--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gnv-artifacts/src/main/java/de/intevation/gnv/transition/SingleInputTransition.java	Mon Sep 21 11:50:47 2009 +0000
@@ -0,0 +1,61 @@
+/**
+ *
+ */
+package de.intevation.gnv.transition;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.apache.log4j.Logger;
+
+import de.intevation.gnv.geobackend.base.Result;
+import de.intevation.gnv.transition.describedata.DefaultSingleValueDescribeData;
+
+/**
+ * @author Tim Englich <tim.englich@intevation.de>
+ *
+ */
+public class SingleInputTransition extends TransitionBase {
+
+    /**
+     * the logger, used to log exceptions and additonaly information
+     */
+    private static Logger log = Logger.getLogger(SingleInputTransition.class);
+    
+    /**
+     *
+     */
+    private static final long serialVersionUID = -6169497306324917318L;
+
+    /**
+     * Constructor
+     */
+    public SingleInputTransition() {
+    }
+
+    /**
+     * @see de.intevation.gnv.transition.Transition#validate()
+     */
+    public boolean validate() {
+        return true;
+    }
+
+    @Override
+    protected void purifyResult(Collection<Result> result) {
+        log.debug("SingleInputTransition.purifyResult");
+        if (this.descibeData == null){
+            this.descibeData = new ArrayList<Object>();
+        }
+        String value = null;
+        if (result != null && result.size() == 1){
+            Result tmpItem = result.iterator().next();
+            value = tmpItem.getObject("MAX").toString();
+        }else{
+            value = "";
+        }
+        
+        this.descibeData.add(new DefaultSingleValueDescribeData(this.dataName, value));
+    }
+    
+
+}