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annotate artifacts/src/main/java/org/dive4elements/river/artifacts/services/ServerInfoService.java @ 6457:41152c3a532d 3.0.9

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Add ServerInfoService (currently inactive).
author Christian Lins <christian.lins@intevation.de>
date Wed, 26 Jun 2013 23:07:24 +0200
parents
children d30ae7275e5a
rev   line source
6457
41152c3a532d Add ServerInfoService (currently inactive).
Christian Lins <christian.lins@intevation.de>
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1 package org.dive4elements.river.artifacts.services;
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2
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3 import javax.xml.xpath.XPathConstants;
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4
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5 import org.apache.log4j.Logger;
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6 import org.dive4elements.artifacts.CallMeta;
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7 import org.dive4elements.artifacts.GlobalContext;
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8 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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9 import org.dive4elements.artifacts.common.utils.Config;
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10 import org.dive4elements.artifacts.common.utils.XMLUtils;
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13
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14 /**
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15 * Through this service the client can retrieve basic information about or
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16 * configuration of the artifact server.
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17 * Currently it only returns the help-url (wiki) to the client.
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18 *
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19 * @author <a href="mailto:christian.lins@intevation.de">Christian Lins</a>
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20 */
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21 public class ServerInfoService extends D4EService {
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22
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23 /** The logger used in this service.*/
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24 private static Logger logger = Logger.getLogger(ServerInfoService.class);
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25
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26 private static final String XPATH_HELP_URL = "/artifact-database/help-url/text()";
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27
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28 @Override
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29 protected Document doProcess(Document data, GlobalContext globalContext,
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30 CallMeta callMeta) {
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31 logger.debug("ServerInfoService.process");
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32
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33 Document result = XMLUtils.newDocument();
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34
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35 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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36 result,
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37 ArtifactNamespaceContext.NAMESPACE_URI,
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38 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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39
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40 Element serverInfo = ec.create("server");
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41
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42 String helpUrl = (String) XMLUtils.xpath(
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43 Config.getConfig(),
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44 XPATH_HELP_URL,
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45 XPathConstants.STRING);
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46
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47 Element info = ec.create("info");
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48 ec.addAttr(info, "key", "help-url", true);
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49 ec.addAttr(info, "value", helpUrl, true);
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50
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51 result.appendChild(serverInfo);
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52
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53 return result;
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54 }
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55
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56 }
http://dive4elements.wald.intevation.org