bjoern@3515: package de.intevation.flys.client.server; bjoern@3515: christian@3540: import de.intevation.artifacts.common.ArtifactNamespaceContext; christian@3540: import de.intevation.artifacts.common.utils.XMLUtils; christian@3540: import de.intevation.artifacts.httpclient.exceptions.ConnectionException; christian@3540: import de.intevation.artifacts.httpclient.http.HttpClient; christian@3540: import de.intevation.artifacts.httpclient.http.HttpClientImpl; christian@3540: import de.intevation.flys.client.client.services.ModuleService; christian@3540: import de.intevation.flys.client.client.services.RemoteServiceServlet; christian@3540: import de.intevation.flys.client.server.auth.User; christian@3540: import de.intevation.flys.client.shared.exceptions.ServerException; christian@3540: import de.intevation.flys.client.shared.model.DefaultModule; christian@3540: import de.intevation.flys.client.shared.model.Module; christian@3540: bjoern@3515: import java.util.ArrayList; bjoern@3515: import java.util.List; bjoern@3515: bjoern@3529: import javax.xml.xpath.XPathConstants; bjoern@3529: bjoern@3515: import org.apache.log4j.Logger; bjoern@3529: import org.w3c.dom.Document; bjoern@3529: import org.w3c.dom.Element; bjoern@3529: import org.w3c.dom.NodeList; bjoern@3529: bjoern@3515: public class ModuleServiceImpl bjoern@3515: extends RemoteServiceServlet bjoern@3515: implements ModuleService bjoern@3515: { bjoern@3515: private static final Logger logger = bjoern@3515: Logger.getLogger(ModuleServiceImpl.class); bjoern@3515: bjoern@3529: public static final String XPATH_MODULES = "/art:modules/art:module"; bjoern@3515: bjoern@3529: public static final String ERROR_NO_MODULES_FOUND = bjoern@3529: "error_no_module_found"; bjoern@3515: bjoern@3515: @Override bjoern@3529: public Module[] list(String locale) throws ServerException { bjoern@3515: User user = this.getUser(); bjoern@3515: bjoern@3529: logger.info("ModuleService.list"); bjoern@3515: bjoern@3529: String url = getServletContext().getInitParameter("server-url"); bjoern@3529: bjoern@3529: // create dummy xml bjoern@3529: Document doc = XMLUtils.newDocument(); bjoern@3529: bjoern@3529: XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( bjoern@3529: doc, bjoern@3529: ArtifactNamespaceContext.NAMESPACE_URI, bjoern@3529: ArtifactNamespaceContext.NAMESPACE_PREFIX); bjoern@3529: bjoern@3529: Element dummy = ec.create("modules"); bjoern@3529: doc.appendChild(dummy); bjoern@3529: bjoern@3529: HttpClient client = new HttpClientImpl(url, locale); bjoern@3529: try { bjoern@3529: Document result = client.callService(url, "modules", doc); bjoern@3529: bjoern@3529: NodeList list = (NodeList) XMLUtils.xpath( bjoern@3529: result, bjoern@3529: XPATH_MODULES, bjoern@3529: XPathConstants.NODESET, bjoern@3529: ArtifactNamespaceContext.INSTANCE); bjoern@3529: bjoern@3529: if (list == null) { bjoern@3529: logger.warn("No modules found."); bjoern@3529: bjoern@3529: throw new ServerException(ERROR_NO_MODULES_FOUND); bjoern@3515: } bjoern@3529: bjoern@3529: int num = list.getLength(); bjoern@3529: bjoern@3529: List modules = new ArrayList(list.getLength()); bjoern@3529: for(int i =0; i < num; i++) { bjoern@3529: Element em = (Element)list.item(i); bjoern@3529: String name = em.getAttributeNS( bjoern@3529: ArtifactNamespaceContext.NAMESPACE_URI, "name"); bjoern@3529: String localname = em.getAttributeNS( bjoern@3529: ArtifactNamespaceContext.NAMESPACE_URI, "localname"); bjoern@3529: String strselected = em.getAttributeNS( bjoern@3529: ArtifactNamespaceContext.NAMESPACE_URI, "selected"); bjoern@3529: boolean selected = strselected == null ? false : bjoern@3529: strselected.equalsIgnoreCase("true"); bjoern@3529: logger.debug("Found module " + name + " " + localname); bjoern@3529: if (user == null || user.canUseFeature("module:" + name)) { bjoern@3529: modules.add(new DefaultModule(name, localname, selected)); bjoern@3529: } bjoern@3529: } bjoern@3529: return modules.toArray(new Module[modules.size()]); bjoern@3515: } bjoern@3529: catch (ConnectionException ce) { bjoern@3529: logger.error(ce, ce); bjoern@3529: } bjoern@3529: bjoern@3529: throw new ServerException(ERROR_NO_MODULES_FOUND); bjoern@3515: } bjoern@3515: } bjoern@3515: bjoern@3515: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 tw=80 :