raimund@1285: package de.intevation.flys.client.server;
raimund@1285: 
raimund@1285: import org.w3c.dom.Document;
raimund@1285: import org.w3c.dom.Element;
raimund@1285: import org.w3c.dom.NodeList;
raimund@1285: 
raimund@1285: import com.google.gwt.user.server.rpc.RemoteServiceServlet;
raimund@1285: 
raimund@1285: import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
raimund@1285: import de.intevation.artifacts.httpclient.http.HttpClient;
raimund@1285: import de.intevation.artifacts.httpclient.http.HttpClientImpl;
raimund@1285: import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
raimund@1285: 
raimund@1285: import de.intevation.artifacts.common.ArtifactNamespaceContext;
raimund@1285: import de.intevation.artifacts.common.utils.XMLUtils;
raimund@1285: 
raimund@1285: import de.intevation.flys.client.shared.exceptions.ServerException;
raimund@1285: import de.intevation.flys.client.client.services.CollectionItemAttributeService;
raimund@1285: 
raimund@1285: import de.intevation.flys.client.shared.model.Collection;
raimund@1285: import de.intevation.flys.client.shared.model.Artifact;
raimund@1285: import de.intevation.flys.client.shared.model.CollectionItemAttribute;
raimund@1285: import de.intevation.flys.client.shared.model.Style;
raimund@1285: import de.intevation.flys.client.shared.model.StyleSetting;
raimund@1285: 
raimund@1285: 
raimund@1285: /**
raimund@1285:  *
raimund@1285:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@1285:  */
raimund@1285: public class CollectionItemAttributeServiceImpl
raimund@1285: extends      RemoteServiceServlet
raimund@1285: implements   CollectionItemAttributeService
raimund@1285: {
raimund@1285:     public static final String XPATH_RESULT = "/art:result/text()";
raimund@1285: 
raimund@1285:     public static final String OPERATION_FAILURE = "FAILED";
raimund@1285: 
raimund@1285: 
raimund@1285:     public CollectionItemAttribute getCollectionItemAttribute(
raimund@1285:         Collection collection,
raimund@1285:         String artifact,
raimund@1285:         String url,
raimund@1285:         String locale)
raimund@1285:     throws ServerException
raimund@1285:     {
raimund@1285:         System.out.println(
raimund@1285:             "GetCollectionItemAttributeServiceImpl.getCollectionItemAttribute");
raimund@1285: 
raimund@1285:         Document requestDoc = XMLUtils.newDocument();
raimund@1285: 
raimund@1285:         XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
raimund@1285:                 requestDoc,
raimund@1285:                 ArtifactNamespaceContext.NAMESPACE_URI,
raimund@1285:                 ArtifactNamespaceContext.NAMESPACE_PREFIX);
raimund@1285: 
raimund@1285:         Element action = ec.create("action");
raimund@1285: 
raimund@1285:         Element type = ec.create("type");
raimund@1285:         ec.addAttr(type, "name", "getitemattribute", false);
raimund@1285: 
raimund@1285:         Element art = ec.create("artifact");
raimund@1285:         ec.addAttr(art, "uuid", artifact, false);
raimund@1285: 
raimund@1285:         type.appendChild(art);
raimund@1285:         action.appendChild(type);
raimund@1285:         requestDoc.appendChild (action);
raimund@1285: 
raimund@1285:         try {
raimund@1285:             HttpClient client = new HttpClientImpl(url, locale);
raimund@1285:             Document res = (Document) client.doCollectionAction(
raimund@1285:                 requestDoc,
raimund@1285:                 collection.identifier(),
raimund@1285:                 new DocumentResponseHandler());
raimund@1285: 
raimund@1285:             return readXML (res);
raimund@1285:         }
raimund@1285:         catch (ConnectionException ce) {
raimund@1285:             System.err.println(ce.getLocalizedMessage());
raimund@1285:         }
raimund@1285:         throw new ServerException("");
raimund@1285:     }
raimund@1285: 
raimund@1285:     protected CollectionItemAttribute readXML (Document doc) {
raimund@1285:         CollectionItemAttribute cia = new CollectionItemAttribute();
raimund@1285: 
raimund@1285:         Element root = doc.getDocumentElement();
raimund@1285:         NodeList themes = root.getElementsByTagName("art:themes");
raimund@1285: 
raimund@1285:         if (themes.getLength() != 1) {
raimund@1285:             return null;
raimund@1285:         }
raimund@1285: 
raimund@1285:         Element e = (Element) themes.item(0);
raimund@1285:         NodeList items = e.getElementsByTagName("theme");
raimund@1285: 
raimund@1285:         for (int i = 0; i < items.getLength(); i++) {
raimund@1285:             cia.appendStyle(getStyle ((Element) items.item(i)));
raimund@1285:         }
raimund@1285: 
raimund@1285:         return cia;
raimund@1285:     }
raimund@1285: 
raimund@1285: 
raimund@1285:     protected Style getStyle (Element element) {
raimund@1285: 
raimund@1285:         if (!element.getTagName().equals("theme")) {
raimund@1285:             return null;
raimund@1285:         }
raimund@1285: 
raimund@1285:         NodeList list = element.getElementsByTagName("field");
raimund@1285:         Style style = new Style();
raimund@1285:         style.setName (element.getAttribute("name"));
raimund@1285:         for(int i = 0; i < list.getLength(); i++) {
raimund@1285:             Element e = (Element) list.item(i);
raimund@1285:             StyleSetting set = new StyleSetting (
raimund@1285:                 e.getAttribute("name"),
raimund@1285:                 e.getAttribute("default"),
raimund@1285:                 e.getAttribute("display"),
raimund@1285:                 e.getAttribute("hints"),
raimund@1285:                 e.getAttribute("type"));
raimund@1285:             style.appendStyleSetting(set);
raimund@1285:         }
raimund@1285:         return style;
raimund@1285:     }
raimund@1285: }
raimund@1285: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :