--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/server/CollectionItemAttributeServiceImpl.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,202 @@
+package de.intevation.flys.client.server;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+
+import org.apache.log4j.Logger;
+
+import com.google.gwt.user.server.rpc.RemoteServiceServlet;
+
+import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
+import de.intevation.artifacts.httpclient.http.HttpClient;
+import de.intevation.artifacts.httpclient.http.HttpClientImpl;
+import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
+
+import de.intevation.artifacts.common.ArtifactNamespaceContext;
+import de.intevation.artifacts.common.utils.XMLUtils;
+
+import de.intevation.flys.client.shared.exceptions.ServerException;
+import de.intevation.flys.client.client.services.CollectionItemAttributeService;
+
+import de.intevation.flys.client.shared.model.Collection;
+import de.intevation.flys.client.shared.model.CollectionItemAttribute;
+import de.intevation.flys.client.shared.model.Style;
+import de.intevation.flys.client.shared.model.StyleSetting;
+
+
+/**
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class CollectionItemAttributeServiceImpl
+extends      RemoteServiceServlet
+implements   CollectionItemAttributeService
+{
+    private static final Logger logger =
+        Logger.getLogger(CollectionItemAttributeServiceImpl.class);
+
+
+    public static final String XPATH_RESULT = "/art:result/text()";
+
+    public static final String OPERATION_FAILURE = "FAILED";
+
+    public static final String ERROR_NO_STYLES_FOUND =
+        "error_no_theme_styles_found";
+
+
+    public CollectionItemAttribute getCollectionItemAttribute(
+        Collection collection,
+        String artifact,
+        String locale)
+    throws ServerException
+    {
+        logger.info(
+            "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
+
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Document requestDoc = XMLUtils.newDocument();
+
+        XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
+            requestDoc,
+            ArtifactNamespaceContext.NAMESPACE_URI,
+            ArtifactNamespaceContext.NAMESPACE_PREFIX);
+
+        Element action = ec.create("action");
+
+        Element type = ec.create("type");
+        ec.addAttr(type, "name", "getitemattribute", false);
+
+        Element art = ec.create("artifact");
+        ec.addAttr(art, "uuid", artifact, false);
+
+        type.appendChild(art);
+        action.appendChild(type);
+        requestDoc.appendChild (action);
+
+        try {
+            HttpClient client = new HttpClientImpl(url, locale);
+            Document res = (Document) client.doCollectionAction(
+                requestDoc,
+                collection.identifier(),
+                new DocumentResponseHandler());
+            return readXML (res, artifact);
+        }
+        catch (ConnectionException ce) {
+            logger.error(ce, ce);
+        }
+
+        throw new ServerException(ERROR_NO_STYLES_FOUND);
+    }
+
+
+    public void setCollectionItemAttribute(
+        Collection collection,
+        String artifact,
+        String locale,
+        CollectionItemAttribute attributes)
+    throws ServerException
+    {
+        logger.info(
+            "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
+
+        String url  = getServletContext().getInitParameter("server-url");
+
+        Document doc = writeXML(attributes, artifact);
+
+        try {
+            HttpClient client = new HttpClientImpl(url, locale);
+            Document res = (Document) client.doCollectionAction(
+                doc,
+                collection.identifier(),
+                new DocumentResponseHandler());
+
+            return;
+        }
+        catch (ConnectionException ce) {
+            logger.error(ce, ce);
+            throw new ServerException(ce.getLocalizedMessage());
+        }
+    }
+
+    protected CollectionItemAttribute readXML(Document doc, String artifact)
+    throws    ServerException
+    {
+        CollectionItemAttribute cia = new CollectionItemAttribute();
+        cia.setArtifact(artifact);
+
+        Element root = doc.getDocumentElement();
+        NodeList themes = root.getElementsByTagName("art:themes");
+
+        if (themes == null || themes.getLength() == 0) {
+            throw new ServerException(ERROR_NO_STYLES_FOUND);
+        }
+
+        Element e = (Element) themes.item(0);
+        NodeList items = e.getElementsByTagName("theme");
+
+        for (int i = 0; i < items.getLength(); i++) {
+            Style s = StyleHelper.getStyle ((Element) items.item(i));
+            if(s == null) {
+                throw new ServerException(ERROR_NO_STYLES_FOUND);
+            }
+            else {
+                cia.appendStyle(s);
+            }
+        }
+
+        return cia;
+    }
+
+
+    protected Document writeXML (
+        CollectionItemAttribute attributes,
+        String artifact)
+    {
+        Document styles = XMLUtils.newDocument();
+
+        XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
+                styles,
+                ArtifactNamespaceContext.NAMESPACE_URI,
+                ArtifactNamespaceContext.NAMESPACE_PREFIX);
+        Element action = ec.create("action");
+        Element type = ec.create("type");
+        type.setAttribute("name", "setitemattribute");
+        Element art = ec.create("artifact");
+        art.setAttribute("uuid", artifact);
+        Element attr = ec.create("attribute");
+        Element themes = ec.create("themes");
+        action.appendChild(type);
+        type.appendChild(art);
+        art.appendChild(attr);
+        attr.appendChild(themes);
+
+        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
+                styles,
+                "",
+                "");
+
+        for (int i = 0; i < attributes.getNumStyles(); i++) {
+            Style s = attributes.getStyle(i);
+            Element theme = creator.create("theme");
+            theme.setAttribute("name", s.getName());
+            theme.setAttribute("facet", s.getFacet());
+            theme.setAttribute("index", String.valueOf(s.getIndex()));
+            for (int j = 0; j < s.getNumSettings(); j++) {
+                StyleSetting set = s.getSetting(j);
+                Element field = creator.create("field");
+                field.setAttribute("name", set.getName());
+                field.setAttribute("display", set.getDisplayName());
+                field.setAttribute("default", set.getDefaultValue());
+                field.setAttribute("hints", set.getHints());
+                field.setAttribute("type", set.getType());
+                field.setAttribute("hidden", String.valueOf(set.isHidden()));
+                theme.appendChild(field);
+            }
+            themes.appendChild(theme);
+        }
+        styles.appendChild(action);
+        return styles;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :