Mercurial > lada > lada-server
view src/main/java/de/intevation/lada/rest/LMessungService.java @ 232:d8a3d188046f
Renamed package authentication to auth.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Fri, 05 Jul 2013 13:24:13 +0200 |
parents | ef4c0e646b16 |
children | a31daefe49ea |
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package de.intevation.lada.rest; import java.util.ArrayList; import java.util.List; import javax.enterprise.context.RequestScoped; import javax.inject.Inject; import javax.inject.Named; import javax.ws.rs.Consumes; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.PUT; import javax.ws.rs.Path; import javax.ws.rs.Produces; import javax.ws.rs.core.Context; import javax.ws.rs.core.HttpHeaders; import javax.ws.rs.core.MultivaluedMap; import javax.ws.rs.core.UriInfo; import de.intevation.lada.auth.Authentication; import de.intevation.lada.auth.AuthenticationException; import de.intevation.lada.data.QueryBuilder; import de.intevation.lada.data.Repository; import de.intevation.lada.model.LMessung; /** * This class produces a RESTful service to read, write and update * LMessung objects. * * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a> */ @Path("/messung") @RequestScoped public class LMessungService { /** * The Repository for LMessung. */ @Inject @Named("lmessungrepository") private Repository repository; /** * The authorization module. */ @Inject @Named("ldapauth") private Authentication authentication; /** * Request LMessung via a filter. * * Query parameters are used for the filter in form of key-value pairs. * This filter can take the three parameters * probe=$PROBEID (String) * * @param info The URL query parameters. * @return JSON Object via Rest service. */ @GET @Produces("text/json") public Response filter( @Context UriInfo info, @Context HttpHeaders headers ) { try { if (!authentication.isAuthorizedUser(headers)) { return new Response(false, 699, new ArrayList<LMessung>()); } MultivaluedMap<String, String> params = info.getQueryParameters(); if (params.isEmpty() || !(params.containsKey("probeId"))) { return new Response(false, 609, new ArrayList<LMessung>()); } String probeId = params.getFirst("probeId"); if (authentication.hasAccess(headers, probeId)) { QueryBuilder<LMessung> builder = new QueryBuilder<LMessung>( repository.getEntityManager(), LMessung.class); builder.and("probeId", probeId); return repository.filter(builder.getQuery()); } return new Response(false, 698, new ArrayList<LMessung>()); } catch(AuthenticationException ae) { return new Response(false, 699, new ArrayList<LMessung>()); } } /** * Update a LMessung object. * * @param messung The LMessung object to update. * @param headers The HTTP header containing authorization information. * @return Response object. */ @PUT @Path("/{id}") @Produces("text/json") @Consumes("application/json") public Response update( LMessung messung, @Context HttpHeaders headers ) { try { String probeId = messung.getProbeId(); int messungsId = messung.getId().getMessungsId(); if (authentication.hasAccess(headers, probeId) && !isReadOnly(probeId, messungsId)) { return repository.update(messung); } return new Response(false, 698, new ArrayList<LMessung>()); } catch(AuthenticationException ae) { return new Response(false, 699, new ArrayList<LMessung>()); } } /** * Create a new LMessung object. * * @param messung The new LMessung object. * @param headers The HTTP header containing authorization information. * @return Response object. */ @POST @Produces("text/json") @Consumes("application/json") public Response create( LMessung messung, @Context HttpHeaders headers ) { try { String probeId = messung.getProbeId(); if (authentication.hasAccess(headers, probeId)) { return repository.create(messung); } return new Response(false, 698, new ArrayList<LMessung>()); } catch(AuthenticationException ae) { return new Response(false, 699, new ArrayList<LMessung>()); } } private boolean isReadOnly(String probeId, Integer messungsId) { QueryBuilder<LMessung> builder = new QueryBuilder<LMessung>( repository.getEntityManager(), LMessung.class); builder.and("probeId", probeId) .and("messungsId", String.valueOf(messungsId)); Response response = repository.filter(builder.getQuery()); List<LMessung> messungen = (List<LMessung>) response.getData(); if (messungen.isEmpty()) { return true; } if (messungen.size() > 1) { return true; } return messungen.get(0).isFertig(); } }