Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/server/ThemeListingServiceImpl.java @ 2546:2618d5de9ce4
Merged revisions 4533 via svnmerge from
svn+ssh://ingo@thoe.intevation.de/home/clients/bsh/bsh-generischer-viewer/Material/SVN/flys-client/trunk
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r4533 | ingo | 2012-05-27 12:50:38 +0000 (Sun, 27 May 2012) | 1 line
Corrected image path to add_wms.png
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flys-client/tags/2.7@4535 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Sun, 27 May 2012 12:58:01 +0000 |
parents | e75b15818435 |
children | cd068ff7966d |
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package de.intevation.flys.client.server; import java.util.Map; import java.util.HashMap; import javax.xml.xpath.XPathConstants; import org.w3c.dom.Document; import org.w3c.dom.NodeList; import org.w3c.dom.Element; import org.apache.log4j.Logger; import com.google.gwt.user.server.rpc.RemoteServiceServlet; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.artifacts.httpclient.exceptions.ConnectionException; import de.intevation.artifacts.httpclient.http.HttpClient; import de.intevation.artifacts.httpclient.http.HttpClientImpl; import de.intevation.flys.client.shared.exceptions.ServerException; import de.intevation.flys.client.shared.model.Style; import de.intevation.flys.client.shared.model.StyleSetting; import de.intevation.flys.client.client.services.ThemeListingService; /** * This interface provides a method to list themes filtered by name. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class ThemeListingServiceImpl extends RemoteServiceServlet implements ThemeListingService { private static final Logger logger = Logger.getLogger(ThemeListingServiceImpl.class); private static final String XPATH_THEME_GROUPS = "/themes/themegroup"; /** The error message key that is thrown if an error occured while reading * the supported rivers from server.*/ public static final String ERROR_NO_GROUPS_FOUND = "error_no_groups_found"; public Map<String, Style> list(String locale, String name) throws ServerException { String url = getServletContext().getInitParameter("server-url"); Document doc = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( doc, null, null); Element e = ec.create("theme"); ec.addAttr(e, "name", name); doc.appendChild(e); HttpClient client = new HttpClientImpl(url, locale); try { Document res = client.callService(url, "themelisting", doc); NodeList themeGroups = (NodeList) XMLUtils.xpath( res, XPATH_THEME_GROUPS, XPathConstants.NODESET, null); if (themeGroups == null || themeGroups.getLength() == 0) { throw new ServerException(ERROR_NO_GROUPS_FOUND); } int count = themeGroups.getLength(); Map<String, Style> theStyles = new HashMap<String, Style>(count); for (int i = 0; i < count; i++) { Element tmp = (Element)themeGroups.item(i); String groupName = tmp.getAttribute("name"); NodeList theTheme = (NodeList) XMLUtils.xpath( tmp, "theme", XPathConstants.NODESET, null); for (int j = 0; j < theTheme.getLength(); j++) { Element elem = (Element) theTheme.item(j); theStyles.put(groupName, getStyle(elem)); } } return theStyles; } catch (ConnectionException ce) { logger.error(ce, ce); } throw new ServerException(ERROR_NO_GROUPS_FOUND); } 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")); style.setFacet (element.getAttribute("facet")); try { int ndx = Integer.parseInt(element.getAttribute("index")); style.setIndex (ndx); } catch(NumberFormatException nfe) { return null; } 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 :