Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/services/ServerInfoService.java @ 6457:41152c3a532d 3.0.9
Add ServerInfoService (currently inactive).
| author | Christian Lins <christian.lins@intevation.de> |
|---|---|
| date | Wed, 26 Jun 2013 23:07:24 +0200 |
| parents | |
| children | d30ae7275e5a |
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| 6456:0624d3a0a63e | 6457:41152c3a532d |
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| 1 package org.dive4elements.river.artifacts.services; | |
| 2 | |
| 3 import javax.xml.xpath.XPathConstants; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 import org.dive4elements.artifacts.CallMeta; | |
| 7 import org.dive4elements.artifacts.GlobalContext; | |
| 8 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 9 import org.dive4elements.artifacts.common.utils.Config; | |
| 10 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 11 import org.w3c.dom.Document; | |
| 12 import org.w3c.dom.Element; | |
| 13 | |
| 14 /** | |
| 15 * Through this service the client can retrieve basic information about or | |
| 16 * configuration of the artifact server. | |
| 17 * Currently it only returns the help-url (wiki) to the client. | |
| 18 * | |
| 19 * @author <a href="mailto:christian.lins@intevation.de">Christian Lins</a> | |
| 20 */ | |
| 21 public class ServerInfoService extends D4EService { | |
| 22 | |
| 23 /** The logger used in this service.*/ | |
| 24 private static Logger logger = Logger.getLogger(ServerInfoService.class); | |
| 25 | |
| 26 private static final String XPATH_HELP_URL = "/artifact-database/help-url/text()"; | |
| 27 | |
| 28 @Override | |
| 29 protected Document doProcess(Document data, GlobalContext globalContext, | |
| 30 CallMeta callMeta) { | |
| 31 logger.debug("ServerInfoService.process"); | |
| 32 | |
| 33 Document result = XMLUtils.newDocument(); | |
| 34 | |
| 35 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 36 result, | |
| 37 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 38 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 39 | |
| 40 Element serverInfo = ec.create("server"); | |
| 41 | |
| 42 String helpUrl = (String) XMLUtils.xpath( | |
| 43 Config.getConfig(), | |
| 44 XPATH_HELP_URL, | |
| 45 XPathConstants.STRING); | |
| 46 | |
| 47 Element info = ec.create("info"); | |
| 48 ec.addAttr(info, "key", "help-url", true); | |
| 49 ec.addAttr(info, "value", helpUrl, true); | |
| 50 | |
| 51 result.appendChild(serverInfo); | |
| 52 | |
| 53 return result; | |
| 54 } | |
| 55 | |
| 56 } |