Mercurial > dive4elements > river
diff flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java @ 1285:0f3b19df1880
Added new service and model for collection item attributes.
flys-client/trunk@2871 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Fri, 30 Sep 2011 10:57:56 +0000 |
parents | |
children | bdc270ea6195 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java Fri Sep 30 10:57:56 2011 +0000 @@ -0,0 +1,127 @@ +package de.intevation.flys.client.server; + +import org.w3c.dom.Document; +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; + +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.Artifact; +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 +{ + public static final String XPATH_RESULT = "/art:result/text()"; + + public static final String OPERATION_FAILURE = "FAILED"; + + + public CollectionItemAttribute getCollectionItemAttribute( + Collection collection, + String artifact, + String url, + String locale) + throws ServerException + { + System.out.println( + "GetCollectionItemAttributeServiceImpl.getCollectionItemAttribute"); + + 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); + } + catch (ConnectionException ce) { + System.err.println(ce.getLocalizedMessage()); + } + throw new ServerException(""); + } + + protected CollectionItemAttribute readXML (Document doc) { + CollectionItemAttribute cia = new CollectionItemAttribute(); + + Element root = doc.getDocumentElement(); + NodeList themes = root.getElementsByTagName("art:themes"); + + if (themes.getLength() != 1) { + return null; + } + + Element e = (Element) themes.item(0); + NodeList items = e.getElementsByTagName("theme"); + + for (int i = 0; i < items.getLength(); i++) { + cia.appendStyle(getStyle ((Element) items.item(i))); + } + + return cia; + } + + + protected Style getStyle (Element element) { + + if (!element.getTagName().equals("theme")) { + return null; + } + + NodeList list = element.getElementsByTagName("field"); + Style style = new Style(); + style.setName (element.getAttribute("name")); + for(int i = 0; i < list.getLength(); i++) { + Element e = (Element) list.item(i); + StyleSetting set = new StyleSetting ( + e.getAttribute("name"), + e.getAttribute("default"), + e.getAttribute("display"), + e.getAttribute("hints"), + e.getAttribute("type")); + style.appendStyleSetting(set); + } + return style; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :