--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/rest/LMesswertService.java	Fri Jun 14 10:38:28 2013 +0200
@@ -0,0 +1,93 @@
+package de.intevation.lada.rest;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+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.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.Repository;
+import de.intevation.lada.model.LMesswert;
+
+/**
+ * This class produces a RESTful service to read the contents of
+ * l_messert table.
+ * 
+ * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
+ */
+@Path("/messwert")
+@RequestScoped
+public class LMesswertService
+{
+    /**
+     * The Repository for SUmwelt.
+     */
+    @Inject
+    @Named("lmesswertrepository")
+    private Repository repository;
+
+    /**
+     * Request a LProbe via its id.
+     *
+     * @param id The LProbe id
+     * @return JSON Object via REST service.
+     */
+    @GET
+    @Path("/{id}")
+    @Produces("text/json")
+    public Response findById(@PathParam("id") String id) {
+        return repository.findById(LMesswert.class, id);
+    }
+
+    /**
+     * Request LMessert via a filter.
+     *
+     * Query parameters are used for the filter in form of key-value pairs.
+     *
+     * @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 new Response(false, 609, new ArrayList<LMesswert>());
+        }
+        Map<String, String> filter = new HashMap<String, String>();
+        if (!params.containsKey("probe") || !params.containsKey("messung")) {
+            return new Response(false, 609, new ArrayList<LMesswert>());
+        }
+        for (String key: params.keySet()) {
+            filter.put(key, params.getFirst(key));
+        }
+
+        return repository.filter(filter);
+    }
+
+    @PUT
+    @Produces("text/json")
+    @Consumes("application/json")
+    public Response update(LMesswert messwert) {
+        return repository.update(messwert);
+    }
+
+    @POST
+    @Produces("text/json")
+    @Consumes("application/json")
+    public Response create(LMesswert messwert) {
+        return repository.create(messwert);
+    }
+}