Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/ServerInfoServiceImpl.java @ 8203:238fc722f87a

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sed 's/logger/log/g' src/**/*.java
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 13:19:22 +0200
parents b0b0ba6e7bb0
children a805211690f7
rev   line source
6475
b0b0ba6e7bb0 Add client side servlets and service stubs for ServerInfoService.
Christian Lins <christian.lins@intevation.de>
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1 package org.dive4elements.river.client.server;
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2
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3 import java.util.HashMap;
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4 import java.util.Map;
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5
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6 import javax.xml.xpath.XPathConstants;
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7
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8 import org.apache.log4j.Logger;
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9 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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10 import org.dive4elements.artifacts.common.utils.XMLUtils;
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11 import org.dive4elements.artifacts.httpclient.http.HttpClient;
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12 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
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13 import org.dive4elements.river.client.client.services.ServerInfoService;
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14 import org.w3c.dom.Document;
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15 import org.w3c.dom.Element;
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16 import org.w3c.dom.NodeList;
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17
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18 public class ServerInfoServiceImpl extends RemoteServiceServlet implements
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19 ServerInfoService {
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20
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21 // This works only because currently there is only one info transmitted
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22 private static final String XPATH_INFO = "/art:server/art:info";
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23
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24 private final Logger log = Logger.getLogger(ServerInfoServiceImpl.class);
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25
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26 @Override
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27 public Map<String, String> getConfig(String locale) {
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28 Map<String, String> infoMap = new HashMap<String, String>();
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29 String url = getServletContext().getInitParameter("server-url");
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30
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31 Document doc = XMLUtils.newDocument();
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32
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33 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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34 doc,
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35 ArtifactNamespaceContext.NAMESPACE_URI,
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36 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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37
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38 doc.appendChild(ec.create("action"));
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39
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40 HttpClient client = new HttpClientImpl(url, locale);
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41
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42 try {
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43 Document res = client.callService(url, "server-info", doc);
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44
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45 NodeList info = (NodeList) XMLUtils.xpath(res,
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46 XPATH_INFO,
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47 XPathConstants.NODESET,
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48 ArtifactNamespaceContext.INSTANCE);
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49
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50 for (int n = 0; n < info.getLength(); n++) {
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51 Element el = (Element)info.item(n);
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52 String key = el.getAttributeNS(
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53 ArtifactNamespaceContext.NAMESPACE_URI, "key");
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54 String val = el.getAttributeNS(
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55 ArtifactNamespaceContext.NAMESPACE_URI, "value");
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56 infoMap.put(key, val);
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57
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58 log.debug("ServerInfoServiceImpl: " + key + "=" + val);
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59 }
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60 }
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61 catch (Exception ex) {
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62 log.error(ex, ex);
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63 }
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64
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65 return infoMap;
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66 }
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67
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68
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69 }
http://dive4elements.wald.intevation.org