Mercurial > dive4elements > river
view gwt-client/src/main/java/org/dive4elements/river/client/server/CrossSectionKMServiceImpl.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 java.util.ArrayList; import java.util.HashMap; import java.util.Map; import javax.xml.xpath.XPathConstants; 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 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.shared.exceptions.ServerException; import org.dive4elements.river.client.client.services.CrossSectionKMService; /** * Interact with not documented service. */ public class CrossSectionKMServiceImpl extends RemoteServiceServlet implements CrossSectionKMService { private static final Logger logger = Logger.getLogger(CrossSectionKMServiceImpl.class); /** XPath that points to the found cross section measurements. */ public static final String XPATH_CROSS_SECTIONS = "/cross-sections/cross-section"; /** The error message key that is thrown if an error occured while getting * new data. */ public static final String ERROR_GET_CROSS_SECTION = "error_get_cross_section"; /** * Fetches positions (kms) at which measurements for given cross-sections * exists. * * @param data Map of Integer (cross-section-id) to km. * */ public Map<Integer,Double[]> getCrossSectionKMs( String locale, Map<Integer, Double> data, int nNeighbours) throws ServerException { logger.info("CrossSectionKMService.getCrossSectionKMs"); String url = getServletContext().getInitParameter("server-url"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); Element crossSection = ec.create("cross-sections"); doc.appendChild(crossSection); for(Map.Entry<Integer, Double> oneCrossSection : data.entrySet()) { Element cs = ec.create("cross-section"); cs.setAttribute("id", oneCrossSection.getKey().toString()); cs.setAttribute("km", oneCrossSection.getValue().toString()); cs.setAttribute("n", Integer.valueOf(nNeighbours).toString()); crossSection.appendChild(cs); } HttpClient client = new HttpClientImpl(url, locale); logger.debug("Created httpclient"); try { // Document should contain: // crosse-sections: // attribute(id), attribute(km) attribute(n) Document response = client.callService(url, "cross-section-km", doc); //<cross-sections><cross-section id="1"><line km="19.5" line-id="189"/>... NodeList nodeList = (NodeList) XMLUtils.xpath(response, XPATH_CROSS_SECTIONS, XPathConstants.NODESET); int num = nodeList.getLength(); Map<Integer, Double[]> result = new HashMap<Integer, Double[]>(); try{ for (int i = 0; i < num; i++) { Element csElement = (Element) nodeList.item(i); int idx = Integer.parseInt(csElement.getAttribute("id")); ArrayList<Double> kms = new ArrayList<Double>(); NodeList lineNodes = csElement.getElementsByTagName("line"); int numLines = lineNodes.getLength(); for (int k = 0; k < numLines; k++) { Element line = (Element) lineNodes.item(k); double d = Double.parseDouble(line.getAttribute("km")); kms.add(d); } Double[] doubles = new Double[kms.size()]; kms.toArray(doubles); result.put(Integer.valueOf(idx), doubles); } } catch(NumberFormatException nfe) { logger.error("Response was not parsable"); } return result; } catch (ConnectionException ce) { logger.error("ConnectionExsp", ce); } logger.warn("CrossSectionKMService.getCrossSectionKMS() - FAILED"); throw new ServerException(ERROR_GET_CROSS_SECTION); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :