Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/state/SingleInputState.java @ 756:1614b27dcbfa

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Added Support of Layers which are Joined from two Tables. gnv-artifacts/trunk@804 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Fri, 19 Mar 2010 12:12:10 +0000
parents 292fbcd5e9ac
children 9a828e5a2390
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.state;
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5
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6 import java.util.ArrayList;
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7 import java.util.Collection;
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8 import java.util.List;
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9
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10 import org.apache.log4j.Logger;
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11
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12 import de.intevation.gnv.geobackend.base.Result;
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13 import de.intevation.gnv.state.describedata.DefaultSingleValueDescribeData;
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14
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15 /**
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16 * @author Tim Englich <tim.englich@intevation.de>
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17 *
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18 */
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19 public class SingleInputState extends StateBase {
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20
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21 /**
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22 * the logger, used to log exceptions and additonaly information
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23 */
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24 private static Logger log = Logger.getLogger(SingleInputState.class);
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25
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26 /**
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27 *
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28 */
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29 private static final long serialVersionUID = -6169497306324917318L;
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30
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31 /**
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32 * Constructor
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33 */
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34 public SingleInputState() {
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35 }
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36
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37 /**
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38 * @see de.intevation.gnv.state.StateBase#purifyResult(java.util.Collection,
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39 * java.lang.String)
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40 */
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41 @Override
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42 protected List<Object> purifyResult(Collection<Result> result, String uuid) {
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43 log.debug("SingleInputState.purifyResult");
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44 List<Object> describeData = new ArrayList<Object>();
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45
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46 String value = null;
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47 if (result != null && result.size() == 1) {
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48 Result tmpItem = result.iterator().next();
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49 value = tmpItem.getObject("MAX").toString();
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50 } else {
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51 value = "";
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52 }
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53
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54 describeData.add(new DefaultSingleValueDescribeData(
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55 this.dataName, value, getID()));
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56
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57 return describeData;
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58 }
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59
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60 }
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