Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java @ 4215:c179cd02177d
Logout the current user
Add code to the logout button to remove the current user from the session and to
redirect the browser window to the login page.
Part of flys/issue916 (Logout: "Abmelden" Knopf mit Funktion belegen)
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 23 Oct 2012 09:59:16 +0200 |
parents | cd068ff7966d |
children | 7a94d5e7fc3d |
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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()); theme.appendChild(field); } themes.appendChild(theme); } styles.appendChild(action); return styles; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :