Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/SingleInputState.java @ 875:5e9efdda6894
merged gnv-artifacts/1.0
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:13:56 +0200 |
| parents | f94a95009423 |
| children | 9981452c7e75 |
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| 722:bb3ffe7d719e | 875:5e9efdda6894 |
|---|---|
| 1 package de.intevation.gnv.state; | |
| 2 | |
| 3 import de.intevation.artifacts.CallContext; | |
| 4 | |
| 5 import de.intevation.gnv.artifacts.ressource.RessourceFactory; | |
| 6 import de.intevation.gnv.geobackend.base.Result; | |
| 7 import de.intevation.gnv.state.describedata.DefaultSingleValueDescribeData; | |
| 8 import de.intevation.gnv.state.exception.StateException; | |
| 9 import de.intevation.gnv.utils.InputValidator; | |
| 10 | |
| 11 import java.util.ArrayList; | |
| 12 import java.util.Collection; | |
| 13 import java.util.Iterator; | |
| 14 import java.util.List; | |
| 15 import java.util.Locale; | |
| 16 | |
| 17 import org.apache.log4j.Logger; | |
| 18 | |
| 19 import org.w3c.dom.Document; | |
| 20 | |
| 21 /** | |
| 22 * This state handles single user input. The user is allowed to select just one | |
| 23 * value. | |
| 24 * | |
| 25 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> | |
| 26 * | |
| 27 */ | |
| 28 public class SingleInputState extends StateBase { | |
| 29 | |
| 30 /** | |
| 31 * the logger, used to log exceptions and additonaly information | |
| 32 */ | |
| 33 private static Logger log = Logger.getLogger(SingleInputState.class); | |
| 34 | |
| 35 private static final long serialVersionUID = -6169497306324917318L; | |
| 36 | |
| 37 /** | |
| 38 * Constructor | |
| 39 */ | |
| 40 public SingleInputState() { | |
| 41 } | |
| 42 | |
| 43 | |
| 44 @Override | |
| 45 protected List<Object> purifyResult(Collection<Result> result, String uuid) { | |
| 46 log.debug("SingleInputState.purifyResult"); | |
| 47 List<Object> describeData = new ArrayList<Object>(); | |
| 48 | |
| 49 String value = null; | |
| 50 if (result != null && result.size() == 1) { | |
| 51 Result tmpItem = result.iterator().next(); | |
| 52 value = tmpItem.getObject("MAX").toString(); | |
| 53 } else { | |
| 54 value = ""; | |
| 55 } | |
| 56 | |
| 57 describeData.add(new DefaultSingleValueDescribeData( | |
| 58 this.dataName, value, getID())); | |
| 59 | |
| 60 return describeData; | |
| 61 } | |
| 62 | |
| 63 /** | |
| 64 * This feed method needs a collection of two InputData objects. These | |
| 65 * objects' values need to be a datetime string which is turned into a Date | |
| 66 * object. Afterwards, the given dates are validated. Min and max date need | |
| 67 * to be in range of the min and max date retrieved by | |
| 68 * {@link #getDescibeData(java.lang.String)}. | |
| 69 */ | |
| 70 @Override | |
| 71 public Document feed( | |
| 72 CallContext context, | |
| 73 Collection<InputData> inputData, | |
| 74 String uuid) | |
| 75 throws StateException { | |
| 76 RessourceFactory resFactory = RessourceFactory.getInstance(); | |
| 77 Locale[] serverLocales = resFactory.getLocales(); | |
| 78 Locale locale = context.getMeta().getPreferredLocale( | |
| 79 serverLocales); | |
| 80 | |
| 81 if (inputData == null) { | |
| 82 String msg = "No input data given."; | |
| 83 log.warn(msg); | |
| 84 return feedFailure(msg); | |
| 85 } | |
| 86 | |
| 87 Iterator<InputData> it = inputData.iterator(); | |
| 88 InputData tmpItem = it.next(); | |
| 89 InputValue inputValue = inputValues.get(tmpItem.getName()); | |
| 90 | |
| 91 if (inputValue == null) { | |
| 92 String msg = resFactory.getRessource( | |
| 93 locale, | |
| 94 EXCEPTION_INVALID_INPUT, | |
| 95 EXCEPTION_INVALID_INPUT); | |
| 96 log.warn(msg); | |
| 97 return feedFailure(msg); | |
| 98 } | |
| 99 | |
| 100 boolean valid = InputValidator.isInputValid( | |
| 101 tmpItem.getValue(), inputValue.getType()); | |
| 102 | |
| 103 if (valid) { | |
| 104 String[] desc = getDescriptionForInputData(tmpItem, uuid); | |
| 105 tmpItem.setDescription(desc); | |
| 106 | |
| 107 this.inputData.put(tmpItem.getName(), tmpItem); | |
| 108 return feedSuccess(); | |
| 109 } | |
| 110 | |
| 111 else { | |
| 112 String msg = resFactory.getRessource( | |
| 113 locale, | |
| 114 EXCEPTION_INVALID_INPUT, | |
| 115 EXCEPTION_INVALID_INPUT); | |
| 116 log.warn(msg); | |
| 117 return feedFailure(msg); | |
| 118 } | |
| 119 } | |
| 120 } | |
| 121 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |