Mercurial > dive4elements > river
comparison flys-client/src/main/java/org/dive4elements/river/client/server/ModuleServiceImpl.java @ 5834:f507086aa94b
Repaired internal references.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 12:31:32 +0200 |
| parents | flys-client/src/main/java/de/intevation/flys/client/server/ModuleServiceImpl.java@fed914a42a10 |
| children | 821a02bbfb4e |
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| 5833:a2bdc0f524e8 | 5834:f507086aa94b |
|---|---|
| 1 package de.intevation.flys.client.server; | |
| 2 | |
| 3 import de.intevation.artifacts.common.ArtifactNamespaceContext; | |
| 4 import de.intevation.artifacts.common.utils.XMLUtils; | |
| 5 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; | |
| 6 import de.intevation.artifacts.httpclient.http.HttpClient; | |
| 7 import de.intevation.artifacts.httpclient.http.HttpClientImpl; | |
| 8 import de.intevation.flys.client.client.services.ModuleService; | |
| 9 import de.intevation.flys.client.server.auth.User; | |
| 10 import de.intevation.flys.client.shared.exceptions.ServerException; | |
| 11 import de.intevation.flys.client.shared.model.DefaultModule; | |
| 12 import de.intevation.flys.client.shared.model.Module; | |
| 13 | |
| 14 import java.util.ArrayList; | |
| 15 import java.util.List; | |
| 16 | |
| 17 import javax.xml.xpath.XPathConstants; | |
| 18 | |
| 19 import org.apache.log4j.Logger; | |
| 20 import org.w3c.dom.Document; | |
| 21 import org.w3c.dom.Element; | |
| 22 import org.w3c.dom.NodeList; | |
| 23 | |
| 24 public class ModuleServiceImpl | |
| 25 extends RemoteServiceServlet | |
| 26 implements ModuleService | |
| 27 { | |
| 28 private static final Logger logger = | |
| 29 Logger.getLogger(ModuleServiceImpl.class); | |
| 30 | |
| 31 public static final String XPATH_MODULES = "/art:modules/art:module"; | |
| 32 | |
| 33 public static final String ERROR_NO_MODULES_FOUND = | |
| 34 "error_no_module_found"; | |
| 35 | |
| 36 @Override | |
| 37 public Module[] list(String locale) throws ServerException { | |
| 38 User user = this.getUser(); | |
| 39 | |
| 40 logger.info("ModuleService.list"); | |
| 41 | |
| 42 String url = getServletContext().getInitParameter("server-url"); | |
| 43 | |
| 44 // create dummy xml | |
| 45 Document doc = XMLUtils.newDocument(); | |
| 46 | |
| 47 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( | |
| 48 doc, | |
| 49 ArtifactNamespaceContext.NAMESPACE_URI, | |
| 50 ArtifactNamespaceContext.NAMESPACE_PREFIX); | |
| 51 | |
| 52 Element dummy = ec.create("modules"); | |
| 53 doc.appendChild(dummy); | |
| 54 | |
| 55 HttpClient client = new HttpClientImpl(url, locale); | |
| 56 try { | |
| 57 Document result = client.callService(url, "modules", doc); | |
| 58 | |
| 59 NodeList list = (NodeList) XMLUtils.xpath( | |
| 60 result, | |
| 61 XPATH_MODULES, | |
| 62 XPathConstants.NODESET, | |
| 63 ArtifactNamespaceContext.INSTANCE); | |
| 64 | |
| 65 if (list == null) { | |
| 66 logger.warn("No modules found."); | |
| 67 | |
| 68 throw new ServerException(ERROR_NO_MODULES_FOUND); | |
| 69 } | |
| 70 | |
| 71 int num = list.getLength(); | |
| 72 | |
| 73 List<Module> modules = new ArrayList<Module>(list.getLength()); | |
| 74 for(int i =0; i < num; i++) { | |
| 75 Element em = (Element)list.item(i); | |
| 76 String name = em.getAttributeNS( | |
| 77 ArtifactNamespaceContext.NAMESPACE_URI, "name"); | |
| 78 String localname = em.getAttributeNS( | |
| 79 ArtifactNamespaceContext.NAMESPACE_URI, "localname"); | |
| 80 String strselected = em.getAttributeNS( | |
| 81 ArtifactNamespaceContext.NAMESPACE_URI, "selected"); | |
| 82 boolean selected = strselected == null ? false : | |
| 83 strselected.equalsIgnoreCase("true"); | |
| 84 logger.debug("Found module " + name + " " + localname); | |
| 85 if (user == null || user.canUseFeature("module:" + name)) { | |
| 86 modules.add(new DefaultModule(name, localname, selected)); | |
| 87 } | |
| 88 } | |
| 89 return modules.toArray(new Module[modules.size()]); | |
| 90 } | |
| 91 catch (ConnectionException ce) { | |
| 92 logger.error(ce, ce); | |
| 93 } | |
| 94 | |
| 95 throw new ServerException(ERROR_NO_MODULES_FOUND); | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 tw=80 : |