--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/rest/MessungService.java	Mon Feb 16 15:25:12 2015 +0100
@@ -0,0 +1,185 @@
+package de.intevation.lada.rest;
+
+import java.util.List;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.UriInfo;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.lada.model.land.LMessung;
+import de.intevation.lada.model.land.MessungTranslation;
+import de.intevation.lada.util.annotation.AuthenticationConfig;
+import de.intevation.lada.util.annotation.AuthorizationConfig;
+import de.intevation.lada.util.annotation.RepositoryConfig;
+import de.intevation.lada.util.auth.Authentication;
+import de.intevation.lada.util.auth.AuthenticationType;
+import de.intevation.lada.util.auth.Authorization;
+import de.intevation.lada.util.auth.AuthorizationType;
+import de.intevation.lada.util.data.QueryBuilder;
+import de.intevation.lada.util.data.Repository;
+import de.intevation.lada.util.data.RepositoryType;
+import de.intevation.lada.util.rest.Response;
+
+@Path("messung")
+@RequestScoped
+public class MessungService {
+
+    /* The logger used in this class.*/
+    @Inject
+    private Logger logger;
+
+    /* The data repository granting read/write access.*/
+    @Inject
+    @RepositoryConfig(type=RepositoryType.RW)
+    private Repository defaultRepo;
+
+    /* The authentication module.*/
+    @Inject
+    @AuthenticationConfig(type=AuthenticationType.NONE)
+    private Authentication authentication;
+
+    /* The authorization module.*/
+    @Inject
+    @AuthorizationConfig(type=AuthorizationType.NONE)
+    private Authorization authorization;
+
+    /**
+     * Get all messung objects.
+     *
+     * @return Response object containing all messung objects.
+     */
+    @GET
+    @Path("/")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response get(
+        @Context HttpHeaders headers,
+        @Context UriInfo info
+    ) {
+        if (!authentication.isAuthenticated(headers)) {
+            logger.debug("User is not authenticated!");
+            return new Response(false, 699, null);
+        }
+        MultivaluedMap<String, String> params = info.getQueryParameters();
+        if (params.isEmpty() || !params.containsKey("probeId")) {
+            return defaultRepo.getAll(LMessung.class, "land");
+        }
+        String probeId = params.getFirst("probeId");
+        QueryBuilder<LMessung> builder =
+            new QueryBuilder<LMessung>(
+                defaultRepo.entityManager("land"),
+                LMessung.class);
+        builder.and("probeId", probeId);
+        return defaultRepo.filter(builder.getQuery(), "land");
+    }
+
+    /**
+     * Get a messung object by id.
+     *
+     * @return Response object containing a single messung.
+     */
+    @GET
+    @Path("/{id}")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response getById(
+        @Context HttpHeaders headers,
+        @PathParam("id") String id
+    ) {
+        if (!authentication.isAuthenticated(headers)) {
+            logger.debug("User is not authenticated!");
+            return new Response(false, 699, null);
+        }
+        return defaultRepo.getById(LMessung.class, Integer.valueOf(id), "land");
+    }
+
+    @POST
+    @Path("/")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response create(
+        @Context HttpHeaders headers,
+        LMessung messung
+    ) {
+        if (!authentication.isAuthenticated(headers)) {
+            return new Response(false, 699, null);
+        }
+        /* Persist the new messung object*/
+        Response response = defaultRepo.create(messung, "land");
+        LMessung ret = (LMessung)response.getData();
+        /* Create and persist a new probe translation object*/
+        MessungTranslation trans = new MessungTranslation();
+        trans.setMessungsId(ret);
+        defaultRepo.create(trans, "land");
+        /* Get and return the new probe object*/
+        Response created =
+            defaultRepo.getById(LMessung.class, ret.getId(), "land");
+        return new Response(true, 200, created.getData());
+    }
+
+    /**
+     * Update an existing messung object.
+     *
+     * @return Response object containing the updated probe object.
+     */
+    @PUT
+    @Path("/")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response update(@Context HttpHeaders headers, LMessung messung) {
+        if (!authentication.isAuthenticated(headers)) {
+            logger.debug("User is not authenticated!");
+            return new Response(false, 699, null);
+        }
+        Response response = defaultRepo.update(messung, "land");
+        Response updated = defaultRepo.getById(
+            LMessung.class,
+            ((LMessung)response.getData()).getId(), "land");
+        return updated;
+    }
+
+    /**
+     * Delete an existing messung object by id.
+     *
+     * @return Response object.
+     */
+    @DELETE
+    @Path("/{id}")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response delete(
+        @Context HttpHeaders headers,
+        @PathParam("id") String id
+    ) {
+        if (!authentication.isAuthenticated(headers)) {
+            logger.debug("User is not authenticated!");
+            return new Response(false, 699, null);
+        }
+        /* Get the messung object by id*/
+        Response messung =
+            defaultRepo.getById(LMessung.class, Integer.valueOf(id), "land");
+        LMessung messungObj = (LMessung)messung.getData();
+        /* Create a query and request the messungTranslation object for the
+         * messung*/
+        QueryBuilder<MessungTranslation> builder =
+            new QueryBuilder<MessungTranslation>(
+                defaultRepo.entityManager("land"), MessungTranslation.class);
+        builder.and("messungs", messungObj.getId());
+        Response messungTrans = defaultRepo.filter(builder.getQuery(), "land");
+        @SuppressWarnings("unchecked")
+        MessungTranslation messungTransObj = ((List<MessungTranslation>)messungTrans.getData()).get(0);
+        /* Delete the messung translation object*/
+        defaultRepo.delete(messungTransObj, "land");
+        /* Delete the probe object*/
+        Response response = defaultRepo.delete(messungObj, "land");
+        return response;
+    }
+}