Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/server/ExportServiceImpl.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-client/src/main/java/org/dive4elements/river/client/server/ExportServiceImpl.java@821a02bbfb4e |
| children | 172338b1407f |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.client.server; | |
| 2 | |
| 3 import java.io.OutputStream; | |
| 4 import java.io.IOException; | |
| 5 | |
| 6 import org.w3c.dom.Document; | |
| 7 import org.w3c.dom.Element; | |
| 8 | |
| 9 import org.apache.log4j.Logger; | |
| 10 | |
| 11 import javax.servlet.http.HttpServlet; | |
| 12 import javax.servlet.http.HttpServletRequest; | |
| 13 import javax.servlet.http.HttpServletResponse; | |
| 14 | |
| 15 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils; | |
| 16 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 17 | |
| 18 import org.dive4elements.artifacts.httpclient.http.HttpClient; | |
| 19 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; | |
| 20 | |
| 21 | |
| 22 /** | |
| 23 * This service is used to request a data export from the artifact server. The | |
| 24 * response is directed directly to the output stream, so that a file dialog is | |
| 25 * opened. | |
| 26 * | |
| 27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 28 */ | |
| 29 public class ExportServiceImpl | |
| 30 extends HttpServlet | |
| 31 { | |
| 32 private static final Logger logger = | |
| 33 Logger.getLogger(ExportServiceImpl.class); | |
| 34 | |
| 35 | |
| 36 public void doGet(HttpServletRequest req, HttpServletResponse resp) { | |
| 37 logger.info("ExportServiceImpl.doGet"); | |
| 38 | |
| 39 try { | |
| 40 OutputStream out = resp.getOutputStream(); | |
| 41 | |
| 42 String url = getServletContext().getInitParameter("server-url"); | |
| 43 String uuid = req.getParameter("uuid"); | |
| 44 String name = req.getParameter("name"); | |
| 45 String mode = req.getParameter("mode"); | |
| 46 String type = req.getParameter("type"); | |
| 47 String locale = req.getParameter("locale"); | |
| 48 String km = req.getParameter("km"); | |
| 49 String fn = name + "." + type; | |
| 50 | |
| 51 resp.setHeader("Content-Disposition", "attachment;filename=" + fn); | |
| 52 | |
| 53 if (logger.isDebugEnabled()) { | |
| 54 logger.debug("Request " + type + " export."); | |
| 55 } | |
| 56 | |
| 57 Document attr = null; | |
| 58 if (km != null && km.length() > 0) { | |
| 59 attr = XMLUtils.newDocument(); | |
| 60 XMLUtils.ElementCreator ec = | |
| 61 new XMLUtils.ElementCreator(attr, null, null); | |
| 62 Element e = ec.create("km"); | |
| 63 e.setTextContent(km); | |
| 64 attr.appendChild(e); | |
| 65 } | |
| 66 Document request = ClientProtocolUtils.newOutCollectionDocument( | |
| 67 uuid, mode, type, attr); | |
| 68 HttpClient client = new HttpClientImpl(url, locale); | |
| 69 client.collectionOut(request, uuid, mode, out); | |
| 70 | |
| 71 out.close(); | |
| 72 out.flush(); | |
| 73 } | |
| 74 catch (IOException ioe) { | |
| 75 logger.error(ioe, ioe); | |
| 76 } | |
| 77 } | |
| 78 } | |
| 79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |