--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/rest/LMessungService.java	Thu Jun 13 09:30:12 2013 +0200
@@ -0,0 +1,85 @@
+package de.intevation.lada.rest;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+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.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.UriInfo;
+
+import de.intevation.lada.data.LMessungRepository;
+import de.intevation.lada.model.LMessung;
+
+/**
+* This class produces a RESTful service to read the contents of LProbe table.
+* 
+* @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
+*/
+@Path("/messung")
+@RequestScoped
+public class LMessungService
+{
+    /**
+     * The Repository for LMessung.
+     */
+    @Inject
+    private LMessungRepository repository;
+
+    /**
+     * Request a LMessung via its id.
+     *
+     * @param id The LMessung id
+     * @return JSON Object via REST service.
+     */
+    @GET
+    @Path("/{id}")
+    @Produces("text/json")
+    public Response findById(@PathParam("id") String id) {
+        return repository.findById(LMessung.class, id);
+    }
+
+    /**
+     * 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) {
+        MultivaluedMap<String, String> params = info.getQueryParameters();
+        if (params.isEmpty()) {
+            return repository.findAll(LMessung.class);
+        }
+        String probeId = "";
+        if (params.containsKey("probe")) {
+            probeId = params.getFirst("probe");
+        }
+        return repository.filter(probeId);
+    }
+
+    @PUT
+    @Path("/{id}")
+    @Produces("text/json")
+    @Consumes("application/json")
+    public Response update(LMessung messung) {
+        return repository.update(messung);
+    }
+
+    @POST
+    @Produces("text/json")
+    @Consumes("application/json")
+    public Response create(LMessung messung) {
+        return repository.create(messung);
+    }
+}