Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelSelectState.java @ 1190:f514894ec2fd

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merged flys-artifacts/2.5
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:17 +0200
parents 47ecf98f09eb
children d251e5929860
comparison
equal deleted inserted replaced
917:b48c36076e17 1190:f514894ec2fd
1 package de.intevation.flys.artifacts.states;
2
3 import org.apache.log4j.Logger;
4
5 import org.w3c.dom.Element;
6
7 import de.intevation.artifacts.Artifact;
8 import de.intevation.artifacts.CallContext;
9
10 import de.intevation.artifactdatabase.data.DefaultStateData;
11 import de.intevation.artifactdatabase.data.StateData;
12
13 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
14
15 import de.intevation.flys.artifacts.FLYSArtifact;
16 import de.intevation.flys.artifacts.model.CalculationResult;
17 import de.intevation.flys.artifacts.model.WQKms;
18 import de.intevation.flys.artifacts.resources.Resources;
19 import de.intevation.flys.utils.FLYSUtils;
20
21
22 /**
23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
24 */
25 public class WaterlevelSelectState extends DefaultState {
26
27 private static final Logger logger =
28 Logger.getLogger(WaterlevelSelectState.class);
29
30 public static final String SPLIT_CHAR = ";";
31
32 public static final String WINFO_WSP_STATE_ID = "state.winfo.waterlevel";
33
34 public static final String I18N_STATIC_KEY = "wsp.selected.string";
35
36
37 @Override
38 protected String getUIProvider() {
39 return "wsp_datacage_panel";
40 }
41
42
43 @Override
44 public StateData transform(
45 FLYSArtifact flys,
46 CallContext cc,
47 String name,
48 String val
49 ) {
50 if (!isValueValid(val)) {
51 logger.error("The given input string is not valid: '" + val + "'");
52 return null;
53 }
54
55 return new DefaultStateData(name, null, null, strip(val));
56 }
57
58
59 @Override
60 public boolean validate(Artifact artifact)
61 throws IllegalArgumentException
62 {
63 FLYSArtifact flys = (FLYSArtifact) artifact;
64
65 StateData data = flys.getData("wsp");
66
67 if (data == null) {
68 throw new IllegalArgumentException("WSP is empty");
69 }
70
71 return true;
72 }
73
74
75 @Override
76 protected Element createStaticData(
77 ElementCreator creator,
78 CallContext cc,
79 String name,
80 String value,
81 String type
82 ) {
83 Element dataElement = creator.create("data");
84 creator.addAttr(dataElement, "name", name, true);
85 creator.addAttr(dataElement, "type", type, true);
86
87 Element itemElement = creator.create("item");
88 creator.addAttr(itemElement, "value", value, true);
89
90 String[] labels = getLabels(cc, value);
91 Object[] obj = new Object[] { labels[0] };
92
93 String attrValue = Resources.getMsg(
94 cc.getMeta(), I18N_STATIC_KEY, I18N_STATIC_KEY, obj);
95
96 creator.addAttr(itemElement, "label", attrValue, true);
97 dataElement.appendChild(itemElement);
98
99 return dataElement;
100 }
101
102
103 public static String[] getLabels(CallContext cc, String value) {
104 String[] parts = value.split(SPLIT_CHAR);
105
106 FLYSArtifact artifact = FLYSUtils.getArtifact(parts[0], cc);
107
108 CalculationResult rawData = (CalculationResult) artifact.compute(
109 cc,
110 null,
111 WINFO_WSP_STATE_ID,
112 ComputeType.ADVANCE,
113 false);
114
115 WQKms[] wqkms = (WQKms[]) rawData.getData();
116
117 int idx = -1;
118 try {
119 idx = Integer.parseInt(parts[2]);
120 }
121 catch (NumberFormatException nfe) { /* do nothing */ }
122
123 return new String[] { wqkms[idx].getName() };
124 }
125
126
127 public static String strip(String value) {
128 int start = value.indexOf("[");
129 int end = value.indexOf("]");
130
131 if (start < 0 || end < 0) {
132 return value;
133 }
134
135 value = value.substring(start+1, end);
136
137 return value;
138 }
139
140
141 /**
142 * Validates the given String. A valid string for this state requires the
143 * format: "UUID;FACETNAME;FACETINDEX".
144 *
145 * @param value The string value requires validation.
146 *
147 * @return true, if the string applies the specified format, otherwise
148 * false.
149 */
150 public static boolean isValueValid(String value) {
151 logger.debug("Validate string: '" + value + "'");
152
153 value = strip(value);
154
155 logger.debug("Validate substring: '" + value + "'");
156
157 if (value == null || value.length() == 0) {
158 return false;
159 }
160
161 String[] parts = value.split(SPLIT_CHAR);
162
163 if (parts == null || parts.length < 3) {
164 return false;
165 }
166
167 if (parts[0] == null || parts[0].length() == 0) {
168 return false;
169 }
170
171 if (parts[1] == null || parts[1].length() == 0) {
172 return false;
173 }
174
175 try {
176 Integer.parseInt(parts[2]);
177 }
178 catch (NumberFormatException nfe) {
179 logger.error("Index is not a valid integer!", nfe);
180 }
181
182 return true;
183 }
184 }
185 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
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