);
entityMapper.flush();
}
catch (IOException e)
{
log.error("Unable to read update to overview for " + entityShortName, e);
throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "Error with the provided Representation");
}
catch (Exception ex)
{
log.error("Unable to store the update for overview for " + entityShortName, ex);
throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "Error storing the provided Representation");
}
}
}