Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/FileUploadServiceImpl.java @ 5861:172338b1407f
GWT client: Added copyright header.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Sun, 28 Apr 2013 14:30:15 +0200 |
| parents | 5aa05a7a34b7 |
| children | ea9eef426962 |
| rev | line source |
|---|---|
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5861
172338b1407f
GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
5838
diff
changeset
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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172338b1407f
GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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2 * Software engineering by Intevation GmbH |
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GWT client: Added copyright header.
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3 * |
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GWT client: Added copyright header.
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parents:
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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GWT client: Added copyright header.
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parents:
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6 * documentation coming with Dive4Elements River for details. |
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parents:
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7 */ |
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parents:
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8 |
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Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
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9 package org.dive4elements.river.client.server; |
| 2494 | 10 |
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11 import org.dive4elements.artifacts.common.utils.XMLUtils; |
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12 import org.dive4elements.artifacts.common.utils.XMLUtils.ElementCreator; |
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13 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; |
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14 import org.dive4elements.artifacts.httpclient.http.HttpClient; |
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15 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; |
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Removed superfluous imports.
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16 |
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parents:
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17 import java.io.ByteArrayOutputStream; |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
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18 import java.io.IOException; |
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19 import java.io.InputStream; |
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parents:
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20 import java.io.PrintWriter; |
| 2494 | 21 |
| 22 import javax.servlet.http.HttpServlet; | |
| 23 import javax.servlet.http.HttpServletRequest; | |
| 24 import javax.servlet.http.HttpServletResponse; | |
| 25 | |
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26 import org.apache.commons.codec.binary.Base64; |
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27 import org.apache.commons.fileupload.FileItemIterator; |
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28 import org.apache.commons.fileupload.FileItemStream; |
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29 import org.apache.commons.fileupload.servlet.ServletFileUpload; |
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30 import org.apache.log4j.Logger; |
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31 import org.w3c.dom.Document; |
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32 import org.w3c.dom.Element; |
| 2494 | 33 |
| 34 public class FileUploadServiceImpl | |
| 35 extends HttpServlet | |
| 36 { | |
| 37 private static final Logger logger = Logger.getLogger(FileUploadServiceImpl.class); | |
| 38 | |
| 39 @Override | |
| 40 protected void doPost(HttpServletRequest req, HttpServletResponse resp) { | |
| 41 logger.debug("handling post request."); | |
| 42 | |
| 43 String url = getServletContext().getInitParameter("server-url"); | |
| 44 | |
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Make floodmap riveraxis layer name configurable.
Christian Lins <christian.lins@intevation.de>
parents:
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45 Document request = createFileXML(req); |
| 2494 | 46 |
| 47 if (request == null) { | |
| 48 return; | |
| 49 } | |
| 50 HttpClient client = new HttpClientImpl(url); | |
| 51 | |
| 52 try { | |
| 53 Document result = client.callService(url, "fileupload", request); | |
| 54 | |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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55 PrintWriter respWriter = resp.getWriter(); |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
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56 respWriter.write("<html><link href='FLYS.css' rel='stylesheet' type='text/css'>"); |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
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57 respWriter.write("<body><div style='font-face: Arial,Verdana,sans-serif; font-size: 11px'>"); |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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58 |
| 2494 | 59 if (result == null) { |
| 60 logger.warn("FileUpload service returned no result."); | |
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parents:
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changeset
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61 respWriter.write("FileUpload service returned no result"); |
| 2494 | 62 } |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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63 else { |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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64 String status = result.getElementsByTagName("status") |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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65 .item(0).getTextContent(); |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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66 respWriter.write(status); |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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67 } |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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68 |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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69 respWriter.write("</div></body></html>"); |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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70 respWriter.flush(); |
| 2494 | 71 |
| 72 return; | |
| 73 } | |
| 74 catch (ConnectionException ce) { | |
| 75 logger.error(ce, ce); | |
| 76 } | |
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flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
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changeset
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77 catch (IOException e) { |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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78 logger.error(e, e); |
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04ccec566689
flys/#657: Shapefile upload now reports success or failure to client.
Christian Lins <christian.lins@intevation.de>
parents:
4632
diff
changeset
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79 } |
| 2494 | 80 } |
| 81 | |
| 82 | |
| 83 protected Document createFileXML(HttpServletRequest req) { | |
| 84 ServletFileUpload upload = new ServletFileUpload(); | |
| 85 | |
| 86 try{ | |
| 87 FileItemIterator iter = upload.getItemIterator(req); | |
| 88 | |
| 89 while (iter.hasNext()) { | |
| 90 FileItemStream item = iter.next(); | |
| 91 InputStream stream = item.openStream(); | |
| 92 | |
| 93 // Process the input stream | |
| 94 ByteArrayOutputStream out = new ByteArrayOutputStream(); | |
| 95 int len; | |
| 96 byte[] buffer = new byte[stream.available()]; | |
| 97 while ((len = stream.read(buffer, 0, buffer.length)) != -1) { | |
| 98 out.write(buffer, 0, len); | |
| 99 } | |
| 100 | |
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b9433322fcaf
Add alpha transp. and fix exceptions on unknown style attributes.
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101 buffer = Base64.encodeBase64(buffer); |
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102 String b64File = new String(buffer); |
| 2494 | 103 |
| 104 Document fileDoc = XMLUtils.newDocument(); | |
| 105 | |
| 106 ElementCreator ec = new ElementCreator(fileDoc, null, null); | |
| 107 Element root = ec.create("upload"); | |
| 108 Element id = ec.create("artifact-uuid"); | |
| 109 id.setTextContent(req.getParameter("uuid")); | |
| 110 | |
| 111 Element data = ec.create("data"); | |
| 112 data.setTextContent(b64File); | |
| 113 | |
| 114 fileDoc.appendChild(root); | |
| 115 root.appendChild(id); | |
| 116 root.appendChild(data); | |
| 117 | |
| 118 return fileDoc; | |
| 119 } | |
| 120 } | |
| 121 catch(Exception e){ | |
| 122 logger.debug("Failed to create xml document containing the file."); | |
| 123 logger.debug(e, e); | |
| 124 } | |
| 125 return null; | |
| 126 } | |
| 127 } |