--- /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;
+    }
+
+}