--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/map/HWSContainer.java	Thu Apr 25 12:06:39 2013 +0200
@@ -0,0 +1,93 @@
+package org.dive4elements.river.artifacts.model.map;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.log4j.Logger;
+
+public class HWSContainer
+{
+    private static Logger logger = Logger.getLogger(HWSContainer.class);
+    private String river;
+    private HWS.TYPE type;
+    private List<HWS> hws;
+
+    public HWSContainer() {
+        river = null;
+        hws = new ArrayList<HWS>();
+    }
+
+    public HWSContainer(String river, HWS.TYPE type, List<HWS> hws) {
+        this.river = river;
+        this.hws = hws;
+        this.type = type;
+    }
+
+    public void setRiver(String river) {
+        this.river = river;
+    }
+
+    public String getRiver() {
+        return this.river;
+    }
+
+    public HWS.TYPE getType() {
+        return type;
+    }
+
+    public void setType(HWS.TYPE type) {
+        this.type = type;
+    }
+
+    public List<HWS> getHws() {
+        return hws;
+    }
+
+    public void addHws(HWS hws) {
+        logger.debug("add hws: " + hws.getName());
+        this.hws.add(hws);
+    }
+
+    public void addHws(List<HWS> hws) {
+        this.hws.addAll(hws);
+    }
+
+    public List<HWS> getOfficialHWS() {
+        if (hws == null || hws.size() == 0) {
+            return new ArrayList<HWS>();
+        }
+        List<HWS> results = new ArrayList<HWS>();
+        for (HWS h: hws) {
+            if (h.isOfficial()) {
+                results.add(h);
+            }
+        }
+        return results;
+    }
+
+    public List<HWS> getHws(String name) {
+        logger.debug("find: " + name + " in " + hws.size() + " elements");
+        if (hws == null || hws.size() == 0) {
+            return new ArrayList<HWS>();
+        }
+        List<HWS> results = new ArrayList<HWS>();
+        for (HWS h: hws) {
+            if (h.getName().equals(name)) {
+                results.add(h);
+            }
+        }
+        logger.debug("found: " + results.size());
+        return results;
+    }
+
+    public List<HWS> getHws(List<String> list) {
+        if (hws == null || hws.size() == 0) {
+            return new ArrayList<HWS>();
+        }
+        List<HWS> results = new ArrayList<HWS>();
+        for (String name : list) {
+            results.addAll(getHws(name));
+        }
+        return results;
+    }
+}