Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/state/SingleInputState.java @ 1119:7c4f81f74c47
merged gnv-artifacts
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:00 +0200 |
| parents | f953c9a559d8 |
| children |
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| 1027:fca4b5eb8d2f | 1119:7c4f81f74c47 |
|---|---|
| 1 /* | |
| 2 * Copyright (c) 2010 by Intevation GmbH | |
| 3 * | |
| 4 * This program is free software under the LGPL (>=v2.1) | |
| 5 * Read the file LGPL.txt coming with the software for details | |
| 6 * or visit http://www.gnu.org/licenses/ if it does not exist. | |
| 7 */ | |
| 8 | |
| 9 package de.intevation.gnv.state; | |
| 10 | |
| 11 import de.intevation.artifacts.CallContext; | |
| 12 | |
| 13 import de.intevation.gnv.artifacts.ressource.RessourceFactory; | |
| 14 import de.intevation.gnv.geobackend.base.Result; | |
| 15 import de.intevation.gnv.state.describedata.DefaultSingleValueDescribeData; | |
| 16 import de.intevation.gnv.state.exception.StateException; | |
| 17 import de.intevation.gnv.utils.InputValidator; | |
| 18 | |
| 19 import java.util.ArrayList; | |
| 20 import java.util.Collection; | |
| 21 import java.util.Iterator; | |
| 22 import java.util.List; | |
| 23 import java.util.Locale; | |
| 24 | |
| 25 import org.apache.log4j.Logger; | |
| 26 | |
| 27 import org.w3c.dom.Document; | |
| 28 | |
| 29 /** | |
| 30 * This state handles single user input. The user is allowed to select just one | |
| 31 * value. | |
| 32 * | |
| 33 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> | |
| 34 * | |
| 35 */ | |
| 36 public class SingleInputState extends StateBase { | |
| 37 | |
| 38 /** | |
| 39 * the logger, used to log exceptions and additonaly information | |
| 40 */ | |
| 41 private static Logger log = Logger.getLogger(SingleInputState.class); | |
| 42 | |
| 43 private static final long serialVersionUID = -6169497306324917318L; | |
| 44 | |
| 45 /** | |
| 46 * Constructor | |
| 47 */ | |
| 48 public SingleInputState() { | |
| 49 } | |
| 50 | |
| 51 | |
| 52 @Override | |
| 53 protected List<Object> purifyResult(Collection<Result> result, String uuid) { | |
| 54 log.debug("SingleInputState.purifyResult"); | |
| 55 List<Object> describeData = new ArrayList<Object>(); | |
| 56 | |
| 57 String value = null; | |
| 58 if (result != null && result.size() == 1) { | |
| 59 Result tmpItem = result.iterator().next(); | |
| 60 value = tmpItem.getObject("MAX").toString(); | |
| 61 } else { | |
| 62 value = ""; | |
| 63 } | |
| 64 | |
| 65 describeData.add(new DefaultSingleValueDescribeData( | |
| 66 this.dataName, value, getID())); | |
| 67 | |
| 68 return describeData; | |
| 69 } | |
| 70 | |
| 71 /** | |
| 72 * This feed method needs a collection of two InputData objects. These | |
| 73 * objects' values need to be a datetime string which is turned into a Date | |
| 74 * object. Afterwards, the given dates are validated. Min and max date need | |
| 75 * to be in range of the min and max date retrieved by | |
| 76 * {@link #getDescibeData(java.lang.String)}. | |
| 77 */ | |
| 78 @Override | |
| 79 public Document feed( | |
| 80 CallContext context, | |
| 81 Collection<InputData> inputData, | |
| 82 String uuid) | |
| 83 throws StateException { | |
| 84 RessourceFactory resFactory = RessourceFactory.getInstance(); | |
| 85 Locale[] serverLocales = resFactory.getLocales(); | |
| 86 Locale locale = context.getMeta().getPreferredLocale( | |
| 87 serverLocales); | |
| 88 | |
| 89 if (inputData == null) { | |
| 90 String msg = "No input data given."; | |
| 91 log.warn(msg); | |
| 92 return feedFailure(msg); | |
| 93 } | |
| 94 | |
| 95 Iterator<InputData> it = inputData.iterator(); | |
| 96 InputData tmpItem = it.next(); | |
| 97 InputValue inputValue = inputValues.get(tmpItem.getName()); | |
| 98 | |
| 99 if (inputValue == null) { | |
| 100 String msg = resFactory.getRessource( | |
| 101 locale, | |
| 102 EXCEPTION_INVALID_INPUT, | |
| 103 EXCEPTION_INVALID_INPUT); | |
| 104 log.warn(msg); | |
| 105 return feedFailure(msg); | |
| 106 } | |
| 107 | |
| 108 boolean valid = InputValidator.isInputValid( | |
| 109 tmpItem.getValue(), inputValue.getType()); | |
| 110 | |
| 111 if (valid) { | |
| 112 String[] desc = getDescriptionForInputData(tmpItem, context, uuid); | |
| 113 tmpItem.setDescription(desc); | |
| 114 | |
| 115 this.inputData.put(tmpItem.getName(), tmpItem); | |
| 116 return feedSuccess(); | |
| 117 } | |
| 118 | |
| 119 else { | |
| 120 String msg = resFactory.getRessource( | |
| 121 locale, | |
| 122 EXCEPTION_INVALID_INPUT, | |
| 123 EXCEPTION_INVALID_INPUT); | |
| 124 log.warn(msg); | |
| 125 return feedFailure(msg); | |
| 126 } | |
| 127 } | |
| 128 } | |
| 129 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |