/* * Copyright (c) 2008 Boulder Community Foundation - iVolunteer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package service; import javax.ws.rs.Path; import javax.ws.rs.GET; import javax.ws.rs.PUT; import javax.ws.rs.DELETE; import javax.ws.rs.Produces; import javax.ws.rs.Consumes; import javax.ws.rs.QueryParam; import javax.ws.rs.DefaultValue; import javax.ws.rs.core.Context; import javax.ws.rs.core.UriInfo; import com.sun.jersey.api.core.ResourceContext; import javax.ws.rs.WebApplicationException; import javax.persistence.NoResultException; import javax.persistence.EntityManager; import java.util.Collection; import persistence.Organization; import persistence.Filter; import persistence.OrganizationType; import persistence.SourceOrgTypeMap; import converter.OrganizationTypeConverter; /** * * @author Dave Angulo */ public class OrganizationTypeResource { @Context protected UriInfo uriInfo; @Context protected ResourceContext resourceContext; protected String id; /** Creates a new instance of OrganizationTypeResource */ public OrganizationTypeResource() { } public void setId(String id) { this.id = id; } /** * Get method for retrieving an instance of OrganizationType identified by * id in XML format. * * @param id * identifier for the entity * @return an instance of OrganizationTypeConverter */ @GET @Produces( { "application/xml", "application/json" }) public OrganizationTypeConverter get( @QueryParam("expandLevel") @DefaultValue("1") int expandLevel) { PersistenceService persistenceSvc = PersistenceService.getInstance(); try { persistenceSvc.beginTx(); return new OrganizationTypeConverter(getEntity(), uriInfo.getAbsolutePath(), expandLevel); } finally { PersistenceService.getInstance().close(); } } /** * Put method for updating an instance of OrganizationType identified by id * using XML as the input format. * * @param id * identifier for the entity * @param data * an OrganizationTypeConverter entity that is deserialized from * a XML stream */ @PUT @Consumes( { "application/xml", "application/json" }) public void put(OrganizationTypeConverter data) { PersistenceService persistenceSvc = PersistenceService.getInstance(); try { persistenceSvc.beginTx(); EntityManager em = persistenceSvc.getEntityManager(); updateEntity(getEntity(), data.resolveEntity(em)); persistenceSvc.commitTx(); } finally { persistenceSvc.close(); } } /** * Delete method for deleting an instance of OrganizationType identified by * id. * * @param id * identifier for the entity */ @DELETE public void delete() { PersistenceService persistenceSvc = PersistenceService.getInstance(); try { persistenceSvc.beginTx(); deleteEntity(getEntity()); persistenceSvc.commitTx(); } finally { persistenceSvc.close(); } } /** * Returns an instance of OrganizationType identified by id. * * @param id * identifier for the entity * @return an instance of OrganizationType */ protected OrganizationType getEntity() { EntityManager em = PersistenceService.getInstance().getEntityManager(); try { return (OrganizationType) em.createQuery( "SELECT e FROM OrganizationType e where e.id = :id").setParameter("id", id) .getSingleResult(); } catch (NoResultException ex) { throw new WebApplicationException(new Throwable("Resource for " + uriInfo.getAbsolutePath() + " does not exist."), 404); } } /** * Updates entity using data from newEntity. * * @param entity * the entity to update * @param newEntity * the entity containing the new data * @return the updated entity */ protected OrganizationType updateEntity(OrganizationType entity, OrganizationType newEntity) { EntityManager em = PersistenceService.getInstance().getEntityManager(); Collection<Filter> filterCollection = entity.getFilterCollection(); Collection<Filter> filterCollectionNew = newEntity.getFilterCollection(); Collection<Organization> organizationCollection = entity.getOrganizationCollection(); Collection<Organization> organizationCollectionNew = newEntity.getOrganizationCollection(); Collection<SourceOrgTypeMap> sourceOrgTypeMapCollection = entity .getSourceOrgTypeMapCollection(); Collection<SourceOrgTypeMap> sourceOrgTypeMapCollectionNew = newEntity .getSourceOrgTypeMapCollection(); entity = em.merge(newEntity); for (Filter value : filterCollection) { if (!filterCollectionNew.contains(value)) { value.getOrganizationTypeCollection().remove(entity); } } for (Filter value : filterCollectionNew) { if (!filterCollection.contains(value)) { value.getOrganizationTypeCollection().add(entity); } } for (Organization value : organizationCollection) { if (!organizationCollectionNew.contains(value)) { throw new WebApplicationException(new Throwable( "Cannot remove items from organizationCollection")); } } for (Organization value : organizationCollectionNew) { if (!organizationCollection.contains(value)) { OrganizationType oldEntity = value.getOrganizationTypeId(); value.setOrganizationTypeId(entity); if (oldEntity != null && !oldEntity.equals(entity)) { oldEntity.getOrganizationCollection().remove(value); } } } for (SourceOrgTypeMap value : sourceOrgTypeMapCollection) { if (!sourceOrgTypeMapCollectionNew.contains(value)) { throw new WebApplicationException(new Throwable( "Cannot remove items from sourceOrgTypeMapCollection")); } } for (SourceOrgTypeMap value : sourceOrgTypeMapCollectionNew) { if (!sourceOrgTypeMapCollection.contains(value)) { OrganizationType oldEntity = value.getOrganizationTypeId(); value.setOrganizationTypeId(entity); if (oldEntity != null && !oldEntity.equals(entity)) { oldEntity.getSourceOrgTypeMapCollection().remove(value); } } } return entity; } /** * Deletes the entity. * * @param entity * the entity to deletle */ protected void deleteEntity(OrganizationType entity) { EntityManager em = PersistenceService.getInstance().getEntityManager(); for (Filter value : entity.getFilterCollection()) { value.getOrganizationTypeCollection().remove(entity); } if (!entity.getOrganizationCollection().isEmpty()) { throw new WebApplicationException(new Throwable( "Cannot delete entity because organizationCollection is not empty.")); } if (!entity.getSourceOrgTypeMapCollection().isEmpty()) { throw new WebApplicationException(new Throwable( "Cannot delete entity because sourceOrgTypeMapCollection is not empty.")); } em.remove(entity); } /** * Returns a dynamic instance of FiltersResource used for entity navigation. * * @param id * identifier for the parent entity * @return an instance of FiltersResource */ @Path("filterCollection/") public FiltersResource getFilterCollectionResource() { FilterCollectionResourceSub resource = resourceContext .getResource(FilterCollectionResourceSub.class); resource.setParent(getEntity()); return resource; } /** * Returns a dynamic instance of OrganizationsResource used for entity * navigation. * * @param id * identifier for the parent entity * @return an instance of OrganizationsResource */ @Path("organizationCollection/") public OrganizationsResource getOrganizationCollectionResource() { OrganizationCollectionResourceSub resource = resourceContext .getResource(OrganizationCollectionResourceSub.class); resource.setParent(getEntity()); return resource; } /** * Returns a dynamic instance of SourceOrgTypeMapsResource used for entity * navigation. * * @param id * identifier for the parent entity * @return an instance of SourceOrgTypeMapsResource */ @Path("sourceOrgTypeMapCollection/") public SourceOrgTypeMapsResource getSourceOrgTypeMapCollectionResource() { SourceOrgTypeMapCollectionResourceSub resource = resourceContext .getResource(SourceOrgTypeMapCollectionResourceSub.class); resource.setParent(getEntity()); return resource; } public static class FilterCollectionResourceSub extends FiltersResource { private OrganizationType parent; public void setParent(OrganizationType parent) { this.parent = parent; } @Override protected Collection<Filter> getEntities(int start, int max, String query) { Collection<Filter> result = new java.util.ArrayList<Filter>(); int index = 0; for (Filter e : parent.getFilterCollection()) { if (index >= start && (index - start) < max) { result.add(e); } index++; } return result; } } public static class OrganizationCollectionResourceSub extends OrganizationsResource { private OrganizationType parent; public void setParent(OrganizationType parent) { this.parent = parent; } @Override protected Collection<Organization> getEntities(int start, int max, String query) { Collection<Organization> result = new java.util.ArrayList<Organization>(); int index = 0; for (Organization e : parent.getOrganizationCollection()) { if (index >= start && (index - start) < max) { result.add(e); } index++; } return result; } } public static class SourceOrgTypeMapCollectionResourceSub extends SourceOrgTypeMapsResource { private OrganizationType parent; public void setParent(OrganizationType parent) { this.parent = parent; } @Override protected Collection<SourceOrgTypeMap> getEntities(int start, int max, String query) { Collection<SourceOrgTypeMap> result = new java.util.ArrayList<SourceOrgTypeMap>(); int index = 0; for (SourceOrgTypeMap e : parent.getSourceOrgTypeMapCollection()) { if (index >= start && (index - start) < max) { result.add(e); } index++; } return result; } } }