Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/ExportServiceImpl.java @ 3497:88feb3347aa5

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Implement a ProxyServlet Implement a ProxyServlet to be able to restrict the access to the mapserver too. All queries to the provided map services should go throught this new ProxyServlet. Currently the ProxyServlet can only handle HTTP GET requests. flys-client/trunk@5221 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Thu, 16 Aug 2012 14:42:36 +0000
parents bc06a671ef60
children 17c66d38f095
rev   line source
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71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.client.server;
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2
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3 import java.io.OutputStream;
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4 import java.io.IOException;
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5
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6 import org.w3c.dom.Document;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import javax.servlet.http.HttpServlet;
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11 import javax.servlet.http.HttpServletRequest;
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12 import javax.servlet.http.HttpServletResponse;
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13
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14 import de.intevation.artifacts.common.utils.ClientProtocolUtils;
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15
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16 import de.intevation.artifacts.httpclient.http.HttpClient;
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17 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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18
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19
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20 /**
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21 * This service is used to request a data export from the artifact server. The
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22 * response is directed directly to the output stream, so that a file dialog is
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23 * opened.
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24 *
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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26 */
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27 public class ExportServiceImpl
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28 extends HttpServlet
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29 {
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30 private static final Logger logger =
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31 Logger.getLogger(ExportServiceImpl.class);
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32
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33
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34 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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35 logger.info("ExportServiceImpl.doGet");
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36
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37 try {
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38 OutputStream out = resp.getOutputStream();
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39
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40 String url = getServletContext().getInitParameter("server-url");
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41
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42 String uuid = req.getParameter("uuid");
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43 String mode = req.getParameter("mode");
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44 String type = req.getParameter("type");
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45 String locale = req.getParameter("locale");
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46 String fn = mode + "." + type;
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47
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48 resp.setHeader("Content-Disposition", "attachment;filename=" + fn);
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49
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50 logger.debug("Request " + type + " export.");
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51 Document request = ClientProtocolUtils.newOutCollectionDocument(
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52 uuid, mode, type);
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53
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54 HttpClient client = new HttpClientImpl(url, locale);
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55 client.collectionOut(request, uuid, mode, out);
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56
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57 out.close();
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58 out.flush();
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59 }
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60 catch (IOException ioe) {
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61 logger.error(ioe, ioe);
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62 }
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63 }
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64 }
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65 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org