--- a/src/main/java/de/intevation/lada/rest/MessprogrammService.java	Fri Jun 17 12:17:08 2016 +0200
+++ b/src/main/java/de/intevation/lada/rest/MessprogrammService.java	Mon Jun 27 17:04:02 2016 +0200
@@ -38,6 +38,9 @@
 import de.intevation.lada.util.data.RepositoryType;
 import de.intevation.lada.util.rest.RequestMethod;
 import de.intevation.lada.util.rest.Response;
+import de.intevation.lada.validation.Validator;
+import de.intevation.lada.validation.Violation;
+import de.intevation.lada.validation.annotation.ValidationConfig;
 
 /**
  * REST service for Messprogramm objects.
@@ -102,6 +105,13 @@
     @AuthorizationConfig(type=AuthorizationType.HEADER)
     private Authorization authorization;
 
+    /**
+     * The validator used for Messprogramm objects.
+     */
+    @Inject
+    @ValidationConfig(type="Messprogramm")
+    private Validator validator;
+
     @Inject
     private ProbeFactory factory;
 
@@ -232,6 +242,14 @@
             return new Response(false, 699, null);
         }
 
+        Violation violation = validator.validate(messprogramm);
+        if (violation.hasErrors()) {
+            Response response = new Response(false, 604, messprogramm);
+            response.setErrors(violation.getErrors());
+            response.setWarnings(violation.getWarnings());
+            return response;
+        }
+
         if (messprogramm.getUmwId() == null || messprogramm.getUmwId().length() == 0) {
             messprogramm = factory.findUmweltId(messprogramm);
         }
@@ -293,6 +311,15 @@
         ) {
             return new Response(false, 699, null);
         }
+
+        Violation violation = validator.validate(messprogramm);
+        if (violation.hasErrors()) {
+            Response response = new Response(false, 604, messprogramm);
+            response.setErrors(violation.getErrors());
+            response.setWarnings(violation.getWarnings());
+            return response;
+        }
+
         messprogramm.setLetzteAenderung(new Timestamp(new Date().getTime()));
         if (messprogramm.getUmwId() == null || messprogramm.getUmwId().equals("")) {
             messprogramm = factory.findUmweltId(messprogramm);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/validation/MessprogrammValidator.java	Mon Jun 27 17:04:02 2016 +0200
@@ -0,0 +1,54 @@
+/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+package de.intevation.lada.validation;
+
+import javax.enterprise.context.ApplicationScoped;
+import javax.enterprise.inject.Instance;
+import javax.inject.Inject;
+
+import de.intevation.lada.model.land.Messprogramm;
+import de.intevation.lada.validation.annotation.ValidationConfig;
+import de.intevation.lada.validation.annotation.ValidationRule;
+import de.intevation.lada.validation.rules.Rule;
+
+/**
+ * Validation for Messprogramm objects.
+ *
+ * Instantiates the set of rules for Messprogramm objects
+ * and uses these rules to validate the object.
+ *
+ */
+@ValidationConfig(type="Messprogramm")
+@ApplicationScoped
+public class MessprogrammValidator implements Validator {
+
+    @Inject
+    @ValidationRule("Messprogramm")
+    private Instance<Rule> rules;
+
+    @Override
+    public Violation validate(Object object) {
+        Violation violations = new Violation();
+        if (!(object instanceof Messprogramm)) {
+            violations.addError("messprogramm", 602);
+            return violations;
+        }
+        for(Rule rule: rules) {
+            Violation result = rule.execute(object);
+            if (result != null) {
+                if (result.hasWarnings()) {
+                    violations.addWarnings(result.getWarnings());
+                }
+                if (result.hasErrors()) {
+                    violations.addErrors(result.getErrors());
+                }
+            }
+        }
+        return violations;
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/validation/rules/messprogramm/HasAllMandatory.java	Mon Jun 27 17:04:02 2016 +0200
@@ -0,0 +1,50 @@
+/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+package de.intevation.lada.validation.rules.messprogramm;
+
+import de.intevation.lada.model.land.Messprogramm;
+import de.intevation.lada.validation.Violation;
+import de.intevation.lada.validation.annotation.ValidationRule;
+import de.intevation.lada.validation.rules.Rule;
+
+/**
+ * Validation rule for Messprogramm.
+ * Validates if the Messprogramm has Datenbasis.
+ */
+@ValidationRule("Messprogramm")
+public class HasAllMandatory implements Rule {
+
+    @Override
+    public Violation execute(Object object) {
+        Messprogramm messprogramm = (Messprogramm)object;
+        Violation violation = new Violation();
+
+        if (messprogramm.getNetzbetreiberId() == null
+            | "".equals(messprogramm.getNetzbetreiberId())) {
+            violation.addError("netzbetreiberId", 631);
+        }
+        if (messprogramm.getMstId() == null
+            | "".equals(messprogramm.getMstId())) {
+            violation.addError("mstlabor", 631);
+        }
+        if (messprogramm.getLaborMstId() == null
+            | "".equals(messprogramm.getLaborMstId())) {
+            violation.addError("mstlabor", 631);
+        }
+        if (messprogramm.getDatenbasisId() == null) {
+            violation.addError("datenbasisId", 631);
+        }
+        if (messprogramm.getProbenartId() == null) {
+            violation.addError("probenartId", 631);
+        }
+
+        return violation.hasErrors()
+            ? violation
+            :null;
+    }
+}