Mercurial > dive4elements > river
view gwt-client/src/main/java/org/dive4elements/river/client/server/RiverServiceImpl.java @ 5948:d7b9b3e3c61a
Make instantiation of saml.User easier.
Most of the parameters of the constructor can be taken from the
Assertion object, so there's no reason to pass them separately.
Also, trying to check the validity dates isn't useful for the single
sign on case. See comments in the hasExpired method.
author | Bernhard Herzog <bh@intevation.de> |
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date | Wed, 08 May 2013 17:56:14 +0200 |
parents | 172338b1407f |
children | ea9eef426962 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.client.server; import org.dive4elements.artifacts.common.ArtifactNamespaceContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; import org.dive4elements.artifacts.httpclient.http.HttpClient; import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; import org.dive4elements.river.client.client.services.RiverService; import org.dive4elements.river.client.server.auth.User; import org.dive4elements.river.client.shared.exceptions.ServerException; import org.dive4elements.river.client.shared.model.DefaultRiver; import org.dive4elements.river.client.shared.model.River; import java.util.ArrayList; import java.util.List; import javax.xml.xpath.XPathConstants; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.NodeList; /** * This interface provides a method to list the supported rivers of the artifact * server. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class RiverServiceImpl extends RemoteServiceServlet implements RiverService { /** Private logger. */ private static final Logger logger = Logger.getLogger(RiverServiceImpl.class); /** The XPath string that points to the rivers in the resulting document.*/ public static final String XPATH_RIVERS = "/art:rivers/art:river"; /** The error message key that is thrown if an error occured while reading * the supported rivers from server.*/ public static final String ERROR_NO_RIVERS_FOUND = "error_no_rivers_found"; /** Get river list. */ @Override public River[] list(String locale) throws ServerException { String url = getServletContext().getInitParameter("server-url"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); doc.appendChild(ec.create("action")); HttpClient client = new HttpClientImpl(url, locale); try { Document res = client.callService(url, "rivers", doc); NodeList rivers = (NodeList) XMLUtils.xpath( res, XPATH_RIVERS, XPathConstants.NODESET, ArtifactNamespaceContext.INSTANCE); if (rivers == null || rivers.getLength() == 0) { throw new ServerException(ERROR_NO_RIVERS_FOUND); } int count = rivers.getLength(); List<River> theRivers = new ArrayList<River>(count); User user = this.getUser(); for (int i = 0; i < count; i++) { Element tmp = (Element)rivers.item(i); String name = tmp.getAttributeNS( ArtifactNamespaceContext.NAMESPACE_URI, "name"); if (name.length() > 0 && (user == null || user.canUseFeature("river:" + name))) { theRivers.add(new DefaultRiver(name)); } } return theRivers.toArray(new River[theRivers.size()]); } catch (ConnectionException ce) { logger.error(ce, ce); } throw new ServerException(ERROR_NO_RIVERS_FOUND); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :