Mercurial > dive4elements > river

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
sed 's/logger/log/g' src/**/*.java
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 13:19:22 +0200
parents e469d9939a52
children 5e38e2924c07
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
2 * Software engineering by Intevation GmbH
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
3 *
5993
ea9eef426962 Removed trailing whitespace.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5861
diff changeset
4 * This file is Free Software under the GNU AGPL (>=v3)
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
5993
ea9eef426962 Removed trailing whitespace.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5861
diff changeset
6 * documentation coming with Dive4Elements River for details.
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
7 */
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
8
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
9 package org.dive4elements.river.client.server;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
11 import java.io.InputStreamReader;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12 import java.io.OutputStream;
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13 import java.io.IOException;
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
14 import java.io.OutputStreamWriter;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
15
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16 import org.w3c.dom.Document;
3499
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
17 import org.w3c.dom.Element;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 432
diff changeset
19 import org.apache.log4j.Logger;
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 432
diff changeset
20
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 import javax.servlet.http.HttpServlet;
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22 import javax.servlet.http.HttpServletRequest;
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23 import javax.servlet.http.HttpServletResponse;
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
24
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
25 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils;
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
26 import org.dive4elements.artifacts.common.utils.XMLUtils;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
28 import org.dive4elements.artifacts.httpclient.http.HttpClient;
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
diff changeset
29 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
31
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
32 /**
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
33 * This service is used to request a data export from the artifact server. The
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34 * response is directed directly to the output stream, so that a file dialog is
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 * opened.
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 *
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38 */
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39 public class ExportServiceImpl
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40 extends HttpServlet
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41 {
8203
238fc722f87a sed 's/logger/log/g' src/**/*.java
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7633
diff changeset
42 private static final Logger log =
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 432
diff changeset
43 Logger.getLogger(ExportServiceImpl.class);
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 432
diff changeset
44
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 432
diff changeset
45
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
8203
238fc722f87a sed 's/logger/log/g' src/**/*.java
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7633
diff changeset
47 log.info("ExportServiceImpl.doGet");
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
48
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
49 try {
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
50 final OutputStream out = resp.getOutputStream();
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
51
3500
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
52 String url = getServletContext().getInitParameter("server-url");
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
53 String uuid = req.getParameter("uuid");
4912
94b95e002fb9 Added filename to export url.
Raimund Renkert <rrenkert@intevation.de>
parents: 3500
diff changeset
54 String name = req.getParameter("name");
3500
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
55 String mode = req.getParameter("mode");
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
56 String type = req.getParameter("type");
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
57 String locale = req.getParameter("locale");
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
58 String km = req.getParameter("km");
4912
94b95e002fb9 Added filename to export url.
Raimund Renkert <rrenkert@intevation.de>
parents: 3500
diff changeset
59 String fn = name + "." + type;
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
60 final String enc = req.getParameter("encoding");
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
62 resp.setHeader("Content-Disposition", "attachment;filename=" + fn);
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
63
8203
238fc722f87a sed 's/logger/log/g' src/**/*.java
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7633
diff changeset
64 if (log.isDebugEnabled()) {
238fc722f87a sed 's/logger/log/g' src/**/*.java
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7633
diff changeset
65 log.debug("Request " + type + " export.");
3500
def13f23bb27 Removed superfluous import. Removed some inner whitespace. Made debug output conditional.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 3499
diff changeset
66 }
3499
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
67
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
68 Document attr = null;
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
69 if (km != null && km.length() > 0) {
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
70 attr = XMLUtils.newDocument();
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
71 XMLUtils.ElementCreator ec =
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
72 new XMLUtils.ElementCreator(attr, null, null);
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
73 Element e = ec.create("km");
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
74 e.setTextContent(km);
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
75 attr.appendChild(e);
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
76 }
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
77 Document request = ClientProtocolUtils.newOutCollectionDocument(
3499
17c66d38f095 FixA: Added AT file export to FixAnalysis W/Q.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1425
diff changeset
78 uuid, mode, type, attr);
1425
bc06a671ef60 Removed the URL parameter from service calls. The service
Raimund Renkert <raimund.renkert@intevation.de>
parents: 1367
diff changeset
79 HttpClient client = new HttpClientImpl(url, locale);
7139
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
80
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
81 if (enc != null) {
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
82 InputStreamReader in = new InputStreamReader(
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
83 client.collectionOut(request, uuid, mode),
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
84 "UTF-8");
7139
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
85 try {
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
86 OutputStreamWriter encOut = new OutputStreamWriter(out, enc);
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
87 char buf [] = new char[4096];
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
88 int c;
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
89 while ((c = in.read(buf, 0, buf.length)) >= 0) {
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
90 encOut.write(buf, 0, c);
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
91 }
7633
e469d9939a52 (issue1630) Flush the correct outer output stream
Andre Heinecke <aheinecke@intevation.de>
parents: 7486
diff changeset
92 encOut.flush();
7139
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
93 }
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
94 finally {
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
95 in.close();
7139
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
96 }
6efa25f97f7e issue971: Let ExportServiceImpl handle encoding parameter,
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 5993
diff changeset
97 }
7486
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
98 else { // Just copy thru.
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
99 client.collectionOut(request, uuid, mode, out);
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
100 out.flush();
6b278187ed9d Removed charset encoding on outs. They are mainly binary data which simply should be proxied through.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7139
diff changeset
101 }
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
102 }
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
103 catch (IOException ioe) {
8203
238fc722f87a sed 's/logger/log/g' src/**/*.java
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7633
diff changeset
104 log.error(ioe, ioe);
274
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
105 }
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
106 }
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
107 }
71a7533555d0 Added a service to export data from the artifact server.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
108 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org