# HG changeset patch
# User Ingo Weinzierl <ingo.weinzierl@intevation.de>
# Date 1299764429 0
# Node ID bf84bcd4e11bb5d865049d852bd27a8fd8035449
# Parent  e29658e2623a29aa759cd6f38027e7f46dba8d82
Parse static data from DESCRIBE.

flys-client/trunk@1454 c6561f87-3c4e-4783-a992-168aeb5c3f6f

diff -r e29658e2623a -r bf84bcd4e11b flys-client/ChangeLog
--- a/flys-client/ChangeLog	Thu Mar 10 13:38:46 2011 +0000
+++ b/flys-client/ChangeLog	Thu Mar 10 13:40:29 2011 +0000
@@ -1,3 +1,9 @@
+2011-03-10  Ingo Weinzierl <ingo@intevation.de>
+
+	* src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java:
+	  Parse the static data from DESCRIBE document and put it into the
+	  ArtifactDescription.
+
 2011-03-10  Ingo Weinzierl <ingo@intevation.de>
 
 	* src/main/java/de/intevation/flys/client/client/event/HasParameterChangeHandler.java,
diff -r e29658e2623a -r bf84bcd4e11b flys-client/src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java
--- a/flys-client/src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java	Thu Mar 10 13:38:46 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java	Thu Mar 10 13:40:29 2011 +0000
@@ -37,6 +37,10 @@
 
     public static final String XPATH_REACHABLE_STATE = "art:state";
 
+    public static final String XPATH_STATIC_DATA_NODE = "art:data";
+
+    public static final String XPATH_STATIC_ITEM_NODE = "art:item";
+
     /**
      * This method creates the {@link ArtifactDescription} of the DESCRIBE
      * document <i>doc</i>.
@@ -60,11 +64,11 @@
             ArtifactNamespaceContext.INSTANCE);
         System.out.println("Current state name: " + state);
 
-        Data currentData = extractCurrentData(dynamicNode);
-        String[] states  = extractReachableStates(reachable);
+        Data     currentData = extractCurrentData(dynamicNode);
+        Data[]   old         = extractOldData(staticNode);
+        String[] states      = extractReachableStates(reachable);
 
-        // TODO parse the static ui part
-        return new DefaultArtifactDescription(null, currentData, state, states);
+        return new DefaultArtifactDescription(old, currentData, state, states);
     }
 
 
@@ -125,6 +129,87 @@
 
 
     /**
+     * This method extracts the data objects from the data node of the static ui
+     * part of the DESCRIBE document.
+     *
+     * @param staticNode The static ui node of the DESCRIBE.
+     *
+     * @return the Data objects.
+     */
+    protected static Data[] extractOldData(Node staticNode) {
+        System.out.println("ArtifactDescriptionFactory - extractOldData()");
+
+        NodeList dataNodes = (NodeList) XMLUtils.xpath(
+            staticNode,
+            XPATH_STATIC_DATA_NODE,
+            XPathConstants.NODESET,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (dataNodes == null || dataNodes.getLength() == 0) {
+            System.out.println("No old items found.");
+            return null;
+        }
+
+        int count = dataNodes.getLength();
+
+        Data[] data = new Data[count];
+
+        for (int i = 0; i < count; i++) {
+            Node tmp = dataNodes.item(i);
+
+            String name = XMLUtils.xpathString(
+                tmp, "@art:name", ArtifactNamespaceContext.INSTANCE);
+            String type = XMLUtils.xpathString(
+                tmp, "@art:type", ArtifactNamespaceContext.INSTANCE);
+
+            DataItem[] items = extractOldDataItems(tmp);
+
+            data[i] = new DefaultData(name, name, type, items, null);
+        }
+
+        return data;
+    }
+
+
+    /**
+     * This method extracts the data items from the data nodes that are placed
+     * in the static ui part of the DESCRIBE document.
+     *
+     * @param dataNode A data node that contains items.
+     *
+     * @return a list of DataItems.
+     */
+    protected static DataItem[] extractOldDataItems(Node dataNode) {
+        NodeList itemList = (NodeList) XMLUtils.xpath(
+            dataNode,
+            XPATH_STATIC_ITEM_NODE,
+            XPathConstants.NODESET,
+            ArtifactNamespaceContext.INSTANCE);
+
+        if (itemList == null || itemList.getLength() == 0) {
+            System.out.println("No old data items found.");
+            return null;
+        }
+
+        int count = itemList.getLength();
+
+        DataItem[] items = new DataItem[count];
+
+        for (int i = 0; i < count; i++) {
+            Node tmp = itemList.item(i);
+
+            String value = XMLUtils.xpathString(
+                tmp, "@art:value", ArtifactNamespaceContext.INSTANCE);
+
+            // TODO extract the human readable value (description) from node
+            items[i] = new DefaultDataItem(value, value, value);
+        }
+
+        return items;
+    }
+
+
+    /**
      * This method extracts the UIProvider specified by the data node.
      *
      * @param data The data node.