/*
* FinTP - Financial Transactions Processing Application
* Copyright (C) 2013 Business Information Systems (Allevo) S.R.L.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* or contact Allevo at : 031281 Bucuresti, 23C Calea Vitan, Romania,
* phone +40212554577, office@allevo.ro <mailto:office@allevo.ro>, www.allevo.ro.
*/
package ro.allevo.fintpws.resources;
import java.net.URI;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.RollbackException;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
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.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import ro.allevo.fintpws.exceptions.ApplicationJsonException;
import ro.allevo.fintpws.model.RoleEntity;
import ro.allevo.fintpws.model.UserEntity;
import ro.allevo.fintpws.model.UserRoleEntity;
import ro.allevo.fintpws.util.JsonResponseWrapper;
public class RolesResource extends PagedCollection {
/**
* Field logger
*/
private static final Logger logger = LogManager
.getLogger(RoutingRulesResource.class.getName());
/**
* Field ERROR_MESSAGE_GET_ROLES. (value is ""Error returning roles : "")
*/
static final String ERROR_MESSAGE_GET_ROLES = "Error returning roles : ";
/**
* Field ERROR_MESSAGE_POST_ROLES. (value is ""Error creating roles : "")
*/
static final String ERROR_MESSAGE_POST_ROLES = "Error creating roles : ";
/**
* Field ERROR_REASON_JSON. (value is ""json"")
*/
static final String ERROR_REASON_JSON = "json";
/**
* Field ERROR_REASON_NUMBER_FORMAT. (value is ""number format"")
*/
static final String ERROR_REASON_NUMBER_FORMAT = "number format";
/**
* Field ERROR_REASON_ROLLBACK_EXCEPTION. (value is ""conflict"")
*/
static final String ERROR_REASON_CONFLICT = "conflict";
/**
* Field ERROR_REASON_ROLLBACK. (value is ""rollback"")
*/
static final String ERROR_REASON_ROLLBACK = "rollback";
/**
* Field entityManagerConfig
*/
private final EntityManager entityManagerConfig;
/**
* Users Entity
*/
private UserEntity userEntity;
public RolesResource(UriInfo uriInfo, EntityManager entityManagerConfig) {
super(uriInfo, entityManagerConfig.createNamedQuery(
"RoleEntity.findAll", RoleEntity.class),
entityManagerConfig.createNamedQuery(
"RoleEntity.findTotal", Long.class));
this.entityManagerConfig = entityManagerConfig;
this.userEntity = null;
}
/**
*
* @param uriInfo
* UriInfo
* @param entityManagerConfig
* EntityManager
*/
public RolesResource(UriInfo uriInfo, EntityManager entityManagerConfig,
UserEntity usersEntity) {
super(uriInfo, entityManagerConfig.createNamedQuery(
"RoleEntity.findUserAuthorities", RoleEntity.class)
.setParameter("userid", usersEntity.getUserid()),
entityManagerConfig.createNamedQuery(
"RoleEntity.findTotalUserAuthorities", Long.class)
.setParameter("userid", usersEntity.getUserid()));
this.entityManagerConfig = entityManagerConfig;
this.userEntity = usersEntity;
}
/**
* Returns a role sub-resource with roleid
*
* @param roleid
* String roleid of the role as last element in the path
*
* @return RoleResource The role sub-resource
*/
@Path("{name}")
public RoleResource getRoleResource(@PathParam("name") String rolename) {
return new RoleResource(getUriInfo(), entityManagerConfig, rolename, userEntity);
}
/**
* GET method : returns an application/json formatted list of roles
*
* @return JSONObject The list of roles
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public JSONObject getRolesAsJson() {
try {
getPage();
return asJson();
} catch (JSONException je) {
logger.error(ERROR_MESSAGE_GET_ROLES + ERROR_REASON_JSON, je);
throw new ApplicationJsonException(je, ERROR_MESSAGE_GET_ROLES
+ ERROR_REASON_JSON,
Response.Status.INTERNAL_SERVER_ERROR.getStatusCode());
}
}
/**
* POST method: creates a role
*
* @param jsonEntity
* JSONObject
* @return Response
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
public Response postRole(JSONObject jsonEntity) {
String id = "-1";
URI roleUri = null;
try {
//check if you will insert role, a role for a specific user
//or grant authority for queue
// if you attach role to a user
if (userEntity != null) {
final UserRoleEntity userRoleEntity = new UserRoleEntity();
if (jsonEntity.has("mapid")) {
userRoleEntity.setMapId(new Long(jsonEntity
.getString("mapid")).longValue());
}
RoleEntity foundRoleEntity = RoleResource.findByRoleName(
entityManagerConfig, jsonEntity.getString("name"));
userRoleEntity.setUserid(userEntity.getUserid());
userRoleEntity.setRoleid(foundRoleEntity.getRoleid());
entityManagerConfig.getTransaction().begin();
entityManagerConfig.persist(userRoleEntity);
id = entityManagerConfig.getEntityManagerFactory()
.getPersistenceUnitUtil().getIdentifier(userRoleEntity)
.toString();
entityManagerConfig.getTransaction().commit();
roleUri = getUriInfo().getAbsolutePathBuilder()
.path(String.valueOf(foundRoleEntity.getName())).build();
}
else {
final RoleEntity roleEntity = new RoleEntity();
roleEntity.setName(jsonEntity.getString("name"));
roleEntity.setDescription(jsonEntity.optString("description"));
roleEntity.setIsUserCreated(1);
entityManagerConfig.getTransaction().begin();
entityManagerConfig.persist(roleEntity);
id = entityManagerConfig.getEntityManagerFactory()
.getPersistenceUnitUtil().getIdentifier(roleEntity).toString();
entityManagerConfig.getTransaction().commit();
roleUri = getUriInfo().getAbsolutePathBuilder()
.path(String.valueOf(roleEntity.getName())).build();
}
} catch (JSONException je) {
logger.error(ERROR_MESSAGE_POST_ROLES + ERROR_REASON_JSON, je);
throw new ApplicationJsonException(je, ERROR_MESSAGE_POST_ROLES
+ ERROR_REASON_JSON,
Response.Status.BAD_REQUEST.getStatusCode());
} catch (RollbackException re) {
ApplicationJsonException.handleSQLException(re,
ERROR_MESSAGE_POST_ROLES, logger);
logger.error(ERROR_MESSAGE_POST_ROLES + ERROR_REASON_ROLLBACK, re);
throw re;
} catch (NumberFormatException nfe) {
logger.error(ERROR_MESSAGE_POST_ROLES + ERROR_REASON_NUMBER_FORMAT,
nfe);
throw new ApplicationJsonException(nfe, ERROR_MESSAGE_POST_ROLES
+ ERROR_REASON_NUMBER_FORMAT,
Response.Status.BAD_REQUEST.getStatusCode());
} finally {
if (null != entityManagerConfig) {
entityManagerConfig.close();
}
}
return JsonResponseWrapper.getResponse(id, Response.Status.CREATED,
roleUri);
}
/**
* Returns the resource formatted as json
*
* @throws JSONException
* @return JSONObject
* @throws JSONException
*
*/
@SuppressWarnings("unchecked")
public JSONObject asJson() throws JSONException {
final JSONObject rolesAsJson = super.asJson();
// fill data
final JSONArray rolesArray = new JSONArray();
final List<?> items = getItems();
if (items.size() > 0) {
for (RoleEntity roleEntity : (List<RoleEntity>) items) {
rolesArray.put(RoleResource.asJson(
roleEntity,
UriBuilder.fromPath(getUriInfo().getPath())
.path(String.valueOf(roleEntity.getRoleid()))
.build().getPath()));
}
}
rolesAsJson.put("roles", rolesArray);
return rolesAsJson;
}
}