/*
* Copyright (c) 2009-2010 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.text.ParseException;
import java.util.Date;
import java.util.List;
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.BackgroundItem;
import org.eurekastreams.server.domain.BackgroundItemType;
import org.eurekastreams.server.domain.Enrollment;
import org.eurekastreams.server.domain.Person;
import org.eurekastreams.server.persistence.PersonMapper;
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 a enrollment collection.
*/
public class EnrollmentsCollectionResource extends EnrollmentsResource
{
/**
* Logger.
*/
private Log log = LogFactory.getLog(EnrollmentsCollectionResource.class);
/**
* Mapper to retrieve a person.
*/
private PersonMapper personMapper;
/**
* The account name of the person whose enrollments are being requested.
*/
private String uuid;
/**
* Initialize parameters from the request object. the context of the request
*
* @param request
* the client's request
*/
protected void initParams(final Request request)
{
log.trace("Entered init");
uuid = (String) request.getAttributes().get("uuid");
log.trace("Exit init");
}
/**
* The Person Mapper. Used by tests.
*
* @param inPersonMapper
* mapper.
*/
public void setPersonMapper(final PersonMapper inPersonMapper)
{
personMapper = inPersonMapper;
}
/**
* Handles GET request.
*
* @param variant
* the variant whose representation must be returned
* @return representation of the enrollments additionalDetails
* @throws ResourceException
* on error
*/
@Override
public Representation represent(final Variant variant) throws ResourceException
{
List<Enrollment> enrollments = getEnrollmentMapper().findPersonEnrollmentsByOpenSocialId(uuid);
log.debug("EnrollmentsCollectionResource: number of enrollments = " + enrollments.size());
JSONObject json = new JSONObject();
JSONArray jsonEnrollments = new JSONArray();
for (Enrollment enrollment : enrollments)
{
jsonEnrollments.add(convertEnrollmentToJSONObject(enrollment));
log.debug("Added enrollment(id: " + enrollment.getId() + ") to json array.");
}
json.put(ENROLLMENTS_KEY, jsonEnrollments);
if (log.isTraceEnabled())
{
log.trace("EnrollmentsCollectionResource: json = " + json.toString());
}
Representation rep = new StringRepresentation(json.toString(), MediaType.APPLICATION_JSON);
rep.setExpirationDate(new Date(0L));
return rep;
}
/**
* Handle POST requests to create new entity.
*
* @param entity
* the resource's new representation
* @throws ResourceException
* hopefully not
*/
@Override
public void acceptRepresentation(final Representation entity) throws ResourceException
{
log.trace("Entering AcceptRepresentation");
try
{
String jsonText = entity.getText();
log.debug("POST text to EnrollmentsCollectionResource: " + jsonText);
Person person = personMapper.findByOpenSocialId(uuid);
JSONObject jsonObject = JSONObject.fromObject(jsonText);
validateEnrollment(jsonObject);
String schoolName = jsonObject.getString(SCHOOL_NAME_KEY);
String degree = jsonObject.getString(DEGREE_KEY);
List<BackgroundItem> areasOfStudy =
convertJSONArrayToBackgroundItems(jsonObject.getJSONArray(AREAS_OF_STUDY_KEY),
BackgroundItemType.AREA_OF_STUDY);
log.debug("Areas of Study list has " + areasOfStudy.size()
+ " items in it - raw: " + areasOfStudy.toString());
List<BackgroundItem> activities =
convertJSONArrayToBackgroundItems(jsonObject.getJSONArray(ACTIVITIES_KEY),
BackgroundItemType.ACTIVITY_OR_SOCIETY);
log.debug("Activity or Society list has " + activities.size()
+ " items in it - raw: " + activities.toString());
String additionalDetails = jsonObject.getString(ADDITIONAL_DETAILS_KEY);
Date gradDate = getDateObjectFromDateString(jsonObject.getString(GRADDATE_KEY));
Enrollment enrollment = new Enrollment(
person,
schoolName,
degree,
areasOfStudy,
gradDate,
activities,
additionalDetails);
getEnrollmentMapper().insert(enrollment);
getEnrollmentMapper().flush(uuid);
getAdaptedResponse().setEntity(convertEnrollmentToJSONObject(enrollment).toString(),
MediaType.APPLICATION_JSON);
}
catch (IOException ioe)
{
String msg = "Unable to parse create enrollment JSON passed in for user: " + uuid + ".";
log.error(msg, ioe);
throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, msg);
}
catch (ParseException pe)
{
String msg = "Unable to parse the date of a new enrollment for person " + uuid + ".";
log.error(msg, pe);
throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, msg);
}
catch (Exception ex)
{
String msg = "Error occurred attempting to write enrollment for person " + uuid + ". Error: " + ex;
log.error(msg, ex);
throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, msg);
}
}
}