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annotate flys-client/src/main/java/de/intevation/flys/client/server/ChartOutputServiceImpl.java @ 78:9ca5160cf080

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Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab. flys-client/trunk@1584 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 28 Mar 2011 10:45:45 +0000
parents
children 7ea004d0ffbc
rev   line source
78
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.client.server;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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2
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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3 import java.io.OutputStream;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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4 import java.io.IOException;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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5 import java.util.HashMap;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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6 import java.util.Map;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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7
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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8 import org.w3c.dom.Document;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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9
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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10 import javax.servlet.http.HttpServlet;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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11 import javax.servlet.http.HttpServletRequest;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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12 import javax.servlet.http.HttpServletResponse;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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13
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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14 import de.intevation.artifacts.httpclient.http.HttpClient;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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15 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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16 import de.intevation.artifacts.httpclient.objects.Artifact;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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17 import de.intevation.artifacts.httpclient.utils.ArtifactProtocolUtils;
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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18
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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19
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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20 /**
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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21 * This service is used to request a chart from the artifact server. The
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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22 * response is directed directly to the output stream, so the image that is
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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23 * retrieved is displayed in the UI afterwards.
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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24 *
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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25 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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26 */
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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27 public class ChartOutputServiceImpl
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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28 extends HttpServlet
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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29 {
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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30 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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31 System.out.println("ChartOutputServiceImpl.doGet");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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32
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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33 try {
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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34 OutputStream out = resp.getOutputStream();
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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35
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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36 String serverUrl = req.getParameter("server");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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37 String uuid = req.getParameter("uuid");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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38 String hash = req.getParameter("hash");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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39 String width = req.getParameter("width");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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40 String height = req.getParameter("height");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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41 String target = req.getParameter("target");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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42 String mimeType = "image/png";
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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43
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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44 Map opts = new HashMap();
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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45 opts.put("width", width);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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46 opts.put("height", height);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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47 opts.put("mimeType", mimeType);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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48 opts.put("points", "false");
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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49
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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50 Document chart = ArtifactProtocolUtils.createChartDocument(
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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51 new Artifact(hash, uuid), opts);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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52
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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53 HttpClient client = new HttpClientImpl(serverUrl);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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54 client.out(new Artifact(uuid, hash), chart, target, out);
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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55
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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56 out.close();
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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57 out.flush();
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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58 }
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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59 catch (IOException ioe) {
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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60 System.err.println(ioe.getMessage());
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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61 }
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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62 }
9ca5160cf080 Added a service that builds up requests to retrieve chart images. Use this service to display charts in the ChartOutputTab.
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63 }
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