Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/CreateChartAction.java @ 1022:28a0628b11b0

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Added license file and license header. gnv/trunk@1258 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Nov 2010 17:15:08 +0000
parents 33198e55371c
children
rev   line source
1022
28a0628b11b0 Added license file and license header.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.action;
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10
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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 org.apache.log4j.Logger;
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15 import org.apache.struts.action.ActionForm;
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16 import org.apache.struts.action.ActionForward;
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17 import org.apache.struts.action.ActionMapping;
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18
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19 import de.intevation.gnv.action.sessionmodel.SessionModel;
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20 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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21
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22 /**
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23 * This controller is called to display charts.<br>
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24 * An attribute 'chart' on the request object is activated which inserts an
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25 * image calling a chart output of the server.
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26 *
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class CreateChartAction extends DescribeUIAction {
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30
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31 /**
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32 * the logger, used to log exceptions and additonaly information
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33 */
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34 private static Logger logger = Logger.getLogger(CreateChartAction.class);
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35
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36
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37 /**
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38 * Constructor
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39 */
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40 public CreateChartAction() {
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41 super();
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42 }
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43
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44
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45 @Override
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46 public ActionForward execute(
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47 ActionMapping mapping,
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48 ActionForm form,
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49 HttpServletRequest request,
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50 HttpServletResponse response)
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51 throws Exception {
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52 if (isSessionExhausted(request)) {
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53 return sessionExhaustedForward(mapping, form, request, response);
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54 }
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55
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56 logger.debug("Create chart.");
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57
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58 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(
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59 request);
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60 sm.setDiagrammOptions(null);
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61 request.setAttribute("chart", true);
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62
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63 return super.execute(mapping, form, request, response);
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64 }
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65 }
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66 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org