--- a/gnv-artifacts/Changelog	Mon Sep 28 14:35:35 2009 +0000
+++ b/gnv-artifacts/Changelog	Tue Sep 29 09:50:25 2009 +0000
@@ -1,3 +1,14 @@
+2009-09-29  Tim Englich  <tim.englich@intevation.de>
+
+    * pom.xml Edited: 
+      Added the dependency to Apache-Commons-Validator Version 1.3.1 which is
+      used for the InputValoue-validation.
+    * src/main/java/de/intevation/gnv/utils/InputValidator.java Added : 
+      An InputValidator for Validating InputValues.
+      At this Moment only Integer, String and Date is supported.
+    * src/main/java/de/intevation/gnv/transition/TransitionBase.java (putInputData) Edited:
+      Add the InputValidator to validate the incomming Values from the Clients.
+       
 2009-09-28  Tim Englich  <tim.englich@intevation.de>
 
     * src/main/java/de/intevation/gnv/chart/ChartFactory.java (createTimeSeries) Edited:

--- a/gnv-artifacts/pom.xml	Mon Sep 28 14:35:35 2009 +0000
+++ b/gnv-artifacts/pom.xml	Tue Sep 29 09:50:25 2009 +0000
@@ -67,6 +67,10 @@
       <artifactId>ehcache</artifactId>
       <version>1.6.2</version>
     </dependency>
-    
+    <dependency>
+        <groupId>commons-validator</groupId>
+        <artifactId>commons-validator</artifactId>
+        <version>1.3.1</version>
+    </dependency>
   </dependencies>
 </project>

--- a/gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionBase.java	Mon Sep 28 14:35:35 2009 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/transition/TransitionBase.java	Tue Sep 29 09:50:25 2009 +0000
@@ -35,6 +35,7 @@
 import de.intevation.gnv.transition.describedata.SingleValueDescribeData;
 import de.intevation.gnv.transition.exception.TransitionException;
 import de.intevation.gnv.utils.ArtifactXMLUtilities;
+import de.intevation.gnv.utils.InputValidator;
 
 /**
  * @author Tim Englich <tim.englich@intevation.de>
@@ -184,6 +185,7 @@
         log.debug("TransitionBase.putInputData");
         if (inputData != null){
             Iterator<InputData> it = inputData.iterator();
+            InputValidator iv = new InputValidator();
             while(it.hasNext()){
                 InputData tmpItem = it.next();
                 InputValue inputValue = this.inputValues.get(tmpItem.getName());
@@ -191,8 +193,15 @@
                     if (this.inputData == null){
                         this.inputData = new HashMap<String,InputData>(inputData.size());
                     }
-                    this.setSelection(tmpItem);
-                    this.inputData.put(tmpItem.getName(),tmpItem);
+                    boolean valid = iv.isInputValid(tmpItem.getValue(), inputValue.getType());
+                    if (valid){
+                        this.setSelection(tmpItem);
+                        this.inputData.put(tmpItem.getName(),tmpItem);
+                    }else{
+                        String errMsg = "Wrong input for "+tmpItem.getValue()+"is not an "+inputValue.getType()+" Value.";
+                        log.warn(errMsg);
+                        throw new TransitionException(errMsg);
+                    }
                     
                 }else{
                     String errMsg = "No Inputvalue given for Inputdata "+ tmpItem.getName();

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/utils/InputValidator.java	Tue Sep 29 09:50:25 2009 +0000
@@ -0,0 +1,53 @@
+/**
+ *
+ */
+package de.intevation.gnv.utils;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.gnv.geobackend.util.DateUtils;
+
+/**
+ * @author Tim Englich <tim.englich@intevation.de>
+ *
+ */
+public class InputValidator {
+    /**
+     * the logger, used to log exceptions and additonaly information
+     */
+    private static Logger log = Logger.getLogger(InputValidator.class);
+
+    /**
+     * Constructor
+     */
+    public InputValidator() {
+        super();
+    }
+    
+    public boolean isInputValid(String input, String type){
+        log.debug("InputValidator.isInputValid " + input+ " "+type);
+        boolean returnValue = false;
+        String[] values = input.split(",");
+        for (int i = 0; i < values.length; i++){
+            boolean valid;
+            if ("Integer".equalsIgnoreCase(type)){
+                valid = org.apache.commons.validator.GenericValidator.isInt(values[i]);
+            }else if ("String".equalsIgnoreCase(type)){
+                valid = org.apache.commons.validator.GenericValidator.matchRegexp(values[i], "[a-zA-Z0-9]");
+            }else if ("Date".equalsIgnoreCase(type)){
+                valid = org.apache.commons.validator.GenericValidator.isDate(values[i], DateUtils.DATE_PATTERN, true);
+            }else{
+                valid = false;
+            }
+            if (!valid){
+                returnValue =  false;
+                break;
+            }else{
+                returnValue = true;
+            }
+        }
+        log.debug("Is valid? "+returnValue);
+        return returnValue;
+    }
+
+}